/* =========================================================
   Portfolio — Minimal / Swiss / Black & White
   File CSS condiviso da index.html e da tutte le pagine progetto
   ========================================================= */

/* ---------- Design Tokens ---------- */
:root {
  --bg-color: #FAFAFA;
  --surface-color: #FFFFFF;
  --text-primary: #0A0A0A;
  --text-secondary: #525252;
  --border-color: #E5E5E5;
  --black-pure: #000000;
  --white-pure: #FFFFFF;

  --font-family: 'Outfit', sans-serif;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-24: 6rem;
  --space-32: 8rem;

  --maxw: 1240px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font-family);
  font-weight: 300;
  background: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* React root non usato: nascosto per non interferire con il sito statico */
#root { display: none !important; }

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

/* ---------- Layout helpers ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding-inline: var(--space-6);
}

.section { padding-block: var(--space-24); }

.overline {
  font-weight: 800;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--text-primary);
  display: inline-flex;
  align-items: center;
  gap: var(--space-4);
}
.overline::before {
  content: "";
  width: 32px;
  height: 1px;
  background: var(--text-primary);
}

/* ---------- Typography ---------- */
h1, h2, h3 { font-weight: 800; letter-spacing: -0.03em; line-height: 1.02; }
.h1 { font-size: clamp(3rem, 8vw, 6rem); line-height: 1.1; }
.h2 { font-size: clamp(2rem, 5vw, 4rem); letter-spacing: -0.02em; line-height: 1.05; }
.h3 { font-size: 1.5rem; letter-spacing: -0.01em; }

.lead {
  font-weight: 300;
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  color: var(--text-secondary);
  max-width: 46ch;
}

/* ---------- Buttons ---------- */
.btn {
  --pad-y: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--pad-y) var(--space-8);
  border-radius: 50px;
  font-weight: 800;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid var(--black-pure);
  cursor: pointer;
  transition: background-color 0.4s var(--ease), color 0.4s var(--ease), transform 0.3s var(--ease);
  will-change: transform;
}
.btn svg { transition: transform 0.4s var(--ease); }
.btn:hover svg { transform: translateX(4px); }

.btn--solid { background: var(--black-pure); color: var(--white-pure); }
.btn--solid:hover { background: var(--white-pure); color: var(--black-pure); }

.btn--ghost { background: transparent; color: var(--black-pure); }
.btn--ghost:hover { background: var(--black-pure); color: var(--white-pure); }

/* ---------- Navbar ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6);
  background: rgba(250, 250, 250, 0);
  backdrop-filter: blur(0px);
  transition: background-color 0.4s var(--ease), backdrop-filter 0.4s var(--ease),
              padding 0.4s var(--ease), border-color 0.4s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(250, 250, 250, 0.8);
  backdrop-filter: blur(16px);
  padding-block: var(--space-4);
  border-bottom: 1px solid var(--border-color);
}
.nav__logo {
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}
.nav__logo span { color: var(--text-secondary); font-weight: 300; }

.nav__links { display: flex; align-items: center; gap: var(--space-8); }
.nav__link {
  position: relative;
  font-weight: 400;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  padding-block: 2px;
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--text-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}
.nav__link:hover::after { transform: scaleX(1); }

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav__toggle span {
  width: 26px; height: 2px; background: var(--text-primary);
  transition: transform 0.4s var(--ease), opacity 0.3s var(--ease);
}
.nav.open .nav__toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav.open .nav__toggle span:nth-child(2) { opacity: 0; }
.nav.open .nav__toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: var(--space-16);
  padding-top: var(--space-24);
}
.hero__title { margin: var(--space-6) 0 var(--space-8); }
.hero__title .line { display: block; overflow: hidden; padding-bottom: 0.15em; }
.hero__title .line > span {
  display: block;
  transform: translateY(105%);
  animation: rise 1s var(--ease) forwards;
}
.hero__title .line:nth-child(2) > span { animation-delay: 0.12s; color: var(--text-secondary); }
@keyframes rise { to { transform: translateY(0); } }

.hero__actions { display: flex; gap: var(--space-4); margin-top: var(--space-8); flex-wrap: wrap; }

.hero__media {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: #ececec;
}
.hero__media img {
  width: 100%; height: 115%;
  object-fit: cover;
  filter: grayscale(100%) contrast(1.05);
  will-change: transform;
}

.hero__media::after {
  content: "";
  position: absolute; inset: 0;
  border: 1px solid var(--black-pure);
  pointer-events: none;
}
.hero__scroll {
  position: absolute;
  bottom: var(--space-8); left: 50%;
  transform: translateX(-50%);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-secondary);
  display: flex; flex-direction: column; align-items: center; gap: var(--space-2);
}
.hero__scroll::after {
  content: ""; width: 1px; height: 40px; background: var(--text-secondary);
  animation: scrollLine 1.8s var(--ease) infinite;
  transform-origin: top;
}
@keyframes scrollLine { 0%,100%{transform:scaleY(0.4)} 50%{transform:scaleY(1)} }

/* ---------- About ---------- */
.about__statement {
  max-width: 900px;
  font-weight: 300;
  font-size: clamp(1.5rem, 3.4vw, 2.6rem);
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}
.about__statement em { font-style: normal; color: var(--text-secondary); }
.about__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  margin-top: var(--space-16);
  border-top: 1px solid var(--border-color);
  padding-top: var(--space-12);
}
.about__stat .num { font-size: clamp(2.5rem, 5vw, 3.5rem); font-weight: 800; letter-spacing: -0.03em; }
.about__stat .label { color: var(--text-secondary); font-size: 0.85rem; letter-spacing: 0.02em; }

/* ---------- Projects ---------- */
.projects__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--space-8);
  margin-bottom: var(--space-16);
  flex-wrap: wrap;
}
.projects__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-12) var(--space-8);
}
.card { display: block; }
.card__media {
  position: relative;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: #ececec;
}
.card__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  transition: transform 0.7s var(--ease), filter 0.7s var(--ease);
}
.card:hover .card__media img { transform: scale(1.06); filter: grayscale(60%); }
.card__index {
  position: absolute; top: var(--space-4); left: var(--space-4);
  background: var(--white-pure); color: var(--black-pure);
  font-weight: 800; font-size: 0.75rem; letter-spacing: 0.1em;
  padding: 6px 12px; border-radius: 50px;
}
.card__body {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: var(--space-4);
  padding-top: var(--space-6);
  border-top: 1px solid transparent;
  transition: border-color 0.4s var(--ease);
}
.card:hover .card__body { border-color: var(--black-pure); }
.card__title { font-size: 1.6rem; font-weight: 800; letter-spacing: -0.02em; }
.card__cat { color: var(--text-secondary); font-size: 0.85rem; margin-top: 4px; }
.card__arrow {
  font-size: 1.4rem; line-height: 1;
  transition: transform 0.4s var(--ease);
}
.card:hover .card__arrow { transform: translate(4px, -4px); }

/* ---------- Contacts ---------- */
.contact { text-align: center; }
.contact__mail {
  display: inline-block;
  font-weight: 700; /* Ridotto leggermente da 800 a 700 per renderlo meno "pesante" visivamente */
  font-size: clamp(1.6rem, 4vw, 2.5rem); /* Dimensione massima ridotta a 2.5rem per rimpicciolirlo */
  letter-spacing: -0.02em;
  margin: var(--space-4) 0; /* Ridotto il margine verticale per avvicinare gli elementi */
  position: relative;
  text-decoration: none; /* Rimuove l'eventuale sottolineatura nativa dei link */
  color: var(--black-pure);
}

.contact__mail::after {
  content: ""; 
  position: absolute; 
  left: 0; 
  bottom: -2px; /* Allineato all'interlinea inferiore */
  width: 100%; 
  height: 2px; 
  background: var(--black-pure);
  transform: scaleX(0); 
  transform-origin: right;
  transition: transform 0.5s var(--ease);
}

.contact__mail:hover::after { 
  transform: scaleX(1); 
  transform-origin: left; 
}

.contact__phone {
  display: inline-block;
  font-weight: 700; /* Stesso peso della mail */
  font-size: clamp(1.6rem, 4vw, 2.5rem); /* Stessa identica dimensione della mail */
  letter-spacing: -0.02em;
  margin: var(--space-4) 0;
  position: relative;
  text-decoration: none;
  color: var(--black-pure);
}

.contact__phone::after {
  content: ""; 
  position: absolute; 
  left: 0; 
  bottom: -2px; /* Uniformato a -2px come la mail */
  width: 100%; 
  height: 2px; 
  background: var(--black-pure);
  transform: scaleX(0); 
  transform-origin: right;
  transition: transform 0.5s var(--ease);
}

.contact__phone:hover::after { 
  transform: scaleX(1); 
  transform-origin: left; 
}
.contact__socials {
  display: flex; justify-content: center; gap: var(--space-8);
  margin-top: var(--space-8);
}
.contact__socials a {
  font-size: 0.85rem; letter-spacing: 0.08em; text-transform: uppercase; font-weight: 400;
  padding-bottom: 4px; border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), color 0.3s var(--ease);
}
.contact__socials a:hover { border-color: var(--black-pure); }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--border-color);
  padding-block: var(--space-8);
  display: flex; justify-content: space-between; align-items: center;
  gap: var(--space-4); flex-wrap: wrap;
  color: var(--text-secondary); font-size: 0.8rem; letter-spacing: 0.03em;
}

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* =========================================================
   PROJECT DETAIL PAGES
   ========================================================= */
.proj-hero {
  padding-top: 120px;
}
.proj-hero__meta {
  display: flex; gap: var(--space-8); flex-wrap: wrap;
  margin: var(--space-8) 0 var(--space-12);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding-block: var(--space-6);
}
.proj-hero__meta .item .k { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.15em; color: var(--text-secondary); }
.proj-hero__meta .item .v { font-weight: 800; font-size: 1rem; margin-top: 4px; }

.proj-cover {
  width: 100%;
  max-height: 62vh;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: grayscale(100%);
  border: 1px solid var(--black-pure);
}
.proj-body {
  max-width: 65ch;
  margin: var(--space-24) auto;
}
.proj-body h2 { font-size: 1.8rem; margin: var(--space-12) 0 var(--space-4); }
.proj-body p { color: var(--text-secondary); margin-bottom: var(--space-6); font-size: 1.05rem; }
.proj-body ul { color: var(--text-secondary); padding-left: 1.2rem; margin-bottom: var(--space-6); }
.proj-body li { margin-bottom: var(--space-2); }

.proj-gallery {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-4);
  margin: var(--space-12) 0;
}
.proj-gallery img { width: 100%; aspect-ratio: 4/3; object-fit: cover; filter: grayscale(100%); }

.proj-next {
  border-top: 1px solid var(--border-color);
  padding-block: var(--space-16);
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: var(--space-6);
}
.proj-next .label { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.15em; color: var(--text-secondary); }
.proj-next a.big { font-size: clamp(1.8rem, 4vw, 3rem); font-weight: 800; letter-spacing: -0.02em; }
.proj-next a.big:hover { color: var(--text-secondary); }

.back-btn {
  position: fixed; bottom: var(--space-8); left: var(--space-8); z-index: 90;
}
.card__media video {
  width: 100%;
  height: 100%;
  object-fit: cover; /* Mantiene le proporzioni tagliando i bordi se necessario */
}
.card__media .video-align-bottom {
  object-fit: cover;
  
  /* Il primo valore (center) gestisce l'asse orizzontale. */
  /* Il secondo valore (75%) gestisce l'asse verticale. */
  /* 50% è il centro perfetto, 100% è il fondo. Proviamo con 75%. */
  object-position: center 60%; 
}
/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: var(--space-12); min-height: auto; padding-top: 120px; padding-bottom: var(--space-16); }
  .hero__media { max-width: 420px; }
  .hero__scroll { display: none; }
  .about__grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .projects__grid { grid-template-columns: 1fr; }
  .proj-gallery { grid-template-columns: 1fr; }

  .nav__toggle { display: flex; }
  .nav__links {
    position: fixed; inset: 0;
    background: var(--white-pure);
    flex-direction: column; justify-content: center;
    gap: var(--space-8);
    transform: translateX(100%);
    transition: transform 0.5s var(--ease);
  }
  .nav.open .nav__links { transform: translateX(0); }
  .nav__link { font-size: 1.6rem; font-weight: 800; }
  .back-btn { left: var(--space-4); bottom: var(--space-4); }
}

@media (max-width: 520px) {
  .container { padding-inline: var(--space-4); }
  .section { padding-block: var(--space-16); }
  .contact__socials { flex-wrap: wrap; gap: var(--space-6); }
}

/* Rispetta le preferenze di riduzione movimento */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  .hero__title .line > span { transform: none; }
}