/* ============================================================
   CONTAINER
   ============================================================ */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-3);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-6);
  }
}

/* ============================================================
   NAV
   ============================================================ */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: background var(--transition), box-shadow var(--transition);
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.08);
}

.nav__inner {
  display: flex;
  align-items: center;
  height: 72px;
  gap: var(--space-4);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex-shrink: 0;
}

.nav__links {
  display: none;
  gap: var(--space-4);
  margin: 0 auto;
}

.nav__actions {
  display: none;
  align-items: center;
  gap: var(--space-2);
  margin-left: auto;
}

.nav__toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  margin-left: auto;
  padding: 4px;
}

.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
  transform-origin: center;
}

.site-header.is-scrolled .nav__toggle span {
  background: var(--color-text);
}

.nav__toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.nav__toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile menu */
.nav__mobile {
  display: none;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-3) var(--space-4);
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.nav__mobile.is-open {
  display: flex;
}

.nav__mobile ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.nav__mobile ul a {
  display: block;
  padding: var(--space-1) var(--space-2);
  font-weight: 500;
  font-size: var(--text-base);
  color: var(--color-text);
  border-radius: var(--radius-xs);
  transition: background var(--transition);
}

.nav__mobile ul a:hover {
  background: var(--color-bg);
}

@media (min-width: 768px) {
  .nav__links {
    display: flex;
  }

  .nav__actions {
    display: flex;
  }

  .nav__toggle {
    display: none;
  }
}

/* ============================================================
   HERO
   ============================================================ */

.hero {
  background: var(--gradient-dark);
  padding: calc(72px + var(--space-12)) 0 var(--space-16);
  overflow: hidden;
  position: relative;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: center;
}

.hero__content {
  max-width: 600px;
  min-width: 0;
  overflow-wrap: break-word;
}

.hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  min-width: 0;
}

@media (min-width: 1024px) {
  .hero__inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
  }

  .hero {
    padding: calc(72px + var(--space-16)) 0 var(--space-16);
  }
}

/* ============================================================
   SOCIAL PROOF
   ============================================================ */

.proof {
  background: var(--color-white);
  padding: var(--space-8) 0;
  border-bottom: 1px solid var(--color-border);
}

.proof .container {
  text-align: center;
}

.proof__label-top {
  font-size: var(--text-sm);
  color: var(--color-muted);
  font-weight: 500;
  margin-bottom: var(--space-4);
  letter-spacing: 0.5px;
}

.proof__stats {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.proof__divider {
  width: 1px;
  height: 40px;
  background: var(--color-border);
  display: none;
}

@media (min-width: 600px) {
  .proof__divider {
    display: block;
  }
}

/* ============================================================
   PROBLEM
   ============================================================ */

.problem {
  background: var(--color-problem-bg);
  padding: var(--space-16) 0;
}

.problem__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

@media (min-width: 640px) {
  .problem__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .problem__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ============================================================
   SOLUTION
   ============================================================ */

.solution {
  background: var(--color-bg);
  padding: var(--space-16) 0;
  text-align: center;
}

.solution__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
}

/* ============================================================
   FEATURES
   ============================================================ */

.features {
  background: var(--color-white);
  padding: var(--space-16) 0;
}

.features__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

@media (min-width: 640px) {
  .features__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .features__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ============================================================
   HOW IT WORKS
   ============================================================ */

.how {
  background: var(--color-bg);
  padding: var(--space-16) 0;
}

.how__steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

@media (min-width: 768px) {
  .how__steps {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
    position: relative;
  }

  .how__steps::before {
    content: '';
    position: absolute;
    top: 28px;
    left: calc(16.66% + 20px);
    right: calc(16.66% + 20px);
    height: 1px;
    background: var(--color-border);
    z-index: 0;
  }
}

.how__cta {
  text-align: center;
}

/* ============================================================
   SCREENSHOTS
   ============================================================ */

.screenshots {
  background: var(--gradient-dark);
  padding: var(--space-16) 0;
  overflow: hidden;
}

.screenshots__showcase {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: var(--space-4);
  margin-top: var(--space-8);
  padding-bottom: var(--space-4);
  overflow-x: auto;
  padding-left: var(--space-3);
  padding-right: var(--space-3);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.screenshots__showcase::-webkit-scrollbar {
  display: none;
}

/* ============================================================
   PRICING
   ============================================================ */

.pricing {
  background: var(--color-white);
  padding: var(--space-16) 0;
}

.pricing__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

@media (min-width: 640px) {
  .pricing__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .pricing__grid {
    grid-template-columns: repeat(3, 1fr);
    align-items: start;
  }
}

/* ============================================================
   FAQ
   ============================================================ */

.faq {
  background: var(--color-bg);
  padding: var(--space-16) 0;
}

.faq__list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

/* ============================================================
   CTA FINAL
   ============================================================ */

.cta-final {
  background: var(--gradient-dark);
  padding: var(--space-16) 0;
  text-align: center;
}

/* ============================================================
   FOOTER
   ============================================================ */

.footer {
  background: #111111;
  padding: var(--space-12) 0 var(--space-6);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

@media (min-width: 640px) {
  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer__grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-8);
  }
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: var(--space-4);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
}