/* =============================================================
   CHRISTIAN SUPINO — PORTFOLIO
   Style Sheet  ·  Tema Scuro con accenti vivaci
   ============================================================= */

/* ── CSS Custom Properties ──────────────────────────────────── */
:root {
  /* Colori base */
  --bg-primary:    #0a0a0f;
  --bg-secondary:  #12121a;
  --bg-card:       #16161f;
  --bg-card-hover: #1c1c2a;

  /* Testo */
  --text-primary:   #e8e8f0;
  --text-secondary: #9a9ab0;
  --text-muted:     #6a6a80;

  /* Accento */
  --accent:        #e94560;
  --accent-light:  #ff6b81;
  --accent-glow:   rgba(233, 69, 96, .35);

  /* Gradient */
  --gradient-accent: linear-gradient(135deg, #e94560, #c22b48);
  --gradient-card:   linear-gradient(145deg, #16161f 0%, #1a1a28 100%);

  /* Bordi */
  --border-subtle: rgba(255, 255, 255, .06);
  --border-card:   rgba(255, 255, 255, .08);

  /* Tipografia */
  --font-sans:  'Inter', system-ui, -apple-system, sans-serif;
  --font-mono:  'JetBrains Mono', 'Fira Code', monospace;

  /* Spaziatura & dimensioni */
  --section-py:    6rem;
  --container-max: 1140px;
  --radius:        12px;
  --radius-sm:     8px;
  --transition:    .3s cubic-bezier(.4, 0, .2, 1);
}

/* ── Reset & Base ───────────────────────────────────────────── */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  -webkit-text-size-adjust: 100%;
  /* Firefox scrollbar */
  scrollbar-width: thin;
  scrollbar-color: #9b59b6 var(--bg-primary);
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

/* ── Scroll Progress Bar ────────────────────────────────────── */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, #9b59b6, #c084fc, #e94560);
  z-index: 9999;
  transition: width .05s linear, opacity .2s ease;
  box-shadow: none;
  pointer-events: none;
  opacity: 0;
}

/* ── Custom Scrollbar (Webkit: Chrome, Edge, Safari) ────────── */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #9b59b6, #7b2d8e);
  border-radius: 10px;
  border: 2px solid var(--bg-primary);
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, #c084fc, #9b59b6);
}

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

ul { list-style: none; }

/* Utilità accessibilità — campo nascosto */
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ── Container ──────────────────────────────────────────────── */
.container {
  width: 90%;
  max-width: var(--container-max);
  margin-inline: auto;
}

/* ── Titoli di sezione ──────────────────────────────────────── */
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  text-align: center;
  margin-bottom: .6rem;
  letter-spacing: -0.02em;
}

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 3rem;
  font-size: 1.05rem;
}

/* ── Accent utility ─────────────────────────────────────────── */
.accent { color: var(--accent); }

/* ── Sezioni ────────────────────────────────────────────────── */
.section {
  padding: var(--section-py) 0;
}

.section-alt {
  background: var(--bg-secondary);
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(10, 10, 15, .75);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--transition);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  width: 90%;
  max-width: var(--container-max);
  margin-inline: auto;
}

.nav-logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  font-size: .9rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  transition: color var(--transition);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transition: width var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

/* Hamburger (mobile) */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 0 80px;
  overflow: hidden;
}

/* Glow decorativo */
.hero-bg-glow {
  position: absolute;
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  top: 10%; left: 50%;
  transform: translateX(-50%);
  filter: blur(100px);
  pointer-events: none;
  z-index: 0;
}

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

.hero-greeting {
  font-family: var(--font-mono);
  font-size: .95rem;
  color: var(--accent);
  margin-bottom: .75rem;
  letter-spacing: .05em;
}

.hero-name {
  font-size: clamp(2.4rem, 7vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.2rem;
  letter-spacing: -0.03em;
}

.hero-bio {
  max-width: 640px;
  margin: 0 auto 2.2rem;
  color: var(--text-secondary);
  font-size: 1.1rem;
  line-height: 1.8;
}

/* ── Pulsanti ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .85rem 1.8rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: .95rem;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
}

.btn-primary {
  background: var(--gradient-accent);
  color: #fff;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.04);
  box-shadow: 0 8px 32px var(--accent-glow);
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
}

.btn-outline:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 24px var(--accent-glow);
}

/* ============================================================
   PORTFOLIO LOGO (sezione header)
   ============================================================ */
.portfolio-logo {
  text-align: center;
  margin-bottom: 1.6rem;
}

.portfolio-logo-img {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto;
  border: 3px solid rgba(155, 89, 182, .35);
  box-shadow:
    0 0 24px rgba(155, 89, 182, .25),
    0 0 60px rgba(155, 89, 182, .1);
  transition: all var(--transition);
}

.portfolio-logo-img:hover {
  box-shadow:
    0 0 32px rgba(155, 89, 182, .45),
    0 0 80px rgba(155, 89, 182, .2);
  transform: scale(1.06);
}

/* ============================================================
   SHOWCASE CARDS — I Miei Lavori Web
   ============================================================ */
.showcase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2.2rem;
}

.showcase-card {
  background: #111118;
  border: 1px solid rgba(155, 89, 182, .15);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
}

.showcase-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, #9b59b6, #e94560, #9b59b6);
  opacity: .6;
  transition: opacity var(--transition);
}

.showcase-card:hover {
  transform: translateY(-8px);
  border-color: rgba(155, 89, 182, .35);
  box-shadow:
    0 20px 60px rgba(0, 0, 0, .5),
    0 0 40px rgba(155, 89, 182, .1);
}

.showcase-card:hover::before {
  opacity: 1;
}

/* ── Mini‑logo SVG ──────────────────────────────────────────── */
.showcase-mini-logo {
  display: flex;
  align-items: center;
  gap: .65rem;
  padding: 1.2rem 1.4rem .6rem;
  color: #c084fc;
}

.showcase-mini-logo svg {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.showcase-mini-label {
  font-family: var(--font-mono);
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: rgba(192, 132, 252, .7);
}

/* ── Miniatura / Thumbnail ──────────────────────────────────── */
.showcase-thumb {
  margin: .6rem 1.4rem;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .06);
  aspect-ratio: 16 / 9;
  background: #0a0a10;
}

.showcase-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease, filter .5s ease;
  filter: brightness(.88);
}

.showcase-card:hover .showcase-thumb img {
  transform: scale(1.05);
  filter: brightness(1);
}

/* ── Body / Contenuto ───────────────────────────────────────── */
.showcase-body {
  padding: 1.2rem 1.4rem 1.6rem;
}

.showcase-title {
  font-family: 'Georgia', 'Times New Roman', serif;
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: .2rem;
  letter-spacing: .01em;
  color: #f0e6ff;
}

.showcase-role {
  font-size: .82rem;
  color: #c084fc;
  font-weight: 500;
  margin-bottom: .9rem;
  letter-spacing: .02em;
}

.showcase-desc {
  color: var(--text-secondary);
  font-size: .92rem;
  line-height: 1.75;
  margin-bottom: 1rem;
}

/* ── Feature list ───────────────────────────────────────────── */
.showcase-features {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 1.4rem;
}

.showcase-features li {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-size: .78rem;
  font-weight: 500;
  color: rgba(192, 132, 252, .85);
  background: rgba(155, 89, 182, .08);
  border: 1px solid rgba(155, 89, 182, .18);
  padding: .3rem .75rem;
  border-radius: 50px;
}

.showcase-features li i {
  font-size: .7rem;
}

/* ── CTA Button ─────────────────────────────────────────────── */
.btn-showcase {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  padding: .75rem 1.5rem;
  border-radius: 50px;
  font-size: .88rem;
  font-weight: 600;
  color: #e94560;
  border: 2px solid rgba(233, 69, 96, .5);
  background: transparent;
  transition: all var(--transition);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn-showcase i:first-child {
  font-size: .75rem;
  color: #c084fc;
  filter: drop-shadow(0 0 4px rgba(192, 132, 252, .6));
}

.btn-showcase:hover {
  color: #fff;
  background: linear-gradient(135deg, rgba(155, 89, 182, .2), rgba(233, 69, 96, .2));
  border-color: #e94560;
  box-shadow:
    0 0 20px rgba(233, 69, 96, .25),
    0 0 6px rgba(192, 132, 252, .3);
  transform: translateY(-2px);
}

.btn-showcase:hover i:first-child {
  filter: drop-shadow(0 0 8px rgba(192, 132, 252, .9));
}

/* ============================================================
   INFRASTRUTTURA — SELF HOSTING
   ============================================================ */
.infra-content {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.infra-text p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  font-size: 1.02rem;
  line-height: 1.8;
}

.infra-stack {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.2rem;
}

.infra-stack li {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  background: rgba(233, 69, 96, .1);
  border: 1px solid rgba(233, 69, 96, .2);
  color: var(--accent-light);
  padding: .45rem 1rem;
  border-radius: 50px;
  font-size: .85rem;
  font-weight: 500;
}

.infra-screenshots {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.screenshot-card {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-card);
  background: var(--bg-card);
  transition: transform var(--transition);
}

.screenshot-card:hover {
  transform: translateY(-4px);
}

.screenshot-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.screenshot-label {
  display: block;
  text-align: center;
  padding: .6rem;
  font-size: .8rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ============================================================
   LABORATORIO & PROGETTI FUTURI
   ============================================================ */
.lab-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.lab-card {
  position: relative;
  background: var(--gradient-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 2rem;
  transition: transform var(--transition), box-shadow var(--transition);
}

.lab-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, .35);
}

.lab-icon {
  width: 56px; height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: rgba(233, 69, 96, .12);
  color: var(--accent);
  font-size: 1.4rem;
  margin-bottom: 1.2rem;
}

.lab-card h3 {
  font-size: 1.2rem;
  margin-bottom: .6rem;
}

.lab-card p {
  color: var(--text-secondary);
  font-size: .95rem;
  line-height: 1.7;
}

/* Badge "Coming Soon" */
.badge-coming-soon {
  position: absolute;
  top: 1rem; right: 1rem;
  background: var(--gradient-accent);
  color: #fff;
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  padding: .35rem .9rem;
  border-radius: 50px;
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  box-shadow: 0 4px 14px var(--accent-glow);
  animation: pulse-badge 2s ease-in-out infinite;
}

@keyframes pulse-badge {
  0%, 100% { box-shadow: 0 4px 14px var(--accent-glow); }
  50%      { box-shadow: 0 4px 28px var(--accent-glow); }
}

.lab-card--coming-soon {
  border-color: rgba(233, 69, 96, .25);
}

/* ============================================================
   CONTATTI
   ============================================================ */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 3rem;
  align-items: start;
}

/* Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}

.form-group label {
  display: block;
  font-size: .85rem;
  font-weight: 600;
  margin-bottom: .4rem;
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  padding: .85rem 1rem;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: .95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.btn-submit {
  align-self: flex-start;
}

/* Social sidebar */
.contact-social h3 {
  font-size: 1.2rem;
  margin-bottom: 1.4rem;
}

.social-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.social-link {
  display: flex;
  align-items: center;
  gap: .85rem;
  padding: 1rem 1.2rem;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  font-size: .95rem;
  color: var(--text-secondary);
}

.social-link i {
  font-size: 1.3rem;
  color: var(--accent);
  width: 24px;
  text-align: center;
}

.social-link:hover {
  border-color: var(--accent);
  background: rgba(233, 69, 96, .06);
  color: var(--text-primary);
  transform: translateX(6px);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border-subtle);
  text-align: center;
}

.footer p {
  font-size: .85rem;
  color: var(--text-muted);
}

.footer-sub {
  margin-top: .35rem;
  font-size: .8rem !important;
}

/* ============================================================
   BACK TO TOP
   ============================================================ */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  box-shadow: 0 4px 16px var(--accent-glow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all var(--transition);
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-3px) scale(1.08);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

/* ── Tablet (≤ 900px) ─────────────────────────────────────── */
@media (max-width: 900px) {
  .contact-wrapper {
    grid-template-columns: 1fr;
  }

  .infra-screenshots {
    grid-template-columns: 1fr;
  }
}

/* ── Mobile (≤ 768px) ─────────────────────────────────────── */
@media (max-width: 768px) {
  :root {
    --section-py: 4rem;
  }

  /* Hamburger visibile */
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 64px; left: 0; right: 0;
    background: rgba(10, 10, 15, .97);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: center;
    gap: 0;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-subtle);
    transform: translateY(-110%);
    transition: transform var(--transition);
  }

  .nav-links.open {
    transform: translateY(0);
  }

  .nav-links li {
    width: 100%;
    text-align: center;
  }

  .nav-links a {
    display: block;
    padding: .9rem 0;
    font-size: 1rem;
  }

  /* Hamburger animazione → X */
  .nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  /* Progetti griglia a colonna singola */
  .showcase-grid {
    grid-template-columns: 1fr;
  }

  .lab-grid {
    grid-template-columns: 1fr;
  }

  .hero-name {
    font-size: clamp(2rem, 10vw, 3rem);
  }
}

/* ── Small mobile (≤ 480px) ───────────────────────────────── */
@media (max-width: 480px) {
  .btn {
    padding: .75rem 1.4rem;
    font-size: .9rem;
  }

  .project-info {
    padding: 1.2rem;
  }

  .lab-card {
    padding: 1.4rem;
  }
}

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a[href^="https://www.netlify.com"], #netlify-badge, .netlify-badge { display: none !important; }