/* ─── Reset & Base ───────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:           #04090a;
  --bg-alt:       #060d0e;
  --green:        #00e87a;
  --green-dim:    #00c067;
  --green-glow:   rgba(0, 232, 122, 0.15);
  --green-glow2:  rgba(0, 232, 122, 0.06);
  --text:         #ffffff;
  --text-2:       rgba(255,255,255,0.65);
  --text-3:       rgba(255,255,255,0.40);
  --border:       rgba(255,255,255,0.08);
  --border-2:     rgba(0,232,122,0.25);
  --card-bg:      rgba(255,255,255,0.04);
  --card-bg-h:    rgba(255,255,255,0.07);
  --radius:       12px;
  --radius-lg:    20px;
  --container:    1160px;
  --nav-h:        68px;
  --transition:   0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { display: block; max-width: 100%; }

/* ─── Container ─────────────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ─── Buttons ───────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
  text-decoration: none;
}

.btn-primary {
  background: var(--green);
  color: #050a06;
}
.btn-primary:hover {
  background: #00ff88;
  box-shadow: 0 0 24px rgba(0,232,122,0.4);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  background: var(--card-bg);
  border-color: rgba(255,255,255,0.18);
}

.btn-lg { padding: 14px 28px; font-size: 15px; border-radius: 10px; }
.btn-block { width: 100%; justify-content: center; }

/* ─── Navigation ────────────────────────────────────────────────────────── */
.nav-wrapper {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(4, 9, 10, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  height: var(--nav-h);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 32px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.04em;
  transition: opacity var(--transition);
}
.nav-logo:hover { opacity: 0.85; }
.logo-img { height: 36px; width: auto; display: block; border-radius: 6px; }
.logo-text { font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 17px; letter-spacing: 0.06em; color: var(--green); }
.logo-sub { font-weight: 400; font-size: 11px; letter-spacing: 0.1em; color: var(--text-muted); display: block; margin-top: -2px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  justify-content: center;
}
.nav-links a {
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-2);
  transition: var(--transition);
}
.nav-links a:hover { color: var(--text); background: var(--card-bg); }

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

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ─── Hero ──────────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
}
.hero-glow-1 {
  width: 700px;
  height: 700px;
  background: rgba(0, 232, 122, 0.10);
  top: -100px;
  left: -200px;
}
.hero-glow-2 {
  width: 500px;
  height: 500px;
  background: rgba(0, 180, 90, 0.06);
  bottom: 0;
  right: -100px;
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 0%, transparent 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-top: 80px;
  padding-bottom: 100px;
  max-width: 760px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--green-glow2);
  border: 1px solid var(--border-2);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--green);
  margin-bottom: 28px;
}
.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(48px, 7vw, 84px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--green) 0%, #00ffaa 50%, #00e87a 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--text-2);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 60px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.stat { display: flex; flex-direction: column; gap: 2px; }
.stat-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--green);
}
.stat-label { font-size: 12px; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.08em; }
.stat-divider { width: 1px; height: 36px; background: var(--border); }

/* ─── Section Shared ─────────────────────────────────────────────────────── */
.section { padding: 100px 0; }
.section-alt { background: var(--bg-alt); }

.section-header {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 64px;
}

.section-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--green);
  margin-bottom: 16px;
}

.section-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 16px;
  color: var(--text-2);
  line-height: 1.7;
}

/* ─── Features Grid ──────────────────────────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
}
.feature-card:hover {
  background: var(--card-bg-h);
  border-color: var(--border-2);
  transform: translateY(-2px);
}
.feature-card--large { grid-column: span 1; }

/* Make first and last cards span 2 cols for visual variety */
.feature-card:first-child { grid-column: span 2; }
.feature-card:last-child { grid-column: span 2; }

.feature-icon {
  font-size: 28px;
  margin-bottom: 16px;
  filter: grayscale(0.1);
}
.feature-card h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.feature-card p { font-size: 14px; color: var(--text-2); line-height: 1.6; }

/* ─── Docs ───────────────────────────────────────────────────────────────── */
.docs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

.doc-card {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: var(--transition);
  text-decoration: none;
}
.doc-card:hover {
  background: var(--card-bg-h);
  border-color: var(--border-2);
  transform: translateY(-2px);
}
.doc-card-icon { font-size: 28px; flex-shrink: 0; }
.doc-card-body { flex: 1; }
.doc-card-body h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}
.doc-card-body p { font-size: 13px; color: var(--text-2); }
.doc-card-arrow {
  font-size: 20px;
  color: var(--green);
  opacity: 0;
  transition: var(--transition);
  transform: translateX(-8px);
}
.doc-card:hover .doc-card-arrow { opacity: 1; transform: translateX(0); }

.docs-cta {
  text-align: center;
  color: var(--text-2);
  font-size: 14px;
}
.docs-cta code {
  background: rgba(0,232,122,0.1);
  color: var(--green);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 13px;
}

/* ─── Referrals ──────────────────────────────────────────────────────────── */
.referral-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 48px;
  align-items: start;
}

.referral-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.referral-step {
  display: flex;
  gap: 24px;
  padding-bottom: 40px;
  position: relative;
}
.referral-step:not(:last-child)::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 48px;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--border-2), transparent);
}

.step-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px;
  font-weight: 700;
  color: var(--green);
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--green-glow2);
  border: 1px solid var(--border-2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step-body h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 6px;
  padding-top: 8px;
}
.step-body p { font-size: 14px; color: var(--text-2); line-height: 1.6; }

.referral-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: sticky;
  top: calc(var(--nav-h) + 24px);
}

.fee-comparison {
  background: rgba(0,0,0,0.3);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
}
.fee-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
}
.fee-label { font-size: 14px; color: var(--text-2); }
.fee-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 22px;
  font-weight: 700;
}
.fee-value--standard { color: var(--text-3); text-decoration: line-through; }
.fee-value--referral { color: var(--green); }
.fee-divider { height: 1px; background: var(--border); margin: 4px 0; }

.savings-callout {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}
.savings-badge {
  background: var(--green-glow);
  border: 1px solid var(--border-2);
  color: var(--green);
  font-size: 13px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 100px;
}
.savings-text { font-size: 13px; color: var(--text-2); }

/* ─── FAQ ────────────────────────────────────────────────────────────────── */
.faq-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.faq-item { background: var(--card-bg); }
.faq-item + .faq-item { border-top: 1px solid var(--border); }

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 22px 28px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
  font-family: inherit;
  transition: var(--transition);
  gap: 16px;
}
.faq-question:hover { background: var(--card-bg-h); }
.faq-question[aria-expanded="true"] { color: var(--green); }

.faq-icon {
  font-size: 22px;
  font-weight: 300;
  color: var(--green);
  transition: transform var(--transition);
  flex-shrink: 0;
  line-height: 1;
}
.faq-question[aria-expanded="true"] .faq-icon { transform: rotate(45deg); }

.faq-answer {
  display: none;
  padding: 0 28px 22px;
}
.faq-answer.open { display: block; }
.faq-answer p { font-size: 14px; color: var(--text-2); line-height: 1.7; }
.faq-answer a { color: var(--green); text-decoration: underline; text-underline-offset: 3px; }
.faq-answer code {
  background: rgba(0,232,122,0.1);
  color: var(--green);
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 13px;
}

/* ─── CTA Banner ─────────────────────────────────────────────────────────── */
.cta-banner {
  position: relative;
  padding: 100px 0;
  overflow: hidden;
  text-align: center;
}
.cta-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(0,232,122,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.cta-content { position: relative; z-index: 1; }
.cta-content h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.cta-content p {
  font-size: 17px;
  color: var(--text-2);
  margin-bottom: 36px;
}

/* ─── Footer ─────────────────────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}
.footer-brand p { font-size: 13px; color: var(--text-3); margin-top: 6px; }
.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-links a {
  font-size: 13px;
  color: var(--text-2);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--green); }
.footer-disclaimer {
  width: 100%;
  font-size: 12px;
  color: var(--text-3);
  text-align: center;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

/* ─── Active nav link ────────────────────────────────────────────────────── */
.nav-links a.active { color: var(--text); background: var(--card-bg); }

/* ─── Scroll reveal ──────────────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-card:first-child,
  .feature-card:last-child { grid-column: span 2; }

  .referral-layout { grid-template-columns: 1fr; }
  .referral-card { position: static; }

  .docs-grid { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  :root { --nav-h: 60px; }

  .nav-links { display: none; position: fixed; top: var(--nav-h); left: 0; right: 0; background: var(--bg); flex-direction: column; padding: 16px 24px 24px; gap: 4px; border-bottom: 1px solid var(--border); }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 16px; border-radius: 8px; font-size: 15px; }

  .hamburger { display: flex; }
  .hamburger.open span:nth-child(1) { transform: rotate(45deg) translateY(7px) translateX(3.5px); }
  .hamburger.open span:nth-child(2) { opacity: 0; }
  .hamburger.open span:nth-child(3) { transform: rotate(-45deg) translateY(-7px) translateX(3.5px); }

  .nav-cta { display: none; }

  .hero-content { padding-top: 48px; padding-bottom: 72px; }
  .section { padding: 72px 0; }

  .features-grid { grid-template-columns: 1fr; }
  .feature-card:first-child,
  .feature-card:last-child { grid-column: span 1; }

  .hero-stats { gap: 20px; }
  .stat-divider { display: none; }

  .footer-inner { flex-direction: column; align-items: flex-start; }
}