/* =====================================================
   SUPPORT PAGE — Styles
   Extends style.css design tokens and base styles
   ===================================================== */

/* ===== SUPPORT HERO ===== */
.support-hero {
  padding: calc(var(--nav-height) + var(--space-10)) 0 var(--space-10);
  background: linear-gradient(160deg, #f0f4ff 0%, #e8f4fd 50%, #fafbff 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.support-hero::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -80px;
  width: 400px;
  height: 400px;
  background: rgba(66, 96, 215, 0.08);
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}

.support-hero-content h1 {
  font-size: var(--text-h1);
  font-weight: var(--weight-extrabold);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-2);
  color: var(--color-text-primary);
}

.support-hero-sub {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  max-width: 600px;
  margin: 0 auto var(--space-5);
}

/* ===== SEARCH BAR ===== */
.support-search {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  max-width: 560px;
  margin: 0 auto;
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 14px 24px;
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
}

.support-search:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(66, 96, 215, 0.12), var(--shadow-md);
}

.support-search i {
  color: var(--color-text-muted);
  font-size: 1rem;
  flex-shrink: 0;
}

.support-search input {
  border: none;
  outline: none;
  background: none;
  font-size: 1rem;
  color: var(--color-text-primary);
  width: 100%;
  padding: 0;
}

.support-search input::placeholder {
  color: var(--color-text-muted);
}

/* ===== QUICK LINKS ===== */
#quick-links {
  padding: var(--space-10) 0;
}

.quick-links-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.quick-link-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-5);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: var(--transition-base);
  text-decoration: none;
  color: inherit;
}

.quick-link-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.quick-link-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(66, 96, 215, 0.12), rgba(39, 150, 185, 0.10));
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--space-3);
}

.quick-link-card h3 {
  font-size: var(--text-h3);
  font-weight: var(--weight-bold);
  margin-bottom: var(--space-1);
  color: var(--color-text-primary);
}

.quick-link-card p {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: var(--leading-relaxed);
}

/* ===== GETTING STARTED STEPS ===== */
#getting-started {
  padding: var(--space-12) 0;
}

.steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  counter-reset: step-counter;
}

.step-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  position: relative;
  transition: var(--transition-base);
}

.step-card:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
}

.step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: var(--weight-bold);
  margin-bottom: var(--space-3);
}

.step-card h3 {
  font-size: var(--text-h3);
  font-weight: var(--weight-bold);
  margin-bottom: var(--space-1);
  color: var(--color-text-primary);
}

.step-card p {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: var(--leading-relaxed);
}

/* ===== USER GUIDES ===== */
#guides {
  padding: var(--space-12) 0;
}

.guides-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.guide-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-4);
  transition: var(--transition-base);
  cursor: pointer;
}

.guide-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.guide-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(66, 96, 215, 0.10);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: var(--space-3);
}

.guide-card h3 {
  font-size: 1rem;
  font-weight: var(--weight-bold);
  margin-bottom: var(--space-1);
  color: var(--color-text-primary);
}

.guide-card p {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-2);
}

.guide-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-caption);
  font-weight: var(--weight-semibold);
  color: var(--color-primary);
  transition: var(--transition-fast);
}

.guide-card:hover .guide-link {
  gap: 10px;
}

/* ===== FAQ ===== */
#faq {
  padding: var(--space-12) 0;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.faq-item {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-base);
}

.faq-item:hover {
  border-color: var(--color-primary-light);
}

.faq-item[open] {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::marker {
  display: none;
  content: '';
}

.faq-question {
  font-size: 0.9375rem;
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  line-height: var(--leading-snug);
  flex: 1;
  padding-right: var(--space-2);
}

.faq-chevron {
  color: var(--color-text-muted);
  font-size: 0.75rem;
  transition: transform 0.25s ease;
  flex-shrink: 0;
}

.faq-item[open] .faq-chevron {
  transform: rotate(180deg);
  color: var(--color-primary);
}

.faq-answer {
  padding: 0 var(--space-4) var(--space-4);
}

.faq-answer p {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: var(--leading-relaxed);
}

/* ===== CONTACT SUPPORT ===== */
#contact-support {
  padding: var(--space-12) 0;
}

.support-contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}

.support-contact-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  text-align: center;
  transition: var(--transition-base);
}

.support-contact-card:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
}

.support-contact-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  margin: 0 auto var(--space-3);
}

.support-contact-card h3 {
  font-size: var(--text-h3);
  font-weight: var(--weight-bold);
  margin-bottom: var(--space-1);
  color: var(--color-text-primary);
}

.support-contact-card p {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-3);
}

.support-contact-link {
  display: inline-flex;
  align-items: center;
  font-size: 0.9375rem;
  font-weight: var(--weight-semibold);
  color: var(--color-primary);
  transition: var(--transition-fast);
}

.support-contact-link:hover {
  color: var(--color-primary-dark);
}

.support-cta {
  text-align: center;
  padding: var(--space-6);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
}

.support-cta p {
  color: var(--color-text-secondary);
  font-size: 1rem;
  margin-bottom: var(--space-3);
}

/* ===== RESPONSIVE — TABLET 768px+ ===== */
@media (min-width: 768px) {
  .quick-links-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .guides-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .support-contact-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ===== RESPONSIVE — DESKTOP 1024px+ ===== */
@media (min-width: 1024px) {
  .quick-links-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .steps-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .guides-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ===== GUIDE COMING SOON OVERLAY ===== */
.guide-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0);
  backdrop-filter: blur(0px);
  -webkit-backdrop-filter: blur(0px);
  pointer-events: none;
  opacity: 0;
  transition: background 0.35s ease, backdrop-filter 0.35s ease, opacity 0.35s ease;
}

.guide-overlay.visible {
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  pointer-events: auto;
  opacity: 1;
}

.guide-overlay-card {
  background: var(--color-bg);
  border-radius: var(--radius-2xl);
  padding: var(--space-8) var(--space-6);
  text-align: center;
  max-width: 400px;
  width: 90%;
  box-shadow: var(--shadow-2xl);
  transform: scale(0.85) translateY(20px);
  opacity: 0;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.35s ease;
}

.guide-overlay.visible .guide-overlay-card {
  transform: scale(1) translateY(0);
  opacity: 1;
}

.guide-overlay-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(66, 96, 215, 0.12), rgba(39, 150, 185, 0.10));
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin: 0 auto var(--space-4);
  animation: pulse-icon 2s ease-in-out infinite;
}

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

.guide-overlay-card h3 {
  font-size: 1.5rem;
  font-weight: var(--weight-extrabold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.guide-overlay-card p {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-5);
}

.guide-overlay-btn {
  min-width: 140px;
  justify-content: center;
}

/* ===== SEARCH FILTER STATES ===== */
.faq-item.hidden,
.guide-card.hidden,
.step-card.hidden {
  display: none;
}

.no-results {
  text-align: center;
  padding: var(--space-6);
  color: var(--color-text-muted);
  font-size: 1rem;
}

.no-results i {
  display: block;
  font-size: 2rem;
  margin-bottom: var(--space-2);
  color: var(--color-text-muted);
}