/* ===============================================
   PhrasePlay Landing Page - Styles
   Dark mode por padrão, com toggle light/dark
   =============================================== */

/* === CSS Variables (Dark Theme Default) === */
:root {
  /* Colors - Dark Theme */
  --color-primary: #7C3AED;
  --color-primary-hover: #6D28D9;
  --color-text: #F8FAFC;
  --color-text-secondary: #94A3B8;
  --color-bg: #0B1020;
  --color-bg-alt: #0F172A;
  --color-border: #1F2937;
  --color-card-bg: #1F2937;
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  
  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.5);
  
  /* Transitions */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme */
[data-theme="light"] {
  --color-text: #0F172A;
  --color-text-secondary: #64748B;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F8FAFC;
  --color-border: #E2E8F0;
  --color-card-bg: #FFFFFF;
  
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  overflow-x: hidden;
}

body {
  font-family: var(--font-family);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color 0.3s ease, color 0.3s ease;
  overflow-x: hidden;
  min-width: 320px;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

/* === Container === */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

@media (min-width: 640px) {
  .container {
    padding: 0 var(--spacing-md);
  }
}

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

/* === Header === */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: var(--transition);
  backdrop-filter: blur(10px);
  background-color: rgba(11, 16, 32, 0.9);
}

[data-theme="light"] .header {
  background-color: rgba(255, 255, 255, 0.9);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--spacing-sm);
  padding-bottom: var(--spacing-sm);
  gap: var(--spacing-md);
}

.logo img {
  height: 48px;
  width: auto;
  border-radius: 10px;
}

@media (min-width: 640px) {
  .logo img {
    height: 60px;
  }
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  color: var(--color-text);
  z-index: 1001;
}

.hamburger {
  position: relative;
  width: 24px;
  height: 2px;
  background-color: currentColor;
  transition: var(--transition);
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  left: 0;
  width: 24px;
  height: 2px;
  background-color: currentColor;
  transition: var(--transition);
}

.hamburger::before {
  top: -7px;
}

.hamburger::after {
  top: 7px;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger {
  background-color: transparent;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger::before {
  top: 0;
  transform: rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger::after {
  top: 0;
  transform: rotate(-45deg);
}

/* Navigation */
.nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-md);
}

.nav.active {
  display: block;
}

.nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.nav-link {
  display: block;
  padding: var(--spacing-xs) 0;
  color: var(--color-text-secondary);
  transition: var(--transition);
  font-weight: 500;
  white-space: nowrap;
}

.nav-link:hover,
.nav-link:focus {
  color: var(--color-primary);
}

.nav-actions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.nav-actions .btn {
  width: 100%;
  justify-content: center;
}

.language-select {
  width: 100%;
  padding: 0.625rem 0.75rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background-color: var(--color-card-bg);
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition);
}

.language-select:hover,
.language-select:focus {
  border-color: var(--color-primary);
  outline: none;
}

/* Theme Toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  transition: var(--transition);
}

.theme-toggle:hover {
  background-color: var(--color-primary);
  color: white;
}

.theme-icon {
  width: 20px;
  height: 20px;
}

.theme-icon-light {
  display: none;
}

[data-theme="light"] .theme-icon-dark {
  display: none;
}

[data-theme="light"] .theme-icon-light {
  display: block;
}

/* Desktop Navigation */
@media (min-width: 768px) {
  .mobile-menu-toggle {
    display: none;
  }
  
  .nav {
    display: flex;
    position: static;
    align-items: center;
    gap: var(--spacing-lg);
    padding: 0;
    border: none;
    background: none;
  }
  
  .nav-list {
    flex-direction: row;
    margin-bottom: 0;
  }
  
  .nav-actions {
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-sm);
  }
  
  .nav-actions .btn {
    width: auto;
  }
  
  .language-select {
    width: auto;
    min-width: 150px;
  }
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  transition: var(--transition);
  cursor: pointer;
  white-space: nowrap;
  text-align: center;
}

@media (min-width: 640px) {
  .btn {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
  }
}

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

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-text);
  border: 2px solid var(--color-border);
}

.btn-secondary:hover,
.btn-secondary:focus {
  background-color: var(--color-card-bg);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-text {
  background: none;
  color: var(--color-primary);
  padding: 0.5rem 0;
}

.btn-text:hover,
.btn-text:focus {
  color: var(--color-primary-hover);
}

.btn-lg {
  padding: 0.875rem 1.5rem;
  font-size: 1rem;
}

@media (min-width: 640px) {
  .btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
  }
}

/* === Hero Section === */
.hero {
  padding-top: calc(60px + var(--spacing-xl));
  padding-bottom: var(--spacing-xl);
  min-height: auto;
  display: flex;
  align-items: center;
}

@media (min-width: 768px) {
  .hero {
    padding-top: calc(60px + var(--spacing-3xl));
    padding-bottom: var(--spacing-3xl);
    min-height: 100vh;
  }
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.hero-title {
  font-size: 1.875rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

@media (min-width: 640px) {
  .hero-title {
    font-size: 2.5rem;
    line-height: 1.1;
  }
}

.hero-subtitle {
  font-size: 1.0625rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

@media (min-width: 640px) {
  .hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
  }
}

.hero-cta {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

@media (min-width: 640px) {
  .hero-cta {
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
  }
}

.hero-cta .btn {
  width: 100%;
}

@media (min-width: 640px) {
  .hero-cta .btn {
    width: auto;
  }
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.badge {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}

@media (min-width: 640px) {
  .badge {
    font-size: 0.875rem;
  }
}

.badge svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.mockup {
  width: 100%;
  max-width: 280px;
  padding: var(--spacing-md);
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.1), rgba(109, 40, 217, 0.1));
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}

@media (min-width: 640px) {
  .mockup {
    max-width: 400px;
    padding: var(--spacing-xl);
  }
}

@media (min-width: 768px) {
  .hero-content {
    grid-template-columns: 1fr 1fr;
  }
  
  .hero-title {
    font-size: 3.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.5rem;
  }
}

/* === Sections === */
.section {
  padding: var(--spacing-xl) 0;
}

@media (min-width: 768px) {
  .section {
    padding: var(--spacing-3xl) 0;
  }
}

.section-alt {
  background-color: var(--color-bg-alt);
}

.section-title {
  font-size: 1.75rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
  line-height: 1.2;
}

@media (min-width: 640px) {
  .section-title {
    font-size: 2.5rem;
  }
}

.section-subtitle {
  font-size: 1.0625rem;
  text-align: center;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

@media (min-width: 640px) {
  .section-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-2xl);
  }
}

/* === Features Grid === */
.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

.feature-card {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  transition: var(--transition);
}

@media (min-width: 640px) {
  .feature-card {
    padding: var(--spacing-lg);
  }
}

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

.feature-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-hover));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  color: white;
}

.feature-title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

@media (min-width: 640px) {
  .feature-title {
    font-size: 1.25rem;
  }
}

.feature-description {
  color: var(--color-text-secondary);
  line-height: 1.6;
  font-size: 0.9375rem;
}

@media (min-width: 640px) {
  .feature-description {
    font-size: 1rem;
  }
}

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

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

/* === Steps === */
.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  max-width: 900px;
  margin: 0 auto;
}

.step {
  position: relative;
  padding-left: 0;
  padding-top: var(--spacing-2xl);
}

@media (min-width: 640px) {
  .step {
    padding-left: var(--spacing-3xl);
    padding-top: 0;
  }
}

.step-number {
  position: absolute;
  left: 50%;
  top: 0;
  transform: translateX(-50%);
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-hover));
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
}

@media (min-width: 640px) {
  .step-number {
    left: 0;
    top: 0;
    transform: none;
  }
}

.step-title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
  line-height: 1.3;
}

@media (min-width: 640px) {
  .step-title {
    font-size: 1.5rem;
  }
}

.step-description {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
}

@media (min-width: 640px) {
  .step-description {
    font-size: 1.125rem;
  }
}

@media (min-width: 768px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .step {
    padding-left: 0;
    padding-top: var(--spacing-3xl);
  }
  
  .step-number {
    left: 50%;
    top: 0;
    transform: translateX(-50%);
  }
}

/* === Playlists Grid === */
.playlists-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

.playlist-card {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}

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

.playlist-image {
  width: 100%;
  height: 180px;
  overflow: hidden;
}

@media (min-width: 640px) {
  .playlist-image {
    height: 200px;
  }
}

.playlist-image img,
.playlist-image svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.playlist-title {
  font-size: 1rem;
  font-weight: 700;
  padding: var(--spacing-md);
  color: var(--color-text);
  line-height: 1.4;
}

@media (min-width: 640px) {
  .playlist-title {
    font-size: 1.125rem;
  }
}

.playlist-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-sm);
  padding: 0 var(--spacing-md) var(--spacing-md);
}

.playlist-card .btn-text {
  padding: 0;
}

.playlist-audio {
  display: none;
}

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

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

/* === Modal === */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
}

.modal[aria-hidden="false"] {
  display: flex;
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  background-color: var(--color-card-bg);
  border-radius: var(--radius-xl);
  padding: var(--spacing-md);
  max-width: 600px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
}

@media (min-width: 640px) {
  .modal-content {
    padding: var(--spacing-xl);
  }
}

.modal-close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--color-text-secondary);
  transition: var(--transition);
}

.modal-close:hover {
  color: var(--color-text);
}

.modal-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

.modal-phrases {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.phrase-item {
  padding: var(--spacing-md);
  background-color: var(--color-bg-alt);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-primary);
}

.phrase-en {
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

.phrase-pt {
  color: var(--color-text-secondary);
}

/* === Pricing === */
.pricing-card {
  max-width: 500px;
  margin: 0 auto;
  background-color: var(--color-card-bg);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  text-align: center;
  box-shadow: var(--shadow-lg);
}

@media (min-width: 640px) {
  .pricing-card {
    padding: var(--spacing-xl);
  }
}

.pricing-header {
  margin-bottom: var(--spacing-xl);
}

.pricing-price {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

@media (min-width: 640px) {
  .pricing-price {
    font-size: 3rem;
  }
}

.pricing-price span {
  font-size: 1.5rem;
  color: var(--color-text-secondary);
}

.pricing-method {
  color: var(--color-text-secondary);
  font-size: 1.125rem;
}

.pricing-features {
  list-style: none;
  text-align: left;
  margin-bottom: var(--spacing-xl);
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) 0;
  color: var(--color-text);
}

.pricing-features svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

/* === Testimonials === */
.testimonials {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  max-width: 1000px;
  margin: 0 auto;
}

.testimonial {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
}

@media (min-width: 640px) {
  .testimonial {
    padding: var(--spacing-xl);
  }
}

.testimonial-text {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
  font-style: italic;
}

@media (min-width: 640px) {
  .testimonial-text {
    font-size: 1.125rem;
  }
}

.testimonial-text::before {
  content: '"';
  color: var(--color-primary);
  font-size: 2rem;
  line-height: 0;
}

.testimonial-author {
  display: flex;
  flex-direction: column;
}

.testimonial-author strong {
  color: var(--color-text);
  font-weight: 600;
}

.testimonial-author span {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

@media (min-width: 768px) {
  .testimonials {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* === FAQ === */
.faq {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) 0;
  background: none;
  border: none;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  transition: var(--transition);
  cursor: pointer;
  line-height: 1.4;
}

@media (min-width: 640px) {
  .faq-question {
    font-size: 1.125rem;
  }
}

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

.faq-icon {
  flex-shrink: 0;
  transition: var(--transition);
  color: var(--color-primary);
}

.faq-question[aria-expanded="true"] .faq-icon {
  transform: rotate(180deg);
}

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

.faq-question[aria-expanded="true"] + .faq-answer {
  max-height: 500px;
  padding-bottom: var(--spacing-md);
}

.faq-answer p {
  color: var(--color-text-secondary);
  line-height: 1.7;
  font-size: 0.9375rem;
}

@media (min-width: 640px) {
  .faq-answer p {
    font-size: 1rem;
  }
}

/* === CTA Section === */
.cta-section {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.1), rgba(109, 40, 217, 0.1));
}

.cta-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
  max-width: 600px;
  margin: 0 auto;
}

.cta-divider {
  color: var(--color-text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.875rem;
}

.waitlist-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  width: 100%;
}

.waitlist-form input {
  padding: 0.875rem 1.25rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-card-bg);
  color: var(--color-text);
  font-size: 0.9375rem;
  transition: var(--transition);
}

@media (min-width: 640px) {
  .waitlist-form input {
    padding: 1rem 1.5rem;
    font-size: 1rem;
  }
}

.waitlist-form input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.waitlist-form input::placeholder {
  color: var(--color-text-secondary);
}

@media (min-width: 640px) {
  .waitlist-form {
    flex-direction: row;
  }
  
  .waitlist-form input {
    flex: 1;
  }
  
  .waitlist-form button {
    flex-shrink: 0;
  }
}

/* === Footer === */
.footer {
  background-color: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-2xl) 0;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: end;
  gap: var(--spacing-lg);
  text-align: center;
}

.footer-brand img {
  height: 44px;
  margin: 0 auto var(--spacing-sm);
  border-radius: 10px;
}

@media (min-width: 640px) {
  .footer-brand img {
    height: 52px;
  }
}

.footer-brand p {
  color: var(--color-text-secondary);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  justify-content: center;
}

.footer-links a {
  color: var(--color-text-secondary);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--color-primary);
}

.footer-copy {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

@media (min-width: 768px) {
  .footer-content {
    flex-direction: row;
    justify-content: space-between;
    align-items: end;
    text-align: left;
  }
  
  .footer-brand img {
    margin: 0 0 var(--spacing-sm) 0;
  }
}

/* === Accessibility === */
/* Focus styles */
a:focus,
button:focus,
input:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Skip to content link */
.skip-to-content {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--color-primary);
  color: white;
  padding: var(--spacing-sm);
  z-index: 3000;
  transition: var(--transition);
}

.skip-to-content:focus {
  top: 0;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* === Extra Small Devices (iPhone SE, iPhone 7, etc.) === */
@media (max-width: 375px) {
  :root {
    --spacing-xs: 0.375rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1.125rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 2.5rem;
    --spacing-3xl: 3rem;
  }
  
  .hero-title {
    font-size: 1.625rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .section-title {
    font-size: 1.5rem;
  }
  
  .section-subtitle {
    font-size: 1rem;
  }
  
  .btn {
    padding: 0.625rem 1rem;
    font-size: 0.875rem;
  }
  
  .btn-lg {
    padding: 0.75rem 1.25rem;
    font-size: 0.9375rem;
  }
  
  .logo img {
    height: 40px;
  }
  
  .feature-icon {
    width: 50px;
    height: 50px;
  }
  
  .step-number {
    width: 45px;
    height: 45px;
    font-size: 1.25rem;
  }
  
  .pricing-price {
    font-size: 2rem;
  }
  
  .modal-content {
    padding: var(--spacing-sm);
  }
}