/* =====================
   TOKENS
   ===================== */
:root {
  --black:    #0e0e0e;
  --dark:     #161616;
  --dark-2:   #1e1e1e;
  --red:      #8B1A1A;
  --red-mid:  #a82020;
  --red-bright: #c42424;
  --white:    #ffffff;
  --off-white:#f0ede8;
  --gray:     #888;
  --border-dark: rgba(255,255,255,0.1);
  --border-light: rgba(0,0,0,0.1);

  --font: 'Inter', sans-serif;
  --nav-h: 72px;
  --max-w: 1200px;
  --radius: 3px;
}

/* =====================
   RESET
   ===================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--black);
  color: var(--off-white);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
em { font-style: italic; }

/* =====================
   NAV
   ===================== */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1.5rem, 5vw, 4rem);
  z-index: 200;
  transition: background 0.3s, border-color 0.3s;
  border-bottom: 1px solid transparent;
}

#navbar.scrolled {
  background: rgba(14,14,14,0.96);
  backdrop-filter: blur(12px);
  border-bottom-color: var(--border-dark);
}

/* Logo testuale */
.logo-text {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--white);
  line-height: 1;
  font-style: italic;
}

.logo-dot {
  color: var(--red-bright);
  font-style: normal;
}

.logo-it {
  font-weight: 300;
  font-style: normal;
  letter-spacing: 0.02em;
  color: rgba(255,255,255,0.5);
}

#nav-menu {
  display: flex;
  gap: 2.5rem;
}

#nav-menu a {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.65);
  transition: color 0.2s;
}

#nav-menu a:hover { color: var(--white); }

/* Burger */
.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  width: 32px;
  height: 32px;
}

.burger span {
  display: block;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
  transform-origin: center;
}

.burger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.active span:nth-child(2) { opacity: 0; }
.burger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =====================
   HERO
   ===================== */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--nav-h) + 2rem) clamp(1.5rem, 5vw, 4rem) 6rem;
  background: var(--black);
  overflow: hidden;
}

.hero-bg-text {
  position: absolute;
  right: -0.05em;
  top: 50%;
  transform: translateY(-50%);
  font-size: clamp(12rem, 30vw, 26rem);
  font-weight: 900;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255,255,255,0.04);
  pointer-events: none;
  user-select: none;
  letter-spacing: -0.05em;
}

.hero-inner {
  position: relative;
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.tag {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--red-bright);
  border: 1px solid var(--red);
  padding: 0.3rem 0.75rem;
  border-radius: 2px;
}

#hero h1 {
  font-size: clamp(4.5rem, 13vw, 11rem);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: var(--white);
  margin-bottom: 1.5rem;
}

#hero h1 em {
  font-style: italic;
  font-weight: 900;
  color: var(--white);
}

.hero-accent {
  color: var(--red-bright);
}

.hero-tld {
  font-weight: 300;
  font-style: normal;
  color: rgba(255,255,255,0.25);
  font-size: 0.45em;
  vertical-align: baseline;
  letter-spacing: 0.02em;
}

.hero-dot {
  color: var(--red-bright);
  font-weight: 700;
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.35rem);
  font-weight: 300;
  color: rgba(255,255,255,0.55);
  margin-bottom: 2.5rem;
  max-width: 420px;
  line-height: 1.6;
}

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

/* Scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  left: clamp(1.5rem, 5vw, 4rem);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.hero-scroll span {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  writing-mode: vertical-rl;
}

.scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.3), transparent);
}

/* =====================
   BUTTONS
   ===================== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  background: var(--red);
  color: var(--white);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}

.btn-primary:hover {
  background: var(--red-bright);
  transform: translateY(-2px);
}

.btn-primary.large {
  padding: 1rem 2.5rem;
  font-size: 0.88rem;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  padding: 0.85rem 2rem;
  border: 1.5px solid rgba(255,255,255,0.25);
  color: rgba(255,255,255,0.75);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: border-color 0.2s, color 0.2s;
}

.btn-ghost:hover {
  border-color: var(--white);
  color: var(--white);
}

/* =====================
   LAYOUT BASE
   ===================== */
section {
  padding: clamp(5rem, 12vw, 9rem) clamp(1.5rem, 5vw, 4rem);
}

section.dark {
  background: var(--dark);
}

.container {
  max-width: var(--max-w);
  margin: 0 auto;
}

/* Section header */
.section-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

.section-num {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--red-bright);
  letter-spacing: 0.1em;
}

.section-tag {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(240,237,232,0.4);
}

.section-header::after {
  content: '';
  flex: 1;
  height: 1px;
  background: rgba(240,237,232,0.1);
}

.section-header.light .section-tag { color: rgba(240,237,232,0.4); }

/* =====================
   ABOUT
   ===================== */
#about { background: var(--off-white); color: var(--black); }
#about .section-header::after { background: rgba(0,0,0,0.12); }
#about .section-num { color: var(--red); }
#about .section-tag { color: rgba(0,0,0,0.35); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}

.about-text h2 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  color: var(--black);
}

.about-text h2 em {
  color: var(--red);
  font-style: italic;
}

.about-text .lead {
  font-size: 1.1rem;
  font-weight: 400;
  color: #333;
  margin-bottom: 1rem;
  line-height: 1.75;
}

.about-text p {
  font-size: 0.95rem;
  color: #555;
  line-height: 1.8;
}

#about .btn-primary { background: var(--red); }
#about .btn-primary:hover { background: var(--red-bright); }

/* Stats */
.about-stats {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  padding-top: 1rem;
}

.stat {
  border-top: 1px solid rgba(0,0,0,0.12);
  padding-top: 1.5rem;
}

.stat-num {
  display: block;
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 900;
  line-height: 1;
  color: var(--black);
  letter-spacing: -0.04em;
}

.stat-plus {
  color: var(--red);
  font-size: 0.6em;
}

.stat-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 500;
  color: #777;
  letter-spacing: 0.05em;
  margin-top: 0.4rem;
  text-transform: uppercase;
}

/* =====================
   SPLIT SECTION (Music & Tech)
   ===================== */
.split-section {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 5rem;
  align-items: start;
}

.split-section.reverse {
  grid-template-columns: 1.6fr 1fr;
}

.split-section.reverse .split-text { order: 2; }
.split-section.reverse .cards-grid { order: 1; }

.split-text h2 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  color: var(--white);
}

.split-text p {
  font-size: 0.98rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.85;
}

/* Cards */
.cards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 4px;
  overflow: hidden;
}

.card {
  background: var(--dark-2);
  padding: 2rem 1.75rem;
  transition: background 0.2s;
}

.card:hover { background: #242424; }

.card-icon {
  font-size: 1.6rem;
  margin-bottom: 1rem;
}

.card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.6rem;
  letter-spacing: -0.01em;
}

.card p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.45);
  line-height: 1.7;
}

/* Tech section light cards */
#tech { background: var(--off-white); color: var(--black); }
#tech .section-header::after { background: rgba(0,0,0,0.12); }
#tech .section-num { color: var(--red); }
#tech .section-tag { color: rgba(0,0,0,0.35); }
#tech .split-text h2 { color: var(--black); }
#tech .split-text p { color: #555; }
#tech .cards-grid { background: rgba(0,0,0,0.08); border-color: rgba(0,0,0,0.08); }
#tech .card { background: #fff; }
#tech .card:hover { background: #f7f4ef; }
#tech .card h3 { color: var(--black); }
#tech .card p { color: #777; }

/* =====================
   CONTACT
   ===================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 5rem;
  align-items: start;
}

.contact-intro h2 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--white);
  margin-bottom: 1.5rem;
}

.contact-intro p {
  font-size: 0.98rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.8;
}

/* Form */
#contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.form-group label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
}

.req { color: var(--red-bright); }
.opt { font-weight: 400; text-transform: none; letter-spacing: 0; opacity: 0.6; }

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  color: var(--white);
  font-family: var(--font);
  font-size: 0.95rem;
  padding: 0.8rem 1rem;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  transition: border-color 0.2s, background 0.2s;
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,0.2); }

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--red-mid);
  background: rgba(255,255,255,0.08);
}

.form-group input.error,
.form-group textarea.error,
.form-group select.error { border-color: #e05555; }

.form-group textarea { resize: vertical; min-height: 130px; }

.select-wrap { position: relative; }
.select-wrap::after {
  content: '';
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 5px solid rgba(255,255,255,0.35);
  pointer-events: none;
}
.select-wrap select { cursor: pointer; padding-right: 2.5rem; }
.select-wrap select option { background: #1e1e1e; color: var(--white); }

.form-footer {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
  margin-top: 0.5rem;
}

.form-status {
  font-size: 0.88rem;
  font-weight: 500;
  padding: 0.65rem 1.1rem;
  border-radius: var(--radius);
}

.form-status.success {
  background: rgba(80,200,100,0.12);
  color: #6ee08a;
  border: 1px solid rgba(80,200,100,0.25);
}

.form-status.error {
  background: rgba(220,80,80,0.12);
  color: #f08080;
  border: 1px solid rgba(220,80,80,0.25);
}

#submit-btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }

/* =====================
   FOOTER
   ===================== */
footer {
  background: var(--black);
  border-top: 1px solid var(--border-dark);
  padding: 3rem clamp(1.5rem, 5vw, 4rem);
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer-logo .logo-text { font-size: 1rem; opacity: 0.5; transition: opacity 0.2s; }
.footer-logo:hover .logo-text { opacity: 1; }

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

.footer-links a {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  transition: color 0.2s;
}

.footer-links a:hover { color: rgba(255,255,255,0.8); }

.footer-copy {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.25);
}

/* =====================
   SCROLL ANIMATIONS
   ===================== */

/* Stato iniziale — nascosto */
.anim {
  opacity: 0;
  transition: opacity 0.7s cubic-bezier(.4,0,.2,1),
              transform 0.7s cubic-bezier(.4,0,.2,1);
  will-change: opacity, transform;
}

.anim-up    { transform: translateY(48px); }
.anim-down  { transform: translateY(-48px); }
.anim-right { transform: translateX(-48px); }
.anim-left  { transform: translateX(48px); }

/* Stato finale — visibile */
.anim.in-view {
  opacity: 1;
  transform: translate(0, 0);
}

/* Rispetta prefer-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  .anim { opacity: 1 !important; transform: none !important; transition: none !important; }
}

/* =====================
   RESPONSIVE
   ===================== */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .about-stats { flex-direction: row; flex-wrap: wrap; gap: 2rem; }
  .stat { flex: 1; min-width: 140px; }

  .split-section,
  .split-section.reverse {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .split-section.reverse .split-text { order: 0; }
  .split-section.reverse .cards-grid { order: 0; }

  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
}

@media (max-width: 640px) {
  .burger { display: flex; }

  #nav-menu {
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: rgba(14,14,14,0.98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    gap: 0;
    padding: 1rem 0 2rem;
    transform: translateY(-110%);
    opacity: 0;
    transition: transform 0.35s cubic-bezier(.4,0,.2,1), opacity 0.3s;
    pointer-events: none;
    border-bottom: 1px solid var(--border-dark);
  }

  #nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  #nav-menu li { border-bottom: 1px solid var(--border-dark); }
  #nav-menu a {
    display: block;
    padding: 1rem 2rem;
    font-size: 0.9rem;
  }

  .form-row { grid-template-columns: 1fr; }
  .cards-grid { grid-template-columns: 1fr; }

  .footer-inner { flex-direction: column; align-items: flex-start; gap: 1.5rem; }
  .footer-links { flex-wrap: wrap; gap: 1rem; }

  .hero-scroll { display: none; }
}