/* ============================================
   SITE 4 — FLUX SIGNAL FEES & DEPOSITS
   Theme: Dark + Purple/Violet Accents
   Style: Clean Data / Financial Transparency
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=DM+Sans:wght@500;600;700;800&display=swap');

:root {
  --bg-primary: #09091a;
  --bg-secondary: #0e0e24;
  --bg-card: #14142e;
  --bg-card-hover: #1a1a3e;
  --surface: #101028;
  --border: rgba(168, 130, 255, 0.15);
  --border-subtle: rgba(255, 255, 255, 0.06);

  --text-primary: #f0ecf8;
  --text-secondary: #9b95b0;
  --text-muted: #6b6588;

  --accent: #a882ff;
  --accent-hover: #c4a6ff;
  --accent-glow: rgba(168, 130, 255, 0.12);
  --accent-dark: #7c3aed;

  --success: #34d399;
  --warning: #fbbf24;
  --danger: #f87171;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 40px rgba(168, 130, 255, 0.1);

  --font-body: 'Inter', -apple-system, sans-serif;
  --font-display: 'DM Sans', -apple-system, sans-serif;

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: var(--accent); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent-hover); }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; position: relative; }
.section--alt { background: var(--bg-secondary); }

.section-label {
  font-size: 0.75rem; font-weight: 700; letter-spacing: 3px;
  text-transform: uppercase; color: var(--accent); margin-bottom: 16px; display: block;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800; line-height: 1.2; margin-bottom: 20px;
}

.section-subtitle {
  font-size: 1.1rem; color: var(--text-secondary); max-width: 640px; line-height: 1.8;
}

/* HEADER */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(9, 9, 26, 0.88);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle); padding: 16px 0;
}

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

.nav__logo {
  font-family: var(--font-display); font-weight: 700; font-size: 1.1rem;
  color: var(--text-primary); display: flex; align-items: center; gap: 10px;
}

.nav__logo-icon {
  width: 34px; height: 34px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  border-radius: 8px; display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
}

.nav__badge {
  font-size: 0.65rem; padding: 3px 8px;
  background: var(--accent-glow); color: var(--accent);
  border: 1px solid var(--border); border-radius: 20px;
  font-weight: 600; letter-spacing: 1px; text-transform: uppercase;
}

.nav__cta {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 20px; background: var(--accent); color: #fff;
  font-weight: 700; font-size: 0.85rem; border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav__cta:hover {
  background: var(--accent-hover); color: #fff;
  transform: translateY(-1px); box-shadow: var(--shadow-glow);
}

/* HERO */
.hero {
  padding: 160px 0 100px; position: relative; overflow: hidden;
}

.hero::before {
  content: ''; position: absolute; top: -150px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
  pointer-events: none;
}

.hero__content { max-width: 780px; }

.hero__price-tag {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 10px 24px; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius-xl);
  margin-bottom: 32px; animation: fadeInUp 0.8s ease;
}

.hero__price-tag span { font-weight: 700; color: var(--accent); }

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5.5vw, 3.4rem);
  font-weight: 800; line-height: 1.15; margin-bottom: 24px;
  animation: fadeInUp 0.8s ease 0.1s both;
}

.hero__title em {
  font-style: normal;
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

.hero__desc {
  font-size: 1.15rem; color: var(--text-secondary); line-height: 1.9;
  max-width: 640px; margin-bottom: 40px;
  animation: fadeInUp 0.8s ease 0.2s both;
}

/* TRUST BAR / KEY NUMBERS */
.trust-bar {
  padding: 50px 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  background: var(--surface);
}

.trust-bar__grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 20px; text-align: center;
}

.trust-bar__item {
  display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 14px;
}

.trust-bar__icon { font-size: 1.4rem; }

.trust-bar__value {
  font-family: var(--font-display); font-size: 1.3rem;
  font-weight: 800; color: var(--accent);
}

.trust-bar__label {
  font-size: 0.75rem; font-weight: 600; color: var(--text-secondary);
}

/* NO-FEE GRID */
.no-fee-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px; margin-top: 48px;
}

.no-fee-item {
  display: flex; align-items: center; gap: 14px;
  padding: 20px 24px; background: var(--bg-card);
  border: 1px solid var(--border-subtle); border-radius: var(--radius-md);
  transition: var(--transition);
}

.no-fee-item:hover { border-color: var(--border); transform: translateY(-2px); }

.no-fee-item__icon {
  flex-shrink: 0; width: 40px; height: 40px;
  background: rgba(52, 211, 153, 0.1); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--success); font-size: 1.1rem; font-weight: 700;
}

.no-fee-item__text {
  font-size: 0.92rem; font-weight: 600; color: var(--text-primary);
}

/* DEPOSIT METHOD CARDS */
.method-cards {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px; margin-top: 48px;
}

.method-card {
  background: var(--bg-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md); padding: 36px;
  transition: var(--transition); position: relative; overflow: hidden;
}

.method-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 3px; background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0; transition: var(--transition);
}

.method-card:hover::before { opacity: 1; }
.method-card:hover { border-color: var(--border); transform: translateY(-3px); box-shadow: var(--shadow-md); }

.method-card__icon { font-size: 2.5rem; margin-bottom: 16px; }

.method-card__title {
  font-family: var(--font-display); font-size: 1.15rem;
  font-weight: 700; margin-bottom: 8px;
}

.method-card__speed {
  font-size: 0.75rem; font-weight: 700; color: var(--accent);
  text-transform: uppercase; letter-spacing: 1px; margin-bottom: 12px;
}

.method-card__text {
  color: var(--text-secondary); font-size: 0.9rem; line-height: 1.7;
}

/* WITHDRAWAL STEPS */
.withdrawal-steps {
  display: flex; flex-direction: column; gap: 16px; margin-top: 48px;
  max-width: 700px;
}

.w-step {
  display: flex; align-items: center; gap: 20px;
  padding: 22px 28px; background: var(--bg-card);
  border: 1px solid var(--border-subtle); border-radius: var(--radius-md);
  transition: var(--transition);
}

.w-step:hover { border-color: var(--border); }

.w-step__number {
  flex-shrink: 0; width: 40px; height: 40px;
  background: var(--accent-glow); border: 1px solid var(--border);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 800;
  color: var(--accent); font-size: 1rem;
}

.w-step__text { font-size: 0.95rem; color: var(--text-secondary); }
.w-step__text strong { color: var(--text-primary); }

/* COMPARISON TABLE */
.fee-table {
  width: 100%; margin-top: 48px;
  border-collapse: separate; border-spacing: 0;
  border-radius: var(--radius-md); overflow: hidden;
  border: 1px solid var(--border-subtle);
}

.fee-table thead th {
  background: var(--surface); padding: 18px 24px;
  text-align: left; font-size: 0.8rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1px; color: var(--text-muted);
  border-bottom: 1px solid var(--border-subtle);
}

.fee-table tbody td {
  padding: 16px 24px; font-size: 0.92rem;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-card); color: var(--text-secondary);
}

.fee-table tbody tr:last-child td { border-bottom: none; }
.fee-table tbody tr:hover td { background: var(--bg-card-hover); }

.fee-table .highlight { color: var(--accent); font-weight: 700; }
.fee-table .success { color: var(--success); font-weight: 600; }
.fee-table .muted { color: var(--text-muted); }

/* TESTIMONIALS */
.testimonials__grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px; margin-top: 48px;
}

.testimonial-card {
  background: var(--bg-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md); padding: 28px;
}

.testimonial-card__quote { font-size: 2rem; color: var(--accent); opacity: 0.3; line-height: 1; margin-bottom: 8px; }
.testimonial-card__text { color: var(--text-secondary); font-size: 0.92rem; line-height: 1.8; font-style: italic; margin-bottom: 16px; }
.testimonial-card__author { display: flex; align-items: center; gap: 12px; }
.testimonial-card__avatar {
  width: 38px; height: 38px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.8rem; color: #fff;
}
.testimonial-card__name { font-weight: 600; font-size: 0.88rem; }
.testimonial-card__location { font-size: 0.78rem; color: var(--text-muted); }

/* FAQ */
.faq__list {
  max-width: 760px; margin: 48px auto 0;
  display: flex; flex-direction: column; gap: 12px;
}

.faq-item {
  border: 1px solid var(--border-subtle); border-radius: var(--radius-md);
  overflow: hidden; transition: var(--transition);
}
.faq-item:hover { border-color: var(--border); }

.faq-item__question {
  width: 100%; background: var(--bg-card); border: none;
  color: var(--text-primary); font-family: var(--font-body);
  font-size: 1rem; font-weight: 600; text-align: left;
  padding: 22px 28px; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  transition: var(--transition);
}
.faq-item__question:hover { background: var(--bg-card-hover); }

.faq-item__icon {
  flex-shrink: 0; width: 28px; height: 28px; border-radius: 50%;
  background: var(--surface); display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; color: var(--accent); transition: var(--transition);
}
.faq-item.active .faq-item__icon { transform: rotate(45deg); }
.faq-item__answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.faq-item.active .faq-item__answer { max-height: 300px; }
.faq-item__answer-inner { padding: 0 28px 22px; color: var(--text-secondary); line-height: 1.8; }

/* CTA */
.cta-section {
  padding: 100px 0; text-align: center; position: relative; overflow: hidden;
}
.cta-section::before {
  content: ''; position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%); width: 800px; height: 400px;
  background: radial-gradient(ellipse, var(--accent-glow), transparent 70%);
  pointer-events: none;
}
.cta-section__content { position: relative; z-index: 1; }
.cta-section__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; margin-bottom: 20px;
}
.cta-section__desc {
  font-size: 1.1rem; color: var(--text-secondary); max-width: 600px;
  margin: 0 auto 40px; line-height: 1.8;
}

.cta-btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 18px 40px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff; font-weight: 800; font-size: 1.05rem;
  border: none; border-radius: var(--radius-md); cursor: pointer;
  transition: var(--transition); text-decoration: none;
  box-shadow: 0 4px 20px rgba(168, 130, 255, 0.25);
}
.cta-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(168, 130, 255, 0.35); color: #fff;
}
.cta-btn--outline {
  background: transparent; border: 2px solid var(--accent);
  color: var(--accent); box-shadow: none; margin-left: 16px;
}
.cta-btn--outline:hover {
  background: var(--accent-glow); color: var(--accent); box-shadow: none;
}

/* RISK */
.risk-disclosure {
  background: rgba(248, 113, 113, 0.05); border: 1px solid rgba(248, 113, 113, 0.15);
  border-radius: var(--radius-md); padding: 28px 32px; margin-top: 48px;
}
.risk-disclosure__title {
  font-size: 0.85rem; font-weight: 700; color: var(--danger);
  text-transform: uppercase; letter-spacing: 1px; margin-bottom: 12px;
}
.risk-disclosure__text { color: var(--text-muted); font-size: 0.85rem; line-height: 1.8; }

/* FOOTER */
.site-footer {
  padding: 48px 0; border-top: 1px solid var(--border-subtle); text-align: center;
}
.site-footer__text { color: var(--text-muted); font-size: 0.8rem; line-height: 1.8; max-width: 700px; margin: 0 auto; }
.site-footer__links { margin-top: 20px; display: flex; justify-content: center; gap: 24px; flex-wrap: wrap; }
.site-footer__link { color: var(--text-muted); font-size: 0.8rem; }
.site-footer__link:hover { color: var(--accent); }

/* ANIMATIONS */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-on-scroll {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.animate-on-scroll.visible { opacity: 1; transform: translateY(0); }

/* RESPONSIVE */
@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .hero { padding: 120px 0 60px; }
  .method-cards { grid-template-columns: 1fr; }
  .testimonials__grid { grid-template-columns: 1fr; }
  .no-fee-grid { grid-template-columns: 1fr; }
  .cta-btn--outline { margin-left: 0; margin-top: 12px; }
  .nav__badge { display: none; }
  .fee-table { font-size: 0.82rem; }
  .fee-table thead th, .fee-table tbody td { padding: 12px 14px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .trust-bar__grid { grid-template-columns: repeat(2, 1fr); }
  .cta-btn { width: 100%; justify-content: center; }
  .cta-btn--outline { width: 100%; justify-content: center; }
}