/* Pages by David — Components */

/* ---- Nav ---- */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: background var(--transition-normal), border-color var(--transition-normal);
}

.nav__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  display: flex;
  align-items: center;
}

.nav__logo-img {
  height: 40px;
  width: auto;
  display: block;
}

.nav__logo-img--dark {
  display: none;
}

[data-theme="dark"] .nav__logo-img--light {
  display: none;
}

[data-theme="dark"] .nav__logo-img--dark {
  display: block;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(16px, 3vw, 32px);
}

.nav__link {
  font-size: var(--font-size-nav);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
  padding: 4px 0;
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-text-muted);
  transform: scaleX(0);
  transition: transform var(--transition-fast);
}

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

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

.nav__link--active {
  color: var(--color-text);
}

.nav__link--active::after {
  background: var(--color-accent);
  transform: scaleX(1);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Theme toggle */
.theme-toggle {
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.theme-toggle:hover {
  color: var(--color-text);
  border-color: var(--color-text-muted);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
}

.theme-toggle__sun { display: block; }
.theme-toggle__moon { display: none; }

[data-theme="dark"] .theme-toggle__sun { display: none; }
[data-theme="dark"] .theme-toggle__moon { display: block; }

/* Hamburger */
.nav__hamburger {
  display: none;
  width: 44px;
  height: 44px;
  border: none;
  background: transparent;
  cursor: pointer;
  padding: 10px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
}

.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: transform var(--transition-normal), opacity var(--transition-fast);
}

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

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

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

/* Mobile dropdown */
.nav__dropdown {
  display: flex;
  position: absolute;
  top: var(--nav-height);
  right: 16px;
  width: 260px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card-hover);
  padding: 16px;
  flex-direction: column;
  gap: 4px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity var(--transition-normal), transform var(--transition-normal), visibility var(--transition-normal);
}

.nav__dropdown.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.nav__dropdown .nav__link {
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 1.05rem;
}

.nav__dropdown .nav__link::after {
  display: none;
}

.nav__dropdown .nav__link:hover {
  background: var(--color-bg-alt);
}

.nav__dropdown .nav__link--active {
  background: var(--color-accent-light);
  color: var(--color-accent);
}

[data-theme="dark"] .nav__dropdown .nav__link--active {
  background: rgba(184, 92, 56, 0.15);
}

.nav__dropdown .btn {
  margin-top: 8px;
}

/* ---- Buttons ---- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-family: var(--font-body);
  font-size: var(--font-size-btn);
  font-weight: var(--font-weight-medium);
  border: 2px solid transparent;
  border-radius: var(--radius-button);
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  text-decoration: none;
  line-height: 1;
}

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

.btn--primary {
  background: var(--color-accent);
  color: #fff;
}

.btn--primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px) scale(1.03);
  box-shadow: 0 4px 20px rgba(184, 92, 56, 0.4);
}

.btn--gold {
  background: var(--color-gold);
  color: #fff;
}

.btn--gold:hover {
  background: var(--color-gold-hover);
}

.btn--outline {
  background: transparent;
  border: 2px solid var(--color-border);
  color: var(--color-text);
}

.btn--outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn--outline-light {
  background: transparent;
  border: 2px solid rgba(255, 255, 255, 0.3);
  color: #fff;
}

.btn--outline-light:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.btn--sm {
  padding: 8px 20px;
  font-size: var(--font-size-body-sm);
}

.btn--nav {
  padding: 10px 20px;
  font-size: var(--font-size-body-sm);
}

/* ---- Cards ---- */

.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 32px;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.card--dark {
  background: var(--color-dark-alt);
  border-color: #334155;
}

/* ---- Device frame ---- */

.device-frame {
  background: #1E293B;
  border-radius: 4px;
  padding: 8px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.device-frame__dots {
  display: flex;
  gap: 6px;
  padding: 6px 8px 10px;
}

.device-frame__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #334155;
}

.device-frame__dot:nth-child(1) { background: #EF4444; }
.device-frame__dot:nth-child(2) { background: #F59E0B; }
.device-frame__dot:nth-child(3) { background: #22C55E; }

.device-frame img {
  width: 100%;
  border-radius: 4px;
}

/* ---- Footer ---- */

.footer {
  background: var(--color-dark);
  color: var(--color-text-on-dark);
  padding: 64px 24px 24px;
  position: relative;
}

[data-theme="dark"] .footer {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
}

.footer > * {
  position: relative;
  z-index: 1;
}

.footer::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: var(--texture-noise);
  pointer-events: none;
  z-index: 0;
}

.footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer__brand p {
  color: var(--color-text-muted-on-dark);
  margin-top: 12px;
  max-width: 300px;
  line-height: var(--line-height-normal);
}

.footer__heading {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: 16px;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__links a {
  color: var(--color-text-muted-on-dark);
  transition: color var(--transition-fast);
}

.footer__links a:hover {
  color: #fff;
}

.footer__links a:focus-visible {
  color: #fff;
}

.footer__contact-item {
  color: var(--color-text-muted-on-dark);
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 10px;
}

.footer__contact-item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
}

.footer__bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #64748B;
  font-size: var(--font-size-body-sm);
}

.footer__bottom-links {
  display: flex;
  gap: 24px;
}

.footer__bottom-links a {
  color: #64748B;
  transition: color var(--transition-fast);
}

.footer__bottom-links a:hover {
  color: var(--color-text-muted-on-dark);
}

.footer__bottom-links a:focus-visible {
  color: var(--color-text-muted-on-dark);
}

.footer :focus-visible {
  outline-color: #fff;
}

.footer .btn:focus-visible {
  box-shadow: 0 0 0 3px #fff;
}

.footer__logo {
  display: flex;
  align-items: center;
}

.footer__logo-img {
  height: 40px;
  width: auto;
}

.footer__logo-img--light {
  display: none;
}

.footer__logo-img--dark {
  display: block;
}