/* MunduVita — custom styles */

:root {
  /* Updated to match logo gradient: #5ccada (cyan) -> #3e83cb (medium blue) -> #1b43aa (deep blue) */
  --color-water-50: #f0f9fc;
  --color-water-100: #d7f1f7;
  --color-water-200: #b1e5f1;
  --color-water-300: #7bd6e3;
  --color-water-400: #5ccada; /* Primary light cyan / icon color */
  --color-water-500: #3e83cb; /* Primary mid-tone logo blue */
  --color-water-600: #2c63b8;
  --color-water-700: #1b43aa; /* Deep royal blue ("Vita") */
  --color-water-800: #163688;
  --color-water-900: #132a69;

  --color-slate-50: #f8f9fa;
  --color-slate-100: #f1f3f5;
  --color-slate-200: #e2e6ea;
  --color-slate-300: #c8ced6;
  --color-slate-400: #9aa3af;
  --color-slate-500: #6b7685;
  --color-slate-600: #4f5866;
  --color-slate-700: #3d4551;
  --color-slate-800: #2d333b;
  --color-slate-900: #1a1f26;

  --color-warm-white: #fafaf8;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--color-warm-white);
  color: var(--color-slate-800);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Fade-in on scroll */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.stagger-children > .fade-in:nth-child(1) { transition-delay: 0ms; }
.stagger-children > .fade-in:nth-child(2) { transition-delay: 100ms; }
.stagger-children > .fade-in:nth-child(3) { transition-delay: 200ms; }

/* Image placeholder blocks */
.image-placeholder {
  background: linear-gradient(135deg, var(--color-slate-100) 0%, var(--color-water-100) 100%);
  border: 2px dashed var(--color-slate-300);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
  color: var(--color-slate-500);
  font-size: 0.875rem;
  line-height: 1.5;
}

.image-placeholder-label {
  font-weight: 600;
  color: var(--color-slate-600);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.75rem;
  margin-bottom: 0.5rem;
}

/* Content placeholder callouts */
.placeholder-callout {
  background-color: var(--color-water-50);
  border-left: 4px solid var(--color-water-400);
  padding: 1rem 1.25rem;
  font-size: 0.875rem;
  color: var(--color-slate-600);
  font-style: italic;
}

/* Focus styles for accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-water-500);
  outline-offset: 2px;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 100;
  padding: 0.5rem 1rem;
  background: var(--color-water-700);
  color: white;
  border-radius: 0 0 0.375rem 0.375rem;
  font-weight: 500;
  text-decoration: none;
}

.skip-link:focus {
  top: 0;
}

/* Nav active state */
.nav-link.active {
  color: var(--color-water-700);
  font-weight: 600;
}

/* Form styles */
.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-slate-300);
  border-radius: 0.375rem;
  background: white;
  font-size: 1rem;
  color: var(--color-slate-800);
  transition: border-color 0.15s ease;
}

.form-input:focus {
  border-color: var(--color-water-500);
  outline: none;
  box-shadow: 0 0 0 3px rgba(62, 131, 203, 0.15);
}

.form-label {
  display: block;
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--color-slate-700);
  margin-bottom: 0.375rem;
}

.form-error {
  color: #b91c1c;
  font-size: 0.8125rem;
  margin-top: 0.25rem;
}

/* Inquiry type tabs */
.inquiry-tabs {
  display: flex;
  gap: 0;
  border: 1px solid var(--color-slate-300);
  border-radius: 0.375rem;
  overflow: hidden;
}

.inquiry-tab {
  flex: 1;
  padding: 0.75rem 1rem;
  text-align: center;
  font-size: 0.875rem;
  font-weight: 500;
  background: white;
  color: var(--color-slate-600);
  border: none;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.inquiry-tab:not(:last-child) {
  border-right: 1px solid var(--color-slate-300);
}

.inquiry-tab.active {
  background: var(--color-water-700);
  color: white;
}

.inquiry-tab:hover:not(.active) {
  background: var(--color-slate-50);
}