/* 
 * Frandovia - Ochtend Hardloopgroep met Lifestyle Coaching
 * Main stylesheet
 */

/* --- Variables --- */
:root {
  /* Colors */
  --color-white: #F5F5F5;
  --color-green: #2D6A4F;
  --color-coral: #FF6B6B;
  --color-yellow: #FFD93D;
  --color-dark: #333333;
  --color-gray: #777777;
  --color-light-gray: #EEEEEE;
  
  /* Typography */
  --font-primary: 'Montserrat', sans-serif;
  --font-secondary: 'Open Sans', sans-serif;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 4rem;
  --space-xxl: 8rem;
  
  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Breakpoints */
  --breakpoint-sm: 576px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 992px;
  --breakpoint-xl: 1200px;
}

/* --- Font Imports --- */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700&family=Open+Sans:wght@400;600&display=swap');

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

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

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

body {
  background-color: var(--color-white);
  color: var(--color-dark);
  font-family: var(--font-secondary);
  font-size: 1rem;
  line-height: 1.5;
  overflow-x: hidden;
}

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

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

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

ul {
  list-style: none;
}

button {
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  padding: 0;
}

/* --- Accessibility --- */
.skip-link {
  background: var(--color-dark);
  color: var(--color-white);
  left: 0;
  padding: var(--space-md);
  position: absolute;
  top: -100px;
  transition: transform var(--transition-fast);
  z-index: 100;
}

.skip-link:focus {
  top: 0;
  transform: translateY(0);
}

/* --- Layout --- */
.container {
  margin: 0 auto;
  max-width: 1200px;
  padding: 0 var(--space-md);
  width: 100%;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: var(--space-lg);
  text-align: center;
}

.section-subtitle {
  color: var(--color-gray);
  font-size: 1.1rem;
  margin-bottom: var(--space-xl);
  text-align: center;
}

.gradient-text {
  background: linear-gradient(90deg, var(--color-green) 0%, var(--color-coral) 100%);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  display: inline-block;
}

/* --- Buttons --- */
.button {
  align-items: center;
  border-radius: var(--radius-full);
  display: inline-flex;
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 600;
  justify-content: center;
  padding: var(--space-md) var(--space-lg);
  text-align: center;
  text-decoration: none;
  transition: all var(--transition-normal);
}

.button--primary {
  background-color: var(--color-green);
  border: 2px solid var(--color-green);
  color: var(--color-white);
}

.button--primary:hover,
.button--primary:focus {
  background-color: transparent;
  color: var(--color-green);
  text-decoration: none;
}

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

.button--secondary:hover,
.button--secondary:focus {
  background-color: var(--color-green);
  color: var(--color-white);
  text-decoration: none;
}

/* --- Icons --- */
.icon {
 
  height: 24px;
  width: 24px;
}

.icon--diamond {
  background: linear-gradient(90deg, var(--color-green) 0%, var(--color-coral) 100%);
  border-radius: var(--radius-sm);
  color: var(--color-white);
  display: inline-block;
  filter: drop-shadow(var(--shadow-sm));
  height: 40px;
  margin-bottom: var(--space-md);
  padding: var(--space-xs);
  position: relative;
  transform: rotate(45deg);
  width: 40px;
}

.icon--diamond svg {
  fill: currentColor;
  height: 100%;
  transform: rotate(-45deg);
  width: 100%;
}

/* --- Header & Navigation --- */
.header {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  left: 0;
  padding: var(--space-md) 0;
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
}

.header__container {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin: 0 auto;
  max-width: 1200px;
  padding: 0 var(--space-md);
}

.logo {
  display: block;
}

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

.nav {
  position: relative;
}

.nav__toggle {
  background-color: transparent;
  border: none;
  cursor: pointer;
  display: block;
  height: 32px;
  position: relative;
  width: 32px;
  z-index: 2000;
}

@media (min-width: 768px) {
  .nav__toggle {
    display: none;
  }
}

.nav__toggle-line {
  background-color: var(--color-dark);
  display: block;
  height: 2px;
  left: 4px;
  margin: 5px 0;
  position: relative;
  transition: all var(--transition-fast);
  width: 24px;
}

.nav__toggle[aria-expanded="true"] .nav__toggle-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav__toggle[aria-expanded="true"] .nav__toggle-line:nth-child(2) {
  opacity: 0;
}

.nav__toggle[aria-expanded="true"] .nav__toggle-line:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

.nav__menu {
  background-color: var(--color-white);
  display: flex;
  flex-direction: column;
  left: 0;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  padding: 0;
  position: fixed;
  right: 0;
  top: 100%;
  transition: all var(--transition-normal);
  visibility: hidden;
  z-index: 1000;
}

.nav__toggle[aria-expanded="true"] + .nav__menu {
  max-height: 400px;
  opacity: 1;
  padding: var(--space-md);
  visibility: visible;
}

@media (min-width: 768px) {
  .nav__menu {
    background-color: transparent;
    flex-direction: row;
    gap: var(--space-md);
    max-height: none;
    opacity: 1;
    overflow: visible;
    padding: 0;
    position: static;
    visibility: visible;
  }
}

.nav__link {
  color: var(--color-dark);
  display: block;
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 500;
  padding: var(--space-sm) var(--space-md);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.nav__link--highlighted {
  background-color: var(--color-green);
  border-radius: var(--radius-full);
  color: var(--color-white);
}

.nav__link--highlighted:hover,
.nav__link--highlighted:focus {
  background-color: var(--color-coral);
  color: var(--color-white);
}

/* --- Hero Section --- */
.hero {
  background: linear-gradient(135deg, rgba(45, 106, 79, 0.05) 0%, rgba(255, 107, 107, 0.05) 100%);
  min-height: 90vh;
  padding: calc(var(--space-xl) * 2) 0 var(--space-xl);
  position: relative;
}

.hero::before {
  background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect width="100" height="100" fill="white" fill-opacity="0.02"/><rect width="10" height="10" fill="white" fill-opacity="0.05"/></svg>');
  content: '';
  height: 100%;
  left: 0;
  opacity: 0.5;
  position: absolute;
  top: 0;
  width: 100%;
  z-index: 0;
}

.hero__container {
  align-items: center;
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  justify-content: space-between;
  position: relative;
  z-index: 1;
}

@media (min-width: 992px) {
  .hero__container {
    flex-direction: row;
  }
}

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

@media (min-width: 992px) {
  .hero__content {
    text-align: left;
  }
}

.hero__title {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
}

@media (min-width: 768px) {
  .hero__title {
    font-size: 3.5rem;
  }
}

.hero__subtitle {
  color: var(--color-gray);
  font-size: 1.2rem;
  margin-bottom: var(--space-lg);
}

.hero__collage {
  display: grid;
  grid-template-areas:
    "img1 img2"
    "img3 img3";
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: var(--space-md);
  position: relative;
  width: 100%;
  max-width: 500px;
}

.hero__image-container {
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
}

.hero__image-container--1 {
  grid-area: img1;
}

.hero__image-container--2 {
  grid-area: img2;
}

.hero__image-container--3 {
  grid-area: img3;
}

.hero__image {
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
  width: 100%;
}

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

/* --- Success Stories Section --- */
.success-stories {
  padding: var(--space-xl) 0;
  position: relative;
}

.success-stories__carousel {
  margin: 0 auto;
  max-width: 800px;
  position: relative;
}

.success-stories__item {
  display: none;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.success-stories__item:first-child {
  display: block;
  opacity: 1;
}

.success-stories__quote {
  background-color: rgba(255, 255, 255, 0.8);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin: 0;
  padding: var(--space-lg);
  position: relative;
  text-align: center;
}

.success-stories__quote::before {
  color: var(--color-green);
  content: '"';
  font-family: var(--font-primary);
  font-size: 4rem;
  left: var(--space-md);
  line-height: 1;
  opacity: 0.2;
  position: absolute;
  top: var(--space-md);
}

.success-stories__quote p {
  font-size: 1.2rem;
  font-style: italic;
  margin-bottom: var(--space-md);
  position: relative;
  z-index: 1;
}

.success-stories__quote footer {
  color: var(--color-gray);
  font-size: 1rem;
}

.carousel-controls {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  margin-top: var(--space-lg);
}

.carousel-control {
  align-items: center;
  background-color: var(--color-white);
  border: 2px solid var(--color-green);
  border-radius: var(--radius-full);
  color: var(--color-green);
  display: flex;
  height: 44px;
  justify-content: center;
  transition: all var(--transition-fast);
  width: 44px;
}

.carousel-control:hover,
.carousel-control:focus {
  background-color: var(--color-green);
  color: var(--color-white);
}

/* --- Program Section --- */
.program {
  background-color: var(--color-white);
  padding: var(--space-xl) 0;
}

.program__grid {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: 1fr;
}

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

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

.program__card {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.8) 0%, rgba(255, 255, 255, 0.4) 100%);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-lg);
  text-align: center;
  transition: transform var(--transition-normal);
}

.program__card:hover {
  transform: translateY(-10px);
}

.program__title {
  font-size: 1.2rem;
  margin-bottom: var(--space-md);
}

.program__description {
  color: var(--color-gray);
  font-size: 1rem;
}

/* --- Coach Profile --- */
.coach {
  background-color: var(--color-white);
  padding: var(--space-xl) 0;
}

.coach__profile {
  align-items: center;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .coach__profile {
    flex-direction: row;
  }
}

.coach__image-container {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  width: 100%;
  max-width: 400px;
}

.coach__image {
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
  width: 100%;
}

.coach__image-container:hover .coach__image {
  transform: scale(1.05);
}

.coach__content {
  flex: 1;
}

.coach__name {
  color: var(--color-dark);
  font-size: 1.8rem;
  margin-bottom: var(--space-xs);
}

.coach__title {
  color: var(--color-green);
  font-family: var(--font-primary);
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: var(--space-md);
}

.coach__bio {
  color: var(--color-dark);
  margin-bottom: var(--space-md);
}

.coach__quote {
  border-left: 4px solid var(--color-green);
  color: var(--color-dark);
  font-style: italic;
  padding-left: var(--space-md);
}

/* --- Weekly Routine --- */
.routine {
  background: linear-gradient(135deg, rgba(45, 106, 79, 0.05) 0%, rgba(255, 107, 107, 0.05) 100%);
  padding: var(--space-xl) 0;
  position: relative;
}

.routine__grid {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: 1fr;
}

@media (min-width: 576px) {
  .routine__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.routine__day {
  text-align: center;
}

.routine__day-title {
  font-size: 1.2rem;
  margin-bottom: var(--space-md);
}

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

.routine__card:hover {
  transform: translateY(-10px);
}

.routine__time {
  background: linear-gradient(90deg, var(--color-green) 0%, var(--color-coral) 100%);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  display: block;
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.routine__activity {
  color: var(--color-dark);
  font-size: 1.1rem;
  margin-bottom: var(--space-md);
}

.routine__description {
  color: var(--color-gray);
  font-size: 0.9rem;
}

/* --- Health Stats --- */
.health-stats {
  background-color: var(--color-white);
  padding: var(--space-xl) 0;
}

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

@media (min-width: 576px) {
  .stats__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

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

.stats__card:hover {
  transform: translateY(-10px);
}

.stats__chart {
  margin: 0 auto var(--space-lg);
  position: relative;
  width: 120px;
  height: 120px;
}

.stats__circle {
  height: 100%;
  transform: rotate(-90deg);
  width: 100%;
}

.stats__circle-bg {
  fill: none;
  stroke: var(--color-light-gray);
  stroke-width: 5;
}

.stats__circle-progress {
  fill: none;
  stroke: url(#stats-gradient);
  stroke-dasharray: 283;
  stroke-dashoffset: 283;
  stroke-linecap: round;
  stroke-width: 5;
  transition: stroke-dashoffset var(--transition-slow) ease-out;
}

.stats__percentage {
  align-items: center;
  color: var(--color-dark);
  display: flex;
  font-family: var(--font-primary);
  font-size: 2rem;
  font-weight: 700;
  height: 100%;
  justify-content: center;
  left: 0;
  position: absolute;
  top: 0;
  width: 100%;
}

.stats__symbol {
  color: var(--color-green);
  font-size: 1rem;
}

.stats__title {
  font-size: 1.1rem;
  margin-bottom: var(--space-sm);
}

.stats__description {
  color: var(--color-gray);
  font-size: 0.9rem;
}

/* --- Gallery --- */
.gallery {
  background-color: var(--color-white);
  padding: var(--space-xl) 0;
}

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

@media (min-width: 576px) {
  .gallery__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.gallery__item {
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
}

.gallery__image {
  aspect-ratio: 1 / 1;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
  width: 100%;
}

.gallery__overlay {
  align-items: center;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0) 100%);
  bottom: 0;
  display: flex;
  justify-content: center;
  left: 0;
  opacity: 0;
  padding: var(--space-md);
  position: absolute;
  right: 0;
  transition: opacity var(--transition-normal);
}

.gallery__item:hover .gallery__image {
  transform: scale(1.1);
}

.gallery__item:hover .gallery__overlay {
  opacity: 1;
}

.gallery__caption {
  color: var(--color-white);
  font-family: var(--font-primary);
  font-size: 1rem;
  text-align: center;
}

/* --- Membership --- */
.membership {
  background: linear-gradient(135deg, rgba(45, 106, 79, 0.05) 0%, rgba(255, 107, 107, 0.05) 100%);
  padding: var(--space-xl) 0;
  position: relative;
}

.membership__grid {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: 1fr;
  padding: var(--space-md) 0;
}

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

.membership__card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: var(--space-lg);
  position: relative;
  text-align: center;
  transition: transform var(--transition-normal);
}

.membership__card:hover {
  transform: translateY(-10px);
}

.membership__card--featured {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.85) 100%);
  border: 2px solid var(--color-green);
  box-shadow: var(--shadow-lg);
  transform: translateY(-10px);
  z-index: 10;
}

.membership__card--featured:hover {
  transform: translateY(-20px);
}

.membership__badge {
  background-color: var(--color-yellow);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  color: var(--color-dark);
  font-family: var(--font-primary);
  font-size: 0.9rem;
  font-weight: 600;
  left: 50%;
  padding: var(--space-xs) var(--space-md);
  position: absolute;
  top: 0;
  transform: translateX(-50%);
}

.membership__header {
  margin-bottom: var(--space-lg);
}

.membership__title {
  color: var(--color-dark);
  font-size: 1.5rem;
  margin-bottom: var(--space-xs);
}

.membership__price {
  color: var(--color-green);
  font-family: var(--font-primary);
  font-size: 2.5rem;
  font-weight: 700;
}

.membership__period {
  color: var(--color-gray);
  font-size: 1rem;
  font-weight: 400;
}

.membership__features {
  flex: 1;
  margin-bottom: var(--space-lg);
}

.membership__feature {
  border-bottom: 1px solid var(--color-light-gray);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
}

.membership__feature:last-child {
  border-bottom: none;
}

/* --- FAQ --- */
.faq {
  background-color: var(--color-white);
  padding: var(--space-xl) 0;
}

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

.faq__item {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-md);
  overflow: hidden;
}

.faq__question {
  align-items: center;
  background-color: var(--color-white);
  border: none;
  cursor: pointer;
  display: flex;
  font-family: var(--font-primary);
  font-size: 1.1rem;
  font-weight: 600;
  justify-content: space-between;
  padding: var(--space-md);
  text-align: left;
  transition: background-color var(--transition-fast);
  width: 100%;
}

.faq__question:hover {
  background-color: var(--color-light-gray);
}

.faq__answer {
  background-color: var(--color-white);
  max-height: 0;
  overflow: hidden;
  padding: 0 var(--space-md);
  transition: all var(--transition-normal);
}

.faq__question[aria-expanded="true"] + .faq__answer {
  max-height: 200px;
  padding: var(--space-md);
}

.faq__answer p {
  margin-bottom: 0;
}

/* --- Contact --- */
.contact {
  background: linear-gradient(135deg, rgba(45, 106, 79, 0.1) 0%, rgba(255, 107, 107, 0.1) 100%);
  padding: var(--space-xl) 0;
  position: relative;
}

.contact__container {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

@media (min-width: 768px) {
  .contact__container {
    flex-direction: row;
  }
}

.contact__content {
  flex: 1;
}

.contact__description {
  color: var(--color-dark);
  font-size: 1.1rem;
  margin-bottom: var(--space-lg);
  max-width: 500px;
}

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

.contact__info-item {
  align-items: center;
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.contact__info-item svg {
  flex-shrink: 0;
}

.contact__form-container {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  flex: 1;
  overflow: hidden;
  padding: var(--space-lg);
}

.contact__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form__group {
  margin-bottom: var(--space-md);
  position: relative;
}

.form__label {
  color: var(--color-dark);
  display: block;
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: var(--space-xs);
}

.form__input,
.form__select,
.form__textarea {
  background-color: var(--color-white);
  border: 2px solid var(--color-light-gray);
  border-radius: var(--radius-md);
  color: var(--color-dark);
  font-family: var(--font-secondary);
  font-size: 1rem;
  padding: var(--space-md);
  transition: border-color var(--transition-fast);
  width: 100%;
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
  border-color: var(--color-green);
  outline: none;
}

.form__input:invalid,
.form__select:invalid,
.form__textarea:invalid {
  border-color: var(--color-coral);
}

.form__error {
  color: var(--color-coral);
  display: block;
  font-size: 0.875rem;
  margin-top: var(--space-xs);
}

.form__group--checkbox {
  align-items: flex-start;
  display: flex;
  gap: var(--space-md);
}

.form__checkbox {
  appearance: none;
  background-color: var(--color-white);
  border: 2px solid var(--color-light-gray);
  border-radius: var(--radius-sm);
  cursor: pointer;
  height: 20px;
  margin-top: 2px;
  position: relative;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
  width: 20px;
}

.form__checkbox:checked {
  background-color: var(--color-green);
  border-color: var(--color-green);
}

.form__checkbox:checked::after {
  border-bottom: 2px solid var(--color-white);
  border-right: 2px solid var(--color-white);
  content: '';
  display: block;
  height: 10px;
  left: 6px;
  position: absolute;
  top: 2px;
  transform: rotate(45deg);
  width: 5px;
}

.form__checkbox-label {
  cursor: pointer;
  flex: 1;
  font-size: 0.9rem;
}

.form__action {
  margin-top: var(--space-md);
  text-align: center;
}

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

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

@media (min-width: 576px) {
  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .footer__grid {
    grid-template-columns: 2fr 1fr 1fr 2fr;
  }
}

.footer__branding {
  margin-bottom: var(--space-lg);
}

.footer__logo {
  filter: brightness(0) invert(1);
  height: 40px;
  margin-bottom: var(--space-md);
  width: auto;
}

.footer__slogan {
  color: var(--color-white);
  font-family: var(--font-primary);
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: var(--space-md);
}

.footer__address {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}

.footer__heading {
  color: var(--color-white);
  font-size: 1.2rem;
  margin-bottom: var(--space-md);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

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

.footer__cta {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}

.footer__cta p {
  margin-bottom: var(--space-md);
}

.footer__cta .button {
  background-color: transparent;
  border: 2px solid var(--color-white);
  color: var(--color-white);
}

.footer__cta .button:hover,
.footer__cta .button:focus {
  background-color: var(--color-white);
  color: var(--color-dark);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-md);
  text-align: center;
}

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

/* --- Back to Top --- */
.back-to-top {
  align-items: center;
  background-color: var(--color-green);
  border-radius: var(--radius-full);
  bottom: var(--space-lg);
  box-shadow: var(--shadow-md);
  color: var(--color-white);
  display: flex;
  height: 44px;
  justify-content: center;
  opacity: 0;
  position: fixed;
  right: var(--space-lg);
  transition: all var(--transition-normal);
  visibility: hidden;
  width: 44px;
  z-index: 900;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover,
.back-to-top:focus {
  background-color: var(--color-coral);
  color: var(--color-white);
  text-decoration: none;
  transform: translateY(-5px);
}

.back-to-top svg {
  fill: white;
}

/* --- Standard Pages --- */
.standard-page {
  padding: calc(var(--space-xl) * 2) 0 var(--space-xl);
}

.standard-page__header {
  margin-bottom: var(--space-xl);
  text-align: center;
}

.standard-page__title {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
}

.standard-page__content {
  line-height: 1.6;
  margin: 0 auto;
  max-width: 800px;
}

.standard-page__content h2 {
  font-size: 1.8rem;
  margin-bottom: var(--space-md);
  margin-top: var(--space-xl);
}

.standard-page__content h3 {
  font-size: 1.4rem;
  margin-bottom: var(--space-md);
  margin-top: var(--space-lg);
}

.standard-page__content p {
  margin-bottom: var(--space-md);
}

.standard-page__content ul {
  list-style: disc inside;
  margin-bottom: var(--space-md);
}

.standard-page__content ol {
  list-style: decimal inside;
  margin-bottom: var(--space-md);
}

.standard-page__content li {
  margin-bottom: var(--space-sm);
}

/* --- Success Page --- */
.success-page {
  align-items: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 80vh;
  padding: var(--space-xl) 0;
  text-align: center;
}

.success-page__icon {
  align-items: center;
  background-color: var(--color-green);
  border-radius: var(--radius-full);
  color: var(--color-white);
  display: flex;
  height: 80px;
  justify-content: center;
  margin: 0 auto var(--space-lg);
  width: 80px;
}

.success-page__title {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
}

.success-page__message {
  color: var(--color-gray);
  font-size: 1.2rem;
  margin: 0 auto var(--space-lg);
  max-width: 600px;
}

/* --- Responsive adjustments --- */
@media (max-width: 575px) {
  .section-title {
    font-size: 2rem;
  }
  
  .hero__title {
    font-size: 2rem;
  }
  
  .hero__subtitle {
    font-size: 1rem;
  }
  
  .contact__form-container {
    padding: var(--space-md);
  }
}

/* --- Accessibility --- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001s !important;
  }
}