/* ============================================================
   CSS CUSTOM PROPERTIES — DARK MODE (Obsidian & Warm Amber)
   ============================================================ */
:root {
  /* Backgrounds */
  --bg-primary: #09090b;
  --bg-gradient: linear-gradient(160deg, #09090b 0%, #18181b 40%, #09090b 70%, #050507 100%);
  --card-bg: rgba(24, 24, 27, 0.7);
  --card-bg-hover: rgba(39, 39, 42, 0.85);
  --navbar-bg: rgba(9, 9, 11, 0.88);
  --overlay-bg: linear-gradient(160deg, #18181b, #09090b);
  --footer-bg: #050507;
  --img-placeholder-bg: linear-gradient(135deg, rgba(39, 39, 42, 0.6) 0%, rgba(24, 24, 27, 0.8) 100%);

  /* Text */
  --text-primary: #f4f4f5;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;

  /* Borders */
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-card: rgba(255, 255, 255, 0.09);
  --border-hover: rgba(245, 158, 11, 0.4);

  /* Accent (Warm Amber / Gold) */
  --accent-color: #f59e0b;
  --accent-hover: #fbbf24;
  --accent-text: #09090b;

  /* Interactive */
  --btn-glass-bg: rgba(24, 24, 27, 0.9);
  --btn-glass-hover: rgba(39, 39, 42, 1);
  --btn-glass-border: rgba(255, 255, 255, 0.15);
  --overlay-item-active-text: #09090b;

  /* Shadows */
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-card-hover: 0 16px 40px rgba(0, 0, 0, 0.7);
  --shadow-img: 0 10px 30px rgba(0, 0, 0, 0.6);

  /* Section number labels */
  --section-num-color: var(--accent-color);

  /* Geometry */
  --card-radius: 18px;
  --pill-radius: 50px;
  --section-gap: 3rem;
  --card-padding: 2rem;
  --transition-speed: 0.3s;
}

/* ============================================================
   LIGHT MODE OVERRIDES
   ============================================================ */
[data-theme="light"] {
  --bg-primary: #f5f0e8;
  --bg-gradient: #f5f0e8;
  --card-bg: #ffffff;
  --card-bg-hover: #f8f5ff;
  --navbar-bg: rgba(245, 240, 232, 0.92);
  --overlay-bg: #f5f0e8;
  --footer-bg: #1a1a1a;
  --img-placeholder-bg: linear-gradient(135deg, #e8e2f5 0%, #d5cce8 100%);

  --text-primary: #1a1a1a;
  --text-secondary: #4a4a5a;
  --text-muted: #7a7a8a;

  --border-subtle: rgba(0, 0, 0, 0.07);
  --border-card: rgba(0, 0, 0, 0.09);
  --border-hover: rgba(217, 119, 6, 0.35);

  --accent-color: #d97706;
  --accent-hover: #b45309;
  --accent-text: #ffffff;

  --btn-glass-bg: rgba(255, 255, 255, 0.9);
  --btn-glass-hover: rgba(248, 245, 255, 1);
  --btn-glass-border: rgba(0, 0, 0, 0.15);
  --overlay-item-active-text: #f5f0e8;

  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.08);
  --shadow-card-hover: 0 12px 36px rgba(0, 0, 0, 0.13);
  --shadow-img: 0 8px 24px rgba(0, 0, 0, 0.10);

  --section-num-color: var(--accent-color);
}

/* Theme transition — smooth on toggle */
*,
*::before,
*::after {
  transition: background-color 0.35s ease, border-color 0.35s ease, color 0.35s ease,
    box-shadow 0.35s ease;
}

/* ============================================================
   GLOBAL RESETS
   ============================================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg-gradient);
  background-attachment: fixed;
  font-family: var(--font-body);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.65;
}

[data-theme="light"] body {
  background-attachment: scroll;
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(28px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeInUp 0.7s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* ============================================================
   TYPOGRAPHY BASE
   ============================================================ */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

p {
  font-weight: 400;
  color: var(--text-secondary);
}

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

/* ============================================================
   NAVBAR & NAV ITEMS (Stile Neo-Retro / Hard-Shadow)
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 70px;
  background-color: var(--navbar-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 2px solid var(--text-primary);
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5%;
}

.nav-logo {
  font-family: var(--font-logo);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.nav-menu {
  display: flex;
  list-style: none;
  align-items: center;
  gap: 0.75rem;
}

.nav-item a {
  padding: 0.45rem 1.1rem;
  border-radius: 10px;
  font-size: 0.9rem;
  font-family: var(--font-body);
  font-weight: 700;
  letter-spacing: 0.03em;
  background-color: var(--card-bg);
  border: 2px solid var(--text-primary);
  color: var(--text-primary);
  box-shadow: 3px 3px 0px var(--text-primary);
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

.nav-item a:hover,
.nav-item a.active {
  background-color: var(--accent-color);
  border-color: var(--text-primary);
  color: var(--accent-text);
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0px var(--text-primary);
}

.nav-item a:active {
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0px var(--text-primary);
}

/* ---- Theme Toggle Button (Navbar) ---- */
.theme-toggle-btn {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background-color: var(--card-bg);
  border: 2px solid var(--text-primary);
  color: var(--text-primary);
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 3px 3px 0px var(--text-primary);
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
  flex-shrink: 0;
}

.theme-toggle-btn:hover {
  background-color: var(--accent-color);
  color: var(--accent-text);
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0px var(--text-primary);
}

.theme-toggle-btn:active {
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0px var(--text-primary);
}

/* ============================================================
   HAMBURGER BUTTON
   ============================================================ */
.hamburger-btn {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background-color: var(--card-bg);
  border: 2px solid var(--text-primary);
  color: var(--text-primary);
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 1001;
  box-shadow: 3px 3px 0px var(--text-primary);
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

.hamburger-btn:hover {
  background-color: var(--accent-color);
  color: var(--accent-text);
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0px var(--text-primary);
}

/* ============================================================
   MOBILE OVERLAY NAV
   ============================================================ */
.nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--overlay-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-speed) ease;
  padding: 2rem;
}

[data-theme="light"] .nav-overlay {
  border-bottom: none;
}

.nav-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.overlay-menu {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  text-align: center;
  width: 100%;
  max-width: 340px;
}

.overlay-item a {
  display: block;
  padding: 1rem 2rem;
  font-size: 2rem;
  font-family: var(--font-heading);
  font-weight: 400;
  letter-spacing: 0.05em;
  border-radius: 14px;
  border: 2px solid var(--text-primary);
  background-color: var(--card-bg);
  color: var(--text-primary);
  box-shadow: 4px 4px 0px var(--text-primary);
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

.overlay-item a:hover,
.overlay-item a.active {
  background-color: var(--accent-color);
  color: var(--accent-text);
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0px var(--text-primary);
}

/* Theme toggle inside overlay (mobile) */
.overlay-theme-toggle {
  margin-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  font-size: 1rem;
  font-family: var(--font-body);
  font-weight: 700;
  color: var(--text-primary);
  cursor: pointer;
  background: var(--card-bg);
  border: 2px solid var(--text-primary);
  border-radius: 12px;
  padding: 0.85rem 1.8rem;
  box-shadow: 4px 4px 0px var(--text-primary);
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

.overlay-theme-toggle:hover {
  background-color: var(--accent-color);
  color: var(--accent-text);
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0px var(--text-primary);
}

.overlay-theme-toggle i {
  font-size: 1.1rem;
}

/* ============================================================
   LAYOUT CONTAINER & HERO BANNER
   ============================================================ */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--section-gap) 1.5rem;
}

.hero-banner {
  background: var(--card-bg);
  border-radius: var(--card-radius);
  border: 1px solid var(--border-card);
  padding: var(--card-padding);
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  margin-top: 100px;
}

.hero-title {
  font-size: 4rem;
  color: var(--text-primary);
  margin-bottom: 0.6rem;
  font-weight: 400;
  letter-spacing: 0.05em;
}

.hero-subtitle {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ============================================================
   SECTION TITLES
   ============================================================ */
.section-header {
  margin: var(--section-gap) 0 1.5rem 0;
}

.section-num {
  display: block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--section-num-color);
  margin-bottom: 0.35rem;
}

.section-title {
  font-size: 2.4rem;
  color: var(--text-primary);
  display: inline-block;
  position: relative;
  letter-spacing: 0.05em;
}

.section-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -5px;
  width: 36px;
  height: 2.5px;
  background-color: var(--accent-color);
  border-radius: 2px;
}

/* ============================================================
   CARDS (Stile originale ripristinato)
   ============================================================ */
.card {
  background: var(--card-bg);
  border-radius: var(--card-radius);
  border: 1px solid var(--border-card);
  padding: var(--card-padding);
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: transform var(--transition-speed) cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow var(--transition-speed) ease;
}

.card:hover {
  box-shadow: var(--shadow-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-4px);
}

/* ============================================================
   HORIZONTAL SCROLL ROWS & CARDS
   ============================================================ */
.scroll-row {
  display: flex;
  overflow-x: auto;
  gap: 16px;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  padding-bottom: 1rem;
}

.scroll-row::-webkit-scrollbar {
  display: none;
}

.scroll-card {
  scroll-snap-align: start;
  flex: 0 0 auto;
  border-radius: var(--card-radius);
  background: var(--card-bg);
  border: 1px solid var(--border-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-speed) ease,
    box-shadow var(--transition-speed) ease,
    border-color var(--transition-speed) ease;
}

.scroll-card:hover {
  box-shadow: var(--shadow-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-5px);
}

.scroll-card-img-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.scroll-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
  display: block;
}

.scroll-card:hover img {
  transform: scale(1.06);
}

.scroll-card-content {
  padding: 1.2rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.scroll-card-title {
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--text-primary);
  font-family: var(--font-heading);
  letter-spacing: 0.05em;
  line-height: 1.2;
}

/* ============================================================
   EXPERIENCE & TECH LOGO CIRCLES (Stile originale)
   ============================================================ */
.logo-circle-wrapper {
  scroll-snap-align: start;
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.75rem;
}

.logo-circle {
  width: 90px;         /* Diametro fisso e pulito */
  height: 90px;
  aspect-ratio: 1 / 1;
  border-radius: 50% !important; /* Forza il cerchio perfetto */
  background-color: var(--card-bg-hover);
  border: 2px solid var(--border-card);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
  overflow: hidden;
}

[data-theme="light"] .logo-circle {
  background-color: #ffffff;
}

.logo-circle img {
  width: 68%;
  height: 68%;
  object-fit: contain;
}

.logo-label {
  font-size: 0.87rem;
  font-weight: 500;
  color: var(--text-secondary);
  max-width: 140px;
}

/* ============================================================
   IMAGE PLACEHOLDERS
   ============================================================ */
.img-placeholder {
  width: 100%;
  height: 100%;
  background: var(--img-placeholder-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-family: var(--font-body);
  text-align: center;
  padding: 1rem;
}

/* ============================================================
   PROJECT DETAIL PAGES
   ============================================================ */
.project-detail-hero {
  text-align: center;
  padding: 3rem 0;
}

.project-detail-title {
  font-size: 3.5rem;
  font-family: var(--font-heading);
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  line-height: 1.15;
  margin-bottom: 2rem;
}

.project-detail-image-container {
  width: 100%;
  border-radius: var(--card-radius);
  overflow: hidden;
  border: 1px solid var(--border-card);
  box-shadow: var(--shadow-img);
  margin-bottom: 2rem;
  aspect-ratio: 16 / 9;
}

.project-detail-image-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-detail-body {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-secondary);
  text-align: justify;
}

.project-detail-body p {
  margin-bottom: 1.5rem;
}

.project-detail-body p strong {
  font-weight: 600;
  color: var(--text-primary);
}

/* ============================================================
   BACK BUTTON (project detail mobile)
   ============================================================ */
.btn-back {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background-color: var(--card-bg);
  border: 2px solid var(--text-primary);
  color: var(--text-primary);
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 3px 3px 0px var(--text-primary);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn-back:hover {
  background-color: var(--accent-color);
  color: var(--accent-text);
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0px var(--text-primary);
}

/* ============================================================
   BUTTONS (Stile Neo-Retro / Hard Shadow)
   ============================================================ */
.btn-style {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.85rem 1.8rem;
  border-radius: 12px;
  background-color: var(--text-primary);
  color: var(--bg-primary);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.92rem;
  border: 2px solid var(--text-primary);
  cursor: pointer;
  box-shadow: 4px 4px 0px var(--accent-color);
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

.btn-style:hover {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
  color: var(--bg-primary);
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0px var(--text-primary);
}

.btn-style:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0px var(--accent-color);
}

.btn-secondary-style {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.85rem 1.8rem;
  border-radius: 12px;
  background-color: var(--card-bg);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.92rem;
  border: 2px solid var(--text-primary);
  cursor: pointer;
  box-shadow: 4px 4px 0px var(--text-primary);
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

.btn-secondary-style:hover {
  background-color: var(--card-bg-hover);
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0px var(--accent-color);
  border-color: var(--accent-color);
}

.btn-secondary-style:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0px var(--text-primary);
}

.btn-style i,
.btn-secondary-style i {
  font-size: 0.92rem;
}

/* ============================================================
   READ MORE INDICATOR
   ============================================================ */
.read-more-indicator {
  display: inline-block;
  margin-top: 0.75rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-color);
  letter-spacing: 0.03em;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background-color: var(--footer-bg);
  border-top: 1px solid var(--border-subtle);
  padding: 2.5rem 5%;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

[data-theme="light"] .footer {
  color: #c0c0c8;
}

[data-theme="light"] .footer p,
[data-theme="light"] .footer span {
  color: #a0a0b0;
}

.footer-logo {
  font-family: var(--font-logo);
  font-size: 1.8rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.4rem;
}

.footer-subtitle {
  font-weight: 500;
  color: #d0d0e0;
}

.footer-info {
  margin-bottom: 1.5rem;
}

.footer-copyright {
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  padding-top: 1rem;
  margin-top: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn-license {
  font-size: 0.78rem;
  padding: 0.35rem 0.9rem;
  border-radius: var(--pill-radius);
  border: 1px solid rgba(255, 255, 255, 0.18);
  background-color: transparent;
  color: #a0a0b0;
  transition: background-color var(--transition-speed) ease,
    color var(--transition-speed) ease;
}

.btn-license:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

.tech-pill {
  font-size: 0.72rem;
  font-family: var(--font-body, monospace);
  padding: 0.2rem 0.55rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--accent-color);
  /* Usa direttamente il colore d'accento (ambra) */
  opacity: 0.85;
  /* Leggermente trasparente per un look elegante */
  border-radius: 4px;
  color: var(--text-primary);
  font-weight: 500;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.scroll-card:hover .tech-pill {
  opacity: 1;
  transform: translateY(-1px);
}
/* ============================================================
   CV REQUEST MODAL STYLES
   ============================================================ */
.cv-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  padding: 1rem;
}

.cv-modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.cv-modal-card {
  background: var(--card-bg);
  border: 2px solid var(--text-primary);
  border-radius: var(--card-radius);
  padding: 2rem;
  width: 100%;
  max-width: 420px;
  box-shadow: 6px 6px 0px var(--accent-color);
  transform: translateY(20px);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.cv-modal-overlay.open .cv-modal-card {
  transform: translateY(0);
}