/* ============================================
   HEADER
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}

.site-header--scrolled {
  box-shadow: var(--shadow-elevated);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
}

.logo__text {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  color: var(--color-primary-dark);
  letter-spacing: -0.5px;
}

.logo__text--white {
  color: var(--color-white);
}

/* Navigation */
.main-nav__list {
  display: flex;
  align-items: center;
  gap: var(--sp-xl);
}

.main-nav__link {
  font-weight: 600;
  font-size: var(--fs-md);
  color: var(--color-text);
  transition: color var(--transition);
  position: relative;
}

.main-nav__link:hover,
.main-nav__link.active {
  color: var(--color-primary-dark);
}

.main-nav__link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-primary-dark);
  border-radius: 1px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--sp-xl);
}

.main-nav__cta {
  display: none;
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--sp-sm);
}

.nav-toggle__bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

/* Mobile nav */
@media (max-width: 767px) {
  .nav-toggle {
    display: flex;
    z-index: 101;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-elevated);
    padding: var(--sp-lg);
    flex-direction: column;
    align-items: stretch;
  }

  .main-nav.is-open {
    display: flex;
  }

  .main-nav__list {
    flex-direction: column;
    gap: 0;
  }

  .main-nav__link {
    display: block;
    padding: var(--sp-md) 0;
    border-bottom: 1px solid var(--color-border);
  }

  .main-nav__link.active::after {
    display: none;
  }

  .main-nav__cta {
    display: block;
    margin-top: var(--sp-md);
    text-align: center;
  }

  .nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
}

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

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-sm);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: var(--fs-md);
  transition: all var(--transition);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
}

.btn--primary {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
}

.btn--primary:hover {
  background-color: var(--color-primary-darker);
  box-shadow: var(--shadow-elevated);
  transform: translateY(-1px);
}

.btn--secondary {
  background-color: var(--color-white);
  color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

.btn--secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-text);
}

.btn--large {
  padding: 1rem 2rem;
  font-size: var(--fs-lg);
  border-radius: var(--radius-lg);
}

.btn--sm {
  padding: 0.5rem 1rem;
  font-size: var(--fs-sm);
}

.btn--white {
  background-color: var(--color-white);
  color: var(--color-primary-dark);
}

.btn--white:hover {
  background-color: var(--color-bg);
  transform: translateY(-1px);
}

/* ============================================
   CARDS
   ============================================ */
.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--sp-xl);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.card__icon {
  width: 56px;
  height: 56px;
  background: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--sp-lg);
  font-size: 1.5rem;
}

.card__title {
  font-size: var(--fs-lg);
  font-weight: 700;
  margin-bottom: var(--sp-sm);
}

.card__text {
  color: var(--color-text-light);
  line-height: 1.6;
}

/* ============================================
   APP STORE BADGES
   ============================================ */
.store-badges {
  display: flex;
  gap: var(--sp-md);
  flex-wrap: wrap;
}

.store-badges a {
  display: block;
  transition: transform var(--transition);
}

.store-badges a:hover {
  transform: scale(1.05);
}

.store-badges img {
  height: 48px;
  width: auto;
}

/* ============================================
   PHONE MOCKUP
   ============================================ */
.phone-mockup {
  position: relative;
  width: 260px;
  border-radius: 36px;
  overflow: hidden;
  box-shadow: var(--shadow-elevated);
  border: 8px solid #1a1a1a;
  background: #1a1a1a;
}

.phone-mockup::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 24px;
  background: #1a1a1a;
  border-radius: 0 0 16px 16px;
  z-index: 2;
}

.phone-mockup img {
  width: 100%;
  display: block;
  border-radius: 28px;
}

.phone-mockup--lg {
  width: 300px;
}

/* ============================================
   EMAIL SIGNUP
   ============================================ */
.email-signup {
  display: flex;
  gap: var(--sp-sm);
  max-width: 480px;
}

.email-signup input[type="email"] {
  flex: 1;
  padding: 0.75rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--fs-md);
  background: var(--color-white);
  transition: border-color var(--transition);
}

.email-signup input[type="email"]:focus {
  outline: none;
  border-color: var(--color-primary-dark);
}

.email-signup .btn {
  white-space: nowrap;
}

.email-signup__success {
  display: none;
  padding: var(--sp-md);
  background: var(--color-primary);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-weight: 600;
}

.email-signup__success.is-visible {
  display: block;
}

/* Compact version for footer */
.email-signup--compact {
  flex-direction: column;
  max-width: 300px;
}

.email-signup--compact input[type="email"] {
  width: 100%;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  padding: var(--sp-section) 0 var(--sp-xl);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-xxl);
  margin-bottom: var(--sp-xxl);
}

@media (min-width: 768px) {
  .footer__grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.footer__brand p {
  margin-top: var(--sp-sm);
  opacity: 0.85;
  max-width: 300px;
}

.footer__nav h4,
.footer__download h4 {
  font-size: var(--fs-md);
  font-weight: 700;
  margin-bottom: var(--sp-md);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  opacity: 0.7;
}

.footer__nav ul {
  display: flex;
  flex-direction: column;
  gap: var(--sp-sm);
}

.footer__nav a {
  opacity: 0.85;
  transition: opacity var(--transition);
}

.footer__nav a:hover {
  opacity: 1;
}

.footer__download .store-badges {
  margin-bottom: var(--sp-lg);
}

.footer__download .store-badges img {
  height: 40px;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: var(--sp-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--sp-md);
  font-size: var(--fs-sm);
  opacity: 0.7;
}

.footer__legal {
  display: flex;
  gap: var(--sp-lg);
}

.footer__legal a:hover {
  text-decoration: underline;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
  text-align: center;
}

.cta-section h2 {
  margin-bottom: var(--sp-md);
}

.cta-section p {
  font-size: var(--fs-lg);
  opacity: 0.9;
  margin-bottom: var(--sp-xl);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.cta-section .store-badges {
  justify-content: center;
  margin-bottom: var(--sp-xl);
}

.cta-section .email-signup {
  margin: 0 auto;
}

/* ============================================
   PAGE HERO (inner pages)
   ============================================ */
.page-hero {
  padding: var(--sp-xxl) 0 var(--sp-section);
  text-align: center;
  background: var(--color-bg);
}

.page-hero h1 {
  margin-bottom: var(--sp-md);
}

.page-hero p {
  font-size: var(--fs-lg);
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto;
}