/* ================================================
   NEXORIA — Component Styles
   Art direction: Dark premium crypto-native fintech
   ================================================ */

/* ---- HEADER ---- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 11, 15, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.header.scrolled {
  border-bottom-color: var(--color-divider);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}
.header-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-4) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}
.logo-icon { display: block; flex-shrink: 0; }
.logo-text {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: 0.08em;
}
.nav-desktop {
  display: none;
  gap: var(--space-8);
}
.nav-link {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.nav-link:hover { color: var(--color-text); }
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.header-actions .btn { display: none; }
.mobile-menu-btn {
  color: var(--color-text);
  padding: var(--space-2);
}
.nav-mobile {
  display: none;
  flex-direction: column;
  padding: var(--space-4) var(--space-6) var(--space-6);
  border-top: 1px solid var(--color-divider);
}
.nav-mobile.open { display: flex; }
.nav-mobile-link {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-divider);
  transition: color var(--transition-interactive);
}
.nav-mobile-link:hover { color: var(--color-text); }

@media (min-width: 768px) {
  .nav-desktop { display: flex; }
  .header-actions .btn { display: inline-flex; }
  .mobile-menu-btn { display: none; }
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: background var(--transition-interactive),
              color var(--transition-interactive),
              box-shadow var(--transition-interactive),
              transform var(--transition-interactive);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-sm { padding: var(--space-2) var(--space-4); font-size: var(--text-xs); }
.btn-lg { padding: var(--space-4) var(--space-8); font-size: var(--text-sm); }
.btn-full { width: 100%; }

.btn-alpha {
  background: var(--color-alpha);
  color: #fff;
}
.btn-alpha:hover {
  background: var(--color-alpha-hover);
  box-shadow: 0 0 24px var(--color-alpha-glow), 0 4px 12px rgba(0,0,0,0.3);
}
.btn-edge {
  background: var(--color-edge);
  color: #fff;
}
.btn-edge:hover {
  background: var(--color-edge-hover);
  box-shadow: 0 0 24px var(--color-edge-glow), 0 4px 12px rgba(0,0,0,0.3);
}
.btn-vip {
  background: linear-gradient(135deg, var(--color-vip), var(--color-vip-light));
  color: var(--color-text-inverse);
  font-weight: 700;
}
.btn-vip:hover {
  box-shadow: 0 0 24px var(--color-vip-glow), 0 4px 12px rgba(0,0,0,0.3);
}
.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn-ghost:hover {
  background: var(--color-surface-2);
  border-color: var(--color-text-muted);
}

/* ---- BADGES ---- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  width: fit-content;
}
.badge-alpha {
  background: var(--color-alpha-subtle);
  color: var(--color-alpha-light);
  border: 1px solid rgba(255, 69, 0, 0.2);
}
.badge-edge {
  background: var(--color-edge-subtle);
  color: var(--color-edge-light);
  border: 1px solid rgba(0, 163, 255, 0.2);
}
.badge-vip {
  background: rgba(255, 184, 0, 0.1);
  color: var(--color-vip-light);
  border: 1px solid rgba(255, 184, 0, 0.2);
}
.badge-glow {
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-text-muted);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
}

/* ---- LAYOUT ---- */
.container {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: 0 var(--space-6);
}
.container-narrow {
  max-width: var(--content-default);
  margin: 0 auto;
  padding: 0 var(--space-6);
}
.section {
  padding: clamp(var(--space-12), 8vw, var(--space-24)) 0;
}
.section-dark {
  background: var(--color-surface-offset);
}
.section-header {
  text-align: center;
  margin-bottom: clamp(var(--space-8), 4vw, var(--space-16));
}
.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}
.section-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}
.section-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 60ch;
  margin: 0 auto;
}

/* ---- HERO ---- */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10,11,15,0.6) 0%, rgba(10,11,15,0.85) 60%, var(--color-bg) 100%);
}
.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: 0.06;
  background-image:
    linear-gradient(rgba(255,255,255,0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.1) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.hero-particles {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: calc(var(--space-32) + var(--space-16)) var(--space-6) var(--space-20);
  max-width: 900px;
}
.hero-badge {
  margin-bottom: var(--space-6);
}
.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-6);
  background: linear-gradient(135deg, var(--color-text) 0%, var(--color-text-muted) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 56ch;
  margin: 0 auto var(--space-10);
  line-height: 1.6;
}
.hero-ctas {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

/* ---- SOCIAL PROOF BAR ---- */
.proof-bar {
  position: relative;
  z-index: 2;
  padding: var(--space-6) 0;
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
  background: var(--color-surface);
}
.proof-stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-6);
  flex-wrap: wrap;
}
.proof-stat {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.proof-stat-icon {
  color: var(--color-text-faint);
  display: flex;
  align-items: center;
}
.proof-stat-text {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
}
.proof-divider {
  width: 1px;
  height: 20px;
  background: var(--color-divider);
  display: none;
}
@media (min-width: 640px) {
  .proof-divider { display: block; }
}

/* ---- CHANNEL CARDS ---- */
.channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}
@media (min-width: 768px) {
  .channel-grid { grid-template-columns: 1fr 1fr; }
}
.channel-card {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
}
.channel-card-glow {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-2xl);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}
.channel-card:hover .channel-card-glow { opacity: 1; }
.channel-alpha-glow {
  box-shadow: inset 0 0 0 1px rgba(255, 69, 0, 0.3), 0 0 40px rgba(255, 69, 0, 0.08);
}
.channel-edge-glow {
  box-shadow: inset 0 0 0 1px rgba(0, 163, 255, 0.3), 0 0 40px rgba(0, 163, 255, 0.08);
}
.channel-card-inner {
  position: relative;
  z-index: 1;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition-interactive);
}
.channel-alpha:hover .channel-card-inner { border-color: rgba(255, 69, 0, 0.3); }
.channel-edge:hover .channel-card-inner { border-color: rgba(0, 163, 255, 0.3); }

.channel-card-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  margin: var(--space-4) 0 var(--space-3);
}
.channel-card-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  line-height: 1.6;
}
.feature-list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex-grow: 1;
}
.feature-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.feature-item svg { flex-shrink: 0; }
.channel-pricing {
  margin-bottom: var(--space-6);
}
.channel-price {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text);
}
.channel-price-period {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-text-muted);
}
.channel-price-alt {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-1);
}

/* ---- VIP SECTION ---- */
.section-vip {
  background: var(--color-bg);
}
.vip-card {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
}
.vip-glow {
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-2xl);
  background: linear-gradient(135deg, rgba(255,184,0,0.2) 0%, rgba(255,69,0,0.1) 50%, rgba(0,163,255,0.2) 100%);
  z-index: 0;
}
.vip-inner {
  position: relative;
  z-index: 1;
  background: var(--color-surface);
  border-radius: var(--radius-2xl);
  padding: clamp(var(--space-8), 4vw, var(--space-12));
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}
@media (min-width: 768px) {
  .vip-inner { grid-template-columns: 1.5fr 1fr; align-items: center; }
}
.vip-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-vip-light);
  margin: var(--space-4) 0 var(--space-2);
}
.vip-subtitle {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}
.vip-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  line-height: 1.6;
}
.feature-list-vip {
  margin-bottom: 0;
}
.vip-pricing-block {
  text-align: center;
  padding: var(--space-8);
  background: var(--color-surface-2);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
}
.vip-price-tag {
  margin-bottom: var(--space-6);
}
.vip-price {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-vip);
}
.vip-price-period {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-muted);
}
.vip-guarantee {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-4);
}

/* ---- HOW IT WORKS ---- */
.steps-grid {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}
@media (min-width: 768px) {
  .steps-grid {
    flex-direction: row;
    justify-content: center;
    gap: var(--space-6);
  }
}
.step-card {
  text-align: center;
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  flex: 1;
  max-width: 320px;
  width: 100%;
}
.step-number {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-text-faint);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-4);
}
.step-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-5);
}
.step-icon-alpha {
  background: var(--color-alpha-subtle);
  color: var(--color-alpha-light);
}
.step-icon-edge {
  background: var(--color-edge-subtle);
  color: var(--color-edge-light);
}
.step-icon-vip {
  background: rgba(255, 184, 0, 0.1);
  color: var(--color-vip-light);
}
.step-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-3);
}
.step-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}
.step-connector {
  display: none;
}
@media (min-width: 768px) {
  .step-connector {
    display: flex;
    align-items: center;
    flex-shrink: 0;
  }
}

/* ---- ACADEMY ---- */
.academy-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
@media (min-width: 640px) {
  .academy-grid { grid-template-columns: 1fr 1fr; }
}
.academy-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: border-color var(--transition-interactive);
}
.academy-card:hover { border-color: rgba(255,255,255,0.15); }
.academy-card-badge {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-faint);
  background: rgba(255,255,255,0.05);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}
.academy-icon {
  margin-bottom: var(--space-4);
}
.academy-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-3);
}
.academy-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}
.academy-cta {
  text-align: center;
  margin-top: var(--space-10);
}

/* ---- FAQ ---- */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-interactive);
}
.faq-item[open] { border-color: rgba(255,255,255,0.15); }
.faq-question {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  padding: var(--space-5) var(--space-6);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--color-text);
  transition: color var(--transition-interactive);
}
.faq-question::-webkit-details-marker { display: none; }
.faq-question::after {
  content: '+';
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 300;
  color: var(--color-text-faint);
  transition: transform var(--transition-interactive);
  flex-shrink: 0;
  margin-left: var(--space-4);
}
.faq-item[open] .faq-question::after {
  content: '−';
}
.faq-answer {
  padding: 0 var(--space-6) var(--space-6);
}
.faq-answer p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ---- EXCHANGES ---- */
.exchange-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}
@media (min-width: 640px) {
  .exchange-grid { grid-template-columns: repeat(4, 1fr); }
}
.exchange-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-8) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  text-decoration: none;
  transition: border-color var(--transition-interactive),
              transform var(--transition-interactive),
              box-shadow var(--transition-interactive);
}
.exchange-card:hover {
  border-color: rgba(255,255,255,0.15);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}
.exchange-name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text);
}
.exchange-cta {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  transition: color var(--transition-interactive);
}
.exchange-card:hover .exchange-cta { color: var(--color-text-muted); }

/* ---- EMAIL CAPTURE ---- */
.email-card {
  text-align: center;
  padding: clamp(var(--space-8), 4vw, var(--space-12));
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
}
.email-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--space-3);
}
.email-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
}
.email-form {
  max-width: 480px;
  margin: 0 auto;
}
.email-fields {
  display: flex;
  gap: var(--space-3);
}
.email-input {
  flex: 1;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  transition: border-color var(--transition-interactive),
              box-shadow var(--transition-interactive);
  min-width: 0;
}
.email-input::placeholder { color: var(--color-text-faint); }
.email-input:focus {
  outline: none;
  border-color: var(--color-alpha);
  box-shadow: 0 0 0 3px var(--color-alpha-glow);
}
.email-success {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-success);
  padding: var(--space-4);
}
.email-disclaimer {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-4);
}

/* ---- FOOTER ---- */
.footer {
  padding: clamp(var(--space-8), 4vw, var(--space-16)) 0 var(--space-8);
  background: var(--color-surface-offset);
  border-top: 1px solid var(--color-divider);
}
.footer-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
}
@media (min-width: 768px) {
  .footer-top { grid-template-columns: 1fr 2fr; }
}
.footer-brand .logo { margin-bottom: var(--space-3); }
.footer-tagline {
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  font-style: italic;
}
.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.footer-col-title {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}
.footer-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.footer-link {
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.footer-link:hover { color: var(--color-text); }
.footer-divider {
  height: 1px;
  background: var(--color-divider);
  margin: var(--space-10) 0 var(--space-6);
}
.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
@media (min-width: 768px) {
  .footer-bottom { flex-direction: row; justify-content: space-between; align-items: center; }
}
.footer-disclaimer {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  max-width: 50ch;
}
.footer-meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
@media (min-width: 640px) {
  .footer-meta { flex-direction: row; gap: var(--space-4); align-items: center; }
}
.footer-pplx {
  color: var(--color-text-faint);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.footer-pplx:hover { color: var(--color-text-muted); }

/* ---- SCROLL ANIMATIONS ---- */
.fade-in {
  opacity: 1;
}

@supports (animation-timeline: view()) {
  .fade-in {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 35%;
  }
}

@keyframes reveal-fade {
  to { opacity: 1; }
}

/* Fallback for non-supporting browsers: IntersectionObserver adds .visible */
.fade-in.visible {
  opacity: 1;
  animation: fadeInUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .fade-in { opacity: 1 !important; animation: none !important; }
}