*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
img { max-width: 100%; display: block; }

:root {
  --color-green: #039B36;
  --color-green-dark: #027a2b;
  --color-yellow: #FFEC00;
  --color-black: #000000;
  --color-white: #ffffff;
  --color-gray-100: #f5f5f5;
  --color-gray-300: #d4d4d4;
  --color-gray-700: #3a3a3a;

  --font-display: 'Archivo Black', Arial, sans-serif;
  --font-body: 'Inter', Arial, sans-serif;

  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 40px;
  --space-5: 64px;
  --space-6: 96px;

  --radius: 12px;
}

body {
  font-family: var(--font-body);
  color: var(--color-black);
  background: var(--color-white);
  line-height: 1.5;
  overflow-x: hidden;
}

h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.1;
  margin: 0;
}

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 var(--space-2);
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  text-align: center;
  margin-bottom: var(--space-5);
}

.reveal { opacity: 0; }

/* ---------- Header ---------- */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-white);
  border-bottom: 3px solid var(--color-black);
}

.header__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-1);
  padding-bottom: var(--space-1);
}

.header__logo img { height: 48px; width: auto; }

.header__nav {
  display: none;
  gap: var(--space-3);
}

.header__nav a {
  color: var(--color-black);
  text-decoration: none;
  font-weight: 600;
}

.header__cta {
  display: none;
  background: var(--color-green);
  color: var(--color-white);
  font-weight: 700;
  text-decoration: none;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius);
  border: 2px solid var(--color-black);
  transition: transform 0.15s ease, background 0.15s ease;
}
.header__cta:hover { background: var(--color-green-dark); transform: translateY(-2px); }

.header__burger {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}
.header__burger span {
  display: block;
  height: 3px;
  background: var(--color-black);
  border-radius: 2px;
}

.header__nav--open {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-white);
  border-bottom: 3px solid var(--color-black);
  padding: var(--space-2);
  gap: var(--space-2);
}

@media (min-width: 860px) {
  .header__nav, .header__cta { display: flex; }
  .header__burger { display: none; }
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  padding: var(--space-6) 0 var(--space-5);
  background: var(--color-black);
  color: var(--color-white);
}

.hero__block {
  position: absolute;
  top: -20%;
  right: -15%;
  width: 60%;
  height: 140%;
  background: var(--color-green);
  transform: rotate(-8deg);
  z-index: 0;
  opacity: 0.9;
}

.hero__inner {
  position: relative;
  z-index: 1;
  max-width: 640px;
}

.hero__badge {
  display: inline-block;
  background: var(--color-yellow);
  color: var(--color-black);
  font-weight: 700;
  padding: var(--space-1) var(--space-2);
  border-radius: 999px;
  margin-bottom: var(--space-3);
}

.hero__title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  margin-bottom: var(--space-3);
}

.hero__subtitle {
  font-size: 1.125rem;
  color: var(--color-gray-300);
  margin-bottom: var(--space-4);
  max-width: 520px;
}

.hero__cta {
  display: inline-block;
  background: var(--color-green);
  color: var(--color-white);
  font-weight: 700;
  text-decoration: none;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius);
  border: 2px solid var(--color-white);
  font-size: 1.1rem;
  transition: transform 0.15s ease, background 0.15s ease;
}
.hero__cta:hover { background: var(--color-green-dark); transform: translateY(-2px); }

/* ---------- Servizi ---------- */

.servizi { padding: var(--space-6) 0; }

.servizi__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.servizi__card {
  border: 3px solid var(--color-black);
  border-radius: var(--radius);
  padding: var(--space-4);
  background: var(--color-gray-100);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.servizi__card:hover {
  transform: translateY(-4px);
  box-shadow: 6px 6px 0 var(--color-black);
}

.servizi__card--main {
  background: var(--color-green);
  color: var(--color-white);
  border-color: var(--color-black);
}

.servizi__card h3 {
  font-size: 1.5rem;
  margin-bottom: var(--space-2);
}

@media (min-width: 720px) {
  .servizi__grid { grid-template-columns: 1.3fr 1fr; }
}

/* ---------- Cosa lavoriamo ---------- */

.lavorati { padding: var(--space-6) 0; background: var(--color-gray-100); }

.lavorati__grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2);
}

.lavorati__item {
  background: var(--color-white);
  border: 2px solid var(--color-black);
  border-radius: var(--radius);
  padding: var(--space-3);
  text-align: center;
  font-weight: 700;
  font-size: 1.1rem;
}

@media (min-width: 720px) {
  .lavorati__grid { grid-template-columns: repeat(3, 1fr); }
}

/* ---------- Settori ---------- */

.settori { padding: var(--space-6) 0; text-align: center; }

.settori__badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
}

.badge {
  border: 2px solid var(--color-black);
  border-radius: 999px;
  padding: var(--space-1) var(--space-3);
  font-weight: 700;
  background: var(--color-white);
}

.badge--accent {
  background: var(--color-yellow);
}

/* ---------- Perché noi ---------- */

.perche-noi { padding: var(--space-6) 0; background: var(--color-black); color: var(--color-white); }

.perche-noi__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.perche-noi__card {
  border: 2px solid var(--color-yellow);
  border-radius: var(--radius);
  padding: var(--space-4);
}

.perche-noi__card h3 {
  color: var(--color-yellow);
  margin-bottom: var(--space-2);
}

@media (min-width: 720px) {
  .perche-noi__grid { grid-template-columns: 1fr 1fr; }
}

/* ---------- Galleria ---------- */

.galleria { padding: var(--space-6) 0; }

.galleria__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2);
}

.galleria__img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border: 3px solid var(--color-black);
  border-radius: var(--radius);
}

@media (min-width: 720px) {
  .galleria__grid { grid-template-columns: repeat(3, 1fr); }
}

/* ---------- Form preventivo ---------- */

.preventivo { padding: var(--space-6) 0; background: var(--color-gray-100); }

.preventivo__inner { max-width: 560px; }

.form { display: flex; flex-direction: column; gap: var(--space-2); }

.form__field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-weight: 600;
}

.form__field input,
.form__field textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: var(--space-1) var(--space-2);
  border: 2px solid var(--color-black);
  border-radius: var(--radius);
}

.form__submit {
  align-self: flex-start;
  background: var(--color-green);
  color: var(--color-white);
  font-weight: 700;
  border: 2px solid var(--color-black);
  border-radius: var(--radius);
  padding: var(--space-2) var(--space-4);
  font-size: 1.1rem;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease;
}
.form__submit:hover { background: var(--color-green-dark); transform: translateY(-2px); }

.form__status {
  font-weight: 700;
  min-height: 1.2em;
}
.form__status--ok { color: var(--color-green-dark); }

/* ---------- Footer ---------- */

.footer {
  background: var(--color-black);
  color: var(--color-white);
  padding: var(--space-3) 0;
}

.footer__inner {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  justify-content: center;
  text-align: center;
  font-size: 0.9rem;
}