/* Nicolò Marcucci — portfolio.
   One stylesheet, no framework, no webfonts. Light and dark are both first-class. */

:root {
  --paper:      #fbfaf7;
  --surface:    #ffffff;
  --ink:        #1a1917;
  --ink-soft:   #57524a;
  --rule:       #e4dfd5;
  --accent:     #97432b;
  --accent-ink: #ffffff;
  --accent-bg:  #f5e9e3;

  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --wrap: 64rem;
  --prose: 36rem;
  --step: clamp(1rem, 0.95rem + 0.25vw, 1.0625rem);

  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper:      #131211;
    --surface:    #1b1a18;
    --ink:        #ece8e1;
    --ink-soft:   #a29b8f;
    --rule:       #2f2c28;
    --accent:     #e08a66;
    --accent-ink: #1a1108;
    --accent-bg:  #2a211c;
  }
}

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

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: var(--step)/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; }

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

code {
  font: 0.875em/1.4 var(--mono);
  background: var(--accent-bg);
  padding: 0.1em 0.35em;
  border-radius: 3px;
}

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 2.5rem);
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 0.75rem 1rem;
  z-index: 10;
}
.skip:focus { left: 0; }

/* ---------------------------------------------------------------- header -- */

.site-header {
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
}

.site-header__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  align-items: baseline;
  justify-content: space-between;
  padding-block: 1.125rem;
}

.site-header__name {
  font-family: var(--serif);
  font-size: 1.0625rem;
  letter-spacing: 0.01em;
  text-decoration: none;
}

.site-header nav {
  display: flex;
  gap: 1.375rem;
  font-size: 0.9375rem;
}

.site-header nav a {
  color: var(--ink-soft);
  text-decoration: none;
  padding-block: 0.125rem;
  border-bottom: 1px solid transparent;
}

.site-header nav a:hover {
  color: var(--ink);
  border-bottom-color: var(--accent);
}

/* ----------------------------------------------------------------- intro -- */

.intro {
  padding-block: clamp(3.5rem, 9vw, 6rem) clamp(2.5rem, 6vw, 4rem);
  max-width: calc(var(--prose) + 12rem);
}

.intro h1 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2.25rem, 1.6rem + 3.2vw, 3.75rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem;
}

.intro__role {
  font-size: 1.0625rem;
  color: var(--ink-soft);
  margin: 0 0 2rem;
}

.intro p:not(.intro__role):not(.intro__links) {
  font-family: var(--serif);
  font-size: clamp(1.125rem, 1.05rem + 0.35vw, 1.25rem);
  line-height: 1.62;
  max-width: var(--prose);
  margin: 0 0 1.125rem;
}

.intro__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
  margin-top: 2rem;
}

/* -------------------------------------------------------------- sections -- */

.section { padding-block: clamp(2.5rem, 6vw, 4rem); border-top: 1px solid var(--rule); }

.section__title {
  font-family: var(--sans);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 0.75rem;
}

.section__title--sub { margin-top: 3.5rem; }

.section__lead {
  font-family: var(--serif);
  font-size: 1.125rem;
  color: var(--ink-soft);
  max-width: var(--prose);
  margin: 0 0 2.25rem;
}

/* ----------------------------------------------------------------- cards -- */

.grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 2.75rem);
  grid-template-columns: repeat(auto-fill, minmax(19rem, 1fr));
}

.card { display: flex; flex-direction: column; }

.card__media {
  display: block;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--rule);
  margin-bottom: 1.125rem;
}

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

/* Shown whole rather than cropped. A little inset keeps the image off the
   card's own border, so the letterboxing reads as framing, not as a gap. */
.card__media--whole { padding: 0.625rem; }

.card__title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.375rem;
  letter-spacing: -0.01em;
  margin: 0 0 0.375rem;
}

.card__title a {
  text-decoration: none;
  background-image: linear-gradient(var(--accent), var(--accent));
  background-size: 0% 1px;
  background-repeat: no-repeat;
  background-position: 0 100%;
  transition: background-size 0.2s ease;
}

.card__title a:hover { background-size: 100% 1px; }

.card__line {
  color: var(--ink-soft);
  margin: 0 0 0.875rem;
  max-width: 34ch;
}

.card .actions { margin-top: auto; padding-top: 1rem; }

/* ------------------------------------------------------------------ tags -- */

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.tags li {
  font-size: 0.75rem;
  letter-spacing: 0.02em;
  color: var(--ink-soft);
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: 0.1875rem 0.5rem;
}

/* --------------------------------------------------------------- buttons -- */

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

.btn {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1;
  padding: 0.6875rem 1rem;
  border: 1px solid var(--rule);
  border-radius: 3px;
  text-decoration: none;
  color: var(--ink);
  background: var(--surface);
  transition: border-color 0.15s ease, color 0.15s ease;
}

.btn:hover { border-color: var(--ink-soft); }

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

.btn--primary:hover { border-color: var(--accent); opacity: 0.9; }

.btn--todo {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--accent);
  background: var(--accent-bg);
  border-style: dashed;
  border-color: var(--accent);
  cursor: default;
}

.actions--lg .btn { padding: 0.8125rem 1.25rem; font-size: 0.9375rem; }

/* ------------------------------------------------------------ how i work -- */

.principles {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  margin-bottom: 1rem;
}

.principle h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.1875rem;
  margin: 0 0 0.5rem;
}

.principle p { margin: 0; color: var(--ink-soft); }

.skills { margin: 0; }

.skills__row {
  display: grid;
  grid-template-columns: 12rem 1fr;
  gap: 0.5rem 1.5rem;
  padding-block: 0.875rem;
  border-top: 1px solid var(--rule);
}

.skills__row:last-child { border-bottom: 1px solid var(--rule); }

.skills dt {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.skills dd { margin: 0; }

@media (max-width: 34rem) {
  .skills__row { grid-template-columns: 1fr; }
}

/* ------------------------------------------------------------ case study -- */

.case { padding-block: 2rem clamp(3rem, 7vw, 5rem); }

.case__back { font-size: 0.9375rem; margin: 0 0 2.5rem; }
.case__back a { color: var(--ink-soft); text-decoration: none; }
.case__back a:hover { color: var(--accent); }

.case__head { max-width: var(--prose); }

.case__head h1 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2rem, 1.5rem + 2.4vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 0.625rem;
}

.case__tagline {
  font-family: var(--serif);
  font-size: 1.1875rem;
  line-height: 1.5;
  color: var(--ink-soft);
  margin: 0 0 2rem;
}

.case__meta {
  display: grid;
  gap: 0.875rem 2rem;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
  margin: 0 0 2rem;
  padding-block: 1.25rem;
  border-block: 1px solid var(--rule);
}

.case__meta dt {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 0.25rem;
}

.case__meta dd { margin: 0; font-size: 0.9375rem; }

.case__section { margin-block: 3rem; }

/* Prose stays narrow; figures are allowed to breathe past it. */
.case__section > h2,
.case__section > p { max-width: var(--prose); }
.case__section > .figure { max-width: 46rem; }

.case__section h2 {
  font-family: var(--sans);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 0.875rem;
}

.case__section p {
  font-family: var(--serif);
  font-size: clamp(1.0625rem, 1rem + 0.3vw, 1.1875rem);
  line-height: 1.68;
  margin: 0 0 1.125rem;
}

.case__section em { font-style: italic; }

.case__tech { border-top: 1px solid var(--rule); padding-top: 2.5rem; }

.case__tech p { font-size: 1rem; line-height: 1.62; color: var(--ink-soft); }

.case__tech-hint {
  font-family: var(--sans) !important;
  font-size: 0.875rem !important;
  color: var(--ink-soft);
  margin-top: -0.375rem !important;
}

/* --------------------------------------------------------------- figures -- */

.figure {
  margin: 2.5rem 0;
  max-width: none;
}

.case__section .figure { margin-inline: 0; }
.case > .wrap > .figure { margin-block: 2.5rem 3.5rem; }

.figure img { border: 1px solid var(--rule); }

.figure figcaption {
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--ink-soft);
  margin-top: 0.75rem;
  max-width: 42ch;
}

.figure__placeholder {
  display: grid;
  place-items: center;
  min-height: 12rem;
  aspect-ratio: 16 / 10;
  border: 1px dashed var(--accent);
  background: var(--accent-bg);
  color: var(--accent);
  font: 0.8125rem var(--mono);
  letter-spacing: 0.04em;
  text-align: center;
  padding: 1rem;
}

.card__media .figure__placeholder { border-style: dashed; height: 100%; }

/* ----------------------------------------------------------- next / feet -- */

.case__next { border-top: 1px solid var(--rule); margin-top: 4rem; padding-top: 2rem; }

.case__next h2 {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 1.25rem;
}

.case__next ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
}

.case__next a {
  display: block;
  text-decoration: none;
  border: 1px solid var(--rule);
  border-radius: 3px;
  padding: 1rem 1.125rem;
  transition: border-color 0.15s ease;
}

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

.case__next strong {
  display: block;
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.125rem;
  margin-bottom: 0.25rem;
}

.case__next span { font-size: 0.9375rem; color: var(--ink-soft); }

.site-footer {
  border-top: 1px solid var(--rule);
  padding-block: 2.5rem 3.5rem;
  font-size: 0.9375rem;
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  margin: 0 0 0.75rem;
}

.site-footer__links a { color: var(--ink); text-decoration-color: var(--rule); }
.site-footer__links a:hover { text-decoration-color: var(--accent); }

.site-footer__note { color: var(--ink-soft); margin: 0; font-size: 0.875rem; }

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

/* A case study is one column of reading, so it sits in a narrower measure than
   the project grid on the home page. */
.case .wrap { max-width: 52rem; }