/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ===== BASE ===== */
body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-900);
  line-height: 1.7;
  font-size: 16px;
}

/* ===== TIPOGRAFIA ===== */
.display {
  font-family: var(--font-serif);
  font-size: clamp(36px, 5vw, 52px);
  font-weight: 400;
  line-height: 1.2;
}
h1, .h1 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 3.5vw, 36px);
  font-weight: 400;
  line-height: 1.3;
}
h2, .h2 {
  font-family: var(--font-serif);
  font-size: clamp(22px, 2.5vw, 28px);
  font-weight: 400;
  line-height: 1.35;
}
h3, .h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
}
.body-text { font-size: 16px; line-height: 1.7; color: var(--text-600); }
.small-text { font-size: 14px; line-height: 1.6; color: var(--text-600); }
.label {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--green-500);
}

/* ===== LAYOUT UTILITIES ===== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}
.section {
  padding: var(--section-pad-block) var(--section-pad-inline);
}
.section--alt { background-color: var(--bg-alt); }
.section--green { background-color: var(--green-100); }

/* ===== COMPONENTI: BOTTONI ===== */
.btn {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: var(--weight-medium);
  border-radius: var(--radius-lg);
  padding: 12px 24px;
  transition: background-color 0.2s, color 0.2s, border-color 0.2s;
  letter-spacing: 0.02em;
}
.btn--primary {
  background-color: var(--green-500);
  color: var(--white);
}
.btn--primary:hover { background-color: var(--green-600); }
.btn--secondary {
  background-color: transparent;
  color: var(--green-500);
  border: 1.5px solid var(--green-500);
  padding: 11px 24px;
}
.btn--secondary:hover { background-color: var(--green-100); }
.btn--text {
  color: var(--green-500);
  text-decoration: underline;
  text-underline-offset: 3px;
  padding: 0;
}
.btn--sm { padding: 8px 18px; font-size: 13px; }

/* ===== NAVIGAZIONE ===== */
#navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--white);
  border-bottom: 1px solid var(--green-100);
  transition: box-shadow 0.2s;
}
#navbar.scrolled { box-shadow: 0 2px 12px rgba(0,0,0,0.07); }
.nav__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}
.nav__logo {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: var(--weight-regular);
  color: var(--text-900);
}
.nav__logo span { color: var(--green-500); }
.nav__links {
  display: flex;
  gap: var(--space-xl);
}
.nav__link {
  font-size: 14px;
  color: var(--text-600);
  font-weight: var(--weight-regular);
  transition: color 0.2s;
}
.nav__link:hover, .nav__link.active { color: var(--green-500); }
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--text-900);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.nav__hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__hamburger.open span:nth-child(2) { opacity: 0; }
.nav__hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav overlay */
.nav__mobile-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--white);
  padding: var(--space-lg) var(--space-lg) var(--space-xl);
  border-bottom: 1px solid var(--green-100);
  flex-direction: column;
  gap: var(--space-md);
}
.nav__mobile-menu.open { display: flex; }
.nav__mobile-menu .nav__link { font-size: 18px; }

/* ===== HERO ===== */
.hero {
  background-color: var(--bg-main);
  padding: 0;
}
.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: calc(100vh - 54px);
  gap: 0;
}
.hero__text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-lg);
  padding: var(--space-xl) var(--space-2xl) var(--space-xl) var(--space-lg);
}
.hero__eyebrow { margin-bottom: -8px; }
.hero__headline em {
  color: var(--green-500);
  font-style: italic;
}
.hero__sub { max-width: 440px; }
.hero__actions {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  margin-top: var(--space-sm);
}
.hero__image {
  position: relative;
  background-color: var(--green-100);
  overflow: hidden;
  padding: 1.5rem;
}
.hero__photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  border-radius: 12px;
}

/* ===== COMPONENTI: BADGE ===== */
.badge {
  display: inline-block;
  background-color: var(--green-100);
  color: var(--green-600);
  font-size: 11px;
  font-weight: var(--weight-semibold);
  padding: var(--space-xs) 10px;
  border-radius: var(--radius-badge);
  letter-spacing: 0.05em;
  font-family: var(--font-sans);
}
.badge--pink {
  background-color: var(--pink-100);
  color: var(--pink-600);
}
.badge--neutral {
  background-color: var(--bg-alt);
  color: var(--text-600);
}

/* ===== CHI SONO ===== */
.chi-sono__grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-2xl);
  align-items: start;
}
.chi-sono__intro { position: sticky; top: 80px; }
.chi-sono__intro h2 {
  font-family: var(--font-serif);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: var(--weight-regular);
  line-height: 1.3;
  margin-top: var(--space-md);
}
.chi-sono__intro h2 em { color: var(--green-500); font-style: italic; }
.chi-sono__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}
.chi-sono__badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

/* ===== SECTION HEADER (utility) ===== */
.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}
.section-header h2 { margin-top: var(--space-md); }
.section-header__sub {
  max-width: 500px;
  margin: var(--space-md) auto 0;
}

/* ===== SERVIZI ===== */
.servizi__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}
.service-card {
  background: var(--white);
  border-radius: var(--radius-card);
  padding: var(--space-xl) var(--space-lg) var(--space-lg);
  border-top: 3px solid var(--green-500);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}
.service-card--accent { border-top-color: var(--pink-300); }
.service-card--neutral { border-top-color: var(--green-300); }
.service-card__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-icon);
  background: var(--green-100);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}
.service-card--accent .service-card__icon { background: var(--pink-100); }
.service-card h3 {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.35;
}
.service-card__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-top: auto;
  padding-top: var(--space-sm);
  border-top: 1px solid var(--green-100);
}
.service-card__list li {
  font-size: 13px;
  color: var(--text-600);
  padding-left: 16px;
  position: relative;
}
.service-card__list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--green-500);
  font-size: 11px;
  top: 1px;
}
.service-card--accent .service-card__list { border-top-color: var(--pink-100); }
.service-card--accent .service-card__list li::before { color: var(--pink-600); }

/* ===== METODO ===== */
.metodo__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  position: relative;
}
.metodo__steps::before {
  content: '';
  position: absolute;
  top: 28px;
  left: 5%;
  right: 5%;
  height: 1px;
  background: var(--green-300);
  z-index: 0;
}
.metodo__step {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  position: relative;
  z-index: 1;
}
.metodo__number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--white);
  border: 2px solid var(--green-500);
  color: var(--green-500);
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.metodo__content h3 { margin-bottom: var(--space-sm); }

/* ===== CONTATTI ===== */
.contatti__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}
.contatti__intro {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}
.contatti__intro h2 {
  font-family: var(--font-serif);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: var(--weight-regular);
}
.contatti__direct {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}
.contatti__link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 15px;
  color: var(--text-900);
  font-weight: var(--weight-medium);
  transition: color 0.2s;
}
.contatti__link:hover { color: var(--green-500); }
.contatti__icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-icon);
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-style: normal;
  font-weight: 700;
  color: var(--green-600);
  flex-shrink: 0;
}

/* Form */
.contatti__form {
  background: var(--white);
  border-radius: 20px;
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  box-shadow: 0 2px 16px rgba(0,0,0,0.06);
}
.form__group { display: flex; flex-direction: column; gap: var(--space-xs); }
.form__label {
  font-size: 13px;
  font-weight: var(--weight-medium);
  color: var(--text-900);
}
.form__optional { color: var(--text-400); font-weight: var(--weight-regular); }
.form__input {
  border: 1.5px solid var(--green-300);
  border-radius: 10px;
  padding: 12px var(--space-md);
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--text-900);
  background: var(--white);
  transition: border-color 0.2s;
  outline: none;
}
.form__input:focus-visible {
  border-color: var(--green-500);
  outline: 2px solid var(--green-500);
  outline-offset: 2px;
}
.form__input::placeholder { color: var(--text-400); }
.form__textarea { min-height: 120px; resize: vertical; }
.btn--full { width: 100%; justify-content: center; text-align: center; display: block; }
.form__success {
  padding: var(--space-xl);
  text-align: center;
  background: var(--green-100);
  border-radius: var(--radius-md);
  color: var(--text-600);
}
.form__error {
  font-size: 13px;
  color: #b94040;
  margin-top: calc(var(--space-xs) * -1);
}

/* Footer */
.footer {
  background: var(--text-900);
  padding: var(--space-xl) 0;
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}
.footer__logo {
  font-family: var(--font-serif);
  font-size: 18px;
  color: var(--white);
}
.footer__logo span { color: var(--green-300); }
.footer__copy { font-size: 13px; color: var(--text-400); }
.footer__linkedin { font-size: 13px; color: var(--green-300); font-weight: var(--weight-medium); }
.footer__linkedin:hover { color: var(--green-500); }

/* ===== RESPONSIVE ===== */

/* Tablet — max 900px */
@media (max-width: 900px) {
  :root { --section-pad-block: 64px; }

  .hero__grid {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .hero__text { padding: var(--space-xl) var(--space-lg); order: 1; }
  .hero__image { order: 2; min-height: 50vw; }

  .chi-sono__grid { grid-template-columns: 1fr; gap: var(--space-xl); }
  .chi-sono__intro { position: static; }

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

  .metodo__steps { grid-template-columns: 1fr 1fr; }
  .metodo__steps::before { display: none; }

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

/* Mobile — max 600px */
@media (max-width: 600px) {
  :root { --section-pad-block: 48px; --section-pad-inline: 16px; }

  /* Nav */
  .nav__links, .nav__cta { display: none; }
  .nav__hamburger { display: flex; }

  /* Hero */
  .hero__image { min-height: 65vw; }
  .hero__actions { flex-direction: column; align-items: flex-start; }

  /* Metodo */
  .metodo__steps { grid-template-columns: 1fr; }

  /* Footer */
  .footer__inner { flex-direction: column; text-align: center; gap: var(--space-md); }

  /* Form */
  .contatti__form { padding: var(--space-lg); }
}

/* ===== ANIMAZIONI ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero__text > * {
  opacity: 0;
  animation: fadeUp 0.7s ease forwards;
}
.hero__text > *:nth-child(1) { animation-delay: 0.1s; }
.hero__text > *:nth-child(2) { animation-delay: 0.2s; }
.hero__text > *:nth-child(3) { animation-delay: 0.35s; }
.hero__text > *:nth-child(4) { animation-delay: 0.5s; }

@media (prefers-reduced-motion: reduce) {
  .hero__text > * { animation: none; opacity: 1; }
}

/* Focus visible per accessibilità */
:focus-visible {
  outline: 2px solid var(--green-500);
  outline-offset: 3px;
}