/* ============================================================
   ClimB-IT — Custom Styles (supplements Tailwind)
   ============================================================ */

/* --- Scroll Reveal Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* --- Navbar transition --- */
#main-nav {
  transition: background-color 0.3s ease, box-shadow 0.3s ease, backdrop-filter 0.3s ease;
}
#main-nav.nav-scrolled {
  background-color: rgba(15, 23, 42, 0.95) !important;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  backdrop-filter: blur(10px);
}

/* --- Hero gradient overlay --- */
.hero-overlay {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.85) 0%, rgba(30, 58, 95, 0.7) 50%, rgba(14, 165, 233, 0.4) 100%);
}

/* --- Service card hover --- */
.service-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

/* --- Value card hover --- */
.value-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.value-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
  border-color: #0ea5e9;
}

/* --- Language switcher --- */
[data-lang] {
  transition: color 0.2s, border-color 0.2s;
}
[data-lang].active {
  color: #0ea5e9;
  border-color: #0ea5e9;
}

/* --- Hamburger animation --- */
.hamburger-line {
  transition: transform 0.3s ease, opacity 0.3s ease;
  transform-origin: center;
}

/* --- Gradient text helper --- */
.gradient-text {
  background: linear-gradient(135deg, #0ea5e9, #38bdf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Mission section pattern --- */
.mission-pattern {
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

/* --- Partner logo grayscale → color on hover --- */
.partner-logo {
  filter: grayscale(100%);
  opacity: 0.7;
  transition: filter 0.3s ease, opacity 0.3s ease;
}
.partner-logo:hover {
  filter: grayscale(0%);
  opacity: 1;
}

/* --- Smooth scroll behavior --- */
html {
  scroll-behavior: smooth;
}

/* --- Focus styles for accessibility --- */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid #0ea5e9;
  outline-offset: 2px;
}

/* --- Form input focus --- */
.form-input:focus {
  border-color: #0ea5e9;
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.2);
}