/* ==========================================================================
   Venomers — Unified Capsule Footer (Clinical Masterpiece Liquid Glass)
   ========================================================================== */

.footer-capsule-bar {
  display: flex;
  justify-content: center;
  padding-inline: clamp(16px, 4vw, 48px);
  padding-block-end: clamp(24px, 4vw, 48px);
  margin-block-start: clamp(72px, 10vw, 140px);
  pointer-events: none;
  inline-size: 100%;
  max-inline-size: 100%;
  overflow-x: clip;
  box-sizing: border-box;
  
  /* Entrance animation */
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1.1s cubic-bezier(0.16, 1, 0.3, 1), transform 1.1s cubic-bezier(0.16, 1, 0.3, 1);
}

.footer-capsule-bar.is-visible,
.no-js .footer-capsule-bar {
  opacity: 1;
  transform: translateY(0);
}

/* Outer Glass Pill Capsule */
.footer-pill {
  position: relative;
  pointer-events: auto;
  inline-size: min(100%, 1400px);
  border-radius: clamp(24px, 3vw, 36px);
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 24px 60px -15px rgba(15, 23, 42, 0.07),
              0 2px 8px rgba(15, 118, 110, 0.03);
  overflow: hidden;
  background: transparent;
  box-sizing: border-box;
}

/* Translucent Frosted Liquid Glass */
.footer-pill .liquid-backdrop {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(28px) saturate(150%);
  -webkit-backdrop-filter: blur(28px) saturate(150%);
  transition: background 0.4s ease;
}

.footer-pill .liquid-specular-rim {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: inset 0 1.5px 2px rgba(255, 255, 255, 0.95),
              inset 0 -1.5px 3px rgba(15, 118, 110, 0.05);
}

/* ==========================================================================
   Desktop Grid Layout (> 1080px)
   ========================================================================== */
.footer-grid {
  display: grid;
  grid-template-columns: 1.65fr 1fr 1fr 1.15fr;
  gap: clamp(24px, 3vw, 48px);
  padding: clamp(36px, 5vw, 64px) clamp(24px, 4vw, 56px);
  position: relative;
  z-index: 2;
  align-items: start;
  box-sizing: border-box;
}

/* Column Common Structure */
.footer-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-inline-size: 0;
}

/* Brand & Legal Column */
.brand-col {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  margin: 0;
  padding: 0;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
}

.footer-logo:hover {
  transform: translateY(-1px);
}

/* Optical alignment: compensats for transparent top whitespace in the 2048x2048 PNG */
.footer-logo img {
  height: auto;
  width: auto;
  max-width: 155px;
  display: block;
  margin-block-start: -28px;
  margin-block-end: -18px;
}

.footer-slogan {
  font-family: var(--idx-ff-display, 'Space Grotesk', sans-serif);
  font-size: clamp(0.78rem, 0.85vw, 0.92rem);
  font-weight: 600;
  color: var(--idx-navy, #0F172A);
  margin: 0;
  line-height: 1.45;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

:root[dir="rtl"] .footer-slogan {
  letter-spacing: 0;
  font-family: var(--idx-ff-ui, 'Readex Pro VF', 'Noto Sans Arabic VF', sans-serif);
  font-size: clamp(0.76rem, 0.82vw, 0.9rem);
  text-wrap: balance;
}

:root:lang(fa) .footer-slogan,
html[lang="fa"] .footer-slogan {
  font-family: var(--idx-ff-display, 'Yekan Bakh FaNum', sans-serif);
  letter-spacing: 0;
  font-weight: 700;
  font-size: clamp(0.78rem, 0.84vw, 0.92rem);
  text-wrap: balance;
}

@media (min-width: 1081px) {
  .footer-slogan,
  :root[dir="rtl"] .footer-slogan,
  :root:lang(fa) .footer-slogan,
  html[lang="fa"] .footer-slogan {
    white-space: nowrap;
  }
}

.footer-disclaimer {
  font-family: var(--idx-ff-ui, 'Inter', sans-serif);
  font-size: 0.82rem;
  color: var(--idx-slate, #334155);
  line-height: 1.6;
  margin: 0;
  opacity: 0.85;
}

.footer-copyright {
  font-family: var(--idx-ff-ui, 'Inter', sans-serif);
  font-size: 0.78rem;
  color: var(--idx-muted, #64748B);
  margin-block-start: 4px;
  margin-block-end: 0;
  font-variant-numeric: tabular-nums;
  line-height: 1.5;
}

/* Navigation Columns Alignment & Standardized Headers */
.footer-col-title {
  font-family: var(--idx-ff-display, 'Space Grotesk', sans-serif);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--idx-navy, #0F172A);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0;
  padding-block-end: 4px;
  line-height: 1.3;
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 24px;
  box-sizing: border-box;
}

.footer-col-title::after {
  content: '';
  display: inline-block;
  inline-size: 14px;
  block-size: 2px;
  background: var(--idx-teal, #0F766E);
  border-radius: 2px;
  opacity: 0.6;
}

:root[dir="rtl"] .footer-col-title {
  letter-spacing: 0;
  font-family: var(--idx-ff-ui, 'Readex Pro VF', 'Noto Sans Arabic VF', sans-serif);
}

:root:lang(fa) .footer-col-title,
html[lang="fa"] .footer-col-title {
  font-family: var(--idx-ff-display, 'Yekan Bakh FaNum', sans-serif);
  letter-spacing: 0;
  font-weight: 700;
}

/* Link Lists */
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links li {
  margin: 0;
  padding: 0;
  line-height: 1.5;
}

.footer-links a {
  font-family: var(--idx-ff-ui, 'Inter', sans-serif);
  font-size: 0.88rem;
  color: var(--idx-slate, #334155);
  text-decoration: none;
  font-weight: 450;
  display: inline-flex;
  align-items: center;
  position: relative;
  transition: color 0.25s ease, transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), padding 0.25s ease;
  line-height: 1.5;
}

/* Dynamic Clinical Indicator Arrow on Hover */
.footer-links a::before {
  content: "→";
  position: absolute;
  inset-inline-start: 0;
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity 0.25s ease, transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  color: var(--idx-teal, #0F766E);
  font-weight: 700;
  font-size: 0.95em;
}

:root[dir="rtl"] .footer-links a::before {
  content: "←";
  transform: translateX(8px);
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--idx-teal, #0F766E);
  padding-inline-start: 18px;
}

.footer-links a:hover::before,
.footer-links a:focus-visible::before {
  opacity: 1;
  transform: translateX(0);
}

.footer-links a:focus-visible {
  outline: 2px solid var(--idx-teal, #0F766E);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Command Center Column */
.contact-links {
  gap: 14px;
}

.contact-links li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-family: var(--idx-ff-ui, 'Inter', sans-serif);
  font-size: 0.86rem;
  color: var(--idx-slate, #334155);
  line-height: 1.55;
}

.contact-links strong {
  color: var(--idx-navy, #0F172A);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 6px;
}

:root[dir="rtl"] .contact-links strong {
  letter-spacing: 0;
}

.contact-links a {
  padding-inline-start: 0;
}

.contact-links a:hover,
.contact-links a:focus-visible {
  padding-inline-start: 18px;
}

/* ==========================================================================
   Responsive Adaptations
   ========================================================================== */

/* Tablet Viewport (769px to 1080px) */
@media (max-width: 1080px) and (min-width: 769px) {
  .footer-capsule-bar {
    padding-inline: 20px;
    padding-block-end: 28px;
    margin-block-start: 64px;
  }

  .footer-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 36px 28px;
    padding: 40px 32px;
  }

  /* Full-width top brand showcase */
  .brand-col {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding-block-end: 28px;
    border-block-end: 1px solid rgba(15, 23, 42, 0.08);
  }

  .brand-col .footer-logo {
    margin: 0;
  }

  .brand-col .footer-logo img {
    margin-block-start: -24px;
    margin-block-end: -16px;
  }

  .brand-col .footer-slogan {
    font-size: 0.95rem;
    margin: 0;
    align-self: flex-start;
  }

  .brand-col .footer-disclaimer {
    max-width: 640px;
    margin: 0;
  }

  .brand-col .footer-copyright {
    margin-block-start: 4px;
    margin-block-end: 0;
  }

  /* Symmetrical start alignment for the 3 navigation columns below */
  .footer-col {
    align-items: flex-start;
    text-align: start;
  }

  .footer-col-title {
    justify-content: flex-start;
  }

  .footer-links {
    align-items: flex-start;
  }

  .contact-links {
    align-items: flex-start;
  }
}

/* Mobile Viewport (<= 768px) */
@media (max-width: 768px) {
  .footer-capsule-bar {
    padding-inline: 12px;
    padding-block-end: 20px;
    margin-block-start: 56px;
  }

  .footer-pill {
    border-radius: 28px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 36px 20px;
    text-align: center;
  }

  /* Centered Brand Column on Mobile */
  .brand-col {
    grid-column: span 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 14px;
    padding-block-end: 24px;
    border-block-end: 1px solid rgba(15, 23, 42, 0.08);
  }

  .brand-col .footer-logo {
    display: flex;
    justify-content: center;
    margin-inline: auto;
  }

  .brand-col .footer-logo img {
    margin-block-start: -20px;
    margin-block-end: -14px;
    margin-inline: auto;
  }

  .brand-col .footer-slogan {
    white-space: normal;
    text-wrap: balance;
    text-align: center;
    max-width: 440px;
    margin-inline: auto;
  }

  .brand-col .footer-disclaimer,
  .brand-col .footer-copyright {
    text-align: center;
    max-width: 440px;
    margin-inline: auto;
  }

  /* Centered Navigation Columns on Mobile */
  .footer-col {
    align-items: center;
    text-align: center;
  }

  .footer-col-title {
    justify-content: center;
  }

  .footer-links {
    align-items: center;
  }

  .footer-links a {
    justify-content: center;
    min-height: 44px; /* Accessible tap targets */
  }

  .footer-links a:hover,
  .footer-links a:focus-visible {
    padding-inline-start: 0;
    transform: translateY(-1px);
  }

  .footer-links a::before {
    display: none;
  }

  .contact-links {
    align-items: center;
  }

  .contact-links li {
    align-items: center;
    text-align: center;
    max-width: 360px;
  }

  .contact-links strong {
    justify-content: center;
  }
}

/* Reduced Motion Safety */
@media (prefers-reduced-motion: reduce) {
  .footer-capsule-bar {
    transition: none;
    opacity: 1;
    transform: none;
  }
  .footer-links a,
  .footer-links a::before,
  .footer-logo {
    transition: none;
  }
}