/* ==========================================================================
   HD EasyTec — components.css
   Header, footer, buttons, cards
   Reuses design tokens from main.css. Mobile breakpoint: 768px.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.7rem 1.4rem;
  font-size: var(--fs-base);
  font-weight: 600;
  line-height: 1;
  text-align: center;
  white-space: nowrap;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition:
    background-color var(--transition-base),
    border-color var(--transition-base),
    color var(--transition-base),
    transform var(--transition-fast),
    box-shadow var(--transition-base);
}

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

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

.btn:focus-visible {
  outline: 3px solid rgba(24, 86, 160, 0.4);
  outline-offset: 2px;
}

/* Primary — solid brand blue */
.btn-primary {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

/* Secondary — solid green */
.btn-secondary {
  background-color: var(--color-secondary);
  border-color: var(--color-secondary);
  color: var(--color-white);
}

.btn-secondary:hover {
  background-color: #0b5644; /* darker shade of --color-secondary */
  border-color: #0b5644;
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

/* Outline — transparent with primary border */
.btn-outline {
  background-color: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* --------------------------------------------------------------------------
   2. Logo
   -------------------------------------------------------------------------- */
.logo {
  display: inline-flex;
  align-items: baseline;
  gap: 0.15em;
  font-size: var(--fs-2xl); /* 1.5rem */
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1;
}
.logo-image {
  height: 48px;
}
.logo-hd {
  color: var(--color-primary);
}

.logo-rest {
  color: var(--color-dark);
}

/* Light variant for dark backgrounds (footer) */
.logo--light .logo-rest {
  color: var(--color-white);
}

/* --------------------------------------------------------------------------
   3. Header
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition-base);
}

/* Shadow added by js/main.js on scroll */
.site-header.scrolled {
  box-shadow: var(--shadow-md);
  border-bottom-color: transparent;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  min-height: 72px;
}

/* Center the nav between logo and CTA */
.main-nav {
  margin-inline: auto;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-list a {
  position: relative;
  display: inline-block;
  padding-block: var(--space-2);
  font-weight: 500;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.nav-list a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.nav-list a:hover,
.nav-list a.active {
  color: var(--color-primary);
}

.nav-list a:hover::after,
.nav-list a.active::after {
  transform: scaleX(1);
}

.nav-list a.active {
  font-weight: 600;
}

/* CTA inside the mobile dropdown — hidden on desktop */
.nav-cta-mobile {
  display: none;
}

/* Hamburger toggle — hidden on desktop */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
}

.nav-toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  border-radius: var(--radius-full);
  background-color: var(--color-dark);
  transition:
    transform var(--transition-base),
    opacity var(--transition-fast);
}

/* --------------------------------------------------------------------------
   4. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-dark);
  color: var(--color-light);
  padding-block: var(--space-16) var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-12);
}

.footer-col {
  min-width: 0;
}

.footer-tagline {
  margin-top: var(--space-4);
  max-width: 32ch;
  color: rgba(245, 247, 250, 0.7);
}

.footer-heading {
  margin-bottom: var(--space-4);
  font-size: var(--fs-base);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-white);
}

.footer-links,
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-links a,
.footer-contact a {
  color: rgba(245, 247, 250, 0.7);
  transition: color var(--transition-fast);
}

.footer-links a:hover,
.footer-contact a:hover {
  color: var(--color-white);
}

.footer-contact address {
  font-style: normal;
}

.footer-contact p {
  margin-bottom: var(--space-2);
  color: rgba(245, 247, 250, 0.7);
}

/* Social icons */
.social-links {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background-color: rgba(255, 255, 255, 0.08);
  color: var(--color-light);
  transition:
    background-color var(--transition-base),
    color var(--transition-fast),
    transform var(--transition-fast);
}

.social-link:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

/* Bottom bar */
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-top: var(--space-12);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: var(--fs-sm);
  color: rgba(245, 247, 250, 0.8);
}

.footer-legal {
  display: flex;
  gap: var(--space-6);
}

.footer-legal a {
  color: rgba(245, 247, 250, 0.8);
  transition: color var(--transition-fast);
}

.footer-legal a:hover {
  color: var(--color-white);
}

/* --------------------------------------------------------------------------
   5. Mobile — breakpoint at 768px
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  /* Show hamburger, hide desktop CTA */
  .nav-toggle {
    display: flex;
  }

  .nav-cta {
    display: none;
  }

  /* Nav becomes a full-width dropdown panel below the header */
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-inline: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    padding: var(--space-4) var(--container-pad) var(--space-6);
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition:
      transform var(--transition-base),
      opacity var(--transition-base),
      visibility var(--transition-base);
  }

  .main-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav-list a {
    display: block;
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--color-border);
  }

  .nav-list a::after {
    display: none;
  }

  /* CTA shown full-width inside the dropdown */
  .nav-cta-mobile {
    display: inline-flex;
    margin-top: var(--space-4);
    width: 100%;
  }

  /* Hamburger → X animation when open */
  .nav-toggle.is-open .nav-toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav-toggle.is-open .nav-toggle-bar:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.is-open .nav-toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
}

@media (max-width: 640px) {
  /* Footer stacks */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }
}