/* ============================================
   CLF - Landing Page Section Styles
   ============================================ */

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height-mobile);
  z-index: 1000;
  transition: background-color var(--transition-normal), box-shadow var(--transition-normal);
}

@media (min-width: 1024px) {
  .nav {
    height: var(--nav-height);
  }
}

.nav--scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 1px 0 var(--color-border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}

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

.nav__logo {
  height: 44px;
  width: auto;
  flex-shrink: 0;
}

@media (min-width: 1024px) {
  .nav__logo {
    height: 56px;
  }
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.nav__brand-name {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 600;
  color: var(--color-text-dark);
  white-space: nowrap;
  position: relative;
  top: 4px;
}

.nav:not(.nav--scrolled) .nav__brand-name {
  color: rgba(255,255,255,0.95);
}

@media (max-width: 767px) {
  .nav__brand-name {
    font-size: 14px;
  }
}

.nav__links {
  display: none;
  gap: var(--space-lg);
  align-items: center;
}

@media (min-width: 1024px) {
  .nav__links {
    display: flex;
  }
}

.nav__link {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-dark);
  transition: color var(--transition-fast);
  letter-spacing: 0.2px;
}

.nav--scrolled .nav__link {
  color: var(--color-text-dark);
}

/* Hero transparent state: white text */
.nav:not(.nav--scrolled) .nav__link {
  color: rgba(255,255,255,0.9);
}
.nav:not(.nav--scrolled) .nav__link:hover {
  color: #FFFFFF;
}

.nav__link:hover {
  color: var(--color-primary);
}

.nav__cta {
  display: none;
}

@media (min-width: 1024px) {
  .nav__cta {
    display: inline-flex;
  }
}

/* Hamburger */
.nav__hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}

@media (min-width: 1024px) {
  .nav__hamburger {
    display: none;
  }
}

.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-text-dark);
  transition: all 0.2s ease;
}

.nav:not(.nav--scrolled) .nav__hamburger span {
  background-color: #FFFFFF;
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 280px;
  height: 100vh;
  background-color: var(--color-bg-white);
  z-index: 1001;
  padding: var(--space-xl) var(--space-md);
  transition: right var(--transition-normal);
  box-shadow: var(--shadow-lg);
}

.mobile-menu.open {
  right: 0;
}

.mobile-menu__close {
  position: absolute;
  top: 16px;
  right: 16px;
  font-size: 28px;
  color: var(--color-text-secondary);
  cursor: pointer;
  padding: 8px;
}

.mobile-menu__links {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: var(--space-lg);
}

.mobile-menu__link {
  display: block;
  padding: 18px 0;
  font-size: 18px;
  font-weight: 500;
  color: var(--color-text-dark);
  border-bottom: 1px solid var(--color-border);
}

.mobile-menu__cta {
  margin-top: var(--space-lg);
}

.mobile-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0,0,0,0.5);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.mobile-overlay.open {
  opacity: 1;
  visibility: visible;
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  text-align: center;
  padding: calc(var(--space-4xl) + 48px) 0 var(--space-xl);
  background-image:
    linear-gradient(180deg,
      rgba(15,15,30,0.82) 0%,
      rgba(15,15,30,0.45) 40%,
      rgba(15,15,30,0.25) 60%,
      rgba(15,15,30,0.55) 100%),
    url('../assets/hero-forbidden-city.png');
  background-size: cover;
  background-position: center top;
  background-repeat: no-repeat;
  background-color: #0f0f1e;
}

.hero__content {
  max-width: 860px;
  padding: 0 var(--space-md);
}

.hero__title {
  color: #FFFFFF;
  margin-bottom: 16px;
  font-size: 38px;
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1.15;
  text-shadow: 0 2px 12px rgba(0,0,0,0.3);
}

@media (min-width: 768px) {
  .hero__title { font-size: 54px; letter-spacing: -1px; }
}

@media (min-width: 1024px) {
  .hero__title { font-size: 64px; line-height: 1.08; }
}

.hero__subtitle {
  font-size: 18px;
  color: rgba(255,255,255,0.95);
  max-width: 560px;
  margin: 0 auto 16px;
  line-height: 1.7;
  text-shadow: 0 2px 8px rgba(0,0,0,0.5);
}

@media (min-width: 768px) {
  .hero__subtitle { font-size: 22px; }
}

.hero__note {
  font-size: 16px;
  color: #fff;
  margin-bottom: 28px;
  line-height: 1.5;
  text-shadow: 0 2px 10px rgba(0,0,0,0.6);
}

@media (min-width: 768px) {
  .hero__note { font-size: 18px; }
}

.hero__path-prompt {
  font-size: 17px;
  font-weight: 600;
  color: rgba(255,255,255,0.95);
  margin-bottom: 20px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.5);
}

.hero-paths {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
}

@media (min-width: 640px) {
  .hero-paths {
    flex-direction: row;
    justify-content: center;
    align-items: stretch;
    gap: 20px;
  }
}

/* White cards, centered */
.hero-path {
  background: rgba(255,255,255,0.95);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 16px;
  padding: 24px 22px;
  text-align: center;
  flex: 1;
  max-width: 300px;
  width: 100%;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
}

.hero-path:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.2);
}

.hero-path__emoji { font-size: 32px; margin-bottom: 12px; }

.hero-path__label {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text-dark);
  margin-bottom: 8px;
}
.hero-path__desc {
  font-size: 14px;
  color: var(--color-text-body);
  line-height: 1.55;
  margin-bottom: 16px;
  flex: 1;
}
.hero-path__bottom {
  margin-top: auto;
}
.hero-path__price {
  font-family: var(--font-heading);
  font-size: 30px;
  font-weight: 700;
  color: var(--color-text-dark);
  margin-bottom: 12px;
}
.hero-path .btn {
  width: 100%;
}
.hero-path__price-note {
  font-size: 14px;
  font-weight: 400;
  color: var(--color-text-secondary);
}
.hero-path__note {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 8px;
}

.hero__chat-link {
  margin-top: 28px;
  font-size: 14px;
  color: rgba(255,255,255,0.8);
  text-shadow: 0 1px 4px rgba(0,0,0,0.4);
}
.hero__chat-link a {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.hero__chat-link a:hover {
  color: #fff;
}

.hero__scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.5);
  z-index: 2;
  font-size: 24px;
  animation: bounce 2s infinite;
}

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

/* --- Pain Points Section --- */
.pain-points {
  background-color: var(--color-primary-light);
}

.pain-points__transition {
  text-align: center;
  font-size: 18px;
  color: var(--color-text-secondary);
  font-style: italic;
  margin-top: var(--space-xl);
  line-height: 1.6;
}

@media (min-width: 768px) {
  .pain-points__transition {
    font-size: 20px;
  }
}

/* --- Solution Section --- */
.solution__flow {
  margin-top: var(--space-xl);
}

.solution__flow-note {
  text-align: center;
  font-size: 18px;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-top: var(--space-lg);
}

/* --- Solution Intro --- */
.solution__intro {
  max-width: 600px;
  margin: 0 auto var(--space-xl);
  text-align: center;
}
.solution__intro p {
  font-size: 17px;
  color: var(--color-text-body);
  line-height: 1.7;
  margin-bottom: var(--space-sm);
}
.solution__intro p:last-child {
  margin-bottom: 0;
}

/* --- Pricing Section --- */
.pricing__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  max-width: 840px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .pricing__cards {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
  }
}

/* --- How It Works --- */
.how-it-works__note {
  text-align: center;
  font-size: 18px;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-top: var(--space-lg);
}

/* --- Use Cases --- */
.use-cases__group-title {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text-dark);
  margin-bottom: var(--space-md);
  margin-top: var(--space-xl);
}
.use-cases__group-title:first-of-type {
  margin-top: 0;
}
.use-cases__tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 4px 12px;
  border-radius: 20px;
  vertical-align: middle;
  margin-left: 8px;
}
.use-cases__grid--2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  max-width: 960px;
  margin: 0 auto;
}
@media (min-width: 768px) {
  .use-cases__grid--2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* --- Social Proof --- */
.testimonials__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

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

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

/* --- Final CTA --- */
.final-cta {
  background: linear-gradient(135deg, #FF6B54 0%, #FF8A75 100%);
  text-align: center;
}

.final-cta__title {
  color: #FFFFFF;
  margin-bottom: var(--space-sm);
}

.final-cta__subtitle {
  font-size: 17px;
  color: rgba(255,255,255,0.9);
  max-width: 600px;
  margin: 0 auto var(--space-lg);
  line-height: 1.7;
}

@media (min-width: 768px) {
  .final-cta__subtitle {
    font-size: 18px;
  }
}

.final-cta .trust-bar {
  margin-top: var(--space-md);
  color: rgba(255,255,255,0.7);
}

.final-cta .trust-bar__divider {
  color: rgba(255,255,255,0.3);
}

.final-cta__chat {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  margin-top: var(--space-sm);
}

/* --- Newsletter --- */
.newsletter {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
}
.newsletter__title {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 700;
  color: var(--color-text-dark);
  margin-bottom: var(--space-sm);
}
.newsletter__desc {
  font-size: 16px;
  color: var(--color-text-body);
  line-height: 1.6;
  margin-bottom: var(--space-lg);
}
.newsletter__form-wrap {
  margin-bottom: var(--space-sm);
}
.newsletter__form {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 440px;
  margin: 0 auto;
}
@media (min-width: 480px) {
  .newsletter__form {
    flex-direction: row;
  }
}
.newsletter__input {
  flex: 1;
  height: 48px;
  padding: 0 16px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 16px;
  font-family: var(--font-body);
  color: var(--color-text-dark);
  background: var(--color-bg-white);
  transition: border-color var(--transition-fast);
}
.newsletter__input:focus {
  outline: none;
  border-color: var(--color-cta);
}
.newsletter__input::placeholder {
  color: var(--color-text-muted);
}
.newsletter__btn {
  white-space: nowrap;
  height: 48px;
  padding: 0 24px;
}
.newsletter__privacy {
  font-size: 14px;
  color: var(--color-text-muted);
}

/* --- Language Switcher --- */
.lang-switch {
  position: relative;
}
.lang-switch__btn {
  background: none;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
  cursor: pointer;
  font-family: var(--font-body);
  transition: all 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.nav--scrolled .lang-switch__btn {
  border-color: var(--color-border);
  color: var(--color-text-body);
}
.lang-switch__btn:hover {
  border-color: var(--color-cta);
}
.lang-switch__dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  min-width: 160px;
  z-index: 100;
  overflow: hidden;
}
.lang-switch__dropdown.open {
  display: block;
}
.lang-switch__option {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  font-size: 14px;
  color: var(--color-text-body);
  transition: background 0.1s;
  text-decoration: none;
}
.lang-switch__option:hover {
  background: var(--color-bg-light);
}
.lang-switch__option--active {
  font-weight: 600;
  color: var(--color-cta);
}

/* --- Footer --- */
.footer {
  background-color: var(--color-bg-dark);
  padding: var(--space-xl) 0 var(--space-md);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  text-align: center;
  margin-bottom: var(--space-lg);
}

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

.footer__brand-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: var(--space-sm);
}

@media (max-width: 767px) {
  .footer__brand-row {
    justify-content: center;
  }
}

.footer__brand-logo {
  height: 36px;
  width: auto;
}

.footer__brand-name {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
}

.footer__tagline {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  line-height: 1.5;
}

.footer__col-title {
  font-size: 14px;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
  margin-bottom: var(--space-sm);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__link {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: #FFFFFF;
}

.footer__divider {
  border: none;
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-bottom: var(--space-md);
}

.footer__legal {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-bottom: var(--space-sm);
}

@media (min-width: 768px) {
  .footer__legal {
    flex-direction: row;
    justify-content: center;
    gap: var(--space-md);
  }
}

.footer__legal-link {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  transition: color var(--transition-fast);
}

.footer__legal-link:hover {
  color: rgba(255,255,255,0.8);
}

.footer__copyright {
  text-align: center;
  font-size: 14px;
  color: rgba(255,255,255,0.4);
}