/* ============================================
   Rebooth Landing Page Styles
   Design System based on Technical Brief
   ============================================ */

/* ============================================
   1. CSS CUSTOM PROPERTIES
   ============================================ */
:root {
  /* Colors */
  --color-primary: #111827;
  --color-secondary: #374151;
  --color-accent: #2D2D2D;
  --color-accent-hover: #1A1A1A;
  --color-success: #10B981;
  --color-border: #E5E7EB;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F9FAFB;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', sans-serif;
  --font-text: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', sans-serif;
  
  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  
  /* Spacing (8px grid) */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 2.5rem;
  --space-6: 3rem;
  --space-8: 4rem;
  --space-10: 5rem;
  --space-12: 6rem;
  --space-15: 7.5rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.25rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: rgba(0, 0, 0, 0.06) 0px 10px 24px;
  --shadow-lg: rgba(0, 0, 0, 0.1) 0px 20px 40px;
  --shadow-nav: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Layout */
  --max-width: 1120px;
  --nav-height: 72px;
}

/* ============================================
   2. RESET & BASE STYLES
   ============================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

body {
  font-family: var(--font-text);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-secondary);
  background: var(--color-bg);
  padding-top: var(--nav-height);
}

img,
picture,
video {
  max-width: 100%;
  display: block;
}

button,
input,
select,
textarea {
  font: inherit;
}

/* ============================================
   3. TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary);
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(1.75rem, 4.5vw, 2.5rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.75rem, 4.5vw, 2.5rem);
  letter-spacing: -0.02em;
}

h3 {
  font-size: clamp(1.75rem, 4.5vw, 2.5rem);
  letter-spacing: -0.02em;
}

p {
  margin-bottom: 1rem;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent-hover);
}

a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
  border-radius: var(--radius-sm);
}

/* ============================================
   4. LAYOUT UTILITIES
   ============================================ */
.container {
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-3);
  padding-right: var(--space-3);
}

@media (min-width: 768px) {
  .container {
    padding-left: var(--space-5);
    padding-right: var(--space-5);
  }
}

@media (min-width: 1024px) {
  .container {
    padding-left: var(--space-8);
    padding-right: var(--space-8);
  }
}

.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-2);
  z-index: 10000;
  padding: var(--space-1) var(--space-2);
  background: var(--color-accent);
  color: white;
  border-radius: var(--radius-md);
  font-weight: 600;
}

.skip-link:focus {
  top: var(--space-1);
}

/* ============================================
   5. BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  padding: 0.75rem 1.5rem;
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 1;
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
}

.btn svg {
  width: 18px;
  height: 18px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  box-shadow: none;
}

.btn--primary {
  background: var(--color-accent);
  color: white;
  box-shadow: var(--shadow-sm);
}

.btn--primary:hover:not(:disabled) {
  background: var(--color-accent-hover);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--primary:active:not(:disabled) {
  transform: scale(0.99);
}

.btn--secondary {
  background: white;
  color: var(--color-primary);
  border: 1px solid var(--color-border);
}

.btn--secondary:hover:not(:disabled) {
  background: var(--color-bg-alt);
  border-color: var(--color-primary);
}

.btn--large {
  padding: 1rem 1.75rem;
  font-size: var(--text-lg);
}

.btn--full {
  width: 100%;
}

.btn--nav {
  padding: 0.625rem 1.25rem;
  font-size: var(--text-sm);
}

/* ============================================
   6. HEADER & NAVIGATION
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  transition: box-shadow var(--transition-base);
}

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

.nav__container {
  display: flex;
  align-items: center;
  justify-content: center;
  height: var(--nav-height);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-3);
  position: relative;
}

@media (min-width: 768px) {
  .nav__container {
    padding: 0 var(--space-5);
  }
}

@media (min-width: 1024px) {
  .nav__container {
    padding: 0 var(--space-8);
  }
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-weight: 700;
  font-size: var(--text-lg);
  color: var(--color-primary);
  text-decoration: none;
  position: absolute;
  left: var(--space-3);
}

@media (min-width: 768px) {
  .nav__logo {
    left: var(--space-5);
  }
}

@media (min-width: 1024px) {
  .nav__logo {
    left: var(--space-8);
  }
}

.nav__logo-img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.nav__logo-text {
  display: none;
}

@media (min-width: 640px) {
  .nav__logo-text {
    display: inline;
  }
}

.nav__toggle {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-1);
}

.nav__toggle-bar {
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  transition: var(--transition-base);
}

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

.nav__menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: var(--color-bg);
  flex-direction: column;
  padding: var(--space-4);
  max-height: calc(100vh - var(--nav-height));
  overflow-y: auto;
  z-index: 999;
}

.nav__menu.active {
  display: flex;
}

@media (min-width: 1024px) {
  .nav__menu {
    display: flex;
    position: static;
    flex-direction: row;
    align-items: center;
    gap: var(--space-4);
    padding: 0;
    overflow-y: visible;
  }
}

.nav__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  list-style: none;
}

@media (min-width: 1024px) {
  .nav__links {
    flex-direction: row;
    gap: var(--space-3);
  }
}

.nav__link {
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-secondary);
  text-decoration: none;
  padding: var(--space-1) 0;
  transition: color var(--transition-fast);
}

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

.nav__link.active {
  color: var(--color-accent);
  position: relative;
}

@media (min-width: 1024px) {
  .nav__link.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-accent);
  }
}

.nav__cta-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

@media (min-width: 1024px) {
  .nav__cta-group {
    flex-direction: row;
    margin-top: 0;
    position: absolute;
    right: var(--space-8);
  }
}

/* ============================================
   7. HERO SECTION
   ============================================ */
.hero {
  padding: var(--space-8) 0;
  position: relative;
  overflow: hidden;
}

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

.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  z-index: 1;
}

@media (min-width: 768px) {
  .hero {
    padding: var(--space-10) 0;
  }
}

@media (min-width: 1024px) {
  .hero {
    padding: var(--space-15) 0;
  }
}

.hero__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-6);
  position: relative;
  z-index: 2;
}

.hero__text {
  animation: fadeInUp 0.8s ease-out;
  max-width: 800px;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero__headline {
  margin-bottom: var(--space-3);
}

.hero__subheadline {
  font-size: var(--text-xl);
  color: var(--color-secondary);
  margin-bottom: var(--space-4);
  line-height: 1.6;
}

.hero__cta {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
  justify-content: center;
}

@media (min-width: 640px) {
  .hero__cta {
    flex-direction: row;
  }
}

.hero__note {
  font-size: var(--text-sm);
  color: var(--color-secondary);
}

.hero__media {
  position: relative;
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  z-index: 2;
}

.hero__video-wrapper {
  position: relative;
  width: 100%;
  padding-bottom: 75%;
  background: var(--color-bg-alt);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

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

.hero__video-placeholder {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  color: var(--color-secondary);
}

.hero__video-placeholder i {
  width: 64px;
  height: 64px;
}

/* ============================================
   8. PROBLEM SECTION
   ============================================ */
.problem {
  padding: var(--space-10) 0;
  background: var(--color-bg-alt);
}

@media (min-width: 1024px) {
  .problem {
    padding: var(--space-15) 0;
  }
}

.problem__content {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 1024px) {
  .problem__content {
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-8);
    align-items: center;
  }
}

.problem__headline {
  margin-bottom: var(--space-4);
}

.problem__points {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.problem__point {
  display: flex;
  gap: var(--space-2);
  align-items: flex-start;
}

.problem__icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  color: #EF4444;
}

.problem__point p {
  font-size: var(--text-lg);
  margin: 0;
}

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

.problem__visual svg {
  max-width: 100%;
  height: auto;
}

/* ============================================
   9. SOLUTION SECTION
   ============================================ */
.solution {
  padding: var(--space-10) 0;
}

@media (min-width: 1024px) {
  .solution {
    padding: var(--space-15) 0;
  }
}

.solution__header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.solution__headline {
  font-size: clamp(1.5rem, 4vw, 1.875rem);
  max-width: 800px;
  margin: 0 auto;
}

.solution__grid {
  display: grid;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

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

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

.feature-card {
  padding: var(--space-4);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  text-align: center;
}

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

.feature-card__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-3);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  color: var(--color-accent);
}

.feature-card__icon i {
  width: 32px;
  height: 32px;
}

.feature-card__title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.feature-card__description {
  font-size: var(--text-base);
  color: var(--color-secondary);
  margin: 0;
}

.solution__closing {
  text-align: center;
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-primary);
  margin: 0;
}

/* ============================================
   10. WHY NOW SECTION
   ============================================ */
.why-now {
  padding: var(--space-10) 0;
  background: var(--color-bg-alt);
}

@media (min-width: 1024px) {
  .why-now {
    padding: var(--space-15) 0;
  }
}

.why-now__content {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 1024px) {
  .why-now__content {
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-8);
    align-items: center;
  }
}

.why-now__headline {
  margin-bottom: var(--space-4);
}

.why-now__point {
  font-size: var(--text-lg);
  color: var(--color-secondary);
  margin-bottom: var(--space-2);
}

.why-now__visual {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.stat-highlight {
  padding: var(--space-4);
  background: var(--color-bg);
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-xl);
  text-align: center;
}

.stat-highlight__value {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: var(--space-1);
}

.stat-highlight__label {
  font-size: var(--text-base);
  color: var(--color-secondary);
}

.timeline {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.timeline__item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.timeline__marker {
  width: 16px;
  height: 16px;
  border: 2px solid var(--color-border);
  border-radius: 50%;
  background: var(--color-bg);
}

.timeline__marker--active {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.timeline__label {
  font-size: var(--text-base);
  color: var(--color-secondary);
}

/* ============================================
   11. ADVANTAGES SECTION
   ============================================ */
.advantages {
  padding: var(--space-10) 0;
}

@media (min-width: 1024px) {
  .advantages {
    padding: var(--space-15) 0;
  }
}

.advantages__headline {
  text-align: center;
  margin-bottom: var(--space-8);
}

.advantages__grid {
  display: grid;
  gap: var(--space-4);
}

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

.advantage-card {
  padding: var(--space-6);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

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

.advantage-card--highlight {
  border-color: var(--color-accent);
  background: linear-gradient(135deg, rgba(45, 45, 45, 0.02) 0%, rgba(45, 45, 45, 0.05) 100%);
}

.advantage-card__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
}

.advantage-card__description {
  font-size: var(--text-lg);
  color: var(--color-secondary);
  margin: 0;
}

.highlight-pill {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--color-accent);
  color: white;
  border-radius: var(--radius-full);
  font-size: var(--text-base);
  font-weight: 600;
}

/* ============================================
   12. PLANS SECTION
   ============================================ */
.plans {
  padding: var(--space-10) 0;
  background: var(--color-bg-alt);
}

@media (min-width: 1024px) {
  .plans {
    padding: var(--space-15) 0;
  }
}

.plans__header {
  text-align: center;
  margin-bottom: var(--space-8);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.plans__headline {
  margin-bottom: var(--space-3);
}

.plans__subheadline {
  font-size: var(--text-lg);
  color: var(--color-secondary);
  line-height: 1.6;
}

.plans__grid {
  display: grid;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

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

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

.pricing-card {
  padding: var(--space-6);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all var(--transition-base);
  text-align: center;
}

@media (min-width: 640px) {
  .pricing-card {
    text-align: left;
  }
}

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

.pricing-card--featured {
  border: 2px solid var(--color-accent);
  box-shadow: var(--shadow-lg);
}

.pricing-card__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.375rem 1rem;
  background: var(--color-accent);
  color: white;
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
}

.pricing-card__name {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
}

.pricing-card__price {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.pricing-card__period {
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--color-secondary);
}

.pricing-card__description {
  font-size: var(--text-base);
  color: var(--color-secondary);
  margin-bottom: var(--space-1);
}

.pricing-card__subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

.pricing-card__savings {
  color: var(--color-success);
  font-weight: 600;
}

.pricing-card__features {
  list-style: none;
  margin-bottom: var(--space-4);
  flex-grow: 1;
}

.pricing-card .btn {
  margin-top: auto;
}

.pricing-card__features li {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0.5rem 0;
  font-size: var(--text-sm);
}

.pricing-card__features i {
  width: 18px;
  height: 18px;
  color: var(--color-success);
  flex-shrink: 0;
}

.pricing-card__value {
  background: var(--color-background);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
  border-left: 3px solid var(--color-accent);
}

.pricing-card__value strong {
  display: block;
  margin-bottom: var(--space-2);
  font-size: var(--text-base);
}

.pricing-card__value p {
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--color-text-secondary);
  margin: 0;
}

.plans__download {
  text-align: center;
}

/* Savings Calculator */
.savings-calculator {
  margin-top: var(--space-8);
  display: flex;
  justify-content: center;
}

.calculator-card {
  max-width: 600px;
  width: 100%;
  background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  box-shadow: var(--shadow-lg);
}

.calculator-card__title {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-3);
  text-align: center;
}

.calculator-card__input {
  margin-bottom: var(--space-4);
  text-align: center;
}

.calculator-card__input label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--space-2);
  font-size: var(--text-sm);
}

.calculator-card__input input {
  width: 100px;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-lg);
  font-weight: 600;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
}

.calculator-card__input input:focus {
  outline: none;
  border-color: var(--color-accent);
}

.calculator-card__label {
  margin-left: var(--space-2);
  color: var(--color-text-secondary);
}

.calculator-card__results {
  background: white;
  border-radius: var(--radius-md);
  padding: var(--space-3);
  margin-bottom: var(--space-3);
}

.calculator-card__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-1) 0;
  font-size: var(--text-sm);
}

.calculator-card__row--best {
  background: #e8f5e9;
  margin: 0 calc(var(--space-2) * -1);
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.calculator-card__cost {
  font-weight: 700;
}

.calculator-card__savings {
  text-align: center;
  margin-bottom: var(--space-3);
}

.calculator-card__savings p {
  margin: var(--space-1) 0;
  font-size: var(--text-sm);
}

.calculator-card__savings strong {
  color: var(--color-success);
  font-size: var(--text-base);
}

.calculator-card__recommendation {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
}

.calculator-card__cta {
  width: 100%;
}

/* ============================================
   13. TRY CTA SECTION
   ============================================ */
.try-cta {
  padding: var(--space-10) 0;
}

@media (min-width: 1024px) {
  .try-cta {
    padding: var(--space-15) 0;
  }
}

.try-cta__content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.try-cta__headline {
  margin-bottom: var(--space-3);
}

.try-cta__description {
  font-size: var(--text-xl);
  color: var(--color-secondary);
  margin-bottom: var(--space-6);
}

.try-cta__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  align-items: center;
  margin-bottom: var(--space-2);
}

@media (min-width: 640px) {
  .try-cta__actions {
    flex-direction: row;
    justify-content: center;
  }
}

.try-cta__note {
  font-size: var(--text-sm);
  color: var(--color-secondary);
}

/* ============================================
   14. MODAL
   ============================================ */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10000;
  align-items: center;
  justify-content: center;
}

.modal--open {
  display: flex;
}

.modal__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  animation: fadeIn 0.2s ease-out;
}

.modal__content {
  position: relative;
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  max-width: 900px;
  width: 90%;
  max-height: 90vh;
  overflow: hidden;
  animation: slideUp 0.3s ease-out;
  z-index: 1;
}

.modal__close {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-base);
  z-index: 10;
}

.modal__close:hover {
  background: var(--color-bg-alt);
  border-color: var(--color-primary);
}

.modal__close svg {
  width: 20px;
  height: 20px;
}

.modal__header {
  padding: var(--space-6) var(--space-5);
  border-bottom: 1px solid var(--color-border);
  text-align: center;
}

.modal__header h2 {
  margin-bottom: var(--space-2);
  font-size: var(--text-2xl);
}

.modal__header p {
  color: var(--color-secondary);
  font-size: var(--text-base);
}

.modal__body {
  padding: 0;
  overflow-y: auto;
  max-height: calc(90vh - 140px);
}

.modal__body iframe {
  display: block;
  width: 100%;
  min-height: 600px;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@media (max-width: 768px) {
  .modal__content {
    width: 95%;
    max-height: 95vh;
  }
  
  .modal__header {
    padding: var(--space-4) var(--space-3);
  }
  
  .modal__body iframe {
    min-height: 500px;
  }
}

/* ============================================
   15. FAQ SECTION
   ============================================ */
.faq {
  padding: var(--space-12) 0 var(--space-20);
  background: var(--color-bg);
}

@media (min-width: 1024px) {
  .faq {
    padding: var(--space-16) 0 calc(var(--space-20) * 2);
  }
}

.faq__headline {
  text-align: center;
  margin-bottom: 0;
}

.faq__grid {
  display: grid;
  gap: var(--space-4);
  max-width: 900px;
  margin: 0 auto;
}

.faq-card {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  overflow: hidden;
}

.faq-card:first-child {
  margin-top: var(--space-8);
}

.faq-card:last-child {
  margin-bottom: var(--space-8);
}

.faq-card:hover {
  box-shadow: var(--shadow-md);
}

.faq-card__header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5);
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: background-color var(--transition-fast);
  color: var(--color-text);
}

.faq-card__header:hover {
  background: var(--color-background);
}

.faq-card__question {
  font-size: var(--text-lg);
  font-weight: 600;
  margin: 0;
  color: var(--color-text);
  flex: 1;
}

.faq-card__icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  color: var(--color-accent);
  transition: transform var(--transition-base);
}

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

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

.faq-card__content.is-open {
  max-height: 1000px;
  transition: max-height 0.5s ease-in;
}

.faq-card__content > * {
  padding-left: var(--space-5);
  padding-right: var(--space-5);
  padding-bottom: var(--space-5);
  padding-top: 0;
}

.faq-card__content > *:first-child {
  padding-top: 0;
}

.faq-card__content > .btn {
  padding: var(--space-3) var(--space-6);
  margin-left: var(--space-5);
  margin-right: var(--space-5);
  margin-bottom: var(--space-5);
  width: auto;
}

.faq-card__answer {
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 0;
}

.faq-card__note {
  margin-top: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: #fef8ed;
  border-left: 3px solid #d4a574;
  border-radius: var(--radius-md);
  color: var(--color-text);
  line-height: 1.6;
  font-size: var(--text-sm);
  max-width: calc(100% - var(--space-10));
  margin-left: auto;
  margin-right: auto;
}

.faq-card__note strong {
  color: #b8844c;
}

.faq-card--cta {
  background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
  border: 2px solid var(--color-accent);
}

.faq-card--cta .faq-card__answer {
  margin-bottom: 0;
}

/* ============================================
   16. FOOTER
   ============================================ */
.footer {
  padding: var(--space-8) 0 var(--space-4);
  background: var(--color-accent);
  color: white;
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
  margin-bottom: var(--space-4);
}

.footer__nav--legal {
  margin-top: var(--space-2);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.footer__link {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: var(--text-base);
  transition: color var(--transition-fast);
}

.footer__nav--legal .footer__link {
  font-size: var(--text-sm);
}

.footer__link:hover {
  color: white;
  text-decoration: underline;
}

.footer__legal {
  text-align: center;
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
  margin: 0;
}

/* ============================================
   17. UTILITIES
   ============================================ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

@media (prefers-reduced-motion: reduce) {
  .hero__text {
    animation: none;
  }
}