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

:root {
  --black: #000000;
  --white: #ffffff;
  --grey: #6b6b6b;
  --grey-light: #eeeeee;
  --purple: #6c2bff;
  --bg-soft: #f6f6f6;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', Roboto, sans-serif;
  background: var(--white);
  color: var(--black);
  -webkit-font-smoothing: antialiased;
  font-weight: 400;
}

/* ==================== NAV ==================== */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0 24px;
  background: #ffffff;
  border-bottom: 1px solid var(--grey-light);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 64px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -1.2px;
  color: var(--black);
}

.logo-icon {
  width: 26px;
  height: 26px;
  border-radius: 7px;
  object-fit: cover;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--black);
  text-decoration: none;
  transition: opacity 0.15s;
}

.nav-link:hover {
  opacity: 0.6;
}

.nav-btn {
  padding: 10px 20px;
  background: var(--black);
  color: var(--white);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: opacity 0.15s;
}

.nav-btn:hover {
  opacity: 0.85;
}

/* ==================== HERO ==================== */
.hero {
  background: #ffffff;
  padding: 60px 24px;
}

.hero-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-left h1 {
  font-size: 68px;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -3px;
  color: var(--black);
  margin-bottom: 24px;
}

.hero-sub {
  font-size: 20px;
  font-weight: 400;
  line-height: 1.5;
  color: var(--grey);
  margin-bottom: 40px;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.hero-right {
  border-radius: 20px;
  overflow: hidden;
  aspect-ratio: 4 / 5;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.btn-black {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 24px;
  background: var(--black);
  color: var(--white);
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  transition: opacity 0.15s, transform 0.15s;
  border: none;
  cursor: pointer;
}

.btn-black:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}

.btn-black.large {
  padding: 20px 32px;
  font-size: 17px;
}

.btn-icon {
  width: 20px;
  height: 20px;
  border-radius: 5px;
  object-fit: cover;
}

.playstore-note {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--grey);
}

.playstore-note.center {
  display: flex;
  justify-content: center;
  margin-top: 20px;
}

.playstore-note svg {
  color: var(--purple);
}

/* ==================== FEATURES ==================== */
.features {
  padding: 100px 24px;
  background: #ffffff;
  border-top: 1px solid var(--grey-light);
}

.features-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 60px;
}

.feature-icon {
  width: 56px;
  height: 56px;
  color: var(--black);
  margin-bottom: 24px;
}

.feature-icon svg {
  width: 100%;
  height: 100%;
}

.feature h3 {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.8px;
  color: var(--black);
  margin-bottom: 12px;
}

.feature p {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.55;
  color: var(--grey);
}

/* ==================== PARTNER SECTIONS ==================== */
.partner {
  background: #ffffff;
  padding: 100px 24px;
  border-top: 1px solid var(--grey-light);
}

.partner.alt {
  background: var(--bg-soft);
}

.partner-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.partner-grid.reverse {
  direction: rtl;
}

.partner-grid.reverse > * {
  direction: ltr;
}

.partner-image-wrap {
  border-radius: 20px;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.partner-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.partner-eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--purple);
  margin-bottom: 16px;
}

.partner-content h2 {
  font-size: 44px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -2px;
  color: var(--black);
  margin-bottom: 20px;
}

.partner-content > p {
  font-size: 17px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--grey);
  margin-bottom: 24px;
}

.partner-list {
  list-style: none;
  margin-bottom: 32px;
}

.partner-list li {
  font-size: 15px;
  font-weight: 500;
  color: var(--black);
  padding: 8px 0 8px 28px;
  position: relative;
  line-height: 1.5;
}

.partner-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 15px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--purple);
}

.partner-list li::after {
  content: '';
  position: absolute;
  left: 4px;
  top: 19px;
  width: 6px;
  height: 3px;
  border-left: 2px solid #ffffff;
  border-bottom: 2px solid #ffffff;
  transform: rotate(-45deg);
}

/* ==================== HOW IT WORKS ==================== */
.how {
  padding: 100px 24px;
  background: #ffffff;
  border-top: 1px solid var(--grey-light);
}

.how-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.how-eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--purple);
  margin-bottom: 16px;
}

.section-heading {
  font-size: 44px;
  font-weight: 700;
  letter-spacing: -1.8px;
  color: var(--black);
  margin-bottom: 60px;
  max-width: 640px;
  line-height: 1.1;
}

.how-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 60px;
}

.how-step {
  padding-top: 30px;
  border-top: 2px solid var(--black);
}

.how-number {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--grey);
  margin-bottom: 20px;
}

.how-step h3 {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -1px;
  color: var(--black);
  margin-bottom: 12px;
}

.how-step p {
  font-size: 15px;
  font-weight: 400;
  line-height: 1.55;
  color: var(--grey);
}

/* ==================== CTA ==================== */
.cta {
  padding: 120px 24px;
  background: var(--black);
  text-align: center;
}

.cta-inner {
  max-width: 640px;
  margin: 0 auto;
}

.cta h2 {
  font-size: 48px;
  font-weight: 700;
  letter-spacing: -2px;
  color: #ffffff;
  margin-bottom: 16px;
}

.cta p {
  font-size: 17px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 40px;
  line-height: 1.55;
}

.cta .btn-black {
  background: var(--purple);
}

.cta .playstore-note {
  color: rgba(255, 255, 255, 0.6);
}

.cta .playstore-note svg {
  color: #a78bfa;
}

/* ==================== FOOTER ==================== */
.footer {
  background: #000000;
  color: #ffffff;
  padding: 40px 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

.footer .logo {
  color: #ffffff;
}

.footer-links {
  display: flex;
  gap: 32px;
}

.footer-links a {
  font-size: 14px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 0.15s;
}

.footer-links a:hover {
  color: #ffffff;
}

.footer-copy {
  font-size: 13px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.5);
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 900px) {
  .nav-link { display: none; }

  .hero {
    padding: 40px 20px;
  }

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

  .hero-left h1 {
    font-size: 44px;
    letter-spacing: -1.8px;
  }

  .hero-sub {
    font-size: 17px;
  }

  .hero-right {
    order: -1;
    aspect-ratio: 1;
  }

  .features {
    padding: 60px 20px;
  }

  .features-inner,
  .how-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .feature h3 { font-size: 20px; }

  .partner {
    padding: 60px 20px;
  }

  .partner-grid,
  .partner-grid.reverse {
    grid-template-columns: 1fr;
    direction: ltr;
    gap: 32px;
  }

  .partner-content h2 {
    font-size: 32px;
    letter-spacing: -1.2px;
  }

  .partner-image-wrap {
    aspect-ratio: 4 / 3;
  }

  .how {
    padding: 60px 20px;
  }

  .section-heading {
    font-size: 32px;
    letter-spacing: -1.2px;
    margin-bottom: 40px;
  }

  .cta {
    padding: 80px 20px;
  }

  .cta h2 {
    font-size: 32px;
    letter-spacing: -1.2px;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .footer-links {
    justify-content: center;
    gap: 20px;
  }
}