/* ============================================================
   PREMIUM SYSTEM — Preloader, Navigation, Social Dock
   ============================================================ */

/* ── PRELOADER ── */
.preloader {
  position: fixed;
  inset: 0;
  z-index: var(--z-preloader);
  background: var(--bg-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
}

.preloader__logo {
  font-family: var(--font-heading);
  font-size: var(--fs-h3);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-tight);
  color: var(--text-primary);
}

.preloader__logo span {
  color: var(--accent);
}

.preloader__bar {
  width: 200px;
  height: 2px;
  background: var(--border);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.preloader__bar-fill {
  width: 0%;
  height: 100%;
  background: var(--gradient-accent);
  border-radius: var(--radius-full);
  transition: width 0.3s var(--ease-out);
}

.preloader__percent {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wider);
  color: var(--text-muted);
}


/* ── NAVBAR ── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  padding: var(--space-lg) 0;
  transition: all var(--duration-slow) var(--ease-out);
  background: rgba(9, 9, 11, 0.5);
  backdrop-filter: blur(12px) saturate(150%);
  -webkit-backdrop-filter: blur(12px) saturate(150%);
  border-bottom: 1px solid rgba(255,255,255,0.03);
}

.navbar.scrolled {
  padding: var(--space-md) 0;
  background: rgba(9, 9, 11, 0.85);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid var(--border);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-wide);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.navbar__logo {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: var(--fw-bold);
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: var(--ls-tight);
  transition: color var(--duration-normal) var(--ease-out);
}

.navbar__logo:hover {
  color: var(--accent-light);
}

.navbar__logo span {
  color: var(--accent);
}

.navbar__links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  list-style: none;
}

.navbar__link {
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  color: var(--text-secondary);
  text-decoration: none;
  letter-spacing: var(--ls-wide);
  transition: color var(--duration-normal) var(--ease-out);
  position: relative;
}

.navbar__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  border-radius: var(--radius-full);
  transition: width var(--duration-normal) var(--ease-out);
}

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

.navbar__link:hover::after,
.navbar__link.active::after {
  width: 100%;
}

.navbar__link.active {
  color: var(--accent-light);
}

.navbar__cta {
  margin-left: var(--space-md);
}

/* Mobile hamburger */
.navbar__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: calc(var(--z-nav) + 10);
}

.navbar__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: var(--radius-full);
  transition: all var(--duration-normal) var(--ease-out);
}

.navbar__toggle.active span:nth-child(1) {
  transform: rotate(45deg) translateY(5px) translateX(5px);
}

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

.navbar__toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translateY(-5px) translateX(5px);
}

@media (max-width: 768px) {
  .navbar__toggle { display: flex; }
  
  .navbar__links {
    position: fixed;
    inset: 0;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--space-2xl);
    background: var(--bg-primary);
    opacity: 0;
    visibility: hidden;
    transition: all var(--duration-slow) var(--ease-out);
  }

  .navbar__links.open {
    opacity: 1;
    visibility: visible;
  }

  .navbar__link {
    font-size: var(--fs-h3);
    font-family: var(--font-heading);
    font-weight: var(--fw-bold);
  }

  .navbar__cta { margin-left: 0; }
}


/* ── SOCIAL DOCK ── */
.social-dock {
  position: fixed;
  left: var(--container-padding);
  bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
  z-index: var(--z-sticky);
}

.social-dock::after {
  content: '';
  width: 1px;
  height: 80px;
  background: var(--border);
}

.social-dock__link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  color: var(--text-muted);
  transition: all var(--duration-normal) var(--ease-out);
}

.social-dock__link svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.social-dock__link:hover {
  color: var(--accent-light);
  transform: translateY(-3px);
}

/* Email line on right side */
.email-dock {
  position: fixed;
  right: var(--container-padding);
  bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
  z-index: var(--z-sticky);
}

.email-dock::after {
  content: '';
  width: 1px;
  height: 80px;
  background: var(--border);
}

.email-dock__text {
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wide);
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--duration-normal) var(--ease-out);
}

.email-dock__text:hover {
  color: var(--accent-light);
}

@media (max-width: 1024px) {
  .social-dock, .email-dock { display: none; }
}


/* ── MOBILE BOTTOM BAR ── */
.mobile-social-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  background: rgba(9, 9, 11, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--border);
  padding: var(--space-sm) var(--space-md);
  justify-content: space-around;
  align-items: center;
}

.mobile-social-bar a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  color: var(--text-muted);
  font-size: 10px;
  text-decoration: none;
  transition: color var(--duration-normal) var(--ease-out);
}

.mobile-social-bar a svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.mobile-social-bar a:hover {
  color: var(--accent-light);
}

@media (max-width: 1024px) {
  .mobile-social-bar { display: flex; }
}


/* ── FOOTER ── */
.footer {
  padding: var(--space-4xl) 0 var(--space-2xl);
  border-top: 1px solid var(--border);
  background: var(--bg-surface);
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-3xl);
  flex-wrap: wrap;
}

.footer__brand {
  max-width: 320px;
}

.footer__brand-name {
  font-family: var(--font-heading);
  font-size: var(--fs-h4);
  font-weight: var(--fw-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.footer__brand-name span { color: var(--accent); }

.footer__brand-desc {
  font-size: var(--fs-small);
  color: var(--text-muted);
  line-height: var(--lh-relaxed);
}

.footer__nav {
  display: flex;
  gap: var(--space-3xl);
}

.footer__nav-group h4 {
  font-size: var(--fs-xs);
  font-family: var(--font-mono);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
}

.footer__nav-group ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__nav-group a {
  font-size: var(--fs-small);
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--duration-normal) var(--ease-out);
}

.footer__nav-group a:hover {
  color: var(--accent-light);
}

.footer__bottom {
  margin-top: var(--space-3xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer__copy {
  font-size: var(--fs-xs);
  color: var(--text-dim);
}

@media (max-width: 768px) {
  .footer__inner { flex-direction: column; }
  .footer__nav { flex-direction: column; gap: var(--space-2xl); }
  .footer__bottom { flex-direction: column; text-align: center; }
}


/* ── PAGE TRANSITION ── */
.page-transition {
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-preloader) - 1);
  background: var(--bg-primary);
  transform: translateY(100%);
  pointer-events: none;
}