/* =============================================================
   servicios.css — Página de Servicios
   Ingeniería y Dragados Tala
   Depends on: styles.css (tokens, reset, blobs, nav, footer, CTA)
   ============================================================= */

/* ── Active nav link ── */
.nav-link--active {
  color: var(--accent) !important;
  background: hsla(245, 166, 35, 0.08);
}

/* ═══════════════════════════════════════════
   PAGE HERO
═══════════════════════════════════════════ */
.page-hero {
  position: relative;
  min-height: 62vh;
  display: flex;
  align-items: center;
  padding-top: 6rem;           /* clear fixed nav (4rem) + extra */
  padding-bottom: 4rem;
  overflow: hidden;
  isolation: isolate;
}

/* Reuse .hero-grid from styles.css — it's a background overlay */
.page-hero .hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(hsla(0,0%,100%,.03) 1px, transparent 1px),
    linear-gradient(90deg, hsla(0,0%,100%,.03) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
  z-index: 0;
}

.page-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.page-hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
  margin-top: 0.75rem;
}

.page-hero-title em {
  font-style: normal;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-hero-sub {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--text-muted);
  line-height: 1.65;
  max-width: 640px;
  margin-bottom: 2.5rem;
}

/* ── Service Quick Nav ── */
.service-quicknav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  row-gap: 0.5rem;
}

.sqn-item {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-pill);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, color 0.2s, transform 0.15s;
  white-space: nowrap;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.sqn-item:hover,
.sqn-item:focus-visible {
  background: hsla(245, 166, 35, 0.12);
  border-color: hsla(245, 166, 35, 0.4);
  color: var(--accent);
  transform: translateY(-1px);
  outline: none;
}

/* ═══════════════════════════════════════════
   SERVICE SECTIONS — alternating layout
═══════════════════════════════════════════ */
.srv-section {
  padding: clamp(4rem, 8vw, 7rem) 0;
  position: relative;
}

.srv-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--bg);
  z-index: 0;
}

.srv-section--alt::before {
  background: var(--bg-2);
}

.srv-section > * { position: relative; z-index: 1; }
.srv-section .container { position: relative; z-index: 1; }

/* Subtle divider line between sections */
.srv-section + .srv-section::after {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(900px, 90%);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--glass-border-a), transparent);
}

/* ── Two-column grid ── */
.srv-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: start;
}

/* ── Section number ── */
.srv-num {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
  opacity: 0.8;
}

/* ── Service title ── */
.srv-title {
  font-size: clamp(1.75rem, 3.5vw, 2.6rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin-bottom: 1.25rem;
}

.srv-title em {
  font-style: normal;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Body copy ── */
.srv-desc {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.srv-desc:last-of-type { margin-bottom: 1.5rem; }

/* ── Feature list ── */
.srv-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  margin-bottom: 2rem;
}

.srv-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.srv-features li::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  margin-top: 0.45em;
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════
   RIGHT COLUMN — EQUIPMENT CARDS
═══════════════════════════════════════════ */
.srv-equipment {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.srv-eq-title {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.25rem;
}

.srv-eq-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.srv-eq-card {
  display: flex;
  align-items: center;
  gap: 1.125rem;
  padding: 0.9rem 1.25rem;
  background: var(--glass-bg);
  border-bottom: 1px solid var(--glass-border);
  transition: background 0.2s, padding-left 0.2s;
}

.srv-eq-card:last-child {
  border-bottom: none;
}

.srv-eq-card:hover {
  background: hsla(0,0%,100%,.06);
  padding-left: 1.625rem;
}

/* Industrial number counter replacing emoji */
.srv-eq-num {
  font-size: 0.625rem;
  font-weight: 900;
  letter-spacing: 0.05em;
  color: var(--accent);
  opacity: 0.7;
  flex-shrink: 0;
  width: 1.5rem;
  text-align: right;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.srv-eq-card div {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  flex: 1;
}

.srv-eq-card strong {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
}

.srv-eq-card span {
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 0.01em;
}

/* ═══════════════════════════════════════════
   RIGHT COLUMN — STATS GRID
═══════════════════════════════════════════ */
.srv-visual {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.srv-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.srv-stat-box {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1.25rem 1.125rem;
  border-radius: var(--radius-sm);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: background 0.2s, border-color 0.2s;
}

.srv-stat-box:hover {
  background: hsla(0,0%,100%,.07);
  border-color: var(--glass-border-a);
}

.srv-stat-val {
  font-size: clamp(1.25rem, 2.5vw, 1.625rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}

.srv-stat-lbl {
  font-size: 0.75rem;
  color: var(--text-dim);
  line-height: 1.4;
}

/* ── Note / highlight box ── */
.srv-note {
  padding: 1.25rem 1.375rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
  border-left: 3px solid var(--accent);
}

.srv-note strong {
  color: var(--accent);
  font-weight: 600;
}

/* ── Clients list ── */
.srv-clients-box {
  padding: 1.5rem 1.625rem;
  border-radius: var(--radius-sm);
}

.srv-clients-box h4 {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 1rem;
}

.client-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.client-list li {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.cl-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gradient-brand);
  flex-shrink: 0;
}

/* ── Certifications ── */
.srv-cert-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.srv-cert {
  flex: 1;
  min-width: 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  padding: 0.875rem 0.5rem;
  border-radius: var(--radius-sm);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  text-align: center;
  transition: background 0.2s, border-color 0.2s;
}

.srv-cert:hover {
  background: hsla(0,0%,100%,.07);
  border-color: var(--glass-border-a);
}

.srv-cert span {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.01em;
}

.srv-cert small {
  font-size: 0.6875rem;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ═══════════════════════════════════════════
   RIGHT COLUMN — PROCESS STEPS
═══════════════════════════════════════════ */
.srv-process {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.srv-steps {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}

/* vertical connector line */
.srv-steps::before {
  content: '';
  position: absolute;
  left: 1.125rem;
  top: 2.25rem;
  bottom: 2.25rem;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--accent-3), transparent);
  opacity: 0.3;
  pointer-events: none;
}

.srv-step {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 1.125rem 0;
  position: relative;
}

.srv-step:not(:last-child) {
  border-bottom: 1px solid var(--glass-border);
}

.step-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-pill);
  background: var(--gradient-brand);
  font-size: 0.6875rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 0 0 4px var(--bg), 0 0 0 5px hsla(0,0%,100%,.08);
  z-index: 1;
  position: relative;
}

.srv-section--alt .step-num {
  box-shadow: 0 0 0 4px var(--bg-2), 0 0 0 5px hsla(0,0%,100%,.08);
}

.srv-step div {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding-top: 0.35rem;
}

.srv-step strong {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.2;
}

.srv-step p {
  font-size: 0.85rem;
  color: var(--text-dim);
  line-height: 1.55;
  margin: 0;
}

/* ═══════════════════════════════════════════
   DESKTOP — Two-column layout
═══════════════════════════════════════════ */
@media (min-width: 800px) {
  .srv-grid {
    grid-template-columns: 55fr 45fr;
    gap: 4.5rem;
    align-items: start;
  }

  .srv-grid--reverse {
    direction: rtl;
  }

  .srv-grid--reverse > * {
    direction: ltr;
  }

  .srv-eq-list {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .srv-grid {
    gap: 6rem;
  }

  .service-quicknav {
    gap: 0.625rem;
  }
}

/* ═══════════════════════════════════════════
   REDUCED MOTION
═══════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  .sqn-item,
  .srv-eq-card,
  .srv-stat-box,
  .srv-cert { transition: none; }
}