/* ============================================
   Tacoma German Language School — Custom Styles
   ============================================ */

/* --- Base & Typography --- */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background-color: #d14f3a;
  color: #fff;
}

/* --- Navbar --- */
#navbar {
  background: transparent;
  transition: background 0.3s ease, box-shadow 0.3s ease, backdrop-filter 0.3s ease;
}

#navbar.scrolled {
  background: rgba(253, 248, 240, 0.92);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
}

.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: #c23e2c;
  transition: width 0.2s ease;
}

.nav-link:hover::after {
  width: 100%;
}

/* --- CTA Buttons --- */
.cta-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.cta-btn:hover {
  transform: translateY(-1px);
}

.cta-btn:active {
  transform: translateY(0);
}

/* --- Course Cards --- */
.course-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.course-card:hover {
  transform: translateY(-4px);
}

/* --- Feature Cards --- */
.feature-card {
  transition: transform 0.3s ease, background 0.3s ease, border-color 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-2px);
}

/* --- Testimonial Cards --- */
.testimonial-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.testimonial-card:hover {
  transform: translateY(-3px);
}

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

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* --- Mobile Menu --- */
#mobile-menu {
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- Hamburger Animation --- */
.menu-open .menu-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-open .menu-line:nth-child(2) {
  opacity: 0;
}

.menu-open .menu-line:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
  width: 1.25rem;
}

/* --- Decorative Geometric Shapes --- */
.geo-shape {
  position: absolute;
  pointer-events: none;
}

.geo-square {
  border-radius: 12px;
  transform: rotate(12deg);
}

.geo-circle {
  border-radius: 50%;
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .cta-btn,
  .course-card,
  .feature-card,
  .testimonial-card {
    transition: none;
  }

  .cta-btn:hover,
  .course-card:hover,
  .feature-card:hover,
  .testimonial-card:hover {
    transform: none;
  }
}

/* --- Focus Styles --- */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid #d14f3a;
  outline-offset: 2px;
  border-radius: 4px;
}