/* ==========================================================================
   Fork Yeah! — Global Styles
   Nav, footer, containers, utilities, shared components.
   ========================================================================== */

/* --- Base --- */
body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-normal);
  line-height: var(--leading-normal);
  color: var(--brown);
  background-color: var(--cream);
}

/* --- Skip Link --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  z-index: 10000;
  padding: var(--space-sm) var(--space-lg);
  background: var(--orange);
  color: white;
  font-weight: var(--weight-bold);
  border-radius: var(--radius-md);
  transition: top var(--duration-fast) var(--ease-out);
}

.skip-link:focus {
  top: var(--space-md);
}

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-lg);
}

.container--narrow {
  max-width: var(--container-narrow);
}

.container--wide {
  max-width: var(--container-wide);
}

/* ==========================================================================
   Navigation
   ========================================================================== */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(250, 243, 232, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--divider);
  transition: box-shadow var(--duration-base) var(--ease-smooth);
}

.nav.scrolled {
  box-shadow: var(--shadow-md);
}

.nav::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--orange), var(--yellow), var(--green));
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-lg);
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  flex-shrink: 0;
}

.nav__logo {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  object-fit: cover;
}

.nav__wordmark {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--brown);
  letter-spacing: -0.01em;
}

.nav__wordmark span {
  color: var(--orange);
}

.nav__links {
  display: none;
  align-items: center;
  gap: var(--space-xl);
}

.nav__link {
  position: relative;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--brown-light);
  letter-spacing: 0.01em;
  transition: color var(--duration-fast);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--orange);
  border-radius: 1px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-base) var(--ease-bounce);
}

.nav__link:hover {
  color: var(--brown);
}

.nav__link:hover::after {
  transform: scaleX(1);
}

.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  background: var(--orange);
  color: white;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  border-radius: var(--radius-pill);
  transition: all var(--duration-base) var(--ease-smooth);
  box-shadow: var(--shadow-sm);
}

.nav__cta:hover {
  background: #E05A20;
  box-shadow: var(--shadow-glow-orange);
  transform: translateY(-1px);
}

.nav__cta:active {
  transform: translateY(0) scale(0.97);
}

/* Hamburger */
.nav__hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  cursor: pointer;
}

.nav__hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--brown);
  border-radius: 2px;
  transition: all var(--duration-base) var(--ease-smooth);
  transform-origin: center;
}

.nav__hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__hamburger.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.nav__hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 999;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: var(--space-2xl);
  background: var(--cream);
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration-slow) var(--ease-smooth);
}

.mobile-menu.open {
  opacity: 1;
  visibility: visible;
}

.mobile-menu__link {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  color: var(--brown);
  transition: color var(--duration-fast);
  transform: translateY(20px);
  opacity: 0;
  transition: all var(--duration-slow) var(--ease-bounce);
}

.mobile-menu.open .mobile-menu__link {
  transform: translateY(0);
  opacity: 1;
}

.mobile-menu.open .mobile-menu__link:nth-child(1) { transition-delay: 100ms; }
.mobile-menu.open .mobile-menu__link:nth-child(2) { transition-delay: 175ms; }
.mobile-menu.open .mobile-menu__link:nth-child(3) { transition-delay: 250ms; }
.mobile-menu.open .mobile-menu__link:nth-child(4) { transition-delay: 325ms; }
.mobile-menu.open .mobile-menu__link:nth-child(5) { transition-delay: 400ms; }
.mobile-menu.open .mobile-menu__link:nth-child(6) { transition-delay: 475ms; }

.mobile-menu__link:hover {
  color: var(--orange);
}

@media (min-width: 768px) {
  .nav__links {
    display: flex;
  }

  .nav__hamburger {
    display: none;
  }
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  background: var(--brown);
  color: var(--cream);
  padding: var(--space-4xl) 0 var(--space-xl);
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--orange), var(--yellow), var(--green));
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
}

.footer__brand-logo {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
}

.footer__tagline {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-style: italic;
  color: rgba(250, 243, 232, 0.7);
  margin-bottom: var(--space-sm);
}

.footer__heading {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--orange);
  margin-bottom: var(--space-lg);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__link {
  font-size: var(--text-sm);
  color: rgba(250, 243, 232, 0.6);
  transition: all var(--duration-fast);
}

.footer__link:hover {
  color: var(--orange);
  transform: translateX(4px);
}

.footer__bottom {
  border-top: 1px solid rgba(250, 243, 232, 0.1);
  padding-top: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: center;
  text-align: center;
}

.footer__copyright {
  font-size: var(--text-xs);
  color: rgba(250, 243, 232, 0.4);
}

.footer__made-with {
  font-size: var(--text-xs);
  color: rgba(250, 243, 232, 0.3);
  font-style: italic;
}

@media (min-width: 768px) {
  .footer__grid {
    grid-template-columns: 2fr 1fr 1fr;
  }

  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* ==========================================================================
   Utilities
   ========================================================================== */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.text-orange { color: var(--orange); }
.text-green  { color: var(--green); }
.text-yellow { color: var(--yellow); }
.text-red    { color: var(--red); }

/* Focus styles */
:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
  border-radius: 2px;
}

/* Selection */
::selection {
  background: var(--orange-tint);
  color: var(--brown);
}