:root {
  color-scheme: dark;
  --bg: #070b09;
  --bg-soft: #0d1511;
  --surface: #111a15;
  --surface-2: #17231d;
  --surface-3: #f7f3ea;
  --ink: #f8faf7;
  --ink-strong: #ffffff;
  --muted: #aebbb3;
  --muted-2: #6f7f75;
  --line: rgba(232, 226, 214, 0.16);
  --line-strong: rgba(232, 226, 214, 0.28);
  --accent: #c7a45b;
  --accent-2: #1f6f4a;
  --accent-3: #e8dfcd;
  --danger: #c96d55;
  --chart-line: #c7a45b;
  --chart-fill: rgba(199, 164, 91, 0.16);
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.34);
  --radius: 8px;
  --container: 1180px;
  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #f8f8f4;
  --bg-soft: #eef2ec;
  --surface: #ffffff;
  --surface-2: #edf3ee;
  --surface-3: #101813;
  --ink: #132019;
  --ink-strong: #07100b;
  --muted: #5f6c63;
  --muted-2: #7a877f;
  --line: rgba(19, 32, 25, 0.14);
  --line-strong: rgba(19, 32, 25, 0.24);
  --chart-fill: rgba(31, 111, 74, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(199, 164, 91, 0.055) 1px, transparent 1px),
    linear-gradient(180deg, rgba(199, 164, 91, 0.045) 1px, transparent 1px),
    radial-gradient(circle at 75% 0%, rgba(31, 111, 74, 0.24), transparent 34rem),
    var(--bg);
  background-size: 54px 54px, 54px 54px, auto, auto;
  font-family: var(--font);
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}

img,
svg,
canvas,
iframe {
  display: block;
  max-width: 100%;
}

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

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

h1,
h2,
h3,
p,
li,
dd {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--ink-strong);
  line-height: 1.02;
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(3.2rem, 11vw, 8.5rem);
}

h2 {
  font-size: clamp(2rem, 5vw, 4.4rem);
}

h3 {
  font-size: clamp(1.1rem, 2vw, 1.42rem);
}

p {
  margin: 0;
}

.container {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

.narrow {
  width: min(100% - 2rem, 860px);
}

.section {
  padding: clamp(4.5rem, 8vw, 7rem) 0;
}

.section-tight {
  padding: clamp(3rem, 6vw, 4.75rem) 0;
}

.section-band {
  border-block: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 68%, transparent);
}

/* --- SKIP LINK --- */
.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 30;
  padding: 0.7rem 0.9rem;
  color: var(--bg);
  background: var(--accent);
  transform: translateY(-180%);
}

.skip-link:focus {
  transform: translateY(0);
}

.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;
}

/* --- HEADER & NAV --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(18px);
}

.nav {
  display: flex;
  min-height: 74px;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-width: max-content;
  font-weight: 900;
}

.brand-mark {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  color: #08110c;
  background: var(--accent);
  border-radius: var(--radius);
}

.brand-text {
  display: grid;
  line-height: 1.05;
}

.brand-text span:first-child {
  color: var(--ink-strong);
}

.brand-text span:last-child {
  color: var(--muted);
  font-size: 0.72rem;
  text-transform: uppercase;
}

.nav-links {
  position: fixed;
  inset: 74px 1rem auto 1rem;
  display: grid;
  gap: 0.2rem;
  padding: 0.75rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-0.5rem);
  transition: opacity 180ms ease, transform 180ms ease;
}

.nav-links.is-open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.nav-links a,
.theme-toggle {
  min-height: 40px;
  padding: 0.58rem 0.74rem;
  color: var(--muted);
  background: transparent;
  border: 0;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 800;
}

.nav-links a:hover,
.theme-toggle:hover {
  color: var(--ink-strong);
  background: var(--surface-2);
}

.nav-toggle {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  content: "";
  transition: transform 180ms ease;
}

.nav-toggle span::before {
  transform: translateY(-6px);
}

.nav-toggle span::after {
  transform: translateY(4px);
}

.nav-toggle[aria-expanded="true"] span {
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span::before {
  transform: rotate(90deg);
}

.nav-toggle[aria-expanded="true"] span::after {
  transform: scaleX(0);
}

/* --- HERO --- */
.hero,
.page-hero,
.project-hero {
  position: relative;
  overflow: hidden;
}

.hero {
  padding: clamp(4rem, 8vw, 7rem) 0 clamp(4rem, 7vw, 6rem);
}

.hero-grid {
  display: grid;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}

.hero-copy {
  max-width: 850px;
}

.eyebrow {
  margin: 0 0 0.85rem;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 950;
  letter-spacing: 0;
  text-transform: uppercase;
}

.lead {
  max-width: 72ch;
  margin-top: 1.2rem;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.32rem);
}

.hero-role {
  margin-top: 1rem;
  color: var(--ink-strong);
  font-size: clamp(1.35rem, 3vw, 2.45rem);
  font-weight: 850;
  line-height: 1.12;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.72rem 0.95rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 900;
  line-height: 1.1;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: #08110c;
  background: var(--accent);
}

.button-secondary {
  color: var(--ink-strong);
  background: var(--surface);
  border-color: var(--line-strong);
}

.button-ghost {
  color: var(--ink-strong);
  background: transparent;
  border-color: var(--line);
}

.hero-visual {
  position: relative;
  min-height: 520px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0) 52%, rgba(0, 0, 0, 0.66)),
    var(--surface);
  box-shadow: var(--shadow);
}

:root[data-theme="light"] .hero-visual {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0) 48%, rgba(10, 18, 13, 0.46)),
    var(--surface);
}

.hero-visual img {
  width: 100%;
  height: 100%;
  min-height: 520px;
  object-fit: cover;
  object-position: center top;
  filter: saturate(0.9) contrast(1.02);
}

.visual-caption {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  left: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.visual-caption span,
.pill {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  padding: 0.4rem 0.58rem;
  color: var(--ink-strong);
  background: color-mix(in srgb, var(--surface) 82%, transparent);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 900;
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 2.5rem;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
}

.hero-meta div {
  padding: 1rem;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
}

.hero-meta dt,
.project-facts dt {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 900;
  text-transform: uppercase;
}

.hero-meta dd,
.project-facts dd {
  margin: 0.25rem 0 0;
  color: var(--ink-strong);
  font-weight: 900;
}

/* --- GRID COMPONENTS --- */
.metric-grid,
.category-grid,
.project-grid,
.skill-grid,
.education-grid,
.dashboard-grid,
.project-analysis,
.cv-layout,
.project-hero-grid {
  display: grid;
  gap: 1rem;
}

.metric-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.metric {
  min-height: 126px;
  padding: 1.05rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.metric strong {
  display: block;
  color: var(--ink-strong);
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1;
}

.metric span {
  display: block;
  margin-top: 0.55rem;
  color: var(--muted);
  font-weight: 800;
}

.section-heading {
  display: grid;
  gap: 0.7rem;
  margin-bottom: 2rem;
}

.section-heading p:last-child {
  max-width: 72ch;
  color: var(--muted);
}

.dashboard-grid {
  align-items: stretch;
}

.dashboard-panel {
  min-height: 280px;
  padding: 1rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.dashboard-panel canvas {
  width: 100%;
  height: 240px;
}

.process-list,
.check-list,
.tag-list,
.clean-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.process-list {
  display: grid;
  gap: 0.8rem;
}

.process-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.85rem;
  align-items: start;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.process-list strong {
  color: var(--accent);
  font-size: 0.78rem;
}

.process-list span {
  color: var(--muted);
  font-weight: 700;
}

/* --- CARDS (sofisticate) --- */
.category-card,
.project-card,
.timeline-card,
.skill-card,
.education-card,
.analysis-panel,
.source-panel,
.contact-panel,
.project-facts {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 16px 46px rgba(0, 0, 0, 0.16);
}

.category-card {
  display: grid;
  min-height: 360px;
  padding: 1.2rem;
  align-content: space-between;
}

.category-card h3 {
  margin-top: 0.75rem;
}

.category-card p {
  margin-top: 0.75rem;
  color: var(--muted);
}

.category-count {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  color: var(--muted);
}

.category-count strong {
  color: var(--accent);
  font-size: 2.5rem;
  line-height: 1;
}

/* --- TOOLBAR & FILTERS --- */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-button,
.search-input {
  min-height: 42px;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.filter-button {
  padding: 0.58rem 0.78rem;
  font-weight: 900;
}

.filter-button:hover,
.filter-button.is-active {
  color: #08110c;
  background: var(--accent);
  border-color: var(--accent);
}

.search-input {
  width: min(100%, 360px);
  padding: 0.58rem 0.8rem;
}

/* --- PROJECT CARDS (stile raffinato) --- */
.project-grid {
  grid-template-columns: 1fr;
}

.project-card {
  display: grid;
  min-height: 100%;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease, opacity 0.2s;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.05);
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.12);
  border-color: var(--accent-3);
}

.project-card.is-hidden {
  display: none;
}

.project-preview {
  position: relative;
  min-height: 148px;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(31, 111, 74, 0.28), transparent 55%),
    linear-gradient(315deg, rgba(199, 164, 91, 0.22), transparent 48%),
    var(--bg-soft);
  border-bottom: 1px solid var(--line);
}

.preview-topline {
  position: absolute;
  top: 1rem;
  right: 1rem;
  left: 1rem;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
}

.preview-grid {
  position: absolute;
  inset: 2.2rem 1rem 1rem;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 0.55rem;
}

.preview-grid span {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: color-mix(in srgb, var(--surface) 62%, transparent);
}

.preview-grid span:first-child {
  grid-row: span 2;
}

.preview-label {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  padding: 0.36rem 0.5rem;
  color: #08110c;
  background: var(--accent);
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 950;
}

.project-card-body {
  display: grid;
  gap: 0.85rem;
  padding: 1rem;
}

.project-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.project-card-meta span {
  padding: 0.32rem 0.48rem;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 900;
}

.project-card p {
  color: var(--muted);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.tag-list li {
  padding: 0.36rem 0.5rem;
  color: var(--ink);
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 850;
}

.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-self: end;
  padding: 0 1rem 1rem;
}

/* --- TIMELINE & VARIOUS --- */
.timeline {
  position: relative;
  display: grid;
  gap: 1rem;
}

.timeline::before {
  position: absolute;
  top: 0.6rem;
  bottom: 0.6rem;
  left: 0.58rem;
  width: 2px;
  background: var(--line);
  content: "";
}

.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 1.3rem 1fr;
  gap: 1rem;
}

.timeline-marker {
  position: relative;
  z-index: 1;
  width: 1.15rem;
  height: 1.15rem;
  margin-top: 1.35rem;
  background: var(--accent);
  border: 4px solid var(--bg);
  border-radius: 999px;
}

.timeline-card,
.skill-card,
.education-card,
.analysis-panel,
.source-panel,
.contact-panel,
.project-facts {
  padding: 1.15rem;
}

.timeline-header {
  display: grid;
  gap: 0.6rem;
  margin-bottom: 1rem;
}

.date-pill {
  display: inline-flex;
  width: max-content;
  align-items: center;
  padding: 0.36rem 0.52rem;
  color: #08110c;
  background: var(--accent);
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 950;
}

.clean-list {
  display: grid;
  gap: 0.62rem;
}

.clean-list li,
.check-list li {
  position: relative;
  padding-left: 1rem;
  color: var(--muted);
}

.clean-list li::before,
.check-list li::before {
  position: absolute;
  top: 0.68em;
  left: 0;
  width: 0.38rem;
  height: 0.38rem;
  background: var(--accent);
  border-radius: 999px;
  content: "";
}

.skill-card {
  display: grid;
  gap: 0.75rem;
}

.skill-index {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 950;
}

.education-card {
  display: grid;
  gap: 0.9rem;
}

.education-card p,
.timeline-card p {
  color: var(--muted);
  font-weight: 750;
}

.contact-section {
  background: #08110c;
  border-top: 1px solid var(--line);
}

.contact-grid {
  display: grid;
  gap: 1rem;
}

.contact-panel {
  display: grid;
  gap: 0.75rem;
  font-style: normal;
}

.contact-panel a,
.contact-panel span {
  padding-bottom: 0.75rem;
  color: var(--ink-strong);
  border-bottom: 1px solid var(--line);
  font-weight: 900;
}

.contact-panel a:hover {
  color: var(--accent);
}

.site-footer {
  border-top: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 88%, #000);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
  padding: 1.35rem 0;
  color: var(--muted);
  font-weight: 750;
}

.footer-inner a {
  color: var(--ink-strong);
}

.cv-layout {
  align-items: start;
}

.cv-aside {
  position: sticky;
  top: 96px;
  display: grid;
  gap: 1rem;
}

.cv-block {
  padding: 1rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.cv-block h3 {
  margin-bottom: 0.8rem;
}

.project-facts dl {
  display: grid;
  gap: 1px;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
}

.project-facts div {
  padding: 1rem;
  background: var(--surface);
}

.analysis-panel p {
  margin-top: 1rem;
  color: var(--muted);
}

.analysis-panel .tag-list {
  margin-top: 1rem;
}

.check-list {
  display: grid;
  gap: 0.65rem;
  margin-top: 1rem;
}

.project-frame-shell {
  overflow: hidden;
  height: min(82vh, 760px);
  min-height: 520px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.project-frame-shell iframe {
  width: 100%;
  height: 100%;
  border: 0;
  background: white;
}

.source-panel {
  display: grid;
  gap: 1rem;
}

.source-panel p {
  color: var(--muted);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.2rem;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 800;
}

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

/* --- REVEAL ANIMATION --- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 520ms ease, transform 520ms ease;
}

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

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
  }

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

/* --- RESPONSIVE (mobile first, poi tablet e desktop) --- */
@media (max-width: 520px) {
  .container,
  .narrow {
    width: min(100% - 1.2rem, var(--container));
  }

  .hero-actions,
  .card-actions,
  .button,
  .search-input {
    width: 100%;
  }

  .metric-grid,
  .hero-meta {
    grid-template-columns: 1fr;
  }

  .hero-visual,
  .hero-visual img {
    min-height: 440px;
  }
}

@media (min-width: 720px) {
  .metric-grid,
  .skill-grid,
  .education-grid,
  .project-analysis {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .category-grid,
  .project-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-meta {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .timeline-header {
    grid-template-columns: 1fr auto;
    align-items: start;
  }
}

@media (min-width: 980px) {
  .nav-toggle {
    display: none;
  }

  .nav-links {
    position: static;
    display: flex;
    align-items: center;
    gap: 0.1rem;
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(330px, 0.56fr);
  }

  .section-heading {
    grid-template-columns: minmax(220px, 0.36fr) minmax(0, 1fr);
    align-items: end;
  }

  .dashboard-grid,
  .contact-grid,
  .project-hero-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.72fr);
  }

  .cv-layout {
    grid-template-columns: minmax(260px, 0.36fr) minmax(0, 1fr);
  }

  .category-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
.project-card {
  background: rgba(17, 26, 21, 0.7);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(199, 164, 91, 0.15);
}
  .project-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1220px) {
  .project-grid[data-density="compact"] {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}