/* =========================================================
   Nicola Marano — Portfolio · stile moderno
   Stesso markup e stesse classi di prima: JS e JSON non cambiano.
   ========================================================= */
@layer base, layout, components;

:root {
  --bg: #f4f7fb;
  --bg2: #eaf0f8;
  --card: #ffffff;
  --tx: #0a192f;
  --mut: #4f627d;
  --ac: #00836f;
  --ac2: #4059e0;
  --ac3: #b25b00;
  --bd: #0a192f1f;
  --r: 16px;
  --btn: linear-gradient(120deg, #00836f, #4059e0);
  --on: #fff;
  --sh: 0 20px 44px -26px #0a192f55;
  --h: 68px;
  --glow: color-mix(in srgb, var(--ac) 16%, transparent);
  /* variabili lette dal selettore lingua (language-switcher.css) */
  --card-bg: var(--card);
  --text-light: var(--tx);
  --shadow-md: var(--sh);
  /* tema sempre chiaro, indipendente dal tema del sistema */
  color-scheme: light;
}

@layer base {
  *,
  *::before,
  *::after {
    box-sizing: border-box;
    margin: 0;
  }
  html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--h);
  }
  body {
    font:
      400 1rem/1.7 Inter,
      system-ui,
      sans-serif;
    background: var(--bg);
    color: var(--tx);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
  }
  /* griglia tecnica sullo sfondo, sfumata verso il basso */
  body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background-image:
      linear-gradient(var(--bd) 1px, transparent 1px),
      linear-gradient(90deg, var(--bd) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(
      ellipse 70% 55% at 50% 0,
      #000 20%,
      transparent 75%
    );
    opacity: 0.55;
  }
  img {
    max-width: 100%;
    display: block;
  }
  a {
    color: inherit;
  }
  h1,
  h2,
  h3 {
    font-family: "Space Grotesk", Inter, sans-serif;
    line-height: 1.15;
    letter-spacing: -0.02em;
  }
  .container {
    width: min(1160px, 100% - 2.5rem);
    margin-inline: auto;
  }
  .mono,
  pre {
    font-family: "JetBrains Mono", ui-monospace, monospace;
  }
  section {
    padding: clamp(3.5rem, 8vw, 6.5rem) 0;
    content-visibility: auto;
    contain-intrinsic-size: auto 600px;
  }
  section:nth-of-type(even) {
    background: linear-gradient(
      180deg,
      transparent,
      color-mix(in srgb, var(--bg2) 85%, transparent) 12%,
      color-mix(in srgb, var(--bg2) 85%, transparent) 88%,
      transparent
    );
  }
  h2 {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    margin-bottom: 2.2rem;
    display: flex;
    gap: 0.85rem;
    align-items: center;
  }
  h2 i {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 2.6rem;
    height: 2.6rem;
    flex: none;
    font-size: 1.4rem;
    line-height: 1;
    color: var(--ac);
    border: 1px solid var(--bd);
    border-radius: 12px;
    background: var(--glow);
  }
  h2 i::before {
    display: block;
    line-height: 1;
  }
  h2::after {
    content: "";
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--bd), transparent);
  }
  :focus-visible {
    outline: 2px solid var(--ac);
    outline-offset: 3px;
    border-radius: 6px;
  }
  ::selection {
    background: var(--ac);
    color: var(--on);
  }
  @media (prefers-reduced-motion: reduce) {
    * {
      animation: none !important;
      transition: none !important;
      scroll-behavior: auto !important;
    }
  }
}

@layer layout {
  header {
    position: fixed;
    inset: 0 0 auto;
    height: var(--h);
    z-index: 50;
    backdrop-filter: blur(16px) saturate(1.5);
    background: color-mix(in srgb, var(--bg) 72%, transparent);
    border-bottom: 1px solid var(--bd);
    padding-top: env(safe-area-inset-top);
  }
  .bar-in {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--h);
  }
  .logo {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    text-decoration: none;
    font: 700 1.05rem "Space Grotesk";
  }
  .logo img {
    width: 38px;
    height: 38px;
    border-radius: 11px;
    object-fit: cover;
    border: 1px solid var(--bd);
  }
  nav {
    display: flex;
    gap: 0.15rem;
  }
  nav a {
    padding: 0.4rem 0.75rem;
    border-radius: 10px;
    text-decoration: none;
    font-size: 0.82rem;
    color: var(--mut);
    transition: 0.2s;
  }
  nav a:hover,
  nav a.on {
    color: var(--ac);
    background: var(--glow);
  }
  #hamburger {
    display: none;
    background: none;
    border: 1px solid var(--bd);
    border-radius: 10px;
    width: 42px;
    height: 42px;
    color: var(--tx);
    font-size: 1.6rem;
    cursor: pointer;
  }
  @media (max-width: 1000px) {
    #hamburger {
      display: grid;
      place-items: center;
    }
    nav {
      position: fixed;
      inset: var(--h) 0 auto;
      flex-direction: column;
      padding: 1rem;
      background: var(--bg);
      border-bottom: 1px solid var(--bd);
      transform: translateY(-130%);
      transition: transform 0.3s;
    }
    nav.open {
      transform: none;
    }
    nav a {
      font-size: 1rem;
      padding: 0.75rem 1rem;
    }
  }
  .progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 100%;
    z-index: 60;
    background: linear-gradient(90deg, var(--ac), var(--ac2), var(--ac3));
    transform-origin: 0;
    transform: scaleX(0);
  }
  .hero {
    padding-top: calc(var(--h) + 3rem);
    min-height: 100svh;
    display: grid;
    align-items: center;
    background:
      radial-gradient(
        50rem 28rem at 88% -5%,
        color-mix(in srgb, var(--ac2) 24%, transparent),
        transparent
      ),
      radial-gradient(38rem 24rem at -5% 95%, var(--glow), transparent) !important;
  }
  .hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    gap: 3.5rem;
    align-items: center;
  }
  @media (max-width: 900px) {
    .hero-grid {
      grid-template-columns: 1fr;
    }
    .visual {
      order: -1;
    }
  }
  footer {
    padding: 2.2rem 0;
    text-align: center;
    color: var(--mut);
    border-top: 1px solid var(--bd);
    font-size: 0.9rem;
  }
}

@layer components {
  /* ---------- hero ---------- */
  .badge {
    display: inline-flex;
    gap: 0.55rem;
    align-items: center;
    padding: 0.35rem 1rem;
    border: 1px solid var(--bd);
    border-radius: 99px;
    font: 400 0.82rem "JetBrains Mono";
    color: var(--ac);
    background: var(--glow);
  }
  .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--ac);
    box-shadow: 0 0 0 0 var(--ac);
    animation: pulse 2s infinite;
  }
  @keyframes pulse {
    70% {
      box-shadow: 0 0 0 9px #0000;
    }
  }
  h1 {
    font-size: clamp(3rem, 9vw, 5.8rem);
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.045em;
    margin: 1.1rem 0 0.6rem;
    background: linear-gradient(
      110deg,
      var(--tx) 30%,
      var(--ac) 75%,
      var(--ac2)
    );
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
  .typing {
    font: 500 clamp(1.2rem, 3vw, 1.7rem)/1.4 "Space Grotesk";
    margin-bottom: 1.3rem;
    color: var(--mut);
  }
  #typed {
    color: var(--ac);
    font-family: "JetBrains Mono";
    font-weight: 400;
  }
  .caret {
    display: inline-block;
    width: 2px;
    height: 1.1em;
    background: var(--ac);
    vertical-align: -0.15em;
    margin-left: 2px;
    animation: blink 1s steps(1) infinite;
  }
  @keyframes blink {
    50% {
      opacity: 0;
    }
  }
  .lead {
    color: var(--mut);
    margin-bottom: 0.85rem;
    max-width: 60ch;
  }
  .lead strong {
    color: var(--tx);
    font-weight: 500;
  }
  .btn {
    display: inline-flex;
    gap: 0.55rem;
    align-items: center;
    justify-content: center;
    margin-top: 1.1rem;
    padding: 0.85rem 1.7rem;
    border: 0;
    border-radius: 12px;
    font: 600 1rem Inter;
    text-decoration: none;
    cursor: pointer;
    color: var(--on);
    background: var(--btn);
    box-shadow: 0 10px 30px -10px var(--ac);
    transition:
      transform 0.2s,
      box-shadow 0.2s;
  }
  .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 36px -10px var(--ac);
  }

  .visual {
    position: relative;
    display: grid;
    justify-items: center;
    gap: 0;
  }
  .avatar {
    position: relative;
    z-index: 2;
    width: min(170px, 42vw);
    height: auto;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: 50%;
    border: 4px solid var(--bg);
    outline: 2px solid var(--ac);
    margin-bottom: 1.6rem;
    box-shadow: 0 0 60px -6px color-mix(in srgb, var(--ac) 55%, transparent);
  }
  .term {
    width: 100%;
    max-width: 480px;
    background: #081120;
    border: 1px solid var(--bd);
    border-radius: 16px;
    box-shadow:
      var(--sh),
      0 0 0 1px #ffffff08 inset;
    overflow: hidden;
    color: #cdd9ee;
  }
  .bar {
    display: flex;
    gap: 7px;
    align-items: center;
    padding: 0.7rem 1rem;
    background: #ffffff0a;
    border-bottom: 1px solid #ffffff10;
    font: 0.75rem "JetBrains Mono";
    color: #8fa6c4;
  }
  .bar i {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: #ff5f56;
  }
  .bar i + i {
    background: #ffbd2e;
  }
  .bar i + i + i {
    background: #27c93f;
  }
  .bar span {
    margin-left: 0.6rem;
  }
  pre {
    padding: 1.1rem;
    font-size: 0.78rem;
    line-height: 1.65;
    white-space: pre-wrap;
  }
  .code {
    padding-top: 0;
  }
  .visual .code {
    margin-top: 0;
  }
  .code pre {
    height: 15.5rem;
    overflow: auto;
    scrollbar-width: thin;
    padding-top: 1.1rem;
  }
  .code.compact pre {
    font-size: 0.66rem;
    line-height: 1.45;
  }
  .tk-keyword,
  .k {
    color: #c792ea;
  }
  .tk-key,
  .f {
    color: #82aaff;
  }
  .tk-string,
  .s {
    color: #c3e88d;
  }
  .tk-func {
    color: #ffcb6b;
  }
  .tk-bool,
  .n {
    color: #f78c6c;
  }
  .tk-comment,
  .c {
    color: #637777;
    font-style: italic;
  }
  .tk-punct,
  .p {
    color: #89ddff;
  }
  .glyph {
    position: absolute;
    font: 700 1.6rem "JetBrains Mono";
    color: var(--ac);
    opacity: 0.35;
    animation: float 5s ease-in-out infinite;
    pointer-events: none;
  }
  @keyframes float {
    50% {
      transform: translateY(-12px);
    }
  }
  .g1 {
    top: -10px;
    left: 2%;
  }
  .g2 {
    top: 42%;
    right: -6px;
    animation-delay: -2s;
  }
  .g3 {
    bottom: -12px;
    left: 6%;
    animation-delay: -3s;
  }

  /* ---------- griglie e card ---------- */
  .grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 330px), 1fr));
    gap: 1.3rem;
  }
  .card {
    position: relative;
    overflow: hidden;
    background: linear-gradient(
      160deg,
      color-mix(in srgb, var(--card) 100%, #fff 3%),
      var(--card)
    );
    border: 1px solid var(--bd);
    border-radius: var(--r);
    padding: 1.6rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    transition:
      transform 0.3s,
      border-color 0.3s,
      box-shadow 0.3s;
  }
  /* filo luminoso in alto che compare in hover */
  .card::before {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 2px;
    background: linear-gradient(
      90deg,
      transparent,
      var(--ac),
      var(--ac2),
      transparent
    );
    opacity: 0;
    transition: opacity 0.3s;
  }
  .card:hover {
    transform: translateY(-6px);
    border-color: color-mix(in srgb, var(--ac) 55%, var(--bd));
    box-shadow: var(--sh);
  }
  .card:hover::before {
    opacity: 1;
  }
  .card h3 {
    font-size: 1.2rem;
  }
  .card p,
  .card li {
    color: var(--mut);
    font-size: 0.92rem;
  }
  .card ul {
    padding-left: 1.1rem;
    display: grid;
    gap: 0.4rem;
  }
  .card li::marker {
    color: var(--ac);
  }
  .card p b {
    color: var(--tx);
    font-weight: 600;
  }
  .card img.lg {
    height: 56px;
    width: auto;
    max-width: 170px;
    object-fit: contain;
    background: #fff;
    border-radius: 12px;
    padding: 7px;
  }
  .card img.cover {
    aspect-ratio: 16/10;
    object-fit: cover;
    border-radius: 12px;
    width: 100%;
    border: 1px solid var(--bd);
    transition: transform 0.5s;
  }
  .card:hover img.cover {
    transform: scale(1.03);
  }
  .card img.flag {
    width: 100%;
    aspect-ratio: 3/2;
    object-fit: cover;
    border-radius: 12px;
  }
  .meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
  }
  .tag {
    align-self: flex-start;
    font: 400 0.73rem "JetBrains Mono";
    padding: 0.22rem 0.7rem;
    border-radius: 8px;
    background: var(--glow);
    color: var(--ac);
    border: 1px solid color-mix(in srgb, var(--ac) 25%, transparent);
  }
  .links {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
    margin-top: auto;
    padding-top: 0.4rem;
  }
  .links a {
    font-size: 0.85rem;
    color: var(--ac);
    text-decoration: none;
    display: inline-flex;
    gap: 0.35rem;
    align-items: center;
    padding: 0.35rem 0.8rem;
    border-radius: 9px;
    border: 1px solid var(--bd);
    transition: 0.2s;
  }
  .links a:hover {
    background: var(--glow);
    border-color: var(--ac);
  }

  /* esperienze e istruzione: colonna singola, in sequenza */
  #esperienze .grid,
  #istruzione .grid {
    grid-template-columns: 1fr;
    position: relative;
    padding-left: 1.6rem;
    border-left: 1px solid var(--bd);
    gap: 1.3rem;
  }
  #esperienze .card::after,
  #istruzione .card::after {
    content: "";
    position: absolute;
    left: -1.95rem;
    top: 2rem;
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: var(--bg);
    border: 2px solid var(--ac);
  }
  #esperienze .card,
  #istruzione .card {
    overflow: visible;
  }
  #esperienze .card::before,
  #istruzione .card::before {
    border-radius: var(--r) var(--r) 0 0;
  }

  /* ---------- competenze ---------- */
  .tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.8rem;
  }
  .tabs button {
    padding: 0.5rem 1.1rem;
    border-radius: 10px;
    border: 1px solid var(--bd);
    background: var(--card);
    color: var(--mut);
    font: 500 0.88rem Inter;
    cursor: pointer;
    transition: 0.2s;
  }
  .tabs button:hover {
    color: var(--ac);
    border-color: var(--ac);
  }
  .tabs button.on {
    background: var(--btn);
    color: var(--on);
    border-color: transparent;
  }
  .skills {
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 270px), 1fr));
  }
  .skills .card {
    align-items: flex-start;
  }
  .skills img {
    width: 46px;
    height: 46px;
    object-fit: contain;
  }

  /* ---------- contatti ---------- */
  .contact {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 1.6rem;
  }
  @media (max-width: 900px) {
    .contact {
      grid-template-columns: 1fr;
    }
  }
  form,
  aside {
    background: var(--card);
    border: 1px solid var(--bd);
    border-radius: 20px;
    padding: 1.9rem;
  }
  form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }
  form .full {
    grid-column: 1/-1;
  }
  @media (max-width: 600px) {
    form {
      grid-template-columns: 1fr;
    }
  }
  label {
    display: grid;
    gap: 0.4rem;
    font-size: 0.85rem;
    color: var(--mut);
  }
  input,
  textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    border-radius: 12px;
    border: 1px solid var(--bd);
    background: var(--bg);
    color: var(--tx);
    font: 1rem Inter;
    transition:
      border-color 0.2s,
      box-shadow 0.2s;
  }
  input:focus,
  textarea:focus {
    outline: none;
    border-color: var(--ac);
    box-shadow: 0 0 0 4px var(--glow);
  }
  input:user-invalid,
  textarea:user-invalid,
  .bad {
    border-color: #ff6b6b;
  }
  .captcha {
    display: flex;
    gap: 0.6rem;
    align-items: center;
  }
  .captcha canvas {
    flex: 1;
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    border: 1px solid var(--bd);
  }
  .captcha button {
    font-size: 1.6rem;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    border: 1px solid var(--bd);
    background: var(--bg);
    color: var(--ac);
    cursor: pointer;
    transition: 0.2s;
  }
  .captcha button:hover {
    border-color: var(--ac);
  }
  .msg {
    min-height: 1.4em;
    font-size: 0.9rem;
  }
  .msg.err {
    color: #ff6b6b;
  }
  .msg.ok {
    color: var(--ac);
  }
  aside {
    align-self: start;
  }
  aside h3 {
    margin-bottom: 1.1rem;
  }
  .social {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(58px, 1fr));
    gap: 0.8rem;
  }
  .social a {
    aspect-ratio: 1;
    display: grid;
    place-items: center;
    background: #fff;
    border-radius: 16px;
    padding: 11px;
    transition:
      transform 0.2s,
      box-shadow 0.2s;
  }
  .social a:hover {
    transform: translateY(-5px) scale(1.06);
    box-shadow: 0 14px 26px -12px var(--ac);
  }
  .social img {
    max-height: 100%;
    object-fit: contain;
  }

  /* ---------- torna su, loader, reveal ---------- */
  #toTop {
    position: fixed;
    right: 1.2rem;
    bottom: calc(1.2rem + env(safe-area-inset-bottom));
    width: 48px;
    height: 48px;
    border-radius: 14px;
    border: 0;
    font-size: 1.6rem;
    color: var(--on);
    background: var(--btn);
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    transition: 0.3s;
    z-index: 40;
    box-shadow: 0 12px 28px -10px var(--ac);
  }
  #toTop.show {
    opacity: 1;
    pointer-events: auto;
  }
  .loader {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: grid;
    place-content: center;
    justify-items: center;
    gap: 1.2rem;
    background: var(--bg);
    transition:
      opacity 0.5s,
      visibility 0.5s;
  }
  .loader.done {
    opacity: 0;
    visibility: hidden;
  }
  .loader > img {
    width: 84px;
    border-radius: 22px;
    box-shadow: 0 0 50px -8px var(--ac);
  }
  .loader .term {
    width: min(90vw, 380px);
  }
  .loader pre {
    min-height: 6rem;
  }
  .loader .mono {
    color: var(--mut);
    font-size: 0.85rem;
  }
  .reveal {
    opacity: 0;
    translate: 0 22px;
    transition:
      opacity 0.7s,
      translate 0.7s;
  }
  .reveal.in {
    opacity: 1;
    translate: 0;
  }
}