/* BackerBuy Landing Page */

:root {
  --bg-primary: #070B14;
  --bg-secondary: #0D1526;
  --bg-card: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.16);
  --text-primary: #E2E8F0;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --cyan: #22D3EE;
  --indigo: #6366F1;
  --purple: #A855F7;
  --green: #34D399;
  --gradient: linear-gradient(135deg, #22D3EE 0%, #6366F1 50%, #A855F7 100%);
  --gradient-text: linear-gradient(135deg, #22D3EE, #6366F1, #A855F7);
  --radius: 16px;
  --radius-sm: 12px;
  --radius-pill: 9999px;
  --max-width: 1120px;
  --header-h: 64px;
  --section-gap: 96px;
  --font-heading: 'Outfit', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', monospace;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Background effects */
.bg-effects {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.bg-effects::before {
  content: '';
  position: absolute;
  top: -20%;
  left: -10%;
  width: 50%;
  height: 50%;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.08) 0%, transparent 70%);
}

.bg-effects::after {
  content: '';
  position: absolute;
  bottom: -20%;
  right: -10%;
  width: 55%;
  height: 55%;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.07) 0%, transparent 70%);
}

.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 75%);
}

a {
  color: inherit;
  text-decoration: none;
}

img, svg {
  display: block;
  max-width: 100%;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* Typography */
.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-label {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  max-width: 560px;
  line-height: 1.7;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-header .section-subtitle {
  margin: 0 auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  border: none;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s, border-color 0.2s;
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--indigo);
  color: #fff;
  box-shadow: 0 0 24px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
  background: #818CF8;
  box-shadow: 0 0 32px rgba(99, 102, 241, 0.5);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-hover);
}

.btn-outline:hover {
  border-color: var(--cyan);
  background: rgba(34, 211, 238, 0.06);
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1rem;
}

.btn-gradient-border {
  position: relative;
  background: var(--bg-secondary);
  color: #fff;
  border: none;
  z-index: 0;
}

.btn-gradient-border::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: var(--gradient);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  z-index: -1;
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  z-index: 100;
  transition: background 0.3s, border-color 0.3s, backdrop-filter 0.3s;
}

.site-header.scrolled {
  background: rgba(7, 11, 20, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
}

.logo img {
  height: 32px;
  width: auto;
}

/* Hero */
.hero {
  padding: calc(var(--header-h) + 64px) 0 80px;
  position: relative;
  z-index: 1;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 6px 16px;
  margin-bottom: 24px;
}

.hero-eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.25rem, 5.5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.hero-desc {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 480px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-bottom: 16px;
}

.hero-note {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.hero-visual {
  position: relative;
}

.hero-visual img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* Stats */
.stats {
  padding: 48px 0;
  position: relative;
  z-index: 1;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.stat-item {
  background: var(--bg-secondary);
  padding: 32px 24px;
  text-align: center;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.stat-footnote {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 12px;
}

/* Features */
.features {
  padding: var(--section-gap) 0;
  position: relative;
  z-index: 1;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: border-color 0.25s, transform 0.25s, background 0.25s;
}

.feature-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.06);
}

.feature-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* Steps */
.steps {
  padding: var(--section-gap) 0;
  position: relative;
  z-index: 1;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.steps-grid::before {
  content: '';
  position: absolute;
  top: 28px;
  left: 12.5%;
  right: 12.5%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-hover), transparent);
}

.step-item {
  text-align: center;
  position: relative;
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--bg-secondary);
  border: 1px solid var(--border-hover);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--cyan);
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.step-item h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.step-item p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Includes */
.includes {
  padding: var(--section-gap) 0;
  position: relative;
  z-index: 1;
}

.includes-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px;
}

.includes-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px 40px;
  margin-bottom: 24px;
}

.includes-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.includes-check {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(52, 211, 153, 0.12);
  color: var(--green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  margin-top: 1px;
}

.includes-note {
  font-size: 0.875rem;
  color: var(--text-muted);
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

/* Cases */
.cases {
  padding: var(--section-gap) 0;
  position: relative;
  z-index: 1;
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.case-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.25s, transform 0.25s;
}

.case-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
}

.case-img {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.case-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-body {
  padding: 24px;
}

.case-badge {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--cyan);
  background: rgba(34, 211, 238, 0.1);
  border-radius: var(--radius-pill);
  padding: 4px 10px;
  margin-bottom: 12px;
}

.case-body h3 {
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.case-result {
  font-size: 0.9375rem;
  color: var(--green);
  font-weight: 500;
  margin-bottom: 8px;
}

.case-platform {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.cases-footnote {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 24px;
}

/* FAQ */
.faq {
  padding: var(--section-gap) 0;
  position: relative;
  z-index: 1;
}

.faq-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: background 0.2s;
}

.faq-question:hover {
  background: rgba(255, 255, 255, 0.03);
}

.faq-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  position: relative;
  transition: transform 0.3s;
}

.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  background: var(--text-secondary);
  border-radius: 1px;
}

.faq-icon::before {
  width: 12px;
  height: 2px;
  top: 11px;
  left: 6px;
}

.faq-icon::after {
  width: 2px;
  height: 12px;
  top: 6px;
  left: 11px;
  transition: transform 0.3s, opacity 0.3s;
}

.faq-item.open .faq-icon::after {
  transform: rotate(90deg);
  opacity: 0;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq-item.open .faq-answer {
  max-height: 200px;
}

.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.faq-answer-inner a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* CTA */
.cta {
  padding: var(--section-gap) 0 64px;
  position: relative;
  z-index: 1;
}

.cta-box {
  position: relative;
  border-radius: var(--radius);
  padding: 64px 48px;
  text-align: center;
  background: var(--bg-secondary);
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: var(--gradient);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.cta-box h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 700;
  margin-bottom: 12px;
  position: relative;
}

.cta-box p {
  color: var(--text-secondary);
  font-size: 1.0625rem;
  margin-bottom: 32px;
  position: relative;
}

.cta-email {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.5vw, 1.375rem);
  color: var(--cyan);
  margin-bottom: 24px;
  position: relative;
  cursor: pointer;
  transition: color 0.2s;
}

.cta-email:hover {
  color: #67E8F9;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  position: relative;
}

/* Footer */
.site-footer {
  padding: 32px 0 48px;
  border-top: 1px solid var(--border);
  position: relative;
  z-index: 1;
}

.footer-inner {
  text-align: center;
}

.footer-copy {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.footer-legal {
  font-size: 0.75rem;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.6;
  opacity: 0.8;
}

/* Toast */
.copy-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--bg-secondary);
  border: 1px solid var(--border-hover);
  color: var(--text-primary);
  font-size: 0.875rem;
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  z-index: 200;
  opacity: 0;
  transition: transform 0.3s, opacity 0.3s;
  pointer-events: none;
}

.copy-toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* Responsive */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-visual {
    order: -1;
    max-width: 480px;
    margin: 0 auto;
  }

  .hero-desc {
    max-width: none;
  }

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

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

  .steps-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .steps-grid::before {
    display: none;
  }

  .step-item {
    display: flex;
    gap: 20px;
    text-align: left;
  }

  .step-num {
    margin-bottom: 0;
    flex-shrink: 0;
  }

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

  .includes-box {
    padding: 32px 24px;
  }

  .cases-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .cta-box {
    padding: 48px 24px;
  }
}

@media (max-width: 480px) {
  :root {
    --section-gap: 64px;
  }

  .container {
    padding: 0 16px;
  }

  .hero-cta .btn {
    width: 100%;
  }

  .stat-item {
    padding: 24px 16px;
  }
}