/* ============================================================
   COSTRUZIONI FERRARA — Pagine servizio (shared)
   Eredita token da ../css/00-base.css
   ============================================================ */

/* ── page shell ── */
.srv-page { min-height: 100vh; }

/* ── hero ── */
.srv-hero {
  padding-top: 120px;
  padding-bottom: clamp(48px, 8vw, 96px);
  background: var(--anthracite);
  border-bottom: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.srv-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 80% 50%, rgba(255,106,26,.07), transparent);
  pointer-events: none;
}
.srv-hero .wrap { position: relative; }

.srv-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--fog-dim);
  margin-bottom: 20px;
}
.srv-breadcrumb a { color: var(--fog); transition: color .2s; }
.srv-breadcrumb a:hover { color: var(--orange); }
.srv-breadcrumb span { color: var(--concrete); }

.srv-hero-title {
  font-family: var(--font-display);
  font-size: clamp(44px, 8vw, 100px);
  text-transform: uppercase;
  line-height: .9;
  letter-spacing: .003em;
  margin: 0 0 24px;
}
.srv-hero-title .o { color: var(--orange); }

.srv-hero-lead {
  font-size: clamp(16px, 1.6vw, 20px);
  color: var(--fog);
  max-width: 52ch;
  line-height: 1.65;
  margin: 0 0 32px;
}

.srv-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.srv-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  padding: 5px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 20px;
  color: var(--fog);
}

/* ── back link ── */
.srv-back {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 32px;
  transition: opacity .2s;
}
.srv-back:hover { opacity: .65; }

/* ── body layout: content + sidebar ── */
.srv-body {
  padding-block: clamp(64px, 10vw, 120px);
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: clamp(40px, 6vw, 80px);
  align-items: start;
}

/* ── content column ── */
.srv-content h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 36px);
  text-transform: uppercase;
  line-height: .95;
  margin: 0 0 20px;
}
.srv-content h2 .o { color: var(--orange); }

.srv-content p {
  color: var(--fog);
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.75;
  margin-bottom: 20px;
  max-width: 65ch;
}

.srv-perche-title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--orange);
  margin: 40px 0 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.srv-perche-title::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--orange);
  display: inline-block;
  flex-shrink: 0;
}

.srv-perche {
  list-style: none;
  padding: 0;
  margin: 0 0 40px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.srv-perche li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.srv-perche li::before {
  content: '→';
  color: var(--orange);
  font-family: var(--font-mono);
  font-size: 13px;
  flex-shrink: 0;
  margin-top: 2px;
}
.srv-perche li strong { display: block; color: var(--white); margin-bottom: 2px; }
.srv-perche li span { color: var(--fog); font-size: 14px; line-height: 1.5; }

/* ── sidebar ── */
.srv-sidebar {
  position: sticky;
  top: 96px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* ── gallery ── */
.srv-gallery-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.srv-gallery-grid a {
  display: block;
  border-radius: 6px;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--surface);
}
.srv-gallery-grid a:first-child {
  grid-column: 1 / -1;
  aspect-ratio: 16 / 9;
}
.srv-gallery-grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .4s var(--ease-out), opacity .2s;
}
.srv-gallery-grid a:hover img { transform: scale(1.04); }

/* ── CTA box ── */
.srv-cta-box {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
}
.srv-cta-box p {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--fog-dim);
  margin: 0 0 12px;
}
.srv-cta-box .btn { display: block; text-align: center; }

/* lightbox for service gallery */
.srv-lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.94);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}
.srv-lightbox.open { display: flex; }
.srv-lightbox img { max-width: 90vw; max-height: 90vh; object-fit: contain; border-radius: 4px; }
.srv-lb-close {
  position: absolute; top: 20px; right: 24px;
  background: none; border: none; color: var(--white);
  font-size: 22px; cursor: pointer; opacity: .6; transition: opacity .2s;
}
.srv-lb-close:hover { opacity: 1; }

/* ── altri servizi ── */
.srv-altri {
  background: var(--surface);
  border-top: 1px solid var(--line);
  padding-block: clamp(48px, 7vw, 80px);
}
.srv-altri h3 {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.5vw, 32px);
  text-transform: uppercase;
  margin: 0 0 28px;
}
.srv-altri-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}
.srv-altri-link {
  display: block;
  padding: 16px 20px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--fog);
  transition: border-color .2s, color .2s;
}
.srv-altri-link:hover { border-color: var(--orange); color: var(--white); }
.srv-altri-link span { display: block; font-family: var(--font-mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--fog-dim); margin-bottom: 4px; }

/* ── responsive ── */
@media (max-width: 900px) {
  .srv-body { grid-template-columns: 1fr; }
  .srv-sidebar { position: static; }
}
@media (max-width: 600px) {
  .srv-hero { padding-top: 88px; }
  .srv-gallery-grid { grid-template-columns: 1fr; }
  .srv-gallery-grid a:first-child { grid-column: 1; }
}

/* ============================================================
   SERVIZI INDEX — overview page
   ============================================================ */

.srv-index-hero {
  padding-top: 120px;
  padding-bottom: clamp(48px, 7vw, 80px);
  background: var(--anthracite);
  border-bottom: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.srv-index-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 80% 50%, rgba(255,106,26,.06), transparent);
  pointer-events: none;
}
.srv-index-hero .wrap { position: relative; }

.srv-index-kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--orange);
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.srv-index-kicker::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--orange);
  flex-shrink: 0;
}

.srv-index-title {
  font-family: var(--font-display);
  font-size: clamp(56px, 10vw, 130px);
  text-transform: uppercase;
  line-height: .88;
  margin: 0 0 28px;
}
.srv-index-title .o { color: var(--orange); }

.srv-index-lead {
  font-size: clamp(15px, 1.5vw, 18px);
  color: var(--fog);
  max-width: 55ch;
  line-height: 1.7;
  margin: 0;
}

/* grid */
.srv-index-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3px;
  background: var(--ink);
}

.srv-index-card {
  position: relative;
  aspect-ratio: 5/4;
  overflow: hidden;
  display: block;
  background: var(--surface) center/cover no-repeat;
}
.srv-index-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top,
    rgba(14,15,17,.92) 0%,
    rgba(14,15,17,.40) 55%,
    rgba(14,15,17,.10) 100%);
  transition: background .4s ease;
  z-index: 1;
}
.srv-index-card:hover::before {
  background: linear-gradient(to top,
    rgba(255,106,26,.88) 0%,
    rgba(14,15,17,.72) 60%,
    rgba(14,15,17,.20) 100%);
}

.srv-index-card-inner {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(20px, 3vw, 36px);
  transition: transform .4s var(--ease-out);
}
.srv-index-card:hover .srv-index-card-inner { transform: translateY(-4px); }

.srv-index-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--orange);
  margin-bottom: 8px;
  opacity: .8;
}

.srv-index-card-title {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.4vw, 34px);
  text-transform: uppercase;
  line-height: .92;
  margin: 0 0 14px;
  color: var(--white);
}

.srv-index-card-cta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--white);
  opacity: .5;
  transition: opacity .25s;
  display: flex;
  align-items: center;
  gap: 8px;
}
.srv-index-card:hover .srv-index-card-cta { opacity: 1; }

/* CTA strip */
.srv-index-cta-strip {
  background: var(--surface);
  border-top: 1px solid var(--line);
  padding-block: clamp(56px, 8vw, 96px);
  text-align: center;
}
.srv-index-cta-strip h3 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 52px);
  text-transform: uppercase;
  margin: 0 0 10px;
}
.srv-index-cta-strip h3 .o { color: var(--orange); }
.srv-index-cta-strip p {
  color: var(--fog);
  font-size: 16px;
  margin: 0 0 32px;
}

/* ============================================================
   ATTIVITÀ — accordion nei dettagli servizio
   ============================================================ */

.srv-activities {
  background: var(--surface);
  border-top: 1px solid var(--line);
  padding-block: clamp(56px, 9vw, 96px);
}

.srv-act-kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--orange);
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.srv-act-kicker::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--orange);
  flex-shrink: 0;
}

.srv-act-heading {
  font-family: var(--font-display);
  font-size: clamp(36px, 6vw, 72px);
  text-transform: uppercase;
  line-height: .9;
  margin: 0 0 clamp(32px, 5vw, 56px);
}
.srv-act-heading .o { color: var(--orange); }

.srv-act-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.srv-act-item { background: var(--anthracite); }

.srv-act-btn {
  width: 100%;
  background: none;
  border: none;
  padding: 22px 28px;
  display: flex;
  align-items: center;
  gap: 16px;
  cursor: pointer;
  text-align: left;
  transition: background .2s;
}
.srv-act-btn:hover,
.srv-act-item.open .srv-act-btn { background: var(--surface-2); }

.srv-act-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--orange);
  flex-shrink: 0;
  width: 28px;
}
.srv-act-name {
  flex: 1;
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
  line-height: 1.3;
}
.srv-act-arrow {
  font-size: 22px;
  color: var(--fog);
  flex-shrink: 0;
  transition: transform .3s var(--ease), color .2s;
  font-family: var(--font-mono);
  line-height: 1;
}
.srv-act-item.open .srv-act-arrow {
  transform: rotate(45deg);
  color: var(--orange);
}

.srv-act-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s var(--ease-out);
}
.srv-act-item.open .srv-act-body { max-height: 700px; }

.srv-act-body p {
  padding: 16px 28px 24px;
  margin: 0;
  color: var(--fog);
  font-size: 14px;
  line-height: 1.75;
  border-top: 1px solid var(--line);
}

/* responsive */
@media (max-width: 900px) {
  .srv-index-grid { grid-template-columns: repeat(2, 1fr); }
  .srv-act-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .srv-index-grid { grid-template-columns: 1fr; }
  .srv-index-card { aspect-ratio: 16/9; }
}

/* ============================================================
   SCROLL REVEAL + PARALLAX + 3D TILT
   ============================================================ */

/* reveal initial state */
[data-reveal] {
  opacity: 0;
  transform: translateY(38px);
  transition: opacity 0.65s cubic-bezier(.22,.68,0,1.2),
              transform 0.65s cubic-bezier(.22,.68,0,1.2);
}
[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

/* stagger delays */
[data-reveal][data-delay="1"] { transition-delay: 0.08s; }
[data-reveal][data-delay="2"] { transition-delay: 0.16s; }
[data-reveal][data-delay="3"] { transition-delay: 0.24s; }
[data-reveal][data-delay="4"] { transition-delay: 0.32s; }
[data-reveal][data-delay="5"] { transition-delay: 0.40s; }

/* hero parallax — will-change on the wrap */
.srv-hero .wrap,
.srv-index-hero .wrap {
  will-change: transform;
}

/* 3D card tilt — smooth reset via JS */
.srv-index-card {
  will-change: transform;
}

/* respect reduced-motion */
@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .srv-hero .wrap,
  .srv-index-hero .wrap {
    transform: none !important;
    will-change: auto;
  }
  .srv-index-card {
    transform: none !important;
    will-change: auto;
  }
}