/* ==============================================
   Shared Components — Nav, Footer, Buttons, Cards
   ============================================== */

/* ======== NAVIGATION ======== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: background var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out);
}

.nav--transparent {
  background: transparent;
}

.nav--solid {
  background: rgba(10, 10, 10, .92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(255,255,255,.05);
}

.nav--solid::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(220,38,38,.5), rgba(220,38,38,.8), rgba(220,38,38,.5), transparent);
  box-shadow: 0 0 8px rgba(220,38,38,.3), 0 0 16px rgba(220,38,38,.15);
}

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

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  color: var(--white);
  z-index: 1001;
}

.nav__logo img {
  height: 48px;
  width: auto;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--sp-xl);
}

.nav__link {
  position: relative;
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--gray);
  transition: color var(--dur-fast) var(--ease-out);
  padding: var(--sp-xs) 0;
}

.nav__link:hover,
.nav__link--active {
  color: var(--white);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-base) var(--ease-out);
}

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

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
  z-index: 1001;
  background: none;
  border: none;
  cursor: pointer;
}

.nav__hamburger span {
  display: block;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform var(--dur-base) var(--ease-out),
              opacity var(--dur-fast);
}

.nav__hamburger--open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__hamburger--open span:nth-child(2) {
  opacity: 0;
}
.nav__hamburger--open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Menu */
.nav__mobile {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 10, .97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-xl);
  z-index: 999;
}

.nav__mobile--open {
  display: flex;
}

.nav__mobile .nav__link {
  font-size: var(--fs-xl);
  color: var(--silver);
}

@media (max-width: 767px) {
  .nav__links {
    display: none;
  }

  .nav__hamburger {
    display: flex;
  }

  .nav__logo {
    font-size: var(--fs-sm);
  }

  .nav__logo img {
    height: 36px;
  }
}

@media (max-width: 374px) {
  .nav__logo span {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }
}

@media (min-width: 768px) {
  .nav__inner {
    padding-inline: var(--sp-xl);
  }
}

@media (min-width: 1024px) {
  .nav__inner {
    padding-inline: var(--sp-2xl);
  }
}

/* ======== BUTTONS ======== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-sm);
  padding: .875rem 2rem;
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  border-radius: var(--br-full);
  transition: transform var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out),
              background var(--dur-fast);
  white-space: nowrap;
}

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

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

.btn--primary {
  background: var(--grad-orange);
  color: var(--black);
  box-shadow: var(--shadow-sm);
}

.btn--primary:hover {
  box-shadow: var(--shadow-glow-orange);
}

.btn--outline {
  border: 1.5px solid var(--orange);
  color: var(--orange);
}

.btn--outline:hover {
  background: var(--orange-dim);
  box-shadow: var(--shadow-glow-orange);
}

.btn--ghost {
  color: var(--gray);
  border: 1.5px solid var(--dark-4);
}

.btn--ghost:hover {
  border-color: var(--gray);
  color: var(--white);
}

.btn--sm {
  padding: .625rem 1.25rem;
  font-size: var(--fs-xs);
}

@media (max-width: 374px) {
  .btn {
    padding: .75rem 1.5rem;
    font-size: var(--fs-xs);
  }
}

/* ======== CARDS ======== */
.card {
  background: var(--dark-2);
  border: 1px solid var(--dark-3);
  border-radius: var(--border-radius);
  padding: var(--sp-xl);
  transition: transform var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out),
              border-color var(--dur-base);
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--dark-4);
  box-shadow: var(--shadow-md);
}

.card--glow {
  position: relative;
  overflow: hidden;
}

.card--glow::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(220,38,38,.8), transparent);
  box-shadow: 0 0 8px rgba(220,38,38,.4);
  transform: translateX(-100%);
  transition: transform .6s var(--ease-out);
  pointer-events: none;
  z-index: 1;
}

.card--glow:hover::before {
  transform: translateX(100%);
}

.card--glow:hover {
  border-color: rgba(232, 160, 32, .3);
  box-shadow: var(--shadow-glow-orange);
}

.card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius);
  background: var(--orange-dim);
  color: var(--orange);
  font-size: 1.5rem;
  margin-bottom: var(--sp-lg);
}

.card__title {
  font-size: var(--fs-lg);
  margin-bottom: var(--sp-sm);
}

.card__text {
  font-size: var(--fs-sm);
  color: var(--gray);
  line-height: var(--lh-loose);
}

.card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-xs);
  margin-top: var(--sp-lg);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--orange);
  transition: gap var(--dur-fast) var(--ease-out);
}

.card__link:hover {
  gap: var(--sp-sm);
}

/* ======== FOOTER ======== */
.footer {
  background: var(--dark-1);
  border-top: 1px solid var(--dark-3);
  padding-top: var(--sp-4xl);
  padding-bottom: var(--sp-xl);
}

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

.footer__brand {
  max-width: 320px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  color: var(--white);
  margin-bottom: var(--sp-md);
}

.footer__logo img {
  height: 36px;
  width: auto;
}

.footer__desc {
  font-size: var(--fs-sm);
  color: var(--gray);
  line-height: var(--lh-loose);
}

.footer__heading {
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--white);
  margin-bottom: var(--sp-lg);
}

.footer__link {
  display: block;
  font-size: var(--fs-sm);
  color: var(--gray);
  padding: var(--sp-xs) 0;
  transition: color var(--dur-fast);
}

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

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-sm);
  font-size: var(--fs-sm);
  color: var(--gray);
  margin-bottom: var(--sp-md);
}

.footer__contact-item svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--orange);
}

.footer__bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-md);
  padding-top: var(--sp-xl);
  border-top: 1px solid var(--dark-3);
  font-size: var(--fs-xs);
  color: var(--gray-dark);
}

.footer__legal {
  display: flex;
  gap: var(--sp-lg);
}

.footer__legal a:hover {
  color: var(--silver);
}

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

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

/* ======== THEME TOGGLE ======== */
.nav__theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: var(--gray);
  cursor: pointer;
  transition: color var(--dur-fast), transform var(--dur-fast);
  z-index: 1001;
  flex-shrink: 0;
}

.nav__theme-toggle:hover {
  color: var(--orange);
  transform: rotate(15deg);
}

.nav__theme-toggle svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* Dark mode (default): show sun icon */
.nav__theme-icon--moon { display: none; }

/* Light mode: show moon icon */
[data-theme="light"] .nav__theme-icon--sun { display: none; }
[data-theme="light"] .nav__theme-icon--moon { display: block; }

/* ======== LIGHT THEME — Component Overrides ======== */
[data-theme="light"] .nav--solid {
  background: rgba(255, 255, 255, .92);
  box-shadow: 0 1px 0 rgba(0,0,0,.06);
}

[data-theme="light"] .nav--solid::after {
  box-shadow: 0 0 6px rgba(220,38,38,.15), 0 0 12px rgba(220,38,38,.08);
}

[data-theme="light"] .nav__mobile {
  background: rgba(255, 255, 255, .97);
}

[data-theme="light"] .hero__logo {
  filter: drop-shadow(0 0 12px rgba(220,38,38,.15)) drop-shadow(0 0 24px rgba(220,38,38,.08));
}

[data-theme="light"] .footer {
  border-top-color: var(--dark-3);
}

[data-theme="light"] ::selection {
  background: var(--orange);
  color: #fff;
}