/* ============================================================
   BOTTEGA LEGNAMI — style.css
   Stile: "Nordic Bottega" — calore italiano + pulizia nordica
   
   INDICE:
   1. Variabili e reset
   2. Tipografia base
   3. Layout utilities
   4. Componenti (btn, label, section-header)
   5. Header & Nav
   6. Hero
   7. About
   8. Portfolio
   9. Process
   10. Behind the scenes
   11. Contact & Form
   12. Footer
   13. Responsive (tablet 768px, mobile 480px)
   ============================================================ */


/* ============================================================
   1. VARIABILI E RESET
   ============================================================ */
:root {
  /* Palette "Nordic Bottega" */
  --beige:        #F5F0EA;   /* sfondo principale */
  --beige-dark:   #EDE5D8;   /* sfondo sezioni alternate */
  --sand:         #C9B99A;   /* bordi, dettagli */
  --moss:         #4A5E4A;   /* accento verde muschio — bottoni, hover */
  --moss-dark:    #384638;   /* hover bottoni */
  --smoke:        #6B7280;   /* testo secondario */
  --dark:         #1C1C1A;   /* testo principale */
  --white:        #FFFFFF;

  /* Tipografia */
  --font-title:   'Playfair Display', Georgia, serif;
  --font-body:    'Inter', system-ui, sans-serif;

  /* Spaziature */
  --space-xs:     0.5rem;
  --space-sm:     1rem;
  --space-md:     2rem;
  --space-lg:     4rem;
  --space-xl:     7rem;

  /* Transizioni */
  --transition:   0.3s ease;
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--beige);
  color: var(--dark);
  line-height: 1.7;
  font-weight: 300;
}

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

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


/* ============================================================
   2. TIPOGRAFIA BASE
   ============================================================ */
h1, h2, h3 {
  font-family: var(--font-title);
  line-height: 1.2;
  font-weight: 700;
}

h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: 1.2rem; font-weight: 600; }

p { max-width: 60ch; }


/* ============================================================
   3. LAYOUT UTILITIES
   ============================================================ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* Classe placeholder — usata finché non ci sono foto vere */
.placeholder {
  background-color: var(--beige-dark);
  background-image:
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 10px,
      rgba(0,0,0,0.03) 10px,
      rgba(0,0,0,0.03) 20px
    );
  border: 1px dashed var(--sand);
  position: relative;
}

/* Etichetta visiva nei placeholder durante sviluppo */
.placeholder::after {
  content: '[ foto ]';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--sand);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}


/* ============================================================
   4. COMPONENTI CONDIVISI
   ============================================================ */

/* Etichetta categoria sopra i titoli */
.label {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--moss);
  margin-bottom: var(--space-sm);
}

/* Intestazione sezione centrata */
.section-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.section-title {
  color: var(--dark);
}

/* Bottoni */
.btn {
  display: inline-block;
  padding: 0.85rem 2rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  border-radius: 2px;
  cursor: pointer;
  transition: background-color var(--transition), color var(--transition), transform var(--transition);
  border: none;
}

.btn--primary {
  background-color: var(--moss);
  color: var(--white);
}

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

.btn--secondary {
  background-color: transparent;
  color: var(--dark);
  border: 1.5px solid var(--dark);
}

.btn--secondary:hover {
  background-color: var(--dark);
  color: var(--beige);
}

.btn--full {
  width: 100%;
  text-align: center;
}


/* ============================================================
   5. HEADER & NAV
   ============================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.25rem 0;
  background-color: var(--beige);
  border-bottom: 1px solid var(--sand);
  /* La classe .header--scrolled viene aggiunta via JS */
  transition: box-shadow var(--transition);
}

.header--scrolled {
  box-shadow: 0 2px 20px rgba(0,0,0,0.07);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo__main {
  font-family: var(--font-title);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--dark);
}

.logo__sub {
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--smoke);
}

.nav {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav__link {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--smoke);
  transition: color var(--transition);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--moss);
  transition: width var(--transition);
}

.nav__link:hover {
  color: var(--dark);
}

.nav__link:hover::after {
  width: 100%;
}

/* Il link CTA ha stile bottone */
.nav__link--cta {
  padding: 0.5rem 1.2rem;
  background-color: var(--moss);
  color: var(--white) !important;
  border-radius: 2px;
}

.nav__link--cta::after { display: none; }

.nav__link--cta:hover {
  background-color: var(--moss-dark);
}

/* Burger menu — visibile solo su mobile */
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--dark);
  transition: transform var(--transition), opacity var(--transition);
}


/* ============================================================
   6. HERO
   ============================================================ */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  /* Aggiunge spazio per l'header fisso */
  padding-top: 80px;
}

.hero__image {
  position: absolute;
  inset: 0;
  background-image: url('img/hero.png');
  background-color: #D4C9B8;
  background-size: cover;
  background-position: center;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  /* Gradiente scuro per leggibilità del testo sopra la foto */
  background: linear-gradient(
    to right,
    rgba(28, 28, 26, 0.7) 0%,
    rgba(28, 28, 26, 0.2) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 650px;
  color: var(--white);
}

.hero__eyebrow {
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  margin-bottom: var(--space-sm);
  max-width: none;
}

.hero__title {
  color: var(--white);
  margin-bottom: var(--space-md);
}

.hero__title em {
  font-style: italic;
  color: #D4C9B8;
}

.hero__body {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: var(--space-md);
  max-width: 50ch;
}


/* ============================================================
   7. ABOUT
   ============================================================ */
.about {
  padding: var(--space-xl) 0;
  background-color: var(--beige-dark);
}

.about__inner {
  display: grid;
  /* Due colonne uguali su desktop */
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}

.about__text p {
  color: var(--smoke);
  margin-bottom: var(--space-sm);
}

.about__text .btn {
  margin-top: var(--space-sm);
}

.about__image-wrap {
  overflow: hidden;
  border-radius: 1px;
  width: 100%;
  height: 100%;
  min-height: 500px;
}

.about__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}


/* ============================================================
   8. PORTFOLIO
   ============================================================ */
.portfolio {
  padding: var(--space-xl) 0;
}

/* Griglia asimmetrica: il primo elemento (featured) occupa 2 colonne */
.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.portfolio__item {
  overflow: hidden;
  cursor: pointer;
}

.portfolio__item--featured {
  /* L'elemento in evidenza occupa le prime 2 colonne */
  grid-column: span 2;
}

.portfolio__image {
  width: 100%;
  aspect-ratio: 4/3;
  transition: transform 0.5s ease;
  border-radius: 1px;
}

.portfolio__item--featured .portfolio__image {
  aspect-ratio: 16/9;
}

.portfolio__item:hover .portfolio__image {
  transform: scale(1.03);
}

.portfolio__info {
  padding: 0.75rem 0;
}

.portfolio__info h3 {
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.portfolio__info p {
  font-size: 0.8rem;
  color: var(--smoke);
}


/* ============================================================
   9. PROCESS
   ============================================================ */
.process {
  padding: var(--space-xl) 0;
  background-color: var(--dark);
  color: var(--white);
}

.process .section-header .label {
  color: var(--sand);
}

.process .section-title {
  color: var(--white);
}

.process__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.process__step {
  padding: var(--space-md);
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: var(--space-md);
}

.process__number {
  display: block;
  font-family: var(--font-title);
  font-size: 2.5rem;
  font-style: italic;
  color: var(--sand);
  margin-bottom: var(--space-sm);
  line-height: 1;
}

.process__step h3 {
  font-size: 1.1rem;
  color: var(--white);
  margin-bottom: 0.5rem;
}

.process__step p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.6;
}


/* ============================================================
   10. BEHIND THE SCENES
   ============================================================ */
.behind {
  padding: var(--space-xl) 0;
  background-color: var(--beige-dark);
}

.behind__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: start;
}

.behind__image {
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: 1px;
  /* Griglia inversa: foto a sinistra, testo a destra */
  grid-column: 1;
}

.behind__text {
  grid-column: 2;
}

.behind__text p {
  color: var(--smoke);
  margin-bottom: var(--space-md);
}

.behind__detail {
  width: 100%;
  aspect-ratio: 3/2;
  border-radius: 1px;
  margin-top: var(--space-sm);
}


/* ============================================================
   11. CONTACT & FORM
   ============================================================ */
.contact {
  padding: var(--space-xl) 0;
}

.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-lg);
  align-items: start;
}

.contact__text p {
  color: var(--smoke);
  margin-bottom: var(--space-md);
}

.contact__details {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.95rem;
}

.contact__details a {
  color: var(--moss);
  transition: color var(--transition);
}

.contact__details a:hover {
  color: var(--moss-dark);
}

/* Form */
.contact__form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--smoke);
}

.form-group input,
.form-group textarea {
  padding: 0.85rem 1rem;
  background-color: var(--beige-dark);
  border: 1px solid var(--sand);
  border-radius: 2px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--dark);
  transition: border-color var(--transition), box-shadow var(--transition);
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--moss);
  box-shadow: 0 0 0 3px rgba(74, 94, 74, 0.1);
}

/* Stato di errore — classe aggiunta via JS */
.form-group input.error,
.form-group textarea.error {
  border-color: #c0392b;
}

.form__note {
  font-size: 0.75rem;
  color: var(--smoke);
  text-align: center;
  max-width: none;
}


/* ============================================================
   12. FOOTER
   ============================================================ */
.footer {
  padding: var(--space-md) 0;
  background-color: var(--dark);
  color: rgba(255,255,255,0.5);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.footer .logo__main {
  color: var(--white);
  font-size: 1.1rem;
}

.footer p {
  font-size: 0.8rem;
  max-width: none;
}

.footer__nav {
  display: flex;
  gap: 1.5rem;
}

.footer__nav a {
  font-size: 0.8rem;
  transition: color var(--transition);
}

.footer__nav a:hover {
  color: var(--white);
}


/* ============================================================
   13. RESPONSIVE
   
   Strategia: mobile-first sarebbe ideale per nuovi progetti,
   qui usiamo max-width perché partiamo da desktop.
   Per il prossimo sito scritto da zero, useremo min-width!
   ============================================================ */

/* --- TABLET (max 1024px) --- */
@media (max-width: 1024px) {
  .process__steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .portfolio__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .portfolio__item--featured {
    grid-column: span 2;
  }
}

/* --- TABLET PICCOLO (max 768px) --- */
@media (max-width: 768px) {

  /* Nav mobile: menu a tendina */
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--beige);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 1rem var(--space-md);
    border-top: 1px solid var(--sand);
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
  }

  /* Classe aggiunta via JS al click del burger */
  .nav.nav--open {
    display: flex;
  }

  .nav__link {
    padding: 0.75rem 0;
    width: 100%;
    border-bottom: 1px solid rgba(0,0,0,0.06);
    font-size: 1rem;
  }

  .nav__link--cta {
    margin-top: 0.5rem;
    padding: 0.75rem 1rem;
  }

  .burger {
    display: flex;
  }

  /* Layout a colonna singola */
  .about__inner,
  .behind__inner,
  .contact__inner {
    grid-template-columns: 1fr;
  }

  .behind__text {
    grid-column: 1;
  }

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

  .portfolio__item--featured {
    grid-column: span 1;
  }
}

/* --- MOBILE (max 480px) --- */
@media (max-width: 480px) {
  :root {
    --space-lg: 3rem;
    --space-xl: 4.5rem;
  }

  .hero {
    min-height: 100svh;
  }

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

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