/* ============================================================
   COMPONENTES — Loader, cursor, navbar, botões, cards utilitários
   ============================================================ */

/* ---------- Loading Screen ---------- */
.loader {
  position: fixed;
  inset: 0;
  z-index: var(--z-loader);
  display: grid;
  place-items: center;
  background: var(--bg);
  transition: opacity 0.7s var(--ease), visibility 0.7s var(--ease);
}

.loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-inner {
  text-align: center;
}

.loader-logo {
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: block;
  margin-bottom: 26px;
  animation: logo-pulse 1.6s ease-in-out infinite;
}

@keyframes logo-pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.08);
    opacity: 0.75;
  }
}

.loader-bar {
  width: 220px;
  height: 4px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  overflow: hidden;
  margin: 0 auto 18px;
}

.loader-bar span {
  display: block;
  height: 100%;
  width: 0%;
  background: var(--gradient);
  border-radius: 4px;
  animation: load-bar 1.4s var(--ease) forwards;
}

@keyframes load-bar {
  to {
    width: 100%;
  }
}

.loader-text {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-faint);
  letter-spacing: 0.08em;
}

/* ---------- Custom Cursor ---------- */
.cursor-dot,
.cursor-ring {
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  border-radius: 50%;
  z-index: var(--z-cursor);
  transform: translate(-50%, -50%);
  opacity: 0;
}

body.custom-cursor-active .cursor-dot,
body.custom-cursor-active .cursor-ring {
  opacity: 1;
}

.cursor-dot {
  width: 7px;
  height: 7px;
  background: var(--primary-2);
  transition: width 0.2s, height 0.2s;
}

.cursor-ring {
  width: 36px;
  height: 36px;
  border: 1.5px solid rgba(167, 139, 250, 0.6);
  transition: width 0.25s var(--ease), height 0.25s var(--ease), border-color 0.25s;
}

.cursor-ring.hover {
  width: 58px;
  height: 58px;
  border-color: rgba(34, 211, 238, 0.9);
  background: rgba(34, 211, 238, 0.08);
}

.cursor-ring.pressed {
  width: 22px;
  height: 22px;
}

@media (pointer: coarse) {
  .cursor-dot,
  .cursor-ring {
    display: none;
  }
}

/* ---------- Navbar ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  padding: 18px 0;
  transition: background 0.4s var(--ease), padding 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.nav.scrolled {
  padding: 12px 0;
  background: rgba(11, 11, 20, 0.82);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
}

.nav-logo-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background: var(--gradient);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  box-shadow: var(--glow-primary);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav-link {
  position: relative;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-dim);
  padding: 6px 2px;
  transition: color 0.3s;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--gradient);
  border-radius: 2px;
  transition: width 0.35s var(--ease);
}

.nav-link:hover,
.nav-link.active {
  color: var(--text);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.nav-toggle span {
  width: 26px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.35s var(--ease), opacity 0.3s;
}

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

/* ---------- Botões ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 30px;
  border-radius: 14px;
  font-weight: 600;
  font-size: 0.95rem;
  overflow: hidden;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), background 0.3s, border-color 0.3s, color 0.3s;
}

.btn-primary {
  background: var(--gradient);
  background-size: 160% 160%;
  color: #fff;
  box-shadow: 0 8px 24px rgba(124, 92, 255, 0.35);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 34px rgba(124, 92, 255, 0.5);
  background-position: 100% 50%;
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border-strong);
}

.btn-outline:hover {
  border-color: var(--primary-3);
  color: var(--primary-3);
  transform: translateY(-3px);
  box-shadow: 0 0 24px rgba(124, 92, 255, 0.2);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.88rem;
  border-radius: 11px;
}

.btn-block {
  width: 100%;
}

/* Ripple */
.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.45);
  transform: scale(0);
  animation: ripple-anim 0.6s ease-out forwards;
  pointer-events: none;
}

@keyframes ripple-anim {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* ---------- Social / Icon buttons ---------- */
.social-btn {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-dim);
  font-weight: 700;
  transition: all 0.3s var(--ease);
}

.social-btn:hover {
  color: #fff;
  border-color: transparent;
  background: var(--gradient);
  transform: translateY(-4px);
  box-shadow: var(--glow-primary);
}

.icon-btn {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(11, 11, 20, 0.75);
  border: 1px solid var(--border-strong);
  color: #fff;
  font-family: var(--font-mono);
  font-weight: 700;
  transition: all 0.3s var(--ease);
}

.icon-btn:hover {
  background: var(--gradient);
  transform: translateY(-3px) scale(1.05);
  border-color: transparent;
}

/* ---------- Pulse dot ---------- */
.pulse-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  margin-right: 8px;
  position: relative;
}

.pulse-dot::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid var(--success);
  animation: pulse-ring 1.8s ease-out infinite;
}

@keyframes pulse-ring {
  0% {
    transform: scale(0.5);
    opacity: 1;
  }
  100% {
    transform: scale(1.4);
    opacity: 0;
  }
}