:root {
  --page-bg: #e7f4f7;
  --header-from: #9fc6ce;
  --header-to: #cbe3e7;
  --footer-from: #9fc6ce;
  --footer-to: #cbe3e7;
  --menu-bg: rgba(255, 255, 255, 0.95);
  --menu-text: #5d8a93;
  --icon-highlight: rgba(255, 255, 255, 0.35);
  --icon-active-color: #124652;
  --card-bg: rgba(255, 255, 255, 0.92);
  --card-border: rgba(93, 138, 147, 0.25);
  --card-shadow: 0 25px 50px rgba(18, 70, 82, 0.15);
  --field-bg: rgba(255, 255, 255, 0.85);
  --field-border: rgba(18, 70, 82, 0.2);
  --overlay-bg: rgba(8, 22, 26, 0.55);
  --service-shell-bg: linear-gradient(180deg, rgba(255, 255, 255, 0.7), rgba(216, 234, 239, 0.78));
  --service-shell-border: rgba(93, 138, 147, 0.22);
  --service-divider-line: rgba(93, 138, 147, 0.35);
}

body {
  background: var(--page-bg);
  color: #124652;
  transition: background 0.4s ease, color 0.4s ease;
  animation: softPulse 10s ease-in-out infinite;
}

body.dark {
  --page-bg: #08161a;
  --header-from: #11252a;
  --header-to: #19383f;
  --footer-from: #102229;
  --footer-to: #19333b;
  --menu-bg: rgba(11, 23, 27, 0.95);
  --menu-text: #c7dfe3;
  --icon-highlight: rgba(13, 33, 38, 0.95);
  --icon-active-color: #e5f6f9;
  --card-bg: rgba(11, 23, 27, 0.92);
  --card-border: rgba(229, 243, 246, 0.12);
  --card-shadow: 0 25px 60px rgba(0, 0, 0, 0.6);
  --field-bg: rgba(8, 22, 26, 0.92);
  --field-border: rgba(229, 243, 246, 0.1);
  --overlay-bg: rgba(0, 0, 0, 0.75);
  --service-shell-bg: linear-gradient(180deg, rgba(16, 34, 41, 0.9), rgba(9, 21, 26, 0.94));
  --service-shell-border: rgba(229, 243, 246, 0.12);
  --service-divider-line: rgba(199, 223, 227, 0.28);
  color: #e5f3f6;
}

@keyframes gradientFlow {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes softPulse {
  0%, 100% { background-color: var(--page-bg); }
  50% { background-color: color-mix(in srgb, var(--page-bg) 90%, white); }
}

@keyframes floatLight {
  0% { transform: translate(-25%, -25%) rotate(0deg); }
  50% { transform: translate(-10%, -15%) rotate(180deg); }
  100% { transform: translate(-25%, -25%) rotate(360deg); }
}

.brand-header {
  background-image: linear-gradient(to bottom, var(--header-from), var(--header-to));
  background-size: 200% 200%;
  animation: gradientFlow 12s ease infinite;
}

.brand-footer {
  background-image: linear-gradient(to top, var(--footer-from), var(--footer-to));
  background-size: 200% 200%;
  animation: gradientFlow 12s ease infinite;
}

.menu-panel {
  background-color: var(--menu-bg);
  color: var(--menu-text);
  backdrop-filter: blur(20px);
}

.theme-option {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  min-height: 38px;
  border-radius: 0.4rem;
  opacity: 0.8;
  transition: all 0.25s ease;
}

.theme-option svg {
  width: 22px;
  height: 22px;
  color: var(--menu-text);
}

.theme-option.active {
  opacity: 1;
  transform: scale(1.08);
  background-color: var(--icon-highlight);
}

.theme-option.active svg {
  color: var(--icon-active-color);
}

.theme-option.inactive {
  background-color: transparent;
}

.content-card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  box-shadow: var(--card-shadow);
  backdrop-filter: blur(25px);
}

.input-field {
  background-color: var(--field-bg);
  border: 1px solid var(--field-border);
  color: inherit;
  resize: none;
}

.input-field.resizable-textarea {
  resize: vertical;
  min-height: 120px;
  max-height: 520px;
}

.modal-overlay {
  background-color: var(--overlay-bg);
}

.service-divider-wrap {
  margin-top: 5.5rem;
  padding-top: 2.5rem;
}

.service-divider {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 1.5rem;
}

.service-divider-copy {
  text-align: center;
  max-width: 34rem;
  margin: 0 auto;
}

.service-divider-line {
  display: block;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--service-divider-line), transparent);
}

.service-info-shell {
  position: relative;
  background: var(--service-shell-bg);
  border: 1px solid var(--service-shell-border);
  box-shadow: 0 28px 60px rgba(18, 70, 82, 0.12);
  backdrop-filter: blur(20px);
}

body.dark .service-info-shell {
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.45);
}

body.modal-open {
  overflow: hidden;
}

.loader-dots .dot {
  display: inline-block;
  animation: pulse 1.2s infinite ease-in-out;
  color: #124652;
}

.loader-dots .dot-2 {
  animation-delay: 0.15s;
}

.loader-dots .dot-3 {
  animation-delay: 0.3s;
}

body.dark .loader-dots .dot {
  color: #e5f3f6;
}

@keyframes pulse {
  0%, 80%, 100% {
    transform: scale(0.8);
    opacity: 0.3;
  }
  40% {
    transform: scale(1);
    opacity: 1;
  }
}

@media (max-width: 768px) {
  .service-divider {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .service-divider-line {
    width: 100%;
  }

  .service-divider-wrap {
    margin-top: 4rem;
    padding-top: 2rem;
  }
}