*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --accent: #f64266;
  --accent-light: rgba(246, 66, 102, 0.08);
  --accent-mid: rgba(246, 66, 102, 0.18);
  --bg: #ffffff;
  --bg-secondary: #f7f7f5;
  --bg-tertiary: #f0f0ec;
  --text-primary: #111110;
  --text-secondary: #555550;
  --text-tertiary: #999992;
  --border: rgba(0, 0, 0, 0.1);
  --border-mid: rgba(0, 0, 0, 0.18);
  --bg-nav: rgba(255, 255, 255, 0.88);
  --color-success: #22c55e;
  --color-success-shadow: rgba(34, 197, 94, 0.25);
  --color-success-glow: rgba(34, 197, 94, 0.08);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-pill: 100px;
  --font-sans: "DM Sans", system-ui, sans-serif;
  --font-serif: "DM Serif Display", Georgia, serif;
  --nav-height: 64px;
  --max-w: 920px;
  --transition: 0.2s ease;
  color-scheme: light dark;
}

[data-theme="dark"] {
  --bg: #111110;
  --bg-secondary: #1a1a18;
  --bg-tertiary: #222220;
  --bg-nav: rgba(17, 17, 16, 0.88);
  --text-primary: #f0f0ec;
  --text-secondary: #a0a09a;
  --text-tertiary: #666660;
  --border: rgba(255, 255, 255, 0.1);
  --border-mid: rgba(255, 255, 255, 0.18);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #111110;
    --bg-secondary: #1a1a18;
    --bg-tertiary: #222220;
    --bg-nav: rgba(17, 17, 16, 0.88);
    --text-primary: #f0f0ec;
    --text-secondary: #a0a09a;
    --text-tertiary: #666660;
    --border: rgba(255, 255, 255, 0.1);
    --border-mid: rgba(255, 255, 255, 0.18);
  }
}

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

body {
  background-color: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── Skip link ── */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 9999;
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  padding: 0.6rem 1.2rem;
  text-decoration: none;
  transition: top var(--transition);
}

.skip-link:focus {
  top: 1rem;
}

/* Focus styles */
:focus-visible {
  border-radius: 3px;
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* Nav */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  background: var(--bg-nav);
  border-bottom: 0.5px solid var(--border);
  z-index: 100;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.nav > a {
  order: 1;
}

.nav-logo {
  height: 36px;
  width: 36px;
  object-fit: contain;
  display: block;
}

.nav-logo-fallback {
  font-family: var(--font-serif);
  font-size: 18px;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  order: 3;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  order: 2;
}

.nav-links a {
  font-size: 14px;
  color: var(--text-secondary);
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: color var(--transition);
  padding: 0.25rem 0;
  position: relative;
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 1.5px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform var(--transition);
  transform-origin: left;
}

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

.nav-links a:hover::after {
  transform: scaleX(1);
}

/* Hamburger */
.nav-toggle {
  display: none;
  background: none;
  border: 0.5px solid var(--border-mid);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  cursor: pointer;
  color: var(--text-primary);
  font-size: 18px;
  line-height: 1;
  transition: background var(--transition);
}

.nav-toggle:hover {
  background: var(--bg-secondary);
}

.nav-toggle[aria-expanded="true"] .hamburger-open {
  display: none;
}

.nav-toggle[aria-expanded="false"] .hamburger-close {
  display: none;
}

@media (max-width: 640px) {
  .nav-toggle {
    display: flex;
    align-items: center;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 0.5px solid var(--border);
    flex-direction: column;
    gap: 0;
    padding: 0.5rem 0;
  }

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

  .nav-links li {
    width: 100%;
  }

  .nav-links a {
    display: block;
    padding: 0.85rem 2rem;
    font-size: 16px;
  }

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

/* ── Layout ── */
main {
  padding-top: var(--nav-height);
}

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 5rem 2rem;
}

.divider {
  border: none;
  border-top: 0.5px solid var(--border);
  max-width: var(--max-w);
  margin: 0 auto;
}

/* ── Section labels ── */
.section-label {
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
  display: block;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3vw, 2rem);
  font-weight: 400;
  margin-bottom: 3rem;
  line-height: 1.2;
}

#about .section-title {
  margin-bottom: 2.5rem;
}

/* ── Open to work badge ── */
.open-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: var(--text-secondary);
  border: 0.5px solid var(--border-mid);
  border-radius: var(--radius-pill);
  padding: 5px 14px;
  margin-bottom: 1.5rem;
  text-decoration: none;
  transition:
    border-color var(--transition),
    color var(--transition),
    background var(--transition);
}

.open-badge:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-light);
}

.open-badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-success);
  flex-shrink: 0;
  box-shadow: 0 0 0 2px var(--color-success-shadow);
  animation: pulse 2s ease infinite;
  will-change: box-shadow;
}

@keyframes pulse {
  0%,
  100% {
    box-shadow: 0 0 0 2px var(--color-success-shadow);
  }

  50% {
    box-shadow: 0 0 0 5px var(--color-success-glow);
  }
}

@media (prefers-reduced-motion: reduce) {
  .open-badge-dot {
    animation: none;
  }
}

.hero-open {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 520px;
  margin-bottom: 2.5rem;
  font-style: italic;
}

/* ── Hero ── */
.hero {
  padding-top: 7rem;
  padding-bottom: 7rem;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4rem;
  align-items: center;
}

.hero-photo-wrap {
  width: 260px;
  aspect-ratio: 260 / 300;
  flex-shrink: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.hero-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}

@media (max-width: 720px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .hero-photo-wrap {
    width: 120px;
    height: 140px;
    order: -1;
    border-radius: var(--radius-md);
  }
}

.hero-eyebrow {
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.2rem;
  display: block;
}

.hero-name {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 400;
  line-height: 1;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero-title {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--text-secondary);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 1rem;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}

/* ── Buttons ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 0.8rem 1.8rem;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-family: var(--font-sans);
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition:
    filter var(--transition),
    transform var(--transition);
}

.btn-primary:hover {
  filter: brightness(0.9);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  background: transparent;
  color: var(--text-primary);
  border: 0.5px solid var(--border-mid);
  padding: 0.8rem 1.8rem;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-family: var(--font-sans);
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition:
    background var(--transition),
    border-color var(--transition),
    transform var(--transition);
}

.btn-ghost:hover {
  background: var(--bg-secondary);
  border-color: var(--border-mid);
  transform: translateY(-1px);
}

.btn-ghost[download] svg {
  margin-right: 6px;
}

/* ── About ── */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: start;
}

.about-highlight {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  font-style: italic;
  color: var(--text-primary);
  line-height: 1.55;
  border-left: 2px solid var(--accent);
  padding-left: 1.25rem;
  margin-bottom: 2rem;
}

.about-story {
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-secondary);
}

.about-story p {
  margin-bottom: 1.1rem;
}

.about-story p:last-child {
  margin-bottom: 0;
}

.about-stats {
  border: 0.5px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.stat-row {
  padding: 1rem 1.25rem;
  background: var(--bg);
  border-bottom: 0.5px solid var(--border);
}

.stat-row:last-child {
  border-bottom: none;
}

.stat-num {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--accent);
  line-height: 1.1;
}

.stat-desc {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 3px;
}

/* ── Cert badge ── */
.cert-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 1.5rem;
  padding: 0.85rem 1rem;
  border: 0.5px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  text-decoration: none;
  transition:
    border-color var(--transition),
    background var(--transition);
}

.cert-badge:hover {
  border-color: var(--accent);
  background: var(--accent-light);
}

.cert-badge-icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  border-radius: 6px;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.cert-badge-text {
  display: flex;
  flex-direction: column;
}

.cert-badge-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.3;
}

.cert-badge-sub {
  font-size: 12px;
  color: var(--text-tertiary);
}

@media (max-width: 720px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .about-stats-col {
    order: -1;
  }
}

/* ── Experience timeline ── */
.timeline {
  position: relative;
  padding-left: 1.5rem;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 0.5px;
  background: var(--border);
}

.timeline-item {
  position: relative;
  padding-bottom: 2.5rem;
}

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

.timeline-dot {
  position: absolute;
  left: -1.5rem;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--bg);
  border: 1.5px solid var(--border-mid);
  transform: translateX(-3.5px);
  transition:
    border-color var(--transition),
    background var(--transition);
}

.timeline-item:hover .timeline-dot {
  border-color: var(--accent);
  background: var(--accent);
}

.timeline-header {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin-bottom: 0.35rem;
}

.timeline-role {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
}

.timeline-company {
  font-size: 14px;
  color: var(--accent);
}

.timeline-date {
  font-size: 13px;
  color: var(--text-tertiary);
  margin-left: auto;
}

.timeline-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 0.85rem;
}

/* ── Projects ── */
.projects-section {
  max-width: 100%;
  padding-left: 2rem;
  padding-right: 2rem;
}

.projects-section .section-label,
.projects-section .section-title {
  max-width: var(--max-w);
  margin-left: auto;
  margin-right: auto;
}

.projects-list {
  max-width: var(--max-w);
  margin-left: auto;
  margin-right: auto;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.project-card {
  display: flex;
  flex-direction: column;
  border: 0.5px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg);
  transition:
    border-color var(--transition),
    transform var(--transition);
}

.project-card:hover {
  border-color: var(--border-mid);
  transform: translateY(-2px);
}

.project-img-wrap {
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  /* min-height: 340px; */
}

.project-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.project-img-placeholder {
  width: 100%;
  min-height: 300px;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-img-placeholder span {
  font-size: 13px;
  color: var(--text-tertiary);
}

.project-body {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.project-meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}

.project-company {
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.project-sep {
  color: var(--border-mid);
  font-size: 13px;
}

.project-type {
  font-size: 13px;
  color: var(--accent);
}

.project-title {
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
  line-height: 1.35;
}

.project-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 1.25rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.tag {
  font-size: 13px;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  border: 0.5px solid var(--border);
  color: var(--text-secondary);
  background: var(--bg-secondary);
  white-space: nowrap;
  list-style: none;
  display: inline-block;
}

.project-link {
  font-size: 13px;
  color: var(--accent);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition);
}

.project-link:hover {
  gap: 8px;
}

.project-qr-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1rem;
  border: 0.5px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
}

.project-qr-wrap {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.project-qr {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
}

.project-qr-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.project-qr-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
}

.project-qr-sub {
  font-size: 12px;
  color: var(--text-tertiary);
  line-height: 1.5;
}

.project-links-row {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

@media (max-width: 640px) {
  .project-img {
    max-height: none;
    width: 100%;
    height: auto;
  }

  .project-img-placeholder {
    min-height: 200px;
  }

  .project-body {
    padding: 1.5rem;
  }
}

/* ── Skills ── */
.skills-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.skills-tag {
  font-size: 13px;
  padding: 4px 11px;
  border-radius: var(--radius-pill);
  border: 0.5px solid var(--border);
  color: var(--text-secondary);
  background: var(--bg-secondary);
  white-space: nowrap;
}

.skills-tag-highlight {
  border-color: var(--accent-mid);
  color: var(--accent);
  background: var(--accent-light);
}

/* ── Contact ── */
.contact-inner {
  max-width: 540px;
}

.contact-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 2rem;
}

.email-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 2rem;
}

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

.email-link {
  font-size: 1rem;
  color: var(--text-primary);
  text-decoration: none;
  transition: color var(--transition);
}

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

.social-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.65rem 1.25rem;
  border: 0.5px solid var(--border-mid);
  border-radius: var(--radius-pill);
  text-decoration: none;
  color: var(--text-primary);
  font-size: 14px;
  transition:
    background var(--transition),
    border-color var(--transition),
    color var(--transition),
    transform var(--transition);
}

.social-link:hover {
  background: var(--accent-light);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

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

/* ── Footer ── */
footer {
  border-top: 0.5px solid var(--border);
  padding: 2rem;
  text-align: center;
}

.footer-main {
  font-size: 13px;
  color: var(--text-tertiary);
  margin-bottom: 0.35rem;
}

.footer-ai {
  font-size: 13px;
  color: var(--text-tertiary);
}

.footer-ai a {
  color: var(--accent);
  text-decoration: none;
}

.footer-ai a:hover {
  text-decoration: underline;
}

/* ── Theme toggle ── */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 0.5px solid var(--border-mid);
  border-radius: 50%;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition:
    border-color var(--transition),
    color var(--transition),
    background var(--transition);
  flex-shrink: 0;
}

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

.theme-toggle svg {
  width: 16px;
  height: 16px;
}

.icon-sun {
  display: none;
}

.icon-moon {
  display: block;
}

[data-theme="dark"] .icon-sun {
  display: block;
}

[data-theme="dark"] .icon-moon {
  display: none;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .icon-sun {
    display: block;
  }

  :root:not([data-theme="light"]) .icon-moon {
    display: none;
  }
}

/* ── Scroll down button ── */
.scroll-down {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 3rem;
  width: 40px;
  height: 40px;
  border: 0.5px solid var(--border-mid);
  border-radius: 50%;
  color: var(--text-tertiary);
  text-decoration: none;
  transition:
    border-color var(--transition),
    color var(--transition),
    transform var(--transition);
  animation: bounce 2.5s ease infinite;
  will-change: transform;
}

.scroll-down:hover {
  border-color: var(--accent);
  color: var(--accent);
  animation: none;
  transform: translateY(3px);
}

@keyframes bounce {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(6px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .scroll-down {
    animation: none;
  }
}

/* ── Print ── */
@media print {
  .nav,
  .hero-cta,
  .social-links {
    display: none;
  }

  body {
    font-size: 12pt;
  }

  .container {
    padding: 1rem 0;
  }
}

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