/* ============================================================
   TERMINAL DARK THEME — salvatoregorgone.com
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #0d0f0e;
  --bg-alt:    #111614;
  --border:    #1c2820;
  --green:     #39ff7e;
  --green-dim: #2d9455;
  --amber:     #f5a623;
  --yellow:    #e8ff2a;
  --white:     #d4f0dc;
  --muted:     #8aab92;
  --font:      'Courier New', Courier, monospace;
  --r:         2px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--white);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.75;
  min-height: 100vh;
}

::selection { background: var(--green-dim); color: #fff; }

a { color: var(--green); text-decoration: none; }
a:hover { text-decoration: underline; color: #fff; }

/* scanline overlay — z-index below intro overlay (5000) */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px, transparent 2px,
    rgba(0,0,0,.06) 2px, rgba(0,0,0,.06) 4px
  );
  pointer-events: none;
  z-index: 4999;
}

/* ── NAV ─────────────────────────────────────── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  height: 54px;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-weight: bold;
  font-size: .95rem;
  color: var(--green);
  letter-spacing: .04em;
}
.nav-logo .dim { color: var(--muted); }

.nav-links {
  list-style: none;
  display: flex;
  gap: 2rem;
}
.nav-links a {
  color: var(--muted);
  font-size: .8rem;
  letter-spacing: .07em;
  text-transform: uppercase;
  transition: color .2s;
}
.nav-links a::before { content: './'; color: var(--green-dim); }
.nav-links a:hover { color: var(--yellow); text-decoration: none; }
.nav-links a.active { color: var(--green); text-decoration: none; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
}
.nav-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--green);
}

/* ── HERO (homepage) ─────────────────────────── */
.hero {
  min-height: calc(100vh - 54px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
  position: relative;
  overflow: hidden;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: .38;
}

.hero-inner {
  position: relative;
  z-index: 1;
}

/* neon glow soft + dark backing per leggibilità sul canvas */
.hero h1 {
  text-shadow:
    0 0 8px rgba(232,255,42,.45),
    0 0 24px rgba(232,255,42,.20),
    0 2px 4px rgba(0,0,0,1);
}

.hero .sub {
  text-shadow: 0 0 20px rgba(0,0,0,.9), 0 1px 3px rgba(0,0,0,1);
}

/* roles line: white, slightly muted */
.hero-roles {
  color: var(--white);
  font-size: 1em;
  letter-spacing: .04em;
}

/* research fields: yellow neon with glow — futuristic accent */
.hero-fields {
  color: var(--yellow);
  font-size: .88em;
  letter-spacing: .08em;
  text-shadow:
    0 0 8px rgba(232,255,42,.6),
    0 0 20px rgba(232,255,42,.25),
    0 0 40px rgba(232,255,42,.1);
}

.hero .prompt {
  text-shadow: 0 0 12px rgba(0,0,0,.9);
}

.hero-inner { max-width: 720px; width: 100%; }

.prompt {
  color: var(--muted);
  font-size: .78rem;
  letter-spacing: .05em;
  margin-bottom: .6rem;
}
.prompt .u { color: var(--green); }
.prompt .h { color: var(--amber); }

.hero h1 {
  font-size: clamp(2.4rem, 6.5vw, 4.2rem);
  color: var(--yellow);
  line-height: 1.12;
  margin-bottom: .6rem;
  letter-spacing: .04em;
  text-shadow:
    0 0 8px rgba(232,255,42,.45),
    0 0 24px rgba(232,255,42,.20),
    0 2px 4px rgba(0,0,0,1);
}

.hero .sub {
  font-size: clamp(.88rem, 2vw, 1.05rem);
  color: var(--muted);
  margin-bottom: 2.2rem;
}

.cursor {
  display: inline-block;
  width: 10px; height: 1em;
  background: var(--yellow);
  vertical-align: text-bottom;
  animation: blink 1s step-end infinite;
  box-shadow: 0 0 8px var(--yellow);
}
@keyframes blink { 50% { opacity: 0; } }

/* ── BUTTONS ─────────────────────────────────── */
.btn {
  display: inline-block;
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
  border: 1px solid var(--green);
  color: var(--green);
  padding: .45rem 1.2rem;
  font-family: var(--font);
  font-size: .82rem;
  letter-spacing: .06em;
  cursor: pointer;
  transition: background .2s, color .2s;
  border-radius: var(--r);
}
.btn:hover { background: var(--green); color: var(--bg); text-decoration: none; }
.btn-ghost {
  border-color: var(--muted);
  color: var(--muted);
}
.btn-ghost:hover { background: var(--muted); color: var(--bg); }
.btn + .btn { margin-left: .7rem; }

/* ── SECTIONS ────────────────────────────────── */
.section {
  padding: 5rem 2rem;
  border-top: 1px solid var(--border);
}
.container { max-width: 900px; margin: 0 auto; }

.sec-head { margin-bottom: 2.5rem; }
.sec-head .cmd-line {
  color: var(--muted);
  font-size: .75rem;
  letter-spacing: .08em;
  margin-bottom: .3rem;
}
.sec-head h2 {
  font-size: clamp(1.15rem, 3vw, 1.65rem);
  color: var(--green);
  letter-spacing: .04em;
}
.sec-head h2::before { content: '# '; color: var(--green-dim); }

/* ── BIO ─────────────────────────────────────── */
.bio-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2rem;
  align-items: start;
}
.bio-text p { color: var(--white); margin-bottom: 1rem; font-size: .92rem; }

.info-table {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 1.1rem 1.3rem;
  font-size: .84rem;
}
.info-row {
  display: flex;
  gap: .8rem;
  padding: .38rem 0;
  border-bottom: 1px solid var(--border);
}
.info-row:last-child { border-bottom: none; }
.info-key { color: var(--amber); min-width: 90px; flex-shrink: 0; }
.info-val { color: var(--white); }

/* ── WORK CARDS ──────────────────────────────── */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.3rem;
}

.card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 1.3rem 1.4rem;
  position: relative;
  overflow: hidden;
  transition: border-color .2s, transform .2s;
}
.card::before {
  content: '';
  position: absolute;
  left: 0; top: 0;
  width: 3px; height: 100%;
  background: var(--green-dim);
  transition: background .2s;
}
.card:hover { border-color: var(--green-dim); transform: translateY(-3px); }
.card:hover::before { background: var(--green); }

.card-tag {
  font-size: .7rem;
  color: var(--amber);
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: .5rem;
}
.card h3 { color: var(--green); font-size: .97rem; margin-bottom: .45rem; }
.card p  { color: var(--muted); font-size: .84rem; }
.card-link {
  display: inline-block;
  margin-top: .7rem;
  font-size: .78rem;
  color: var(--green-dim);
}
.card-link:hover { color: var(--green); }

/* ── CONTACT ITEMS ───────────────────────────── */
.contact-list { display: flex; flex-direction: column; gap: 1rem; }

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: .9rem 1.3rem;
  transition: border-color .2s;
  text-decoration: none !important;
}
.contact-item:hover { border-color: var(--green-dim); }

.contact-item .icon { font-size: 1.15rem; width: 26px; text-align: center; flex-shrink: 0; }
.contact-label {
  display: block;
  font-size: .72rem;
  color: var(--amber);
  letter-spacing: .08em;
  text-transform: uppercase;
}
.contact-value { color: var(--green); font-size: .92rem; }

/* ── TERMINAL BOX ────────────────────────────── */
.term-box {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--r);
  overflow: hidden;
  margin-bottom: 1.5rem;
}
.term-bar {
  background: #182118;
  padding: .38rem .8rem;
  display: flex;
  align-items: center;
  gap: .45rem;
  font-size: .72rem;
  color: var(--muted);
}
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot-r { background: #ff5f56; }
.dot-a { background: #ffbd2e; }
.dot-g { background: #27c93f; }
.term-body { padding: 1.1rem 1.3rem; }
.tl { margin-bottom: .35rem; font-size: .86rem; }
.tl .ps { color: var(--green); }
.tl .out { color: var(--muted); }

/* ── PAGE HERO (inner pages) ─────────────────── */
.page-hero {
  padding: 3.5rem 2rem 2rem;
  border-bottom: 1px solid var(--border);
}
.page-hero h1 {
  font-size: clamp(1.5rem, 4vw, 2.4rem);
  color: var(--green);
  margin-top: .6rem;
}
.page-hero p { color: var(--muted); margin-top: .4rem; font-size: .88rem; }

/* ── SKILLS ──────────────────────────────────── */
.skills { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1rem; }
.skill-tag {
  border: 1px solid var(--green-dim);
  color: var(--green);
  padding: .18rem .65rem;
  font-size: .76rem;
  border-radius: var(--r);
  letter-spacing: .05em;
}

/* ── TIMELINE ────────────────────────────────── */
.timeline { position: relative; padding-left: 1.6rem; }
.timeline::before {
  content: '';
  position: absolute;
  left: 0; top: .5rem; bottom: .5rem;
  width: 2px;
  background: var(--border);
}
.tl-item { position: relative; margin-bottom: 2rem; }
.tl-item::before {
  content: '';
  position: absolute;
  left: -1.74rem; top: .45rem;
  width: 8px; height: 8px;
  background: var(--green-dim);
  border-radius: 50%;
  transition: background .2s;
}
.tl-item:hover::before { background: var(--green); }
.tl-date  { color: var(--amber); font-size: .76rem; letter-spacing: .07em; margin-bottom: .2rem; }
.tl-title { color: var(--green); font-size: .98rem; margin-bottom: .3rem; }
.tl-desc  { color: var(--muted); font-size: .86rem; }

/* ── CONTACT FORM ────────────────────────────── */
.form-group { margin-bottom: 1.2rem; }
.form-group label {
  display: block;
  color: var(--muted);
  font-size: .76rem;
  letter-spacing: .08em;
  margin-bottom: .4rem;
}
.form-group label::before { content: '> '; color: var(--green-dim); }
.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--r);
  color: var(--white);
  font-family: var(--font);
  font-size: .88rem;
  padding: .65rem 1rem;
  transition: border-color .2s;
}
.form-group input:focus,
.form-group textarea:focus { outline: none; border-color: var(--green-dim); }
.form-group textarea { min-height: 120px; resize: vertical; }

/* ── FOOTER ──────────────────────────────────── */
footer {
  text-align: center;
  padding: 2.4rem 2rem;
  background: var(--bg-alt);
  color: var(--white);
  font-size: .84rem;
  letter-spacing: .05em;
  border-top: 2px solid var(--green-dim);
}
footer .footer-name { color: var(--green); font-size: 1rem; display: block; margin-bottom: .4rem; }
footer .footer-role { color: var(--amber); font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; margin-bottom: .8rem; display: block; }
footer .footer-links { display: flex; justify-content: center; gap: 1.6rem; flex-wrap: wrap; margin-bottom: .8rem; }
footer .footer-links a { color: var(--muted); font-size: .8rem; transition: color .2s; }
footer .footer-links a:hover { color: var(--green); text-decoration: none; }
footer .footer-copy { color: var(--muted); font-size: .74rem; }

/* ── NAV ACTIONS (search + lang) ─────────────── */
.nav-actions {
  display: flex;
  align-items: center;
  gap: .6rem;
}

.nav-search-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--muted);
  font-family: var(--font);
  font-size: 1rem;
  width: 32px; height: 32px;
  border-radius: var(--r);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: border-color .2s, color .2s;
}
.nav-search-btn:hover { border-color: var(--green); color: var(--green); }

.nav-social-btn {
  display: flex; align-items: center; justify-content: center;
  width: 30px; height: 30px;
  border: 1px solid var(--border);
  border-radius: var(--r);
  color: var(--muted);
  text-decoration: none;
  transition: border-color .2s, color .2s;
}
.nav-social-btn:hover { border-color: var(--green); color: var(--green); text-decoration: none; }
.nav-social-btn svg { display: block; }

/* ── FOOTER SOCIAL ICONS ─────────────────────── */
.footer-links a svg { display: inline-block; vertical-align: middle; margin-right: .28rem; }

/* ── COOKIE BANNER ───────────────────────────── */
.cookie-banner {
  position: fixed;
  bottom: -120px;
  left: 0; right: 0;
  z-index: 900;
  background: var(--bg-alt);
  border-top: 1px solid var(--green-dim);
  padding: .9rem 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.4rem;
  flex-wrap: wrap;
  font-size: .82rem;
  transition: bottom .45s cubic-bezier(.25,.8,.25,1);
}
.cookie-banner.visible { bottom: 0; }
.cookie-text { color: var(--muted); }
.cookie-text a { color: var(--green-dim); }
.cookie-text a:hover { color: var(--green); }
.cookie-accept {
  white-space: nowrap;
  padding: .32rem 1rem;
  font-size: .8rem;
}

.lang-selector { position: relative; }
.lang-current {
  background: none;
  border: 1px solid var(--border);
  color: var(--muted);
  font-family: var(--font);
  font-size: .75rem;
  letter-spacing: .07em;
  padding: .25rem .6rem;
  border-radius: var(--r);
  cursor: pointer;
  transition: border-color .2s, color .2s;
  white-space: nowrap;
}
.lang-current:hover { border-color: var(--green); color: var(--green); }
.lang-menu {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r);
  list-style: none;
  min-width: 160px;
  z-index: 200;
  overflow: hidden;
}
.lang-menu.open { display: block; }
.lang-menu li button {
  display: block;
  width: 100%;
  background: none;
  border: none;
  color: var(--muted);
  font-family: var(--font);
  font-size: .8rem;
  padding: .5rem 1rem;
  text-align: left;
  cursor: pointer;
  transition: background .15s, color .15s;
  letter-spacing: .04em;
}
.lang-menu li button:hover { background: var(--bg-alt); color: var(--green); }
.lang-menu li button.active { color: var(--green); }

/* ── SEARCH OVERLAY ──────────────────────────── */
.search-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(13,15,14,.96);
  padding: 5rem 2rem 2rem;
  overflow-y: auto;
}
.search-overlay.open { display: block; }

.search-box {
  max-width: 680px;
  margin: 0 auto;
}
.search-box .search-prompt {
  color: var(--muted);
  font-size: .78rem;
  margin-bottom: .4rem;
}
.search-input-wrap {
  display: flex;
  align-items: center;
  border: 1px solid var(--green-dim);
  border-radius: var(--r);
  background: var(--bg-alt);
  padding: .6rem 1rem;
  gap: .6rem;
  margin-bottom: 1.5rem;
}
.search-input-wrap .ps { color: var(--green); flex-shrink: 0; }
.search-input-wrap input {
  flex: 1;
  background: none;
  border: none;
  color: var(--white);
  font-family: var(--font);
  font-size: 1rem;
  outline: none;
}
.search-input-wrap input::placeholder { color: var(--muted); }
.search-close {
  background: none; border: none; color: var(--muted);
  font-family: var(--font); font-size: .8rem; cursor: pointer;
  flex-shrink: 0; transition: color .2s;
}
.search-close:hover { color: var(--green); }

.search-results { list-style: none; }
.search-result-item {
  border-bottom: 1px solid var(--border);
  padding: .9rem 0;
}
.search-result-item:last-child { border-bottom: none; }
.search-result-item a {
  display: block;
  color: var(--white);
  text-decoration: none;
}
.search-result-item a:hover .res-title { color: var(--green); }
.res-tag   { color: var(--amber); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; }
.res-title { color: var(--white); font-size: .95rem; margin: .2rem 0; }
.res-excerpt { color: var(--muted); font-size: .82rem; }
.search-empty { color: var(--muted); font-size: .88rem; }

/* ── INTRO OVERLAY — futuristic ──────────────── */
.intro-overlay {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  width: 100%; height: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  z-index: 5000;
  background: #0d0f0e;
  cursor: pointer; overflow: hidden;
  transition: opacity .9s ease;
}
.intro-overlay.fade-out { opacity: 0; pointer-events: none; }

/* CRT scan lines texture */
.intro-overlay::before {
  content: '';
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0, transparent 3px,
    rgba(0,0,0,.18) 3px, rgba(0,0,0,.18) 4px
  );
}

/* Yellow horizontal scan line sweeping down */
.intro-scan-line {
  position: absolute; left: 0; right: 0;
  top: -6px; height: 6px;
  background: linear-gradient(to bottom, rgba(232,255,42,0), var(--yellow), rgba(232,255,42,0));
  box-shadow:
    0 0 40px 10px rgba(232,255,42,.5),
    0 0 80px 30px rgba(232,255,42,.18);
  z-index: 4;
  animation: introScan 1.5s cubic-bezier(.3,0,.7,1) .15s forwards;
  opacity: 0;
}
@keyframes introScan {
  0%   { top: -6px; opacity: 1; }
  98%  { top: 100%; opacity: 1; }
  100% { top: 100%; opacity: 0; }
}

/* Center content */
.intro-content {
  position: absolute; inset: 0; z-index: 3;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center; font-family: var(--font);
  padding: 2rem;
  gap: .5rem;
}

.intro-tag {
  color: var(--yellow);
  font-size: clamp(.6rem, 1.6vw, .75rem);
  letter-spacing: .22em; text-transform: uppercase;
  text-shadow: 0 0 12px rgba(232,255,42,.7);
  opacity: 0;
  animation: introFadeUp .5s ease 1.6s forwards;
}

.intro-name {
  font-size: clamp(2.4rem, 8vw, 5.5rem);
  color: var(--green);
  letter-spacing: .1em; line-height: 1.1;
  text-shadow:
    0 0 20px rgba(57,255,126,.7),
    0 0 60px rgba(57,255,126,.3),
    0 0 120px rgba(57,255,126,.1);
  opacity: 0;
  animation: introName .8s cubic-bezier(.15,0,.25,1) 1.9s forwards;
  margin: .4rem 0;
}

.intro-roles {
  color: var(--white);
  font-size: clamp(.7rem, 2vw, .95rem);
  letter-spacing: .14em;
  opacity: 0;
  animation: introFadeUp .45s ease 2.55s forwards;
}

.intro-fields {
  color: var(--yellow);
  font-size: clamp(.6rem, 1.6vw, .82rem);
  letter-spacing: .16em;
  text-shadow: 0 0 14px rgba(232,255,42,.55);
  opacity: 0;
  animation: introFadeUp .45s ease 2.9s forwards;
}

.intro-enter {
  position: absolute; bottom: 2.8rem;
  color: var(--yellow);
  font-family: var(--font); font-size: .74rem; letter-spacing: .18em;
  text-shadow: 0 0 10px rgba(232,255,42,.6);
  z-index: 3;
  opacity: 0;
  animation: introFadeUp .3s ease 3.4s forwards, blink 1.1s step-end 3.7s infinite;
}

/* Frequency bars strip */
.intro-bars {
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 110px; z-index: 3;
  display: flex; align-items: flex-end; gap: 2px; padding: 0 3px;
  opacity: 0;
  animation: introFadeIn .4s ease 3.1s forwards;
}
.intro-bar-el {
  flex: 1; border-radius: 1px 1px 0 0;
  height: 2px;
  transition: height .1s ease;
}

@keyframes introName {
  from { opacity: 0; transform: scaleX(.93) translateY(14px); filter: blur(12px); }
  to   { opacity: 1; transform: scaleX(1)  translateY(0);     filter: blur(0);    }
}
@keyframes introFadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes introFadeIn {
  to { opacity: 1; }
}

/* ── RESPONSIVE ──────────────────────────────── */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 54px; right: 0;
    background: var(--bg);
    border: 1px solid var(--border);
    border-top: none;
    padding: 1rem 2rem;
    gap: 1rem;
    min-width: 180px;
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  nav { position: relative; }

  .bio-grid { grid-template-columns: 1fr; }
  .cards    { grid-template-columns: 1fr; }
  .section  { padding: 3rem 1.2rem; }
  .hero     { padding: 3rem 1.2rem; min-height: auto; padding-top: 5rem; }
  .page-hero { padding: 2.5rem 1.2rem 1.5rem; }

  /* contact form 2-col → 1-col */
  .contact-two-col { grid-template-columns: 1fr !important; }

  .lang-current { font-size: .7rem; padding: .2rem .45rem; }
  .intro-term { font-size: .7rem; }
  .nav-social-btn { display: none; }
  .cookie-banner { gap: .8rem; padding: .8rem 1.2rem; }
}