/* ============================================================
   Studio Carollo & Associati — stylesheet
   Direzione: minimal / clinico — bianco, blu, verde
   ============================================================ */

:root {
  /* colore */
  --bg:          #FAFBFA;
  --surface:     #FFFFFF;
  --ink:         #16242A;
  --ink-soft:    #4C5F61;
  --ink-faint:   #7C8C8D;
  --teal:        #1F6F66;
  --teal-deep:   #123F39;
  --teal-tint:   #E7F1EE;
  --blue:        #3A6EA5;
  --blue-tint:   #EAF1F8;
  --sage:        #EAF1EC;
  --line:        #DEE6E2;
  --line-strong: #C7D4CE;

  /* tipografia */
  --font-display: "Source Serif 4", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "SF Mono", monospace;

  /* misure */
  --maxw: 1120px;
  --radius: 10px;
  --shadow-soft: 0 1px 2px rgba(18,63,57,0.04), 0 8px 24px rgba(18,63,57,0.06);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--teal);
  text-decoration: none;
}
a:hover { color: var(--teal-deep); }

:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
  border-radius: 4px;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--teal-deep);
  margin: 0 0 0.5em;
  font-weight: 600;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.1rem, 4.2vw, 3.4rem); line-height: 1.12; }
h2 { font-size: clamp(1.5rem, 2.6vw, 2.05rem); line-height: 1.2; }
h3 { font-size: 1.25rem; line-height: 1.3; }

p { margin: 0 0 1.1em; color: var(--ink-soft); }
p:last-child { margin-bottom: 0; }

.lede {
  font-size: 1.15rem;
  color: var(--ink-soft);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  margin-bottom: 0.9em;
}

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 28px;
}

.section {
  padding: 64px 0;
}
.section--tight { padding: 40px 0; }
.section--sage { background: var(--sage); }

.quote {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--teal-deep);
  line-height: 1.4;
  border-left: 3px solid var(--teal);
  padding-left: 1.1em;
  margin: 0;
}
.quote cite {
  display: block;
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 0.78rem;
  color: var(--ink-faint);
  letter-spacing: 0.05em;
  margin-top: 0.7em;
}

/* ---------- wave motif (firma visiva) ---------- */
.wave-divider {
  display: block;
  width: 100%;
  height: 28px;
  color: var(--line-strong);
}
.wave-divider--brand { color: var(--teal); opacity: 0.55; }

.mark {
  flex-shrink: 0;
}

/* ---------- header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250,251,250,0.92);
  backdrop-filter: saturate(140%) blur(6px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--teal-deep);
}
.brand-word {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.08rem;
  line-height: 1.15;
}
.brand-word small {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
  text-transform: uppercase;
}
.brand:hover { color: var(--teal-deep); }

.nav-links {
  display: flex;
  gap: 20px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.9rem;
}
.nav-links a {
  color: var(--ink-soft);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}
.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--teal-deep);
  border-bottom-color: var(--teal);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  width: 42px;
  height: 38px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--teal-deep);
  position: relative;
  transition: 0.2s;
}
.nav-toggle span::before { content: ""; position: absolute; top: -6px; }
.nav-toggle span::after { content: ""; position: absolute; top: 6px; }

/* ---------- hero ---------- */
.hero {
  position: relative;
  padding: 76px 0 64px;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
.hero h1 { margin-bottom: 0.55em; }
.hero-wave {
  position: absolute;
  inset: auto 0 -10px 0;
  width: 100%;
  color: var(--teal);
  opacity: 0.12;
  z-index: 0;
}
.hero-art {
  position: relative;
  z-index: 1;
}
.hero-art svg { width: 100%; height: auto; }

.hero-portrait {
  position: relative;
  z-index: 1;
  max-width: 320px;
  margin: 0 auto;
}
.hero-portrait .frame {
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
  background: var(--surface);
}
.hero-portrait img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  display: block;
}
.hero-portrait .wave-divider {
  height: 16px;
  margin-top: 14px;
  color: var(--teal);
  opacity: 0.7;
}
.hero-portrait .caption {
  margin-top: 6px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.cta-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 1.8em;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: 0.15s ease;
}
.btn--primary {
  background: var(--teal);
  color: #fff;
}
.btn--primary:hover { background: var(--teal-deep); color: #fff; }
.btn--ghost {
  background: transparent;
  border-color: var(--line-strong);
  color: var(--teal-deep);
}
.btn--ghost:hover { border-color: var(--teal); background: var(--teal-tint); color: var(--teal-deep); }

/* ---------- cards / grid ---------- */
.grid {
  display: grid;
  gap: 22px;
}
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
  box-shadow: var(--shadow-soft);
}
.card h3 { margin-bottom: 0.4em; }
.card p { font-size: 0.96rem; margin-bottom: 0.8em; }
.card-link {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.icon-chip {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--teal-tint);
  color: var(--teal);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

/* ---------- timeline (storia) ---------- */
.timeline {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
  border-left: 2px solid var(--line-strong);
}
.timeline li {
  position: relative;
  padding: 0 0 36px 32px;
}
.timeline li:last-child { padding-bottom: 0; }
.timeline li::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--teal);
  border: 2px solid var(--bg);
}
.timeline .year {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--teal);
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 0.3em;
}

/* ---------- glossario (termini) ---------- */
.glossary {
  display: grid;
  gap: 18px;
}
.glossary-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 22px 24px;
}
.glossary-item h3 {
  color: var(--teal-deep);
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.glossary-item h3 .tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  color: var(--ink-faint);
  font-weight: 500;
  letter-spacing: 0.08em;
}
.glossary-item p { font-size: 0.97rem; }

.callout {
  background: var(--blue-tint);
  border: 1px solid #cfe0ef;
  border-radius: var(--radius);
  padding: 22px 24px;
  margin: 28px 0;
}
.callout h3 { color: var(--blue); }
.callout p { font-size: 0.96rem; color: var(--ink-soft); }

/* ---------- location cards (dove siamo) ---------- */
.location-card {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow-soft);
}
.location-card .eyebrow { margin-bottom: 0.5em; }
.location-card address {
  font-style: normal;
  color: var(--ink-soft);
  margin: 0 0 0.9em;
  line-height: 1.55;
}
.location-card .phones {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  color: var(--teal-deep);
  margin-bottom: 1em;
}
.location-card .phones a { display: block; color: var(--teal-deep); }

/* ---------- skills table (curriculum) ---------- */
.skills-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}
.skills-table th {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  text-align: left;
  padding: 0 14px 10px 0;
  border-bottom: 1px solid var(--line-strong);
}
.skills-table td {
  padding: 12px 14px 12px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
}
.skills-table td:first-child, .skills-table th:first-child {
  color: var(--teal-deep);
  font-weight: 600;
}

/* ---------- gallery ---------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.gallery-item {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 0;
  cursor: zoom-in;
  display: block;
  position: relative;
}
.gallery-item img {
  width: 100%;
  height: 230px;
  object-fit: cover;
  display: block;
  transition: transform 0.35s ease;
}
.gallery-item:hover img { transform: scale(1.04); }
.gallery-item.wide { grid-column: span 2; }

/* lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(15, 26, 28, 0.92);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 24px;
}
.lightbox.is-open { display: flex; }
.lightbox img {
  max-width: min(92vw, 1100px);
  max-height: 84vh;
  border-radius: 6px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}
.lightbox-caption {
  position: absolute;
  bottom: 22px;
  left: 0;
  right: 0;
  text-align: center;
  color: #DCEAE6;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
}
.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.25);
  color: #fff;
  border-radius: 999px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover { background: rgba(255,255,255,0.18); }
.lightbox-close { top: 20px; right: 20px; }
.lightbox-prev { left: 20px; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 20px; top: 50%; transform: translateY(-50%); }

/* ---------- contatti ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}
.contact-method {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.contact-method:last-child { border-bottom: none; }
.contact-method .icon-chip { margin-bottom: 0; }
.contact-method h3 { margin-bottom: 0.15em; font-size: 1.05rem; }
.contact-method p { margin: 0; font-size: 0.95rem; }
.contact-method a { color: var(--ink); font-weight: 600; }
.contact-method a:hover { color: var(--teal); }

/* ---------- footer ---------- */
.site-footer {
  background: var(--teal-deep);
  color: #DCEAE6;
  margin-top: 60px;
}
.site-footer .wave-divider { color: var(--teal-deep); background: var(--bg); }
.footer-inner {
  padding: 48px 0 28px;
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 32px;
}
.footer-inner h4 {
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.9em;
}
.footer-inner p, .footer-inner a { color: #BFD8D2; font-size: 0.92rem; }
.footer-inner a:hover { color: #fff; }
.footer-brand .brand-word { color: #fff; }
.footer-brand .brand-word small { color: #9FC2BB; }
.footer-tagline { margin-top: 10px; max-width: 320px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding: 18px 0 28px;
  font-size: 0.82rem;
  color: #9FC2BB;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.footer-list { list-style: none; padding: 0; margin: 0; }
.footer-list li { margin-bottom: 0.5em; }

/* ---------- prose page (come curiamo, termini, storia) ---------- */
.prose {
  max-width: 760px;
}
.prose h2 { margin-top: 1.6em; }
.prose h2:first-child { margin-top: 0; }

.page-hero {
  padding: 56px 0 40px;
  border-bottom: 1px solid var(--line);
}
.page-hero .eyebrow { margin-bottom: 0.7em; }
.page-hero p.lede { max-width: 700px; }

/* ---------- back link ---------- */
.back-link {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-art, .hero-portrait { order: -1; max-width: 280px; margin: 0 auto; }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-item.wide { grid-column: span 2; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .site-header.is-open .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    padding: 18px 28px 26px;
    gap: 16px;
  }
}

@media (max-width: 680px) {
  body { font-size: 16px; }
  .grid--4, .grid--3, .grid--2 { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; padding: 40px 0 20px; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .gallery-item img { height: 200px; }
  .gallery-item.wide { grid-column: span 1; }
  .section { padding: 44px 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-wave path, .draw-in { animation: none !important; }
}

/* page-load wave draw-in */
.draw-in {
  stroke-dasharray: 1600;
  stroke-dashoffset: 1600;
  animation: drawline 2.2s ease-out forwards;
}
@keyframes drawline {
  to { stroke-dashoffset: 0; }
}