/**
 * Skylorexium - Main Stylesheet
 * A responsive, accessible stylesheet for the Skylorexium website.
 * Following BEM methodology and mobile-first approach.
 */

/* -------------------------------------------------------------------------- */
/*                               CSS VARIABLES                                */
/* -------------------------------------------------------------------------- */
:root {
  /* Colors */
  --color-background: #E8F5E9;
  --color-accent: #689F38;
  --color-accent-light: #8BC34A;
  --color-accent-dark: #558B2F;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-text-lighter: #999999;
  --color-white: #FFFFFF;
  --color-black: #000000;
  --color-gray-light: #F5F5F5;
  --color-gray: #E0E0E0;
  --color-gray-dark: #BDBDBD;
  --color-error: #D32F2F;
  --color-success: #388E3C;
  
  /* Typography */
  --font-body: 'Open Sans', sans-serif;
  --font-heading: 'Montserrat', sans-serif;
  --font-size-base: 16px;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-md: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 700;
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --line-height-loose: 1.8;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;
  
  /* Borders */
  --border-radius-sm: 0.25rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 1rem;
  --border-radius-full: 9999px;
  --border-width-thin: 1px;
  --border-width-thick: 2px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.05), 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.05), 0 4px 6px rgba(0, 0, 0, 0.05);
  --shadow-focus: 0 0 0 3px rgba(104, 159, 56, 0.4);
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
  
  /* Container */
  --container-padding: var(--spacing-md);
  --container-max-width: 1200px;
  
  /* Z-index */
  --z-index-dropdown: 10;
  --z-index-sticky: 20;
  --z-index-fixed: 30;
  --z-index-modal-backdrop: 40;
  --z-index-modal: 50;
  --z-index-popover: 60;
  --z-index-tooltip: 70;
  
  /* Breakpoints */
  --breakpoint-xs: 0;
  --breakpoint-sm: 576px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 992px;
  --breakpoint-xl: 1200px;
}

/* Dark mode variables */
@media (prefers-color-scheme: dark) {
  :root {
    --color-background: #1B2819;
    --color-accent: #8BC34A;
    --color-accent-light: #AED581;
    --color-accent-dark: #689F38;
    --color-text: #F5F5F5;
    --color-text-light: #E0E0E0;
    --color-text-lighter: #BDBDBD;
    --color-gray-light: #333333;
    --color-gray: #4F4F4F;
    --color-gray-dark: #666666;
  }
}

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

html {
  font-size: var(--font-size-base);
  height: 100%;
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  background-color: var(--color-background);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  min-height: 100%;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: var(--font-size-3xl);
}

h2 {
  font-size: var(--font-size-2xl);
}

h3 {
  font-size: var(--font-size-xl);
}

@media (min-width: 768px) {
  h1 {
    font-size: var(--font-size-4xl);
  }
  
  h2 {
    font-size: var(--font-size-3xl);
  }
  
  h3 {
    font-size: var(--font-size-2xl);
  }
}

p {
  margin-bottom: var(--spacing-md);
}

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

a:hover, 
a:focus {
  color: var(--color-accent-dark);
  text-decoration: underline;
}

a:focus {
  outline: none;
}

.keyboard-navigation a:focus,
.keyboard-navigation button:focus,
.keyboard-navigation input:focus,
.keyboard-navigation textarea:focus,
.keyboard-navigation select:focus,
.keyboard-navigation [tabindex]:focus {
  box-shadow: var(--shadow-focus);
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

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

ul, ol {
  list-style-position: inside;
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-md);
}

button, 
input, 
select, 
textarea {
  font-family: inherit;
  font-size: 100%;
  line-height: 1.15;
}

button {
  background: none;
  border: none;
  cursor: pointer;
}

.container {
  margin-left: auto;
  margin-right: auto;
  max-width: var(--container-max-width);
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
  width: 100%;
}

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

.skip-link {
  background-color: var(--color-accent);
  color: var(--color-white);
  font-weight: var(--font-weight-bold);
  left: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  position: absolute;
  top: -100px;
  transition: top var(--transition-normal);
  z-index: var(--z-index-tooltip);
}

.skip-link:focus {
  top: var(--spacing-md);
}

.no-scroll {
  overflow: hidden;
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .reduced-motion .testimonials__slider {
    scroll-behavior: auto;
  }
  
  .reduced-motion .back-to-top--visible {
    transition: none;
  }
  
  .reduced-motion .accordion__content {
    transition: none;
  }
}

/* -------------------------------------------------------------------------- */
/*                              UTILITY CLASSES                               */
/* -------------------------------------------------------------------------- */
.section-title {
  margin-bottom: var(--spacing-xl);
  position: relative;
  text-align: center;
}

.section-title::after {
  background-color: var(--color-accent);
  bottom: -10px;
  content: '';
  height: 3px;
  left: 50%;
  margin-left: -30px;
  position: absolute;
  width: 60px;
}

/* -------------------------------------------------------------------------- */
/*                                 COMPONENTS                                 */
/* -------------------------------------------------------------------------- */

/* Header */
header {
  background-color: var(--color-white);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 0;
  z-index: var(--z-index-sticky);
}

@media (prefers-color-scheme: dark) {
  header {
    background-color: var(--color-gray-light);
  }
}

.header__container {
  align-items: center;
  display: flex;
  justify-content: space-between;
}

.header__logo {
  height: 40px;
  width: auto;
}

/* Navigation */
.nav-toggle {
  display: block;
  height: 24px;
  position: relative;
  width: 30px;
  z-index: var(--z-index-dropdown);
}

.nav-toggle__icon,
.nav-toggle__icon::before,
.nav-toggle__icon::after {
  background-color: var(--color-accent);
  content: '';
  height: 3px;
  left: 0;
  position: absolute;
  transition: all var(--transition-normal);
  width: 100%;
}

.nav-toggle__icon {
  top: 50%;
  transform: translateY(-50%);
}

.nav-toggle__icon::before {
  top: -8px;
}

.nav-toggle__icon::after {
  bottom: -8px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__icon {
  background-color: transparent;
}

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

.nav-toggle[aria-expanded="true"] .nav-toggle__icon::after {
  bottom: 0;
  transform: rotate(-45deg);
}

.nav__menu {
  background-color: var(--color-white);
  box-shadow: var(--shadow-lg);
  height: 100vh;
  left: 0;
  list-style-type: none;
  margin: 0;
  opacity: 0;
  padding: var(--spacing-4xl) var(--spacing-xl) var(--spacing-xl);
  position: fixed;
  top: 0;
  transform: translateX(-100%);
  transition: transform var(--transition-normal), opacity var(--transition-normal);
  width: 80%;
  z-index: var(--z-index-fixed);
}

@media (prefers-color-scheme: dark) {
  .nav__menu {
    background-color: var(--color-gray-light);
  }
}

.nav__menu--active {
  opacity: 1;
  transform: translateX(0);
}

.nav__item {
  margin-bottom: var(--spacing-md);
}

.nav__link {
  color: var(--color-text);
  display: block;
  font-size: var(--font-size-lg);
  padding: var(--spacing-sm) 0;
  transition: color var(--transition-fast);
}

.nav__link:hover,
.nav__link:focus {
  color: var(--color-accent);
  text-decoration: none;
}

.nav__link--cta {
  background-color: var(--color-accent);
  border-radius: var(--border-radius-md);
  color: var(--color-white);
  font-weight: var(--font-weight-bold);
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: center;
}

.nav__link--cta:hover,
.nav__link--cta:focus {
  background-color: var(--color-accent-dark);
  color: var(--color-white);
}

@media (min-width: 992px) {
  .nav-toggle {
    display: none;
  }
  
  .nav__menu {
    background-color: transparent;
    box-shadow: none;
    display: flex;
    height: auto;
    opacity: 1;
    padding: 0;
    position: relative;
    transform: none;
    width: auto;
  }
  
  .nav__item {
    margin-bottom: 0;
    margin-left: var(--spacing-lg);
  }
  
  .nav__link {
    font-size: var(--font-size-md);
    padding: var(--spacing-sm) var(--spacing-sm);
  }
}

/* Buttons */
.btn {
  border: none;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  display: inline-block;
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-bold);
  padding: var(--spacing-md) var(--spacing-xl);
  text-align: center;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.btn:hover, 
.btn:focus {
  text-decoration: none;
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

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

.btn--primary:hover, 
.btn--primary:focus {
  background-color: var(--color-accent-dark);
  color: var(--color-white);
}

.btn--secondary {
  background-color: transparent;
  border: var(--border-width-thin) solid var(--color-accent);
  color: var(--color-accent);
}

.btn--secondary:hover, 
.btn--secondary:focus {
  background-color: var(--color-accent);
  color: var(--color-white);
}

/* Forms */
.form__group {
  margin-bottom: var(--spacing-md);
  position: relative;
}

.form__label {
  display: block;
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--spacing-xs);
}

.form__input {
  background-color: var(--color-white);
  border: var(--border-width-thin) solid var(--color-gray);
  border-radius: var(--border-radius-md);
  color: var(--color-text);
  font-size: var(--font-size-md);
  padding: var(--spacing-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  width: 100%;
}

@media (prefers-color-scheme: dark) {
  .form__input {
    background-color: var(--color-gray-light);
    border-color: var(--color-gray-dark);
    color: var(--color-text);
  }
}

.form__input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(104, 159, 56, 0.2);
  outline: none;
}

.form__input--error {
  border-color: var(--color-error);
}

.form__input--error:focus {
  box-shadow: 0 0 0 3px rgba(211, 47, 47, 0.2);
}

.form__error {
  color: var(--color-error);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-xs);
}

.form__textarea {
  min-height: 150px;
  resize: vertical;
}

.form__submit {
  margin-top: var(--spacing-md);
  width: 100%;
}

@media (min-width: 768px) {
  .form__submit {
    width: auto;
  }
}

/* Hero Section */
.hero {
  padding: var(--spacing-2xl) 0;
}

.hero__container {
  align-items: center;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.hero__content {
  max-width: 600px;
  text-align: center;
}

.hero__title {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-md);
}

.hero__subtitle {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xl);
}

.hero__image {
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 500px;
  overflow: hidden;
  width: 100%;
}

.hero__img {
  height: auto;
  transition: transform var(--transition-slow);
  width: 100%;
}

.hero__image:hover .hero__img {
  transform: scale(1.05);
}

@media (min-width: 992px) {
  .hero {
    padding: var(--spacing-4xl) 0;
  }
  
  .hero__container {
    flex-direction: row;
    justify-content: space-between;
  }
  
  .hero__content {
    text-align: left;
  }
  
  .hero__title {
    font-size: var(--font-size-5xl);
  }
}

/* About Section */
.about {
  background-color: var(--color-gray-light);
  padding: var(--spacing-2xl) 0;
}

.about__content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.about__text {
  max-width: 600px;
}

.about__image {
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 500px;
  overflow: hidden;
  width: 100%;
}

.about__img {
  height: auto;
  transition: transform var(--transition-slow);
  width: 100%;
}

.about__image:hover .about__img {
  transform: scale(1.05);
}

@media (min-width: 992px) {
  .about {
    padding: var(--spacing-4xl) 0;
  }
  
  .about__content {
    align-items: center;
    flex-direction: row;
    justify-content: space-between;
  }
}

/* Benefits Section */
.benefits {
  padding: var(--spacing-2xl) 0;
}

.benefits__grid {
  display: grid;
  gap: var(--spacing-lg);
  grid-template-columns: repeat(1, 1fr);
}

.benefit-card {
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-lg);
  text-align: center;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

@media (prefers-color-scheme: dark) {
  .benefit-card {
    background-color: var(--color-gray-light);
  }
}

.benefit-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
}

.benefit-card__icon {
  background-color: var(--color-accent-light);
  border-radius: var(--border-radius-full);
  color: var(--color-white);
  display: inline-flex;
  font-size: var(--font-size-2xl);
  height: 70px;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  width: 70px;
}

.benefit-card__icon i {
  align-self: center;
}

.benefit-card__title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-md);
}

.benefit-card__desc {
  color: var(--color-text-light);
  font-size: var(--font-size-md);
  margin-bottom: 0;
}

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

@media (min-width: 992px) {
  .benefits {
    padding: var(--spacing-4xl) 0;
  }
  
  .benefits__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Stats Section */
.stats {
  background-color: var(--color-accent);
  color: var(--color-white);
  padding: var(--spacing-2xl) 0;
}

.stats .section-title::after {
  background-color: var(--color-white);
}

.stats__grid {
  display: grid;
  gap: var(--spacing-lg);
  grid-template-columns: repeat(1, 1fr);
}

.stat-card {
  text-align: center;
}

.stat-card__number {
  font-family: var(--font-heading);
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-sm);
}

.stat-card__desc {
  font-size: var(--font-size-md);
  margin-bottom: 0;
}

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

@media (min-width: 992px) {
  .stats {
    padding: var(--spacing-3xl) 0;
  }
  
  .stats__grid {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .stat-card__number {
    font-size: var(--font-size-5xl);
  }
}

/* Process Section */
.process {
  padding: var(--spacing-2xl) 0;
}

.timeline {
  margin-bottom: var(--spacing-2xl);
  position: relative;
}

.timeline::before {
  background-color: var(--color-gray);
  bottom: 0;
  content: '';
  left: 20px;
  position: absolute;
  top: 0;
  width: 2px;
}

.timeline__item {
  margin-bottom: var(--spacing-xl);
  padding-left: 60px;
  position: relative;
}

.timeline__icon {
  align-items: center;
  background-color: var(--color-accent);
  border-radius: var(--border-radius-full);
  color: var(--color-white);
  display: flex;
  font-size: var(--font-size-lg);
  height: 40px;
  justify-content: center;
  left: 0;
  position: absolute;
  top: 0;
  width: 40px;
  z-index: 1;
}

.timeline__title {
  margin-bottom: var(--spacing-sm);
}

.timeline__desc {
  color: var(--color-text-light);
  margin-bottom: 0;
}

.process__image {
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  margin: 0 auto;
  max-width: 600px;
  overflow: hidden;
  width: 100%;
}

.process__img {
  height: auto;
  transition: transform var(--transition-slow);
  width: 100%;
}

.process__image:hover .process__img {
  transform: scale(1.05);
}

@media (min-width: 768px) {
  .timeline::before {
    left: 50%;
    margin-left: -1px;
  }
  
  .timeline__item {
    padding-left: 0;
  }
  
  .timeline__item:nth-child(odd) .timeline__content {
    margin-left: auto;
    padding-left: var(--spacing-2xl);
    padding-right: 0;
    text-align: left;
  }
  
  .timeline__item:nth-child(even) .timeline__content {
    margin-right: auto;
    padding-left: 0;
    padding-right: var(--spacing-2xl);
    text-align: right;
  }
  
  .timeline__content {
    position: relative;
    width: 50%;
  }
  
  .timeline__icon {
    left: 50%;
    margin-left: -20px;
  }
}

@media (min-width: 992px) {
  .process {
    padding: var(--spacing-4xl) 0;
  }
}

/* Testimonials Section */
.testimonials {
  background-color: var(--color-gray-light);
  padding: var(--spacing-2xl) 0;
}

.testimonials__slider {
  display: grid;
  gap: var(--spacing-lg);
  overflow: hidden;
  position: relative;
  width: 100%;
}

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

.testimonial-card {
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  height: 100%;
  transition: transform var(--transition-normal);
  width: 100%;
}

.testimonial-card:first-child {
  position: relative;
}

@media (prefers-color-scheme: dark) {
  .testimonial-card__content {
    background-color: var(--color-gray-light);
  }
}

.testimonial-card__text {
  font-style: italic;
  margin-bottom: var(--spacing-lg);
  position: relative;
}

.testimonial-card__author {
  align-items: center;
  display: flex;
}

.testimonial-card__avatar {
  border-radius: var(--border-radius-full);
  height: 60px;
  margin-right: var(--spacing-md);
  object-fit: cover;
  width: 60px;
}

.testimonial-card__name {
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-xs);
}

.testimonial-card__role {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  margin-bottom: 0;
}

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

.testimonials__prev,
.testimonials__next {
  background-color: var(--color-accent);
  border-radius: var(--border-radius-full);
  color: var(--color-white);
  height: 40px;
  transition: background-color var(--transition-fast);
  width: 40px;
}

.testimonials__prev:hover,
.testimonials__next:hover,
.testimonials__prev:focus,
.testimonials__next:focus {
  background-color: var(--color-accent-dark);
}

.testimonials__dots {
  display: flex;
  margin: 0 var(--spacing-md);
}

.testimonials__dot {
  background-color: var(--color-gray-dark);
  border-radius: var(--border-radius-full);
  height: 10px;
  margin: 0 var(--spacing-xs);
  transition: background-color var(--transition-fast), transform var(--transition-fast);
  width: 10px;
}

.testimonials__dot--active {
  background-color: var(--color-accent);
  transform: scale(1.3);
}

.testimonials__dot:hover,
.testimonials__dot:focus {
  background-color: var(--color-accent-light);
}

@media (min-width: 992px) {
  .testimonials {
    padding: var(--spacing-4xl) 0;
  }
}

/* FAQ Section */
.faq {
  padding: var(--spacing-2xl) 0;
}

.faq__grid {
  display: grid;
  gap: var(--spacing-md);
  grid-template-columns: 1fr;
}

.accordion {
  background-color: var(--color-white);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

@media (prefers-color-scheme: dark) {
  .accordion {
    background-color: var(--color-gray-light);
  }
}

.accordion__title {
  margin: 0;
}

.accordion__trigger {
  align-items: center;
  cursor: pointer;
  display: flex;
  font-family: var(--font-heading);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-bold);
  justify-content: space-between;
  padding: var(--spacing-lg);
  position: relative;
  text-align: left;
  width: 100%;
}

.accordion__icon {
  position: relative;
  height: 16px;
  transition: transform var(--transition-normal);
  width: 16px;
}

.accordion__icon::before,
.accordion__icon::after {
  background-color: var(--color-accent);
  content: '';
  height: 2px;
  left: 0;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  transition: transform var(--transition-normal);
  width: 100%;
}

.accordion__icon::after {
  transform: translateY(-50%) rotate(90deg);
}

.accordion__trigger[aria-expanded="true"] .accordion__icon::after {
  transform: translateY(-50%) rotate(0);
}

.accordion__content {
  max-height: 0;
  overflow: hidden;
  padding: 0 var(--spacing-lg);
  transition: max-height var(--transition-normal), padding var(--transition-normal);
}

.accordion__trigger[aria-expanded="true"] + .accordion__content {
  max-height: 1000px;
  padding-bottom: var(--spacing-lg);
}

@media (min-width: 992px) {
  .faq {
    padding: var(--spacing-4xl) 0;
  }
}

/* Contact Section */
.contact {
  padding: var(--spacing-2xl) 0;
}

.contact__content {
  display: grid;
  gap: var(--spacing-xl);
  grid-template-columns: 1fr;
}

.contact__info {
  max-width: 500px;
}

.contact__details {
  list-style-type: none;
  margin: var(--spacing-lg) 0;
  padding: 0;
}

.contact__item {
  align-items: flex-start;
  display: flex;
  margin-bottom: var(--spacing-md);
}

.contact__item i {
  color: var(--color-accent);
  font-size: var(--font-size-lg);
  margin-right: var(--spacing-md);
  margin-top: 3px;
}

.contact__form {
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-xl);
}

@media (prefers-color-scheme: dark) {
  .contact__form {
    background-color: var(--color-gray-light);
  }
}

@media (min-width: 992px) {
  .contact {
    padding: var(--spacing-4xl) 0;
  }
  
  .contact__content {
    grid-template-columns: 1fr 1fr;
  }
}

/* Success Page */
.success {
  padding: var(--spacing-2xl) 0;
}

.success__content {
  margin: 0 auto;
  max-width: 600px;
  text-align: center;
}

.success__icon {
  color: var(--color-success);
  font-size: var(--font-size-5xl);
  margin-bottom: var(--spacing-lg);
}

.success__title {
  margin-bottom: var(--spacing-md);
}

.success__message {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xl);
}

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

.success__image {
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  margin: var(--spacing-xl) auto 0;
  max-width: 600px;
  overflow: hidden;
  width: 100%;
}

.success__img {
  height: auto;
  transition: transform var(--transition-slow);
  width: 100%;
}

.success__image:hover .success__img {
  transform: scale(1.05);
}

/* Related Section */
.related {
  background-color: var(--color-gray-light);
  padding: var(--spacing-2xl) 0;
}

.related__subtitle {
  margin-bottom: var(--spacing-xl);
  text-align: center;
}

.related__grid {
  display: grid;
  gap: var(--spacing-lg);
  grid-template-columns: repeat(1, 1fr);
}

.related-card {
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-lg);
  text-align: center;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

@media (prefers-color-scheme: dark) {
  .related-card {
    background-color: var(--color-gray-light);
  }
}

.related-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
}

.related-card__icon {
  background-color: var(--color-accent-light);
  border-radius: var(--border-radius-full);
  color: var(--color-white);
  display: inline-flex;
  font-size: var(--font-size-xl);
  height: 60px;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  width: 60px;
}

.related-card__icon i {
  align-self: center;
}

.related-card__title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-md);
}

.related-card__desc {
  color: var(--color-text-light);
  font-size: var(--font-size-md);
  margin-bottom: var(--spacing-md);
}

.related-card__link {
  color: var(--color-accent);
  display: inline-block;
  font-weight: var(--font-weight-bold);
  position: relative;
}

.related-card__link::after {
  background-color: var(--color-accent);
  bottom: -2px;
  content: '';
  height: 2px;
  left: 0;
  position: absolute;
  transition: width var(--transition-fast);
  width: 0;
}

.related-card__link:hover::after,
.related-card__link:focus::after {
  width: 100%;
}

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

/* Page Header for Standard Pages */
.page-header {
  background-color: var(--color-accent);
  color: var(--color-white);
  padding: var(--spacing-2xl) 0;
  text-align: center;
}

.page-header__title {
  margin-bottom: 0;
}

/* Content Block for Standard Pages */
.page-content {
  padding: var(--spacing-2xl) 0;
}

.content-block {
  margin-bottom: var(--spacing-2xl);
}

.content-block:last-child {
  margin-bottom: 0;
}

.content-block h2 {
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
}

.content-block h3 {
  margin-bottom: var(--spacing-sm);
  margin-top: var(--spacing-lg);
}

/* Footer */
footer {
  background-color: var(--color-text);
  color: var(--color-white);
  padding-top: var(--spacing-2xl);
  position: relative;
}

.footer__container {
  display: grid;
  gap: var(--spacing-xl);
  grid-template-columns: repeat(1, 1fr);
}

.footer__logo {
  height: 40px;
  margin-bottom: var(--spacing-md);
  width: auto;
}

.footer__slogan {
  color: var(--color-gray);
  margin-bottom: var(--spacing-lg);
}

.footer__social {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.social-link {
  align-items: center;
  background-color: var(--color-gray-dark);
  border-radius: var(--border-radius-full);
  color: var(--color-text);
  display: flex;
  height: 40px;
  justify-content: center;
  transition: background-color var(--transition-fast), color var(--transition-fast);
  width: 40px;
}

.social-link:hover,
.social-link:focus {
  background-color: var(--color-accent);
  color: var(--color-white);
}

.footer__title {
  color: var(--color-white);
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-md);
}

.footer__links {
  list-style-type: none;
  margin: 0;
  padding: 0;
}

.footer__links li {
  margin-bottom: var(--spacing-sm);
}

.footer__links a {
  color: var(--color-gray);
  transition: color var(--transition-fast);
}

.footer__links a:hover,
.footer__links a:focus {
  color: var(--color-white);
  text-decoration: none;
}

.footer__form {
  margin-top: var(--spacing-md);
}

.footer__form .btn:hover {
  transform: none;
}

.footer__form .form__group {
  display: flex;
  flex-direction: column;
}

.footer__form .form__input {
  margin-bottom: var(--spacing-sm);
}

.footer__bottom {
  background-color: rgba(0, 0, 0, 0.2);
  margin-top: var(--spacing-2xl);
  padding: var(--spacing-md) 0;
  text-align: center;
}

.footer__copyright {
  color: var(--color-gray);
  font-size: var(--font-size-sm);
  margin-bottom: 0;
}

.back-to-top {
  align-items: center;
  background-color: var(--color-accent);
  border-radius: var(--border-radius-full);
  bottom: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  color: var(--color-white);
  display: flex;
  height: 50px;
  justify-content: center;
  opacity: 0;
  position: fixed;
  right: var(--spacing-xl);
  transform: translateY(20px);
  transition: opacity var(--transition-normal), transform var(--transition-normal), background-color var(--transition-fast);
  visibility: hidden;
  width: 50px;
  z-index: var(--z-index-fixed);
}

.back-to-top--visible {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
}

.back-to-top:hover,
.back-to-top:focus {
  background-color: var(--color-accent-dark);
  color: var(--color-white);
  text-decoration: none;
}

@media (min-width: 768px) {
  .footer__container {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer__form .form__group {
    flex-direction: row;
  }
  
  .footer__form .form__input {
    border-bottom-right-radius: 0;
    border-top-right-radius: 0;
    margin-bottom: 0;
  }
  
  .footer__form .btn {
    border-bottom-left-radius: 0;
    border-top-left-radius: 0;
  }
}

@media (min-width: 992px) {
  .footer__container {
    grid-template-columns: repeat(4, 1fr);
  }
}