/* ===========================
   CSS Custom Properties
   =========================== */
:root {
  --bg: #EBEBEC;
  --bg-alt: #ffffff;
  --text-primary: #1a1a1a;
  --text-secondary: #666666;
  --surface: #ffffff;
  --border: #e5e5e5;
  --accent: #4ade80;
  --accent-hover: #22c55e;
  --shadow: 0 2px 20px rgba(0,0,0,0.06);
  --shadow-card: 0 4px 24px rgba(0,0,0,0.08);
  --navbar-bg: rgba(255,255,255,0.75);
  --toggle-bg: #e5e5e5;
  --toggle-knob: #ffffff;
  --modal-bg: rgba(0,0,0,0.45);
  --overlay: rgba(0,0,0,0.5);

  /* card pastels light */
  --card1-bg: #d1fae5;
  --card2-bg: #dbeafe;
  --card3-bg: #fce7f3;
  --card4-bg: #fef9c3;
  --card5-bg: #ede9fe;
}

body.dark {
  --bg: #0a0a0a;
  --bg-alt: #1a1a1a;
  --text-primary: #f5f5f5;
  --text-secondary: #999999;
  --surface: #1a1a1a;
  --border: #2a2a2a;
  --accent: #4ade80;
  --accent-hover: #86efac;
  --shadow: 0 2px 20px rgba(0,0,0,0.4);
  --shadow-card: 0 4px 24px rgba(0,0,0,0.5);
  --navbar-bg: rgba(10,10,10,0.75);
  --toggle-bg: #333333;
  --toggle-knob: #0a0a0a;
  --modal-bg: rgba(0,0,0,0.7);

  /* card pastels dark */
  --card1-bg: #064e3b;
  --card2-bg: #1e3a5f;
  --card3-bg: #4a1942;
  --card4-bg: #3d3400;
  --card5-bg: #2d1b69;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  background-color: var(--bg);
  color: var(--text-primary);
  line-height: 1.6;
  transition: background-color 0.4s ease, color 0.4s ease;
  overflow-x: clip; /* clip non crea scroll container — evita di rompere position:sticky */
}

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

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

/* ===========================
   Typography
   =========================== */
h1, h2, h3 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  line-height: 1.1;
}

h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin-bottom: 2.5rem;
}

/* ===========================
   Navbar
   =========================== */
.navbar {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  background: var(--navbar-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 0.5rem 1.5rem 0.5rem 0.65rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transition: background 0.4s ease, border-color 0.4s ease;
  box-shadow: var(--shadow);
}

.nav-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--border);
  flex-shrink: 0;
  display: block;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 0.25rem;
  align-items: center;
}

.nav-links a {
  font-family: 'Syne', sans-serif;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 0.45rem 1rem;
  border-radius: 30px;
  transition: color 0.3s ease, background 0.3s ease;
  white-space: nowrap;
}

.nav-links a:hover,
.nav-links a:focus {
  color: var(--text-primary);
  background: var(--border);
  outline: none;
}

/* Hamburger */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
  border-radius: 10px;
  color: var(--text-primary);
  transition: color 0.3s ease;
}

.nav-toggle svg {
  display: block;
}

/* ===========================
   Sticky Controls
   =========================== */
/* Dark mode toggle — bottom right */
.theme-toggle {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 1001;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 0.5rem 0.75rem;
  cursor: pointer;
  box-shadow: var(--shadow-card);
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.theme-toggle:hover {
  box-shadow: 0 6px 28px rgba(0,0,0,0.14);
}

.theme-icon {
  font-size: 1rem;
  line-height: 1;
}

.toggle-pill {
  width: 40px;
  height: 22px;
  background: var(--toggle-bg);
  border-radius: 20px;
  position: relative;
  transition: background 0.3s ease;
  flex-shrink: 0;
}

.toggle-pill::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  background: var(--accent);
  border-radius: 50%;
  transition: transform 0.3s ease;
}

body.dark .toggle-pill::after {
  transform: translateX(18px);
}

/* Hero photo container (relative wrapper for wave btn) */
.hero-photo-container {
  position: relative;
  display: inline-block;
}

/* Emoji wave button — absolute inside hero photo */
.wave-btn {
  position: absolute;
  bottom: -18px;
  left: -18px;
  z-index: 2;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.3s ease;
}

.wave-btn:hover {
  box-shadow: 0 6px 28px rgba(0,0,0,0.14);
}

.wave-emoji {
  display: inline-block;
  animation: wave 2.2s ease-in-out infinite;
  transform-origin: 70% 80%;
}

@keyframes wave {
  0%, 100% { transform: rotate(0deg); }
  15% { transform: rotate(18deg); }
  30% { transform: rotate(-10deg); }
  45% { transform: rotate(14deg); }
  60% { transform: rotate(-6deg); }
  75% { transform: rotate(8deg); }
}

@keyframes bubblePulse {
  0%   { opacity: 0; transform: translateY(8px) scale(0.9); }
  10%  { opacity: 1; transform: translateY(0) scale(1); }
  30%  { opacity: 1; transform: translateY(0) scale(1); }
  40%  { opacity: 0; transform: translateY(-5px) scale(0.95); }
  100% { opacity: 0; transform: translateY(-5px) scale(0.95); }
}

.wave-bubble {
  position: absolute;
  bottom: 40px;
  left: -10px;
  background: var(--accent);
  color: #0a0a0a;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: 16px 16px 16px 4px;
  white-space: nowrap;
  z-index: 3;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  pointer-events: none;
  animation: bubblePulse 5s ease-in-out infinite;
}

/* ===========================
   Modal (Contact)
   =========================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--modal-bg);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

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

.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 2.5rem;
  width: 100%;
  max-width: 460px;
  position: relative;
  transform: translateY(16px) scale(0.97);
  transition: transform 0.3s ease;
  box-shadow: 0 24px 60px rgba(0,0,0,0.2);
}

.modal-overlay.open .modal {
  transform: translateY(0) scale(1);
}

.modal-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 1.25rem;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.3s, background 0.3s;
}

.modal-close:hover {
  color: var(--text-primary);
  background: var(--border);
}

.modal h3 {
  font-size: 1.6rem;
  margin-bottom: 1.5rem;
}

.modal-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.modal-form label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 0.3rem;
}

.modal-form input,
.modal-form textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.95rem;
  transition: border-color 0.3s ease;
  outline: none;
}

.modal-form input:focus,
.modal-form textarea:focus {
  border-color: var(--accent);
}

.modal-form textarea {
  resize: vertical;
  min-height: 100px;
}

.btn-send {
  width: 100%;
  padding: 0.85rem;
  background: var(--accent);
  color: #0a0a0a;
  border: none;
  border-radius: 20px;
  font-family: 'Syne', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.3s ease, transform 0.2s ease;
  margin-top: 0.5rem;
}

.btn-send:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

/* ===========================
   Sections shared
   =========================== */
section {
  padding: 6rem 1.5rem;
  margin: 12px;
  border-radius: 24px;
  overflow: clip;
  background: var(--bg-alt);
}

/* ===========================
   Hero
   =========================== */
#home {
  padding-top: 8rem;
  padding-bottom: 5rem;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3.5rem;
  align-items: center;
  width: 100%;
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
}

.hero-text {
  max-width: 580px;
}

.hero-name {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(2.6rem, 5vw, 4.2rem);
  color: var(--text-primary);
  line-height: 1.05;
  margin-bottom: 0.6rem;
  letter-spacing: -0.02em;
}

.hero-role {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1rem, 2vw, 1.3rem);
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 1.25rem;
  letter-spacing: 0.02em;
}

.hero-intro {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.7;
  max-width: 480px;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.75rem;
  border-radius: 22px;
  font-family: 'Syne', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--accent);
  color: #0a0a0a;
  border-color: var(--accent);
}

.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.hero-photo-wrap {
  flex-shrink: 0;
  /* extra space for wave-btn that overflows bottom */
  padding-bottom: 20px;
}

.hero-photo {
  width: clamp(220px, 28vw, 340px);
  height: clamp(260px, 34vw, 400px);
  object-fit: cover;
  border-radius: 28px;
  border: 2px solid var(--accent);
  box-shadow: 0 12px 40px rgba(74, 222, 128, 0.15), var(--shadow-card);
  transition: box-shadow 0.3s ease;
}

.hero-photo:hover {
  box-shadow: 0 18px 50px rgba(74, 222, 128, 0.25), var(--shadow-card);
}

/* ===========================
   Competenze (Accordion)
   =========================== */
#competenze {
  background: var(--bg-alt);
  padding: 6rem 1.5rem;
}

.competenze-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.chi-sono-text p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 1.25rem;
}

.chi-sono-text p:last-child {
  margin-bottom: 0;
}

/* Competenze — Card container */
.comp-card-left,
.comp-card-right {
  border-radius: 22px;
  padding: 2.5rem;
  border: 1px solid var(--border);
  opacity: 0;
}

.comp-card-left  { background: #f0f0f0; transform: translateX(-60px); position: sticky; top: 100px; align-self: start; }
.comp-card-right { background: #e8f5e9; transform: translateX(60px); }

body.dark .comp-card-left  { background: #1a1a1a; }
body.dark .comp-card-right { background: #1a2e1a; }

/* Entry animations */
.comp-card-left.visible  { animation: compSlideLeft  0.6s ease-out forwards; }
.comp-card-right.visible { animation: compSlideRight 0.6s ease-out forwards; }

@keyframes compSlideLeft {
  from { opacity: 0; transform: translateX(-60px); }
  to   { opacity: 1; transform: none; }
}

@keyframes compSlideRight {
  from { opacity: 0; transform: translateX(60px); }
  to   { opacity: 1; transform: none; }
}

@keyframes compSlideUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: none; }
}

/* Settled state — stabilises after entry, enables snappy hover */
.comp-settled {
  opacity: 1;
  transform: none;
  transition: box-shadow 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
}

.comp-settled:hover {
  transform: scale(1.02);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.13);
  border-color: var(--accent);
}

/* Mobile: both cards enter from below — handled in the unified mobile media query below */

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

.accordion-item {
  border-top: 1px solid var(--border);
}

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

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.4rem 0;
  background: transparent;
  cursor: pointer;
  user-select: none;
  border: none;
  width: 100%;
  text-align: left;
  transition: opacity 0.2s ease;
}

.accordion-header:hover {
  opacity: 0.72;
}

.accordion-title {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.1rem;
}

.accordion-num {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.accordion-title-text {
  font-family: 'Syne', sans-serif;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: -0.01em;
  line-height: 1.1;
  transition: color 0.3s ease;
}

.accordion-header:hover .accordion-title-text {
  color: var(--accent);
}

.accordion-item.open .accordion-title-text {
  color: var(--accent);
}

.accordion-arrow {
  color: var(--text-secondary);
  transition: transform 0.3s ease, color 0.3s ease;
  flex-shrink: 0;
  width: 22px;
  height: 22px;
}

.accordion-item.open .accordion-arrow {
  transform: rotate(180deg);
  color: var(--accent);
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.accordion-item.open .accordion-body {
  max-height: 400px;
}

.accordion-content {
  padding: 0.1rem 0 1.75rem 0;
}

.accordion-content ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.accordion-content li {
  font-size: 0.95rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding-left: 0;
  position: static;
}

.accordion-content li::before {
  content: '✓';
  min-width: 20px;
  width: 20px;
  height: 20px;
  border: 1.5px solid var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6rem;
  font-weight: 800;
  color: var(--accent);
  flex-shrink: 0;
  line-height: 1;
}

/* ===========================
   Progetti (Stacked Flip Cards)
   =========================== */
.projects-stack {
  max-width: 900px;
  margin: 0 auto;
}

.card-wrap {
  position: -webkit-sticky;
  position: sticky;
  height: 460px;
  margin-bottom: 1.5rem;
  perspective: 1200px;
  border-radius: 24px;
}

.cf-cards .card-wrap:nth-child(1) { top: 80px;  z-index: 1; }
.cf-cards .card-wrap:nth-child(2) { top: 100px; z-index: 2; }
.cf-cards .card-wrap:nth-child(3) { top: 120px; z-index: 3; }
.cf-cards .card-wrap:nth-child(4) { top: 140px; z-index: 4; }
.cf-cards .card-wrap:nth-child(5) { top: 160px; z-index: 5; }

.card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
}

.card-wrap.flipped .card-inner {
  transform: rotateY(180deg);
}

.card-front,
.card-back {
  position: absolute;
  inset: 0;
  border-radius: 22px;
  padding: 2rem;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.card-front {
  border: 1px solid transparent;
  box-shadow: 0 8px 32px rgba(0,0,0,0.10), 0 2px 8px rgba(0,0,0,0.06);
}

.card-back {
  transform: rotateY(180deg);
  background: var(--surface) !important;
  border: 1px solid var(--border);
  justify-content: center;
}

.card-wrap:nth-child(1) .card-front { background: var(--card1-bg); }
.card-wrap:nth-child(2) .card-front { background: var(--card2-bg); }
.card-wrap:nth-child(3) .card-front { background: var(--card3-bg); }
.card-wrap:nth-child(4) .card-front { background: var(--card4-bg); }
.card-wrap:nth-child(5) .card-front { background: var(--card5-bg); }

.card-num {
  font-family: 'Syne', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.card-front .card-num {
  position: absolute;
  top: 1.2rem;
  left: 1.4rem;
  color: var(--text-secondary);
  margin-bottom: 0;
}

.card-title {
  font-family: 'Syne', sans-serif;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.3rem;
}

.card-front .card-title {
  color: var(--text-primary);
}

.card-tagline {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.card-front .card-tagline {
  color: var(--text-secondary);
}

@keyframes nudge {
  0%, 100% { transform: translateX(0); }
  50%       { transform: translateX(-5px); }
}

.card-flip-hint {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(0,0,0,0.35);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 0.4rem 1rem;
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.2);
}

.card-flip-hint .hint-emoji {
  font-size: 1.3rem;
  animation: nudge 1.5s ease-in-out infinite;
  line-height: 1;
}

.card-flip-hint .hint-text {
  font-size: 0.75rem;
  font-weight: 600;
  color: #ffffff;
}

.card-front .card-flip-hint {
  opacity: 1;
}

.card-logo {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -60%);
  width: 62%;
  max-height: 110px;
  object-fit: contain;
}

.card-back-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.card-tag {
  display: inline-block;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 0.3rem 0.85rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  align-self: flex-start;
  margin-top: auto;
}


/* ===========================
   Formazione & Extra
   =========================== */
#formazione {
  background: var(--bg-alt);
  padding: 6rem 1.5rem;
}

.formazione-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.formazione-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.formazione-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 2rem 2.25rem;
  transition: box-shadow 0.3s ease;
}

.formazione-card:hover {
  box-shadow: var(--shadow-card);
}

.formazione-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.35rem;
  color: var(--text-primary);
}

.formazione-card .subtitle {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 1rem;
}

.formazione-card p {
  font-size: 0.93rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.formazione-card .book-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 1.25rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 20px;
  padding: 0.4rem 1rem;
  transition: background 0.3s ease, color 0.3s ease;
}

.formazione-card .book-link:hover {
  background: var(--accent);
  color: #0a0a0a;
}

/* ===========================
   Footer / Contatti
   =========================== */
#contatti {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 4.5rem 1.5rem 3rem;
  border-radius: 24px;
  margin: 12px;
  margin-bottom: 0;
  overflow: clip;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 3rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.footer-name {
  font-family: 'Syne', sans-serif;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.footer-tagline {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.footer-contacts {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.92rem;
  color: var(--text-secondary);
  transition: color 0.3s ease;
}

.footer-contact-item:hover {
  color: var(--accent);
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.footer-cv-btn {
  margin-top: 1.5rem;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.footer-bottom p {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

/* ===========================
   Scroll Animations
   =========================== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }


/* ===========================
   Focus States (Accessibility)
   =========================== */
*:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ===========================
   Hero Bio — riga separata a tutta larghezza
   =========================== */
.hero-bio-wrapper {
  grid-column: 1 / -1;
  width: 100%;
  margin-top: 3rem;
}

.hero-bio-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.3rem, 2.5vw, 1.7rem);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}

.hero-bio-boxes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.hero-bio-box {
  background: #f0f0f0;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2rem;
}

body.dark .hero-bio-box {
  background: #1a1a1a;
}

/* Slide-in initial state */
.hero-bio-box-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out,
              background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.hero-bio-box-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.6s ease-out 0.2s, transform 0.6s ease-out 0.2s,
              background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.hero-bio-box.bio-box-visible {
  opacity: 1;
  transform: translateX(0);
}

/* Hover illumination */
.hero-bio-box:hover {
  border-color: #4ade80;
  box-shadow: 0 0 20px rgba(74, 222, 128, 0.15), 0 0 40px rgba(74, 222, 128, 0.08);
  background: #ffffff;
  transform: scale(1.01);
  transition: background 0.3s ease, border-color 0.3s ease,
              box-shadow 0.3s ease, transform 0.3s ease;
}

body.dark .hero-bio-box:hover {
  background: #222222;
}

.hero-bio-box-title {
  font-size: 0.97rem;
  line-height: 1.5;
  margin: 0;
}

.bio-reveal-content {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.6s ease, opacity 0.5s ease;
}

.bio-reveal-content.bio-open {
  max-height: 600px;
  opacity: 1;
}

.hero-bio-box-right .bio-reveal-content {
  transition: max-height 0.6s ease 0.3s, opacity 0.5s ease 0.3s;
}

.bio-reveal-content p,
.bio-reveal-content ul {
  font-size: 0.97rem;
  color: var(--text-secondary);
  line-height: 1.78;
  margin-bottom: 1rem;
}

.bio-reveal-content > *:first-child {
  margin-top: 0.75rem;
}

.bio-reveal-content > *:last-child {
  margin-bottom: 0;
}

/* ===========================
   Sezione Unificata — Cosa so fare e con chi l'ho fatto
   =========================== */
#cosa-faccio {
  background: var(--bg-alt);
  padding: 6rem 1.5rem;
  overflow: visible;
}

.cosa-faccio-inner {
  max-width: 1100px;
  margin: 0 auto;
}

/* Label piccola sopra le colonne */
.cf-label {
  font-family: 'Syne', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 2rem;
}

.cosa-faccio-layout {
  display: grid;
  grid-template-columns: 45% 55%;
  gap: 3rem;
  align-items: start;
}

/* Titolo di ogni colonna */
.cf-col-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

/* Colonna sinistra — accordion sticky */
.cf-left {
  position: -webkit-sticky;
  position: sticky;
  top: 100px;
  align-self: start;
}

/* Colonna destra — wrapper cards */
.cf-right {
  display: flex;
  flex-direction: column;
}

.cf-cards {
  display: flex;
  flex-direction: column;
}

.cf-cards .card-wrap {
  position: -webkit-sticky;
  position: sticky;
  height: 380px;
  margin-bottom: 1.5rem;
  perspective: 1200px;
  border-radius: 24px;
}

/* Colori fissi card (uguali in light e dark mode) */
.card-academе .card-front { background: #ff0048 !important; }
.card-me      .card-front { background: #f17171 !important; }
.card-heracles .card-front { background: #000000 !important; border: 1px solid #333 !important; }
.card-sensorio .card-front { background: #063d3c !important; }
.card-doing   .card-front { background: #000000 !important; border: 1px solid #333 !important; }

/* Testo bianco su tutte le card colorate */
.card-academе .card-front .card-title,
.card-me      .card-front .card-title,
.card-heracles .card-front .card-title,
.card-sensorio .card-front .card-title,
.card-doing   .card-front .card-title { color: #ffffff; }

.card-academе .card-front .card-tagline,
.card-me      .card-front .card-tagline,
.card-heracles .card-front .card-tagline,
.card-sensorio .card-front .card-tagline,
.card-doing   .card-front .card-tagline { color: rgba(255,255,255,0.8); }

.card-academе .card-front .card-num,
.card-me      .card-front .card-num,
.card-heracles .card-front .card-num,
.card-sensorio .card-front .card-num,
.card-doing   .card-front .card-num { color: rgba(255,255,255,0.65); }

.card-academе .card-front .card-flip-hint,
.card-me      .card-front .card-flip-hint,
.card-heracles .card-front .card-flip-hint,
.card-sensorio .card-front .card-flip-hint,
.card-doing   .card-front .card-flip-hint { color: inherit; }

/* ===========================
   Responsive — Tablet
   =========================== */
@media (max-width: 1024px) {
  .hero-inner {
    gap: 2rem;
  }

  .hero-photo {
    width: clamp(180px, 24vw, 280px);
    height: clamp(210px, 28vw, 330px);
  }

  .hero-bio-box {
    padding: 1.5rem;
  }

  .cosa-faccio-layout {
    grid-template-columns: 1fr;
  }

  .cf-left {
    position: static;
  }

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

  .competenze-inner {
    grid-template-columns: 1fr;
  }
}

/* ===========================
   Responsive — Mobile
   =========================== */
@media (max-width: 767px) {
  section,
  #contatti {
    border-radius: 16px;
    margin: 8px;
  }

  #contatti {
    margin-bottom: 0;
  }

  /* --- Navbar --- */
  .navbar {
    top: 0.75rem;
    padding: 0.6rem 1rem;
    width: calc(100% - 2rem);
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: calc(100% + 0.75rem);
    left: 0;
    right: 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 20px;
    flex-direction: column;
    padding: 0.75rem;
    gap: 0.25rem;
    box-shadow: var(--shadow-card);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    display: block;
    padding: 0.7rem 1rem;
    border-radius: 12px;
    color: var(--text-primary);
  }

  /* --- Hero --- */
  #home {
    padding-top: 6.5rem;
    padding-bottom: 4rem;
    min-height: auto;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-photo-wrap {
    order: -1;
    display: flex;
    justify-content: center;
  }

  .hero-photo {
    width: 200px;
    height: 240px;
  }

  .hero-intro {
    max-width: 100%;
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
  }

  .hero-cta .btn {
    width: 100%;
    justify-content: center;
  }

  .hero-bio-wrapper {
    margin-top: 2rem;
  }

  .hero-bio-boxes {
    grid-template-columns: 1fr;
  }

  .hero-bio-box-left,
  .hero-bio-box-right {
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out,
                background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  }

  .hero-bio-box.bio-box-visible {
    transform: translateY(0);
  }

  .hero-bio-box {
    padding: 1.5rem;
  }

  /* Wave btn: stays bottom-left of the (centred) photo container */
  .wave-btn {
    bottom: -14px;
    left: -14px;
    width: 44px;
    height: 44px;
    font-size: 1.25rem;
  }

  /* --- Cosa faccio --- */
  .cosa-faccio-layout {
    grid-template-columns: 1fr;
  }

  .cf-left {
    position: static;
  }

  /* --- Card: sticky stacking identico al desktop --- */
  .cf-cards .card-wrap {
    position: -webkit-sticky;
    position: sticky;
    height: 300px;
    margin-bottom: 1.5rem;
    perspective: none;
  }

  .cf-cards .card-wrap:nth-child(1) { top: 70px;  z-index: 1; }
  .cf-cards .card-wrap:nth-child(2) { top: 85px;  z-index: 2; }
  .cf-cards .card-wrap:nth-child(3) { top: 100px; z-index: 3; }
  .cf-cards .card-wrap:nth-child(4) { top: 115px; z-index: 4; }
  .cf-cards .card-wrap:nth-child(5) { top: 130px; z-index: 5; }

  /* card-inner: niente 3D, niente transform */
  .card-inner {
    transform-style: flat;
    -webkit-transform-style: flat;
    transform: none;
    transition: none;
    width: 100%;
    height: 100%;
  }

  .card-wrap.flipped .card-inner {
    transform: none;
  }

  /* front e back: sovrapposti via absolute, scambio con opacity */
  .card-front,
  .card-back {
    position: absolute;
    inset: 0;
    padding: 1.5rem;
    backface-visibility: visible;
    -webkit-backface-visibility: visible;
    transform: none;
    -webkit-transform: none;
    transition: opacity 0.3s ease;
  }

  .card-front  { opacity: 1; pointer-events: auto; }
  .card-back   { opacity: 0; pointer-events: none; }

  .card-wrap.flipped .card-front {
    opacity: 0;
    pointer-events: none;
  }

  .card-wrap.flipped .card-back {
    opacity: 1;
    pointer-events: auto;
  }

  /* Loghi */
  .card-logo {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -60%);
    -webkit-transform: translate(-50%, -60%);
    max-width: 45%;
    max-height: 100px;
    width: auto;
  }

  /* Testi card */
  .card-title   { font-size: 1rem; }
  .card-tagline { font-size: 0.78rem; }

  .card-back-desc {
    font-size: 0.82rem;
    line-height: 1.5;
  }

  .accordion-title-text {
    font-size: 1rem;
  }

  .accordion-header {
    padding: 1rem 0;
    gap: 1rem;
  }

  .accordion-num {
    font-size: 0.6rem;
  }

  /* --- Formazione --- */
  .formazione-grid {
    grid-template-columns: 1fr;
  }

  .formazione-card {
    padding: 1.5rem;
  }

  /* --- Footer --- */
  .footer-top {
    flex-direction: column;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  /* --- Controls --- */
  .theme-toggle {
    bottom: 1.25rem;
    right: 1.25rem;
  }

  /* --- Modal --- */
  .modal {
    max-height: 85vh;
    overflow-y: auto;
    padding: 2rem 1.5rem;
  }

  /* --- Competenze cards (enter from below on mobile) --- */
  .comp-card-left  { transform: translateY(28px); position: static; }
  .comp-card-right { transform: translateY(28px); }
  .comp-card-left.visible,
  .comp-card-right.visible { animation: compSlideUp 0.6s ease-out forwards; }
}