:root, [data-theme="light"] {
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-hero: clamp(3rem, 0.5rem + 7vw, 6.5rem);
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --color-bg: #f7f6f2;
  --color-surface: #f9f8f5;
  --color-border: rgba(40, 37, 29, 0.12);
  --color-text: #28251d;
  --color-text-muted: #6b675f;
  --color-text-inverse: #f9f8f4;
  --color-primary: #0f5c62;
  --overlay-dark: linear-gradient(to top, rgba(15, 12, 10, 0.72), rgba(15, 12, 10, 0.2));
  --shadow-lg: 0 18px 48px rgba(18, 16, 13, 0.16);
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --font-body: 'Space Grotesk', sans-serif;
  --font-display: 'Michroma', Georgia, serif;
}

[data-theme="dark"] {
  --color-bg: #171614;
  --color-surface: #1c1b19;
  --color-border: rgba(255, 255, 255, 0.12);
  --color-text: #cdccca;
  --color-text-muted: #9d9a94;
  --color-text-inverse: #f9f8f4;
  --color-primary: #66aab0;
  --overlay-dark: linear-gradient(to top, rgba(4, 4, 4, 0.78), rgba(4, 4, 4, 0.28));
  --shadow-lg: 0 18px 48px rgba(0, 0, 0, 0.28);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  background: var(--color-bg);
  color: var(--color-text);
}

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

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

button {
  font: inherit;
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  background: var(--color-surface);
  color: var(--color-text);
  padding: 0.75rem 1rem;
  z-index: 100;
  border-radius: 0.5rem;
}

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

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4) var(--space-6);
  backdrop-filter: blur(14px);
  background: color-mix(in srgb, var(--color-bg) 68%, transparent);
  border-bottom: 1px solid var(--color-border);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 600;
}

.brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  border: 1px solid currentColor;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 1rem;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.nav-links {
  display: none;
  gap: var(--space-4);
  font-size: var(--text-sm);
}

.theme-toggle,
.cta-link {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: color-mix(in srgb, var(--color-surface) 82%, transparent);
  color: var(--color-text);
  padding: 0.75rem 1rem;
}

.cta-link {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: transparent;
}

main {
  padding-top: 5.5rem;
}

.intro {
  padding: var(--space-16) var(--space-6) var(--space-8);
  max-width: 70rem;
  margin: 0 auto;
}

.eyebrow {
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.intro h1 {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  line-height: 0.95;
  margin: 0 0 var(--space-4);
  max-width: 10ch;
}

.intro p {
  max-width: 58ch;
  color: var(--color-text-muted);
  margin: 0;
}

.panels {
  padding: 0 var(--space-4) var(--space-20);
  display: grid;
  gap: var(--space-6);
}

.panel {
  position: relative;
  min-height: 88vh;
  overflow: clip;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  background: var(--color-surface);
  isolation: isolate;
  content-visibility: auto;
}

.panel-media,
.panel-overlay {
  position: absolute;
  inset: 0;
}

.panel-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.03);
  transform: scale(1.03);
}

.panel-overlay {
  background: var(--overlay-dark);
  z-index: 1;
}

.panel-content {
  position: relative;
  z-index: 2;
  min-height: 88vh;
  display: grid;
  align-content: end;
  gap: var(--space-4);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  color: var(--color-text-inverse);
  max-width: 40rem;
}

.panel-kicker {
  display: inline-flex;
  width: fit-content;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 999px;
  padding: 0.45rem 0.8rem;
  font-size: var(--text-sm);
  backdrop-filter: blur(8px);
  background: rgba(255,255,255,0.06);
}

.panel h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  line-height: 0.95;
  max-width: 10ch;
}

.panel p {
  margin: 0;
  max-width: 34ch;
  color: rgba(249, 248, 244, 0.88);
}

.panel-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  padding-top: var(--space-2);
}

.button,
.button-secondary {
  min-height: 44px;
  padding: 0.85rem 1.1rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: 600;
}

.button {
  background: rgba(255,255,255,0.94);
  color: #111;
}

.button-secondary {
  border: 1px solid rgba(255,255,255,0.24);
  color: white;
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(10px);
}

.panel-cv .panel-content {
  margin-left: auto;
  text-align: left;
}

.panel-about .panel-content {
  align-content: center;
}

.notes {
  max-width: 70rem;
  margin: 0 auto;
  padding: 0 var(--space-6) var(--space-16);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-4);
}

.note-card {
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}

.note-card h3 {
  margin: 0 0 var(--space-2);
  font-size: var(--text-lg);
}

.note-card p {
  margin: 0;
  color: var(--color-text-muted);
}

@media (min-width: 900px) {
  .site-header {
    padding-inline: var(--space-8);
  }

  .nav-links {
    display: flex;
  }

  .panels {
    gap: var(--space-8);
    padding-inline: var(--space-6);
  }

.panel:nth-child(2) .panel-content {
  padding-left: clamp(1.5rem, 6vw, 6rem);
}

  .panel-about .panel-content {
    align-content: end;
    padding-left: 12%;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .theme-toggle,
  .cta-link,
  .button,
  .button-secondary,
  .nav-links a {
    transition: transform 180ms ease, opacity 180ms ease, background-color 180ms ease, border-color 180ms ease;
  }

  .theme-toggle:hover,
  .cta-link:hover,
  .button:hover,
  .button-secondary:hover {
    transform: translateY(-1px);
  }
}

@media (max-width: 640px) {
  .site-header {
    padding-inline: var(--space-4);
  }

  .cta-link {
    display: none;
  }

  .panel {
    min-height: 76vh;
  }

  .panel-content {
    min-height: 76vh;
  }
}