/* ==========================================================================
   Aptum One - Main Stylesheet
   ========================================================================== */

/* --- Custom Properties (Variables) --- */
:root {
  --burgundy: #5E1D1D;
  --burgundy-dark: #4A1616;
  --burgundy-light: #7A2E2E;
  --burgundy-rgb: 94, 29, 29;
  --beige: #E7D3AC;
  --beige-light: #F5EDE0;
  --celeste: #8FC4DE;
  --celeste-light: #B8DCF0;
  --cream: #FDF8F0;
  --white: #FFFFFF;
  /* Semánticos alineados con la app (globals.css): success / destructive */
  --success: #1D6B4F;
  --success-light: #E6F0EB;
  --error: #C25A1F;
  --error-light: #FBEDE4;
  --text-dark: #221715;
  --text-medium: #5C4A3D;
  --text-light: #78685F;
  --border: #E7DFD2;
  --font-sans: 'Geist', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Source Serif 4', Georgia, 'Times New Roman', serif;
  --shadow-sm: 0 2px 8px rgba(94, 29, 29, 0.06);
  --shadow-md: 0 4px 16px rgba(94, 29, 29, 0.08);
  --shadow-lg: 0 8px 32px rgba(94, 29, 29, 0.12);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Global & Reset --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  color: var(--text-dark);
  background-color: var(--white);
  line-height: 1.6;
}

button {
  font-family: inherit;
}

/* Títulos editoriales, igual que la app (font-heading = Source Serif 4) */
.section-title,
.hero__title,
.cta-section__title {
  font-family: var(--font-heading);
  letter-spacing: -0.01em;
}

body.menu-open {
  overflow: hidden;
}

/* --- Accessibility / Focus --- */
:focus-visible {
  outline: 2px solid var(--burgundy);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--burgundy);
  color: var(--white);
  padding: 8px;
  z-index: 10000;
  transition: top 0.2s;
  text-decoration: none;
}

.skip-link:focus {
  top: 0;
}

/* --- Layout Components --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

@media (min-width: 1024px) {
  .container {
    padding: 0 40px;
  }
}

.section-label {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--burgundy);
  margin-bottom: 12px;
  display: block;
}

.section-title {
  font-size: 2rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 16px;
  line-height: 1.2;
}

@media (min-width: 1024px) {
  .section-title {
    font-size: 2.5rem;
  }
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-medium);
  max-width: 600px;
}

/* --- Navbar --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 72px;
  z-index: 1000;
  background-color: transparent;
  transition: var(--transition);
}

.navbar.scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}

.navbar__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

.navbar__logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  padding: 5px;
  border-radius: var(--radius-sm);
  background-color: transparent;
  text-decoration: none;
  transition: var(--transition);
}

.navbar__logo-img {
  display: block;
  height: 32px;
  width: auto;
  border-radius: 6px;
}

@media (min-width: 1024px) {
  .navbar__logo-img {
    height: 36px;
  }
}

/* Sobre el video: tarjeta clara, como AptumLogo variant="inverted" en la app */
.navbar:not(.scrolled) .navbar__logo {
  background-color: var(--white);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

.navbar__links {
  display: none;
}

@media (min-width: 1024px) {
  .navbar__links {
    display: flex;
    gap: 32px;
  }
}

.navbar__links a {
  color: var(--text-medium);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition);
}

.navbar:not(.scrolled) .navbar__links a {
  color: var(--white);
}

.navbar__links a:hover {
  color: var(--burgundy);
}

.navbar:not(.scrolled) .navbar__links a:hover {
  color: var(--beige);
}

.navbar:not(.scrolled) .btn--outline {
  color: var(--white);
  border-color: var(--white);
}

.navbar:not(.scrolled) .btn--outline:hover {
  background-color: var(--white);
  color: var(--burgundy);
}

.navbar__buttons {
  display: none;
}

@media (min-width: 1024px) {
  .navbar__buttons {
    display: flex;
    gap: 12px;
  }
}

.mobile-menu-btn {
  display: block;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--burgundy);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.navbar:not(.scrolled) .mobile-menu-btn {
  color: var(--white);
}

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

.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: 80%;
  max-width: 320px;
  height: 100vh;
  height: 100dvh;
  background-color: var(--white);
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1001;
  box-shadow: var(--shadow-lg);
  padding: 24px;
  overflow-y: auto;
}

.mobile-menu.is-open {
  transform: translateX(0);
}

.mobile-menu__overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.mobile-menu__overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu__close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--burgundy);
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-menu__links {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 48px;
}

.mobile-menu__links a {
  padding: 16px 0;
  border-bottom: 1px solid var(--beige-light);
  font-size: 1rem;
  color: var(--text-dark);
  text-decoration: none;
  font-weight: 500;
}

.mobile-menu__buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 24px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  line-height: 1;
}

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

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

.btn--outline {
  background-color: transparent;
  color: var(--burgundy);
  border-color: var(--burgundy);
}

.btn--outline:hover {
  background-color: var(--burgundy);
  color: var(--white);
}

.btn--white {
  background-color: var(--white);
  color: var(--burgundy);
  border-color: var(--white);
}

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

.btn--white-outline {
  background-color: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn--white-outline:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: var(--white);
}

.btn--sm {
  padding: 10px 20px;
  font-size: 0.85rem;
}

.btn--icon {
  padding: 10px;
  width: 44px;
  height: 44px;
}

/* --- Hero --- */
.hero {
  position: relative;
  padding: 120px 0 80px;
  min-height: 85vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

@media (min-width: 1024px) {
  .hero {
    padding: 140px 0 100px;
  }
}

.hero__video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.hero__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(45, 24, 16, 0.7);
  z-index: 1;
}

.hero__inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 60px;
  width: 100%;
}

@media (min-width: 1024px) {
  .hero__inner {
    display: block;
  }
}

.hero__content {
  max-width: 650px;
}

.hero__badge {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--beige);
  background-color: rgba(255, 255, 255, 0.15);
  padding: 6px 12px;
  border-radius: 20px;
  margin-bottom: 12px;
  display: inline-block;
  backdrop-filter: blur(4px);
}

@media (max-width: 479px) {
  .hero__badge {
    font-size: 0.68rem;
    letter-spacing: 1px;
  }
}

.hero__title {
  font-size: clamp(2rem, 7vw, 2.5rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 20px;
}

@media (min-width: 1024px) {
  .hero__title {
    font-size: 3.5rem;
  }
}

.hero__subtitle {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 32px;
  line-height: 1.7;
}

.hero__buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

@media (max-width: 479px) {
  .hero__buttons .btn,
  .cta-section__buttons .btn {
    flex: 1 1 100%;
  }
}

.hero__trust {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 40px;
}

@media (min-width: 1024px) {
  .hero__trust {
    flex-direction: row;
    gap: 24px;
  }
}

.hero__trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.8);
}

.hero__trust-icon {
  width: 20px;
  height: 20px;
  color: var(--beige);
  flex-shrink: 0;
}

.hero__mockups {
  position: relative;
}

.mockup-laptop {
  background-color: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  position: relative;
  border: 1px solid var(--beige-light);
}

.mockup-laptop__header {
  height: 32px;
  background-color: var(--burgundy);
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 6px;
}

.mockup-laptop__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.3);
}

.mockup-laptop__content {
  padding: 20px;
  display: flex;
  background-color: var(--white);
  min-height: 300px;
}

.mockup-phone {
  position: absolute;
  right: 0;
  bottom: -20px;
  width: 200px;
  background-color: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 2px solid var(--beige);
  overflow: hidden;
  z-index: 2;
}

@media (min-width: 1024px) {
  .mockup-phone {
    right: -20px;
  }
}

.mockup-phone__header {
  height: 24px;
  background-color: var(--burgundy);
}

.mockup-phone__content {
  padding: 12px;
  background-color: var(--white);
  min-height: 250px;
}

/* --- Mockup Internal Styles --- */
.mock-sidebar {
  width: 180px;
  background-color: var(--cream);
  padding: 16px;
  border-right: 1px solid var(--beige);
  display: none;
}

@media (min-width: 768px) {
  .mock-sidebar {
    display: block;
  }
}

.mock-nav-item {
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 0.7rem;
  color: var(--text-medium);
  margin-bottom: 4px;
  cursor: default;
}

.mock-nav-item.active {
  background-color: var(--burgundy);
  color: var(--white);
}

.mock-main {
  flex: 1;
  padding: 16px;
}

.mock-greeting {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-dark);
}

.mock-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-bottom: 16px;
}

@media (min-width: 768px) {
  .mock-stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

.mock-stat {
  text-align: center;
  padding: 8px;
  background-color: var(--cream);
  border-radius: 8px;
}

.mock-stat__number {
  font-size: 1rem;
  font-weight: 700;
  color: var(--burgundy);
}

.mock-stat__label {
  font-size: 0.55rem;
  color: var(--text-light);
  text-transform: uppercase;
}

.mock-pack-card {
  background-color: var(--cream);
  border-radius: 8px;
  padding: 10px;
  margin-bottom: 8px;
}

.mock-pack-card__title {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-dark);
}

.mock-pack-card__meta {
  font-size: 0.55rem;
  color: var(--text-light);
  margin-top: 4px;
}

.mock-question {
  padding: 8px;
}

.mock-question__category {
  font-size: 0.6rem;
  color: var(--burgundy);
  font-weight: 600;
  margin-bottom: 4px;
  text-transform: uppercase;
}

.mock-question__text {
  font-size: 0.65rem;
  margin-bottom: 8px;
  line-height: 1.4;
  color: var(--text-dark);
}

.mock-option {
  padding: 6px 8px;
  border: 1px solid var(--beige);
  border-radius: 6px;
  margin-bottom: 4px;
  font-size: 0.6rem;
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-medium);
}

.mock-option.correct {
  border-color: var(--success);
  background-color: var(--success-light);
  color: var(--text-dark);
}

.mock-radio {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid var(--text-light);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mock-radio.filled {
  border-color: var(--success);
  background-color: var(--success);
  position: relative;
}

.mock-radio.filled::after {
  content: '';
  width: 4px;
  height: 4px;
  background-color: var(--white);
  border-radius: 50%;
}

.mock-correct-badge {
  color: var(--success);
  font-size: 0.6rem;
  font-weight: 600;
  margin-top: 6px;
  display: block;
}

.mock-explanation {
  background-color: var(--cream);
  padding: 6px 8px;
  border-radius: 6px;
  font-size: 0.55rem;
  color: var(--text-medium);
  margin-top: 6px;
}

/* --- Features --- */
.features {
  padding: 80px 0;
  background-color: var(--white);
}

@media (min-width: 1024px) {
  .features {
    padding: 100px 0;
  }
}

.features__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 40px;
}

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

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

.feature-card {
  background-color: var(--white);
  padding: 32px 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  text-align: center;
  transition: var(--transition);
  box-shadow: var(--shadow-md);
}

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

.feature-card__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  background-color: var(--cream);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-card__icon svg {
  width: 28px;
  height: 28px;
  color: var(--burgundy);
}

.feature-card__title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-dark);
}

.feature-card__text {
  font-size: 0.9rem;
  color: var(--text-medium);
  line-height: 1.6;
}

/* --- How it Works (.steps) --- */
.steps {
  padding: 80px 0;
  background-color: var(--cream);
}

@media (min-width: 1024px) {
  .steps {
    padding: 100px 0;
  }
}

.steps__container {
  display: flex;
  flex-direction: column;
  gap: 32px;
  margin-top: 40px;
  border-left: 2px solid var(--beige);
  margin-left: 24px;
}

@media (min-width: 1024px) {
  .steps__container {
    flex-direction: row;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
    border-left: none;
    margin-left: 0;
    padding-left: 0;
  }
}

.step {
  position: relative;
  padding-left: 40px;
  min-height: 48px;
}

@media (min-width: 1024px) {
  .step {
    flex: 1;
    text-align: center;
    padding: 0 20px;
  }
}

.step__number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--burgundy);
  color: var(--white);
  font-weight: 700;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  left: -25px; /* centrado sobre la línea de 2px */
  top: 0;
}

@media (min-width: 1024px) {
  .step__number {
    position: static;
    margin: 0 auto 12px;
  }
}

.step__icon {
  width: 28px;
  height: 28px;
  color: var(--burgundy);
  margin-bottom: 8px;
  display: none;
}

@media (min-width: 1024px) {
  .step__icon {
    display: block;
    margin: 0 auto 8px;
  }
}

.step__title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-dark);
}

.step__text {
  font-size: 0.85rem;
  color: var(--text-medium);
}

.step__connector {
  display: none;
}

@media (min-width: 1024px) {
  .step__connector {
    display: block;
    position: absolute;
    top: 24px;
    left: calc(50% + 32px);
    width: calc(100% - 64px);
    height: 2px;
    background-color: var(--beige);
  }

  .step__connector svg {
    position: absolute;
    right: -8px;
    top: -9px;
    color: var(--beige);
  }
}

.step__arrow {
  display: none;
}

@media (min-width: 1024px) {
  .step__arrow {
    display: block;
    color: var(--beige);
    position: absolute;
    font-size: 1rem;
    top: -7px;
    right: -8px;
  }
}

/* --- Packs --- */
.packs {
  padding: 80px 0;
  background-color: var(--white);
}

@media (min-width: 1024px) {
  .packs {
    padding: 100px 0;
  }
}

.packs__header {
  display: flex;
  flex-direction: column;
  margin-bottom: 40px;
  gap: 16px;
}

@media (min-width: 768px) {
  .packs__header {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-end;
  }
}

.packs__grid, #packs-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

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

@media (min-width: 1024px) {
  .packs__grid, #packs-container {
    grid-template-columns: repeat(3, 1fr);
  }
}

.pack-card {
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: var(--transition);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
}

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

.pack-card__icon {
  width: 48px;
  height: 48px;
  background-color: var(--cream);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.pack-card__icon svg {
  width: 24px;
  height: 24px;
  color: var(--burgundy);
}

.pack-card__name {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-dark);
}

.pack-card__meta {
  font-size: 0.85rem;
  color: var(--text-medium);
  margin-bottom: 4px;
}

.pack-card__btn {
  margin-top: auto;
  width: 100%;
}

.pack-card__meta:last-of-type {
  margin-bottom: 16px;
}

/* --- Study Modes --- */
.modes {
  padding: 80px 0;
  background-color: var(--cream);
}

@media (min-width: 1024px) {
  .modes {
    padding: 100px 0;
  }
}

.modes__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 40px;
}

@media (min-width: 1024px) {
  .modes__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.mode-card {
  background-color: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.mode-card__content {
  padding: 28px;
  flex: 1;
}

.mode-card__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--cream);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--burgundy);
  margin-bottom: 16px;
}

.mode-card__title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-dark);
}

.mode-card__text {
  font-size: 0.9rem;
  color: var(--text-medium);
  margin-bottom: 20px;
  line-height: 1.6;
}

.mode-card__mockup {
  background-color: var(--cream);
  padding: 20px;
  border-top: 1px solid var(--beige);
}

.mock-timer {
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: var(--white);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 12px;
  width: 100%;
}

.mock-timer__icon {
  color: var(--burgundy);
}

.mock-timer__time {
  margin-left: auto;
  font-size: 1rem;
  font-variant-numeric: tabular-nums;
}

.mock-correct-tag {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--success);
  font-weight: 600;
  white-space: nowrap;
}

.mock-progress-bar {
  height: 6px;
  background-color: var(--beige);
  border-radius: 3px;
  overflow: hidden;
  margin: 12px 0;
}

.mock-progress-bar__fill {
  height: 100%;
  background-color: var(--burgundy);
  border-radius: 3px;
  width: 65%;
}

.mock-nav-buttons {
  display: flex;
  justify-content: space-between;
  margin-top: 12px;
}

.mock-nav-btn {
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.7rem;
  border: 1px solid var(--beige);
  background-color: var(--white);
  color: var(--text-medium);
  cursor: default;
}

/* --- Results --- */
.results {
  padding: 80px 0;
  background-color: var(--white);
}

@media (min-width: 1024px) {
  .results {
    padding: 100px 0;
  }
}

.results__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

@media (min-width: 1024px) {
  .results__inner {
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    align-items: center;
  }
}

.results__content {
  max-width: 400px;
}

.results__dashboard {
  background-color: var(--cream);
  border-radius: var(--radius-xl);
  padding: 16px;
  box-shadow: var(--shadow-sm);
}

@media (min-width: 768px) {
  .results__dashboard {
    padding: 32px;
  }
}

.results__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}

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

.stat-card {
  background-color: var(--white);
  padding: 16px 12px;
  border-radius: var(--radius-md);
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.stat-card__number {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--burgundy);
}

.stat-card__label {
  font-size: 0.8rem;
  color: var(--text-medium);
  margin-top: 4px;
}

.results__charts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 768px) {
  .results__charts {
    grid-template-columns: 1.5fr 1fr;
  }
}

.chart-card {
  background-color: var(--white);
  padding: 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.chart-card__title {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-dark);
}

#evolution-chart, #donut-chart {
  width: 100%;
  height: 200px;
}

.chart-svg {
  display: block;
  width: 100%;
  height: 100%;
}

.chart-legend {
  display: flex;
  gap: 16px;
  margin-top: 12px;
  justify-content: center;
}

.chart-legend__item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--text-medium);
}

.chart-legend__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.chart-legend__dot--correct {
  background-color: var(--success);
}

.chart-legend__dot--incorrect {
  background-color: var(--error);
}

/* --- CTA Section --- */
.cta-section {
  padding: 80px 0;
  background-color: var(--burgundy);
  background-image: radial-gradient(circle at top right, var(--burgundy-light), transparent 50%);
  color: var(--white);
}

@media (min-width: 1024px) {
  .cta-section {
    padding: 100px 0;
  }
}

.cta-section__inner {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

@media (min-width: 1024px) {
  .cta-section__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
  }
}

.cta-section__title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
  line-height: 1.2;
}

@media (min-width: 1024px) {
  .cta-section__title {
    font-size: 2.5rem;
  }
}

.cta-section__text {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 32px;
  line-height: 1.6;
}

.cta-section__buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.cta-section__checklist {
  list-style: none;
}

.cta-section__checklist li {
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.95rem;
  margin-bottom: 16px;
}

.cta-section__check-icon {
  width: 24px;
  height: 24px;
  background-color: rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--white);
}

/* --- FAQ --- */
.faq {
  padding: 80px 0;
  background-color: var(--cream);
}

@media (min-width: 1024px) {
  .faq {
    padding: 100px 0;
  }
}

.faq__list {
  max-width: 768px;
  margin: 40px auto 0;
}

.faq-item {
  margin-bottom: 12px;
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-dark);
  cursor: pointer;
  transition: var(--transition);
  text-align: left;
}

.faq-question:hover {
  border-color: var(--burgundy);
}

.faq-question[aria-expanded="true"] {
  border-color: var(--burgundy);
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
  background-color: var(--burgundy);
  color: var(--white);
}

.faq-question__icon {
  width: 24px;
  height: 24px;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-question[aria-expanded="true"] .faq-question__icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer.is-open {
  max-height: 300px;
}

.faq-answer__content {
  padding: 20px 24px;
  background-color: var(--white);
  border: 1px solid var(--burgundy);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  font-size: 0.95rem;
  color: var(--text-medium);
  line-height: 1.7;
}

/* --- Footer --- */
.footer {
  padding: 60px 0 24px;
  background-color: var(--text-dark);
  color: rgba(255, 255, 255, 0.7);
}

.footer__top {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

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

@media (min-width: 1024px) {
  .footer__top {
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
  }
}

.footer__brand {
  margin-bottom: 32px;
}

@media (min-width: 1024px) {
  .footer__brand {
    margin-bottom: 0;
  }
}

.footer__logo {
  display: inline-flex;
  align-items: center;
  padding: 6px;
  margin-bottom: 16px;
  background-color: var(--white);
  border-radius: var(--radius-sm);
  text-decoration: none;
}

.footer__logo-img {
  display: block;
  height: 36px;
  width: auto;
  border-radius: 6px;
}

.flag-ec {
  display: inline-block;
  width: 24px;
  height: 16px;
  margin: 0 2px 0 4px;
  vertical-align: -3px;
  border-radius: 2px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.15);
}

.footer__credit-link {
  color: rgba(255, 255, 255, 0.75);
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition);
}

.footer__credit-link:hover {
  color: var(--white);
  text-decoration: underline;
}

.footer__slogan {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
  font-style: italic;
  max-width: 300px;
}

.footer__col-title {
  font-weight: 600;
  color: var(--white);
  font-size: 0.9rem;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer__links {
  list-style: none;
}

.footer__links li {
  margin-bottom: 10px;
}

.footer__links a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer__links a:hover {
  color: var(--white);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 40px;
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer__copyright {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.5);
}

.footer__social {
  display: flex;
  gap: 12px;
}

.footer__social a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
  transition: var(--transition);
  text-decoration: none;
}

.footer__social a:hover {
  background-color: rgba(255, 255, 255, 0.2);
  color: var(--white);
}

/* --- WhatsApp Float --- */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
}

.whatsapp-float__btn {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: #25D366;
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
  transition: var(--transition);
  cursor: pointer;
  border: none;
  text-decoration: none;
}

.whatsapp-float__btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.5);
}

.whatsapp-float__btn svg {
  width: 32px;
  height: 32px;
  fill: currentColor;
}

.whatsapp-float__tooltip {
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%);
  background-color: var(--white);
  padding: 8px 16px;
  border-radius: 8px;
  box-shadow: var(--shadow-md);
  white-space: nowrap;
  font-size: 0.85rem;
  color: var(--text-dark);
  font-weight: 500;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.whatsapp-float:hover .whatsapp-float__tooltip {
  opacity: 1;
}

/* --- Scroll Animations --- */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.animate-on-scroll.delay-1 {
  transition-delay: 0.1s;
}

.animate-on-scroll.delay-2 {
  transition-delay: 0.2s;
}

.animate-on-scroll.delay-3 {
  transition-delay: 0.3s;
}

.animate-on-scroll.delay-4 {
  transition-delay: 0.4s;
}

.animate-on-scroll.delay-5 {
  transition-delay: 0.5s;
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .animate-on-scroll {
    opacity: 1;
    transform: none;
    transition: none !important;
  }
}