/* ==========================================================
   Studio Cavalieri d'Oro — Amministrazioni Condominiali
   Palette derivata dal logo: navy #233649 / rosso #C6271C
   Tipografia: Archivo (titoli) · IBM Plex Sans (testo)
   ========================================================== */

:root {
  --navy:       #233649;
  --navy-deep:  #17242F;
  --red:        #C6271C;
  --red-dark:   #A31F16;
  --paper:      #F7F7F4;
  --white:      #FFFFFF;
  --ink:        #232B33;
  --slate:      #5C6B79;
  --line:       #DFE3E7;
  --line-dark:  #35485C;

  --font-display: 'Archivo', system-ui, sans-serif;
  --font-body:    'IBM Plex Sans', system-ui, sans-serif;
  --font-mono:    'IBM Plex Mono', monospace;

  --container: 1140px;
  --radius: 6px;
}

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

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
  font-size: 1.0625rem;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--red); }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--red);
  outline-offset: 2px;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--navy); color: #fff; padding: .6rem 1rem; z-index: 100;
}
.skip-link:focus { left: 0; }

/* ---------- Tipografia ---------- */
h1, h2, h3 {
  font-family: var(--font-display);
  color: var(--navy);
  line-height: 1.12;
  letter-spacing: -0.015em;
}
h1 { font-size: clamp(2.1rem, 4.6vw, 3.4rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); font-weight: 800; margin-bottom: 1rem; }
h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: .5rem; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: .8rem;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: .75rem;
}
.eyebrow-light { color: #F0A9A3; }

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

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 76px; gap: 1rem;
}
.brand-logo { height: 56px; width: auto; }

.site-nav { display: flex; align-items: center; gap: 1.6rem; }
.site-nav a {
  font-family: var(--font-display);
  font-weight: 700; font-size: .95rem;
  color: var(--navy); text-decoration: none;
  padding: .35rem 0;
  border-bottom: 3px solid transparent;
}
.site-nav a:hover { border-bottom-color: var(--red); }
.site-nav .nav-cta {
  background: var(--red); color: #fff;
  padding: .55rem 1.1rem; border-radius: var(--radius);
  border-bottom: none;
}
.site-nav .nav-cta:hover { background: var(--red-dark); }

.nav-toggle {
  display: none;
  flex-direction: column; gap: 5px;
  background: none; border: 0; cursor: pointer; padding: .5rem;
}
.nav-toggle span {
  width: 26px; height: 3px; background: var(--navy); display: block;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: var(--paper);
  padding: 4.5rem 0 5.5rem;
  overflow: hidden;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 3rem;
  align-items: center;
}
.hero-lead {
  font-size: 1.15rem; color: var(--slate);
  margin: 1.25rem 0 2rem; max-width: 34rem;
}
.hero-actions { display: flex; gap: .9rem; flex-wrap: wrap; }

.btn {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 700; font-size: 1rem;
  padding: .85rem 1.6rem;
  border-radius: var(--radius);
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
}
.btn-primary { background: var(--red); color: #fff; }
.btn-primary:hover { background: var(--red-dark); }
.btn-ghost { border-color: var(--navy); color: var(--navy); background: transparent; }
.btn-ghost:hover { background: var(--navy); color: #fff; }
.btn-full { width: 100%; }

.hero-badge {
  justify-self: center;
  text-align: center;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2rem 2.4rem;
  box-shadow: 0 12px 32px rgba(35, 54, 73, .08);
}
.badge-roof { width: 150px; margin: 0 auto .5rem; }
.badge-year {
  font-family: var(--font-display);
  font-size: 3rem; font-weight: 800; color: var(--navy);
  line-height: 1;
}
.badge-caption {
  font-family: var(--font-mono);
  font-size: .78rem; letter-spacing: .08em; text-transform: uppercase;
  color: var(--slate); margin-top: .4rem;
}

/* Profilo di tetti — firma grafica ripresa dal logo */
.roofline {
  position: absolute; left: 0; right: 0; bottom: -1px;
  color: var(--navy);
  line-height: 0;
}
.roofline svg { width: 100%; height: 42px; }

/* ---------- Sezioni ---------- */
.section { padding: 4.5rem 0; }
.section-tint { background: var(--paper); }
.section-dark {
  background: var(--navy);
  color: #E7ECF1;
}
.section-dark h2 { color: #fff; }
.section-dark a { color: #F6C2BD; }

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 3rem;
  align-items: start;
}
.section-body p + p { margin-top: 1rem; }
.narrow { max-width: 760px; }
.narrow p + p { margin-top: 1rem; }

/* ---------- Card servizi ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
  margin-top: 2.2rem;
}
.card {
  background: var(--navy-deep);
  border: 1px solid var(--line-dark);
  border-top: 4px solid var(--red);
  border-radius: var(--radius);
  padding: 1.8rem 1.6rem;
}
.card h3 { color: #fff; }
.card p { color: #C4CFDA; font-size: .98rem; }

/* ---------- Formazione ---------- */
.confai-badge {
  display: inline-block;
  margin-top: 1.2rem;
  font-family: var(--font-mono);
  font-size: .85rem;
  border: 2px solid var(--navy);
  border-radius: var(--radius);
  padding: .5rem .9rem;
  color: var(--navy);
}

/* ---------- Zone ---------- */
.zone-list {
  list-style: none;
  margin-top: 1.4rem;
  display: grid;
  gap: .5rem;
}
.zone-list li {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--navy);
  padding-left: 1.4rem;
  position: relative;
}
.zone-list li::before {
  content: "";
  position: absolute; left: 0; top: .48em;
  width: .7em; height: .7em;
  background: var(--red);
  clip-path: polygon(50% 0, 100% 100%, 0 100%); /* piccolo tetto */
}

/* ---------- Contatti ---------- */
.contatti-grid { grid-template-columns: 1fr 1.1fr; }
.contact-list { list-style: none; margin-top: 1.8rem; display: grid; gap: 1rem; }
.contact-list li { display: grid; gap: .15rem; }
.contact-label {
  font-family: var(--font-mono);
  font-size: .75rem; letter-spacing: .1em; text-transform: uppercase;
  color: #9DB0C2;
}

.contact-form {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.8rem;
  display: grid; gap: 1.1rem;
}
.field { display: grid; gap: .35rem; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field label {
  font-family: var(--font-display);
  font-weight: 700; font-size: .9rem; color: var(--navy);
}
.field input, .field textarea {
  font: inherit;
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  padding: .7rem .85rem;
  color: var(--ink);
  background: #fff;
  width: 100%;
}
.field input:focus, .field textarea:focus { border-color: var(--navy); }
.hp { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }
.privacy-note { font-size: .82rem; color: var(--slate); }

.form-alert {
  border-radius: var(--radius);
  padding: .9rem 1.1rem;
  margin-bottom: 1.1rem;
  font-weight: 600;
}
.form-alert-ok  { background: #E4F3E6; color: #1E6B2C; border: 1px solid #BBDFC1; }
.form-alert-err { background: #FBE7E5; color: #8F1C13; border: 1px solid #F0C1BC; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy-deep);
  color: #C4CFDA;
  position: relative;
  padding-bottom: 1.5rem;
}
.roofline-footer {
  position: static;
  color: var(--red);
  background: var(--navy); /* stessa tinta della sezione contatti soprastante */
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2rem;
  padding: 3rem 1.25rem 2rem;
}
.footer-name {
  font-family: var(--font-display);
  font-weight: 800; font-size: 1.15rem; color: #fff;
}
.footer-tag { font-size: .9rem; color: #8FA2B4; margin-top: .3rem; }
.footer-label {
  font-family: var(--font-mono);
  font-size: .72rem; letter-spacing: .1em; text-transform: uppercase;
  color: #8FA2B4; margin-bottom: .4rem;
}
.site-footer a { color: #E7ECF1; text-decoration: none; }
.site-footer a:hover { color: #F6C2BD; }
.footer-legal {
  border-top: 1px solid var(--line-dark);
  padding-top: 1.2rem;
  font-size: .82rem; color: #8FA2B4;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-inner, .grid-2, .contatti-grid { grid-template-columns: 1fr; gap: 2rem; }
  .cards { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .hero-badge { justify-self: start; }
}

@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .site-nav {
    display: none;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: stretch;
    padding: 1rem 1.25rem; gap: .3rem;
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: .7rem 0; border-bottom: 1px solid var(--line); }
  .site-nav .nav-cta { text-align: center; margin-top: .6rem; }
  .field-row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .hero { padding: 3rem 0 4.5rem; }
}