/* ==========================================================================
   Alphastar Media — Components
   Header/nav, buttons, cards, forms, badges, accordion, carousel controls.
   ========================================================================== */

/* ---------------------------------------------------------------------- */
/* Buttons                                                                 */
/* ---------------------------------------------------------------------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 30px;
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
  cursor: pointer;
  border: 1px solid transparent;
  isolation: isolate;
  overflow: hidden;
  transition: transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; }
.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--gradient-cta);
  background-size: 200% 200%;
  color: #04121c;
  box-shadow: var(--glow-blue);
}
.btn-primary:hover {
  color: #04121c;
  box-shadow: 0 0 0 1px rgba(4,172,236,0.4), 0 24px 60px rgba(4,172,236,0.32);
  transform: translateY(-2px);
  background-position: 100% 50%;
}

.btn-outline {
  background: var(--surface-1);
  border-color: var(--border-2);
  color: var(--color-text);
  backdrop-filter: blur(8px);
}
.btn-outline:hover {
  background: var(--surface-3);
  border-color: rgba(255,255,255,0.3);
  color: var(--color-text);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text);
  padding: 10px 4px;
}
.btn-ghost:hover { color: var(--color-primary); }

.btn-block { width: 100%; }
.btn-sm { padding: 11px 20px; font-size: 0.85rem; }

/* Ripple */
.btn .ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  transform: scale(0);
  animation: ripple 650ms var(--ease);
  pointer-events: none;
}

/* ---------------------------------------------------------------------- */
/* Header / Nav                                                           */
/* ---------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  padding: 18px 0;
  transition: padding var(--dur-med) var(--ease), background var(--dur-med) var(--ease);
}
.site-header::before {
  content: "";
  position: absolute; inset: 0;
  background: rgba(5,7,11,0);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(0px);
  transition: background var(--dur-med) var(--ease), border-color var(--dur-med) var(--ease), backdrop-filter var(--dur-med) var(--ease);
  z-index: -1;
}
.site-header.scrolled { padding: 12px 0; }
.site-header.scrolled::before {
  background: rgba(5,7,11,0.72);
  border-bottom-color: var(--border-1);
  backdrop-filter: blur(16px) saturate(160%);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.brand { display: flex; align-items: center; gap: 10px; }
.brand img { height: 34px; width: auto; }
.brand-mark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-links a {
  position: relative;
  display: inline-block;
  padding: 9px 16px;
  color: var(--color-muted);
  font-weight: 500;
  font-size: 0.92rem;
  border-radius: var(--radius-full);
  transition: color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}
.nav-links a:hover { color: var(--color-text); background: var(--surface-2); }

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

.lang-toggle {
  display: flex;
  border: 1px solid var(--border-2);
  border-radius: var(--radius-full);
  overflow: hidden;
  font-family: var(--font-display);
  font-size: 0.74rem;
  font-weight: 700;
  background: var(--surface-1);
}
.lang-toggle button {
  border: none;
  background: transparent;
  padding: 8px 13px;
  cursor: pointer;
  color: var(--color-muted);
  transition: color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}
.lang-toggle button.active { background: var(--color-primary); color: #04121c; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px; height: 42px;
  background: var(--surface-1);
  border: 1px solid var(--border-1);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 0;
  align-items: center;
}
.nav-toggle span {
  width: 18px; height: 1.5px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--dur-fast) var(--ease), opacity var(--dur-fast) var(--ease);
}
.site-header.nav-open .nav-toggle span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.site-header.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.site-header.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ---------------------------------------------------------------------- */
/* Glass panel / card primitives                                          */
/* ---------------------------------------------------------------------- */
.glass-panel {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(18px) saturate(140%);
  border-radius: var(--radius-lg);
}

.card {
  position: relative;
  background: var(--gradient-card);
  border: 1px solid var(--border-1);
  border-radius: var(--radius-md);
  transition: transform var(--dur-med) var(--ease), border-color var(--dur-med) var(--ease), box-shadow var(--dur-med) var(--ease);
}
.card:hover {
  transform: translateY(-6px);
  border-color: var(--border-2);
  box-shadow: var(--shadow-card);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  background: var(--surface-2);
  border: 1px solid var(--border-1);
  color: var(--color-muted);
}
.badge.badge-primary { color: var(--color-primary); border-color: rgba(var(--color-primary-rgb), 0.3); background: rgba(var(--color-primary-rgb), 0.1); }
.badge.badge-secondary { color: var(--color-secondary); border-color: rgba(var(--color-secondary-rgb), 0.3); background: rgba(var(--color-secondary-rgb), 0.1); }

/* ---------------------------------------------------------------------- */
/* Forms                                                                  */
/* ---------------------------------------------------------------------- */
.field { margin-bottom: 20px; }
.field label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}
.field input,
.field textarea,
.field select {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--border-2);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--surface-1);
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}
.field input::placeholder,
.field textarea::placeholder { color: var(--color-muted-2); }
.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.18);
  background: rgba(255,255,255,0.05);
}
.field textarea { min-height: 130px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-note { font-size: 0.8rem; color: var(--color-muted-2); margin-top: 14px; text-align: center; }
.honeypot-field { position: absolute; left: -9999px; }

/* Newsletter inline form */
.newsletter-form {
  display: flex;
  gap: 10px;
  margin-top: 18px;
}
.newsletter-form input {
  flex: 1;
  padding: 13px 16px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-2);
  background: var(--surface-1);
  color: var(--color-text);
  font-size: 0.9rem;
}
.newsletter-form input:focus { outline: none; border-color: var(--color-primary); }
.newsletter-form button {
  border: none;
  border-radius: var(--radius-full);
  padding: 13px 22px;
  background: var(--gradient-cta);
  color: #04121c;
  font-weight: 700;
  font-family: var(--font-display);
  cursor: pointer;
  flex-shrink: 0;
}

/* ---------------------------------------------------------------------- */
/* Accordion (FAQ)                                                        */
/* ---------------------------------------------------------------------- */
.accordion-item {
  border-bottom: 1px solid var(--border-1);
}
.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 26px 4px;
  background: none;
  border: none;
  text-align: left;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  font-weight: 600;
  cursor: pointer;
}
.accordion-icon {
  flex-shrink: 0;
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 1px solid var(--border-2);
  display: flex; align-items: center; justify-content: center;
  position: relative;
  transition: transform var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}
.accordion-icon::before, .accordion-icon::after {
  content: "";
  position: absolute;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--dur-fast) var(--ease), opacity var(--dur-fast) var(--ease);
}
.accordion-icon::before { width: 12px; height: 1.5px; }
.accordion-icon::after { width: 1.5px; height: 12px; }
.accordion-item.open .accordion-icon { background: var(--gradient-cta); border-color: transparent; transform: rotate(180deg); }
.accordion-item.open .accordion-icon::after { opacity: 0; }

.accordion-panel {
  height: 0;
  overflow: hidden;
  transition: height var(--dur-med) var(--ease);
}
.accordion-panel-inner { padding: 0 4px 26px; max-width: 760px; }

/* ---------------------------------------------------------------------- */
/* Sticky mobile CTA                                                      */
/* ---------------------------------------------------------------------- */
.sticky-cta {
  position: fixed;
  left: 12px; right: 12px; bottom: 12px;
  z-index: 190;
  display: none;
  transform: translateY(120%);
  transition: transform var(--dur-med) var(--ease);
}
.sticky-cta.visible { transform: translateY(0); }
.sticky-cta .btn { width: 100%; padding: 16px; }

@media (max-width: 720px) {
  .sticky-cta { display: block; }
}