/* Design system — Lorenzo Monte */
:root {
  --color-bg: #0d0d0d;
  --color-surface: #111111;
  --color-surface-2: #161616;
  --color-surface-offset: #1c1c1c;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-divider: rgba(255, 255, 255, 0.05);

  --color-text: #e8e8e8;
  --color-text-muted: #f0f0f0;
  --color-text-faint: #888888;

  --color-primary: #9d4edd;
  --color-primary-hover: #c084fc;
  --color-primary-dim: rgba(168, 85, 247, 0.12);

  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --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);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-full: 9999px;

  --transition: 160ms cubic-bezier(0.16, 1, 0.3, 1);

  --font-mono: "JetBrains Mono", "Fira Code", monospace;
  --font-body: "Inter", system-ui, sans-serif;

  --content-max: 80rem;
  --main-col-max: 42rem;
  --shadow-warm: 0 4px 24px rgba(0, 0, 0, 0.4);

  --layout-break: 64rem;
  --sticky-section-z: 50;
}

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

html {
  scroll-behavior: smooth;
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-bg);
  color-scheme: dark;
  -webkit-font-smoothing: antialiased;
}

.skip-link {
  position: absolute;
  top: var(--space-2);
  left: var(--space-2);
  z-index: 200;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-bg);
  background: var(--color-primary);
  border-radius: var(--radius-md);
  transform: translateY(-120%);
  transition: transform var(--transition);
}

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

section[id] {
  scroll-margin-top: 0.5rem;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition), border-color var(--transition),
    background-color var(--transition), opacity var(--transition),
    transform var(--transition);
}

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

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

button:focus:not(:focus-visible) {
  outline: none;
}

.label {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  letter-spacing: 0.04em;
}

.prose a {
  font-weight: 500;
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--color-primary) 45%, transparent);
  text-underline-offset: 0.18em;
  transition: text-decoration-color var(--transition), color var(--transition);
}

.prose a:hover {
  color: var(--color-primary-hover);
  text-decoration-color: var(--color-primary);
}

/* Layout: sidebar + main (Brittany-style desktop) */
.page-layout {
  min-height: 100vh;
  display: block;
}

.main-column {
  min-width: 0;
}

@media (min-width: 64rem) {
  .page-layout {
    display: grid;
    grid-template-columns: minmax(240px, 40%) minmax(0, 1fr);
    gap: var(--space-12) var(--space-16);
    align-items: start;
    padding: var(--space-12) var(--space-8) var(--space-20);
    max-width: var(--content-max);
    margin-inline: auto;
  }

  .sidebar {
    position: sticky;
    top: var(--space-8);
    align-self: start;
    max-height: calc(100vh - var(--space-16));
    overflow-y: auto;
  }
}

@media (max-width: 63.99rem) {
  .page-layout {
    padding: 0;
  }

  .sidebar {
    padding: var(--space-10) var(--space-6) var(--space-8);
    border-bottom: 1px solid var(--color-border);
  }
}

.sidebar__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.sidebar__label {
  margin: 0;
}

.sidebar__title {
  margin: 0;
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.1;
}

.sidebar__title-given {
  color: var(--color-text);
}

.sidebar__title-family {
  text-decoration: underline;
  text-decoration-color: var(--color-primary);
  text-decoration-thickness: 2px;
  text-underline-offset: 0.12em;
}

.sidebar__role {
  margin: 0;
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-primary);
}

.sidebar__role-line {
  display: inline;
}

.sidebar__cursor {
  display: inline-block;
  margin-left: 2px;
  font-weight: 400;
  animation: blink 1s step-end infinite;
}

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

.sidebar__intro {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

.sidebar__location {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--color-primary);
}

.sidebar__location svg {
  width: 1em;
  height: 1em;
  flex-shrink: 0;
}

.sidebar__nav {
  margin-top: var(--space-4);
}

.sidebar__nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.sidebar__nav-link {
  display: block;
  padding: var(--space-2) 0;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  border-left: 2px solid transparent;
  padding-left: var(--space-3);
  margin-left: calc(-1 * var(--space-3));
}

.sidebar__nav-link:hover {
  color: var(--color-primary);
}

.sidebar__nav-link--active {
  color: var(--color-text);
  border-left-color: var(--color-primary);
}

@media (max-width: 63.99rem) {
  .sidebar__nav {
    display: none;
  }
}

.sidebar__social {
  display: flex;
  flex-direction: row;
  gap: var(--space-2);
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: 0;
}

@media (min-width: 64rem) {
  .sidebar__inner {
    min-height: calc(100vh - var(--space-16));
  }

  .sidebar__social {
    margin-top: auto;
    padding-top: var(--space-8);
  }
}

.sidebar__social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
}

.sidebar__social a:hover {
  color: var(--color-primary);
  background: var(--color-surface);
}

/* Main column sections */
.main-column .section {
  padding-block: var(--space-16);
  padding-inline: var(--space-6);
}

.main-column .section--tight {
  padding-block: var(--space-12);
}

.main-column .section--contact {
  padding-block: var(--space-20);
}

.main-column .section__inner {
  max-width: var(--main-col-max);
  margin-inline: 0;
}

.section-sticky-head {
  position: static;
}

.section-sticky-head .section__header {
  margin-bottom: var(--space-8);
}

@media (max-width: 63.99rem) {
  .section-sticky-head {
    position: sticky;
    top: 0;
    z-index: var(--sticky-section-z);
    margin-inline: calc(-1 * var(--space-6));
    padding-inline: var(--space-6);
    padding-block: var(--space-4);
    background-color: color-mix(in srgb, var(--color-bg) 94%, transparent);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
  }

  .section-sticky-head .section__header {
    margin-bottom: 0;
  }

  .section__body {
    padding-top: var(--space-8);
  }
}

@media (min-width: 64rem) {
  .section__body {
    padding-top: 0;
  }
}

.section__header > .label {
  margin: 0 0 var(--space-2);
}

.section__caption {
  margin: var(--space-3) 0 0;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-faint);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: var(--space-1) var(--space-3);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: 1px solid transparent;
  transition: background-color var(--transition), border-color var(--transition),
    color var(--transition), transform var(--transition);
}

button.btn {
  appearance: none;
  margin: 0;
  background: transparent;
}

.btn--primary {
  border-color: var(--color-primary);
  background: transparent;
  color: var(--color-primary);
}

.btn--primary:hover {
  background: var(--color-primary-dim);
  color: var(--color-primary);
}

a.btn {
  text-decoration: none;
}

/* About — single column: bio then stack */
.about-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
  min-width: 0;
}

.about__bio p {
  margin: 0 0 var(--space-6);
  color: var(--color-text-muted);
}

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

.stack-block {
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-warm);
  min-width: 0;
}

.stack-block__lead {
  margin-top: 0;
  margin-bottom: var(--space-6);
}

.stack-group {
  margin-bottom: var(--space-6);
}

.stack-group:last-child {
  margin-bottom: 0;
}

.stack-group__label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-bottom: var(--space-3);
}

.stack-group__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.tech-pill {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface-2);
}

.tech-pill:hover {
  border-color: var(--color-primary);
  color: var(--color-text);
}

.tech-pill--compact {
  padding: 0.1rem 0.4rem;
  font-size: 0.65rem;
}

/* Experience */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.timeline__item {
  margin: 0;
  padding: var(--space-10) 0;
  border-bottom: 1px solid var(--color-divider);
}

.timeline__item:first-child {
  padding-top: 0;
}

.timeline__item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.timeline__grid {
  display: grid;
  gap: var(--space-4) var(--space-8);
  align-items: start;
}

@media (min-width: 48rem) {
  .timeline__grid {
    grid-template-columns: minmax(6.5rem, 9rem) minmax(0, 1fr);
    gap: var(--space-6) var(--space-10);
  }

  .timeline__dates {
    position: sticky;
    top: var(--space-6);
    align-self: start;
  }

  @media (min-width: 64rem) {
    .timeline__dates {
      top: var(--space-8);
    }
  }

  .timeline__main {
    padding-left: var(--space-6);
    border-left: 1px solid var(--color-border);
  }
}

.timeline__period {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: 1.5;
  color: var(--color-text-faint);
}

.timeline__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2) var(--space-6);
  margin-bottom: var(--space-3);
}

.timeline__role {
  margin: 0;
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.timeline__company {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

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

.timeline__desc {
  margin: 0 0 var(--space-4);
  color: var(--color-text-muted);
  line-height: 1.65;
}

.timeline__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.timeline--placeholder .timeline__role,
.timeline--placeholder .timeline__company,
.timeline--placeholder .timeline__desc {
  opacity: 0.85;
}

.experience__more {
  margin: var(--space-10) 0 0;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.experience__more a {
  font-weight: 500;
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--color-primary) 45%, transparent);
  text-underline-offset: 0.18em;
}

.experience__more a:hover {
  color: var(--color-primary-hover);
  text-decoration-color: var(--color-primary);
}

/* Projects — lista compatta */
.project-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.project-row {
  padding: var(--space-6) 0;
  border-bottom: 1px solid var(--color-divider);
  transition: border-color var(--transition);
}

.project-row:first-child {
  padding-top: 0;
}

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

.project-row:hover {
  border-bottom-color: color-mix(in srgb, var(--color-primary) 20%, var(--color-divider));
}

.project-row__top {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-3) var(--space-4);
  margin-bottom: var(--space-2);
}

.project-row__badge {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--color-primary);
  flex-shrink: 0;
}

.project-row__title {
  margin: 0;
  font-size: var(--text-base);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.project-row__emoji {
  margin-right: 0.35em;
}

.project-row__title-note {
  font-weight: 500;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.project-row__segment {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--color-text-muted);
}

.project-row__desc {
  margin: 0 0 var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.62;
  max-width: 42rem;
}

.project-row__desc + .project-row__desc {
  margin-top: calc(-1 * var(--space-1));
}

.project-row__meta {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}

.project-row__soon {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

@media (max-width: 32rem) {
  .project-row__soon {
    margin-left: 0;
    width: 100%;
  }
}

/* Contact */
.contact {
  text-align: center;
}

.contact .section__inner {
  max-width: 36rem;
  margin-inline: auto;
}

.contact__lead {
  margin: 0 0 var(--space-10);
  color: var(--color-text-muted);
}

.contact__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
  margin-bottom: var(--space-10);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-6);
  margin-top: 0;
}

.site-footer__inner {
  display: grid;
  gap: var(--space-4);
  align-items: center;
  max-width: var(--content-max);
  margin-inline: auto;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

@media (min-width: 48rem) {
  .site-footer__inner {
    grid-template-columns: 1fr auto 1fr;
    gap: var(--space-6);
  }
}

.site-footer__copy {
  margin: 0;
}

.site-footer__flavor {
  margin: 0;
  font-family: var(--font-mono);
  color: var(--color-text-faint);
  text-align: center;
}

.site-footer__social {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  list-style: none;
  margin: 0;
  padding: 0;
}

@media (min-width: 48rem) {
  .site-footer__social {
    justify-content: flex-end;
  }
}

.site-footer__social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--color-text-muted);
}

.site-footer__social a:hover {
  color: var(--color-primary);
}

.site-footer__social svg {
  width: 18px;
  height: 18px;
}

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.45s var(--transition), transform 0.45s var(--transition);
}

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

@media (prefers-reduced-motion: reduce) {
  .sidebar__cursor {
    animation: none;
    opacity: 1;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}