/* ─────────────────────────────────────────────────────────────────────────────
   HASI Mining Services — International Upgrade Layer
   Elevación a estándar Bechtel / Fluor / Worley
───────────────────────────────────────────────────────────────────────────── */

/* ── Tokens de upgrade ───────────────────────────────────────────────────── */
:root {
  --color-amber:      #c8820a;
  --color-amber-light:#f0a832;
  --color-amber-dim:  rgba(200, 130, 10, 0.12);
  --color-navy:       #061218;
  --header-h:         40px;   /* altura utility bar */
}

/* ── Utility bar ─────────────────────────────────────────────────────────── */
.utility-bar {
  background: var(--color-navy);
  height: var(--header-h);
  display: flex;
  align-items: center;
  margin: 0;
  padding: 0;
}

.utility-bar-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.utility-certs {
  display: flex;
  align-items: center;
  gap: 1.375rem;
}

.utility-trinorma {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: "Barlow", sans-serif;
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.90);
  white-space: nowrap;
}

.utility-trinorma svg { color: var(--color-teal); flex-shrink: 0; }

.utility-cert {
  font-family: "Barlow", sans-serif;
  font-size: 0.60rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.72);
  white-space: nowrap;
}

.utility-separator {
  width: 1px;
  height: 14px;
  background: rgba(255, 255, 255, 0.09);
}

.utility-contacts {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.utility-contact {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.42);
  transition: color 150ms ease;
  white-space: nowrap;
}

.utility-contact svg { flex-shrink: 0; color: var(--color-teal); opacity: 0.75; }
.utility-contact:hover { color: rgba(255, 255, 255, 0.82); }

/* ── Site header offset (para el sticky correcto) ────────────────────────── */
[id] { scroll-margin-top: 118px; }

/* ── Hero — badge internacional ──────────────────────────────────────────── */
.hero-intl-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.45rem 1rem;
  margin-bottom: 1.5rem;
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 999px;
  font-family: "Barlow", sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.58);
}

.hero-intl-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-teal);
  flex-shrink: 0;
  animation: pulse-dot 2.4s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.35; }
}

/* ── Hero — accent line ──────────────────────────────────────────────────── */
.hero-accent-line {
  width: 52px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-teal), var(--color-green));
  border-radius: 2px;
  margin: 1.625rem 0;
}

/* ── Hero — decoración técnica derecha ───────────────────────────────────── */
.hero-home::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 42%;
  background-image:
    repeating-linear-gradient(90deg,
      transparent 0px, transparent 29px,
      rgba(255,255,255,0.018) 29px, rgba(255,255,255,0.018) 30px),
    repeating-linear-gradient(0deg,
      transparent 0px, transparent 29px,
      rgba(255,255,255,0.018) 29px, rgba(255,255,255,0.018) 30px);
  pointer-events: none;
  z-index: 0;
}

/* ── Clients trust strip ─────────────────────────────────────────────────── */
.clients-strip {
  padding: 2.75rem 0;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-line);
  overflow: hidden;
}

.clients-strip-label {
  text-align: center;
  margin-bottom: 1.875rem;
  font-family: "Barlow", sans-serif;
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.clients-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2.75rem 4rem;
  flex-wrap: wrap;
}

.client-logo-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  opacity: 0.38;
  filter: grayscale(1);
  transition: opacity 220ms ease, filter 220ms ease;
  cursor: default;
}

.client-logo-item:hover {
  opacity: 0.80;
  filter: grayscale(0.2);
}

.client-logo-name {
  font-family: "Barlow", sans-serif;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-ink);
  line-height: 1;
}

.client-logo-sub {
  font-family: "Barlow", sans-serif;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

/* ── Certifications trust section ────────────────────────────────────────── */
.section-certs {
  padding: 4rem 0;
  background: #f1f5f4;
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.certs-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2.5rem;
  flex-wrap: wrap;
}

.certs-heading {
  max-width: 28ch;
}

.certs-heading p.eyebrow { margin-bottom: 0.625rem; }

.certs-heading h3 {
  font-family: "Barlow", sans-serif;
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  font-weight: 700;
  color: var(--color-ink);
  line-height: 1.28;
  letter-spacing: -0.01em;
  margin: 0;
}

.certs-grid {
  display: flex;
  align-items: stretch;
  gap: 1rem;
  flex-wrap: wrap;
}

.cert-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.125rem 1.5rem;
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
  min-width: 200px;
}

.cert-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: rgba(13, 138, 131, 0.18);
}

.cert-card-icon {
  width: 38px;
  height: 38px;
  border-radius: 9px;
  background: linear-gradient(135deg, rgba(13,138,131,0.09), rgba(93,158,107,0.06));
  border: 1px solid rgba(13,138,131,0.14);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-teal);
  flex-shrink: 0;
}

.cert-card-text { display: flex; flex-direction: column; gap: 0.18rem; }

.cert-card-name {
  font-family: "Barlow", sans-serif;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink);
}

.cert-card-desc {
  font-size: 0.72rem;
  color: var(--color-ink-muted);
  line-height: 1.4;
}

/* ── Safety record highlight ─────────────────────────────────────────────── */
.safety-badge {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.125rem 1.5rem;
  background: linear-gradient(135deg, rgba(93,158,107,0.08), rgba(13,138,131,0.05));
  border: 1px solid rgba(93,158,107,0.22);
  border-radius: var(--radius-md);
}

.safety-badge-icon {
  width: 38px;
  height: 38px;
  border-radius: 9px;
  background: linear-gradient(135deg, rgba(93,158,107,0.16), rgba(13,138,131,0.10));
  border: 1px solid rgba(93,158,107,0.24);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-green);
  flex-shrink: 0;
}

.safety-badge-value {
  font-family: "Barlow", sans-serif;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-green);
}

.safety-badge-desc {
  font-size: 0.72rem;
  color: var(--color-ink-soft);
  line-height: 1.4;
}

/* ── Footer — upgrades ───────────────────────────────────────────────────── */
.footer-grid-intl {
  grid-template-columns: 1.8fr 1fr 1fr 1.1fr !important;
  gap: 1.75rem !important;
}

.footer-certs-col {}

.footer-iso-tags {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-top: 0.375rem;
}

.footer-iso-tag {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.3rem 0.6rem;
  border: 1px solid rgba(255, 255, 255, 0.075);
  border-radius: 4px;
  font-family: "Barlow", sans-serif;
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.32);
  transition: border-color 150ms ease, color 150ms ease;
}

.footer-iso-tag:hover {
  border-color: rgba(13,138,131,0.28);
  color: rgba(255,255,255,0.55);
}

.footer-iso-tag svg { color: var(--color-teal); opacity: 0.6; flex-shrink: 0; }

.footer-iso-desc {
  font-size: 0.60rem;
  color: rgba(255,255,255,0.20);
  margin-top: 0.625rem;
  line-height: 1.5;
}

/* ── Footer social links ─────────────────────────────────────────────────── */
.footer-social {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.875rem;
}

.footer-social-link {
  width: 34px;
  height: 34px;
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.07);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.35);
  transition: background 150ms ease, color 150ms ease, border-color 150ms ease;
}

.footer-social-link:hover {
  background: rgba(13, 138, 131, 0.16);
  border-color: rgba(13, 138, 131, 0.28);
  color: var(--color-teal);
}

/* ── Counter animation ───────────────────────────────────────────────────── */
.metric-card strong.counting { color: var(--color-teal); }

/* ── CTA section — upgrade ───────────────────────────────────────────────── */
.cta-strip-intl {
  background:
    linear-gradient(135deg, rgba(6,18,24,0.96) 0%, rgba(9,26,32,0.88) 100%),
    url('https://images.pexels.com/photos/18337612/pexels-photo-18337612.jpeg') center/cover no-repeat !important;
}

.cta-strip-intl::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--color-teal), var(--color-green));
}

/* ── Mejoras en metric-card ──────────────────────────────────────────────── */
.metric-card-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: rgba(13,138,131,0.12);
  border: 1px solid rgba(13,138,131,0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-teal);
  margin-bottom: 0.875rem;
}

/* ── Responsive upgrades ─────────────────────────────────────────────────── */
@media (max-width: 960px) {
  .footer-grid-intl {
    grid-template-columns: 1fr 1fr !important;
  }
  .certs-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 820px) {
  .utility-bar { height: auto; padding: 0.45rem 0; }
  .utility-certs { display: none; }
  .utility-contacts { justify-content: flex-end; width: 100%; }
  .utility-separator { display: none; }
  .footer-grid-intl {
    grid-template-columns: 1fr !important;
  }
  .certs-grid { flex-direction: column; }
  .cert-card { min-width: auto; width: 100%; }
  .clients-logos { gap: 1.5rem 2.5rem; }
}

@media (max-width: 640px) {
  .hero-intl-badge { font-size: 0.62rem; padding: 0.4rem 0.875rem; }
  [id] { scroll-margin-top: 100px; }
  .section-certs { padding: 3rem 0; }
  .certs-inner { gap: 1.5rem; }
}

/* ── Header scrolled state (more opaque after leaving hero) ─────────────── */
.site-header { transition: background 300ms ease, box-shadow 300ms ease; }

.site-header.header-scrolled {
  background: rgba(255, 255, 255, 0.98) !important;
  box-shadow: 0 2px 24px rgba(6, 20, 26, 0.10);
}

/* Hide utility bar on scroll (page-home only) */
.page-home .site-header .utility-bar {
  transition: max-height 300ms ease, opacity 300ms ease;
  max-height: 60px;
  overflow: hidden;
}

.page-home .site-header.header-scrolled .utility-bar {
  max-height: 0;
  opacity: 0;
}

/* ── Section heading — better width constraint ───────────────────────────── */
.section-heading h2 { max-width: min(33.333%, 520px); }

@media (max-width: 820px) {
  .section-heading h2 { max-width: 100%; }
}

/* ── Info card icon — top accent ─────────────────────────────────────────── */
.info-card.info-card-icon {
  border-top: 3px solid transparent;
  transition:
    transform 220ms ease,
    box-shadow 220ms ease,
    border-color 220ms ease,
    border-top-color 220ms ease;
}
.info-card.info-card-icon:hover { border-top-color: var(--color-teal); }

/* ── Project card number label ───────────────────────────────────────────── */
.project-card { position: relative; overflow: hidden; }
.project-card::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-teal), var(--color-green));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 300ms ease;
}
.project-card:hover::after { transform: scaleX(1); }

/* ── Metric grid — siempre 4 columnas en desktop ────────────────────────── */
.intro-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
  border-radius: 0 !important;
  border: none !important;
}

@media (max-width: 820px) {
  .intro-grid { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
}

@media (max-width: 420px) {
  .intro-grid { grid-template-columns: 1fr !important; }
}

/* ── section-dark — subtle gradient overlay ─────────────────────────────── */
.section-dark {
  background:
    radial-gradient(ellipse at 10% 50%, rgba(13,138,131,0.08) 0%, transparent 55%),
    var(--color-dark) !important;
}