/* Tandarts Utrecht Centrum - Modern Design System */

/* CSS Variables */
:root {
  /* Colors - Authentic warm palette from tandartsutrechtcentrum.nl */
  --color-primary: #726B64;
  --color-primary-dark: #5A544E;
  --color-primary-light: #F0EEEB;
  --color-accent: #5CD8DF;
  --color-accent-light: #E6F9FA;
  --color-beige: #B6B1A7;
  --color-text: #3D3D3D;
  --color-text-light: #6B6B6B;
  --color-white: #FFFFFF;
  --color-bg: #F8F7F5;
  --color-border: #E5E3E0;

  /* Typography */
  --font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 2.5rem;
  --font-size-4xl: 3rem;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);

  /* Container */
  --container-max: 1200px;
  --container-narrow: 800px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-white);
}

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

a {
  color: var(--color-primary-dark);
  text-decoration: none;
  transition: color 0.2s;
}

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

/* Typography */
h1, h2, h3, h4 {
  line-height: 1.2;
  font-weight: 600;
  color: var(--color-text);
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }

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

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

.container--narrow {
  max-width: var(--container-narrow);
}

.section {
  padding: var(--space-2xl) 0;
}

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

.section--primary {
  background: var(--color-primary-light);
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
}

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

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

.nav {
  display: none;
}

.nav--open {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-white);
  padding: var(--space-md);
  box-shadow: var(--shadow-md);
}

.nav__link {
  padding: var(--space-xs) 0;
  color: var(--color-text);
  font-weight: 500;
}

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

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: 0.2s;
}

@media (min-width: 768px) {
  .nav {
    display: flex;
    gap: var(--space-lg);
  }

  .nav-toggle {
    display: none;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-lg);
  font-size: var(--font-size-base);
  font-weight: 500;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
}

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

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

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

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

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

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

.btn--sm {
  padding: var(--space-xs) var(--space-md);
  font-size: var(--font-size-sm);
}

/* Hero */
.hero {
  position: relative;
  min-height: 40vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: var(--color-text);
  overflow: hidden;
}

.hero--image {
  background-size: cover;
  background-position: center;
}

.hero--image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(248, 247, 245, 0.75);
}

.hero--image {
  filter: grayscale(100%);
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 600px;
}

.hero__subtitle {
  font-size: var(--font-size-lg);
  opacity: 0.9;
  margin-bottom: var(--space-sm);
}

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

@media (min-width: 768px) {
  .hero__title {
    font-size: var(--font-size-4xl);
  }
}

.hero__text {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-lg);
  opacity: 0.9;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

/* Cards */
.card-grid {
  display: grid;
  gap: var(--space-lg);
}

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

@media (min-width: 1024px) {
  .card-grid--3 { grid-template-columns: repeat(3, 1fr); }
  .card-grid--4 { grid-template-columns: repeat(4, 1fr); }
}

.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}

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

.card__image {
  aspect-ratio: 16 / 10;
  object-fit: cover;
  width: 100%;
}

.card__body {
  padding: var(--space-md);
}

.card__title {
  margin-bottom: var(--space-xs);
}

.card__text {
  color: var(--color-text-light);
  margin-bottom: var(--space-sm);
}

.card--icon {
  text-align: center;
  padding: var(--space-lg);
}

/* Treatment cards - image background style */
.card--treatment {
  position: relative;
  min-height: 200px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-xl);
  background-size: cover;
  background-position: center right;
  overflow: hidden;
  filter: grayscale(100%);
  transition: filter 0.3s;
}

.card--treatment:hover {
  filter: grayscale(0);
  transform: none;
}

.card--treatment::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.7) 50%, rgba(255,255,255,0.3) 100%);
}

.card--treatment .card__title {
  position: relative;
  z-index: 1;
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.card--treatment .card__link {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-weight: 500;
  color: var(--color-text);
}

.card--treatment .card__link::after {
  content: '↘';
  font-size: 1.2em;
}

.card--treatment:hover .card__link {
  color: var(--color-primary);
}

/* Feature cards - smaller with background images */
.card--feature {
  position: relative;
  min-height: 140px;
  display: flex;
  align-items: flex-end;
  padding: var(--space-md);
  background-size: cover;
  background-position: center;
  overflow: hidden;
  filter: grayscale(100%);
  transition: filter 0.3s;
}

.card--feature:hover {
  filter: grayscale(0);
  transform: none;
}

.card--feature::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.2) 50%, transparent 100%);
}

.card--feature .card__title {
  position: relative;
  z-index: 1;
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--color-white);
  margin: 0;
}

/* Treatment grid - 2 columns */
.card-grid--treatments {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
}

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

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

.card__icon svg {
  width: 28px;
  height: 28px;
}

/* Consistent icon colors - warm beige palette */
.card--icon:nth-child(even) .card__icon {
  background: #F5F3F0;
  color: var(--color-primary);
}

.icon {
  width: 24px;
  height: 24px;
  display: inline-block;
  vertical-align: middle;
}

.icon--sm { width: 18px; height: 18px; }
.icon--lg { width: 32px; height: 32px; }

/* Split section */
.split {
  display: grid;
  gap: var(--space-xl);
  align-items: center;
}

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

  .split--reverse .split__content {
    order: -1;
  }
}

.split__image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-height: 300px;
}

.split__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  transition: filter 0.3s;
  max-height: 300px;
}

.split:hover .split__image img {
  filter: grayscale(0);
}

.split--no-hover .split__image img,
.split--no-hover:hover .split__image img {
  filter: grayscale(100%);
}

/* Forms */
.form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form-row {
  display: grid;
  gap: var(--space-md);
}

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

.form-label {
  font-weight: 500;
  font-size: var(--font-size-sm);
}

.form-input,
.form-textarea,
.form-select {
  padding: var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-family: inherit;
  transition: border-color 0.2s;
}

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

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

.form-required {
  color: #E07A5F;
}

/* CTA Banner */
.cta {
  background: var(--color-primary-light);
  color: var(--color-text);
  text-align: center;
  padding: var(--space-2xl) var(--space-md);
}

.cta__title {
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.cta__text {
  opacity: 0.9;
  margin-bottom: var(--space-lg);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Footer */
.footer {
  background: var(--color-text);
  color: var(--color-white);
  padding: var(--space-2xl) 0 var(--space-lg);
}

.footer__grid {
  display: grid;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

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

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

.footer__text {
  color: rgba(255,255,255,0.7);
  margin-bottom: var(--space-sm);
}

.footer__link {
  display: block;
  color: rgba(255,255,255,0.7);
  padding: var(--space-xs) 0;
}

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

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--space-lg);
  text-align: center;
  color: rgba(255,255,255,0.5);
  font-size: var(--font-size-sm);
}

/* Contact info */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact-info__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
}

.contact-info__icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-dark);
}

.contact-info__icon svg {
  width: 20px;
  height: 20px;
}

/* Utilities */
.text-center { text-align: center; }
.text-primary { color: var(--color-primary); }
.text-muted { color: var(--color-text-light); }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.mt-lg { margin-top: var(--space-lg); }
.mb-xs { margin-bottom: var(--space-xs); }
.mb-xl { margin-bottom: var(--space-xl); }

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

/* Service list */
.service-list {
  list-style: none;
}

.service-list li {
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.service-list li::before {
  content: '✓';
  color: var(--color-primary);
  font-weight: bold;
}

/* Opening hours */
.hours-table {
  width: 100%;
  border-collapse: collapse;
}

.hours-table td {
  padding: var(--space-xs) 0;
  border-bottom: 1px solid var(--color-border);
}

.hours-table td:last-child {
  text-align: right;
  color: var(--color-text-light);
}

/* Success message */
.success-box {
  background: var(--color-primary-light);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  max-width: 500px;
  margin: 0 auto;
}

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

.success-icon svg {
  width: 40px;
  height: 40px;
}

/* Page header */
.page-header {
  background: var(--color-primary-light);
  color: var(--color-text);
  padding: var(--space-2xl) 0;
  text-align: center;
}

.page-header__title {
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.page-header__subtitle {
  opacity: 0.9;
}

/* Pricing table */
.price-note {
  background: var(--color-primary-light);
  border-left: 4px solid var(--color-primary);
  padding: var(--space-md);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-lg);
}

/* Header actions */
.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.header__actions .btn {
  display: none;
}

@media (min-width: 768px) {
  .header__actions .btn {
    display: inline-flex;
  }
}

/* Language switcher */
.lang-switcher {
  display: flex;
  gap: 4px;
}

.lang-switcher a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  font-size: 16px;
  border-radius: var(--radius-sm);
  opacity: 0.6;
  transition: opacity 0.2s, transform 0.2s;
}

.lang-switcher a:hover {
  opacity: 1;
  transform: scale(1.1);
}

.lang-switcher a.lang-active {
  opacity: 1;
  background: var(--color-primary-light);
}

/* Team Grid */
.team-grid {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: repeat(2, 1fr);
}

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

@media (min-width: 1024px) {
  .team-grid {
    grid-template-columns: repeat(5, 1fr);
  }

  .team-grid--4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

.team-member {
  text-align: center;
}

.team-member__avatar {
  width: 100px;
  height: 100px;
  margin: 0 auto var(--space-sm);
  background: var(--color-primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-primary);
}

.team-member__name {
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.team-member__role {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

.team-member__photo {
  width: 180px;
  height: 180px;
  margin: 0 auto var(--space-sm);
  border-radius: var(--radius-lg);
  object-fit: cover;
  object-position: top;
}

.team-member__big {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin-top: var(--space-xs);
}

/* Treatment Sidebar Layout */
.treatment-layout {
  display: grid;
  gap: var(--space-xl);
}

@media (min-width: 768px) {
  .treatment-layout {
    grid-template-columns: 1fr 280px;
  }
}

.treatment-sidebar {
  order: 2;
}

@media (min-width: 768px) {
  .treatment-sidebar {
    order: 0;
  }
}

.treatment-sidebar__title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}

.sidebar-treatment {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm);
  border-radius: var(--radius-md);
  transition: background 0.2s;
}

.sidebar-treatment:hover {
  background: var(--color-bg);
}

.sidebar-treatment--active {
  background: var(--color-primary-light);
}

.sidebar-treatment__thumb {
  width: 50px;
  height: 35px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  filter: grayscale(100%);
}

.sidebar-treatment:hover .sidebar-treatment__thumb {
  filter: grayscale(0);
}

.sidebar-treatment__name {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text);
}

/* Social Media Icons */
.social-links {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  transition: background 0.2s;
}

.social-link:hover {
  background: rgba(255,255,255,0.2);
}

.social-link svg {
  width: 20px;
  height: 20px;
  color: var(--color-white);
}

/* Section with top border */
.section--bordered {
  border-top: 1px solid var(--color-border);
}

/* Compact intro section for treatments page */
.split--compact {
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .split--compact .split__image {
    max-height: 250px;
  }

  .split--compact .split__image img {
    max-height: 250px;
  }
}

/* External link indicator */
.external-link-box {
  text-align: center;
  padding: var(--space-2xl);
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  max-width: 500px;
  margin: 0 auto;
}

.external-link-box__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-lg);
  background: var(--color-primary-light);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-dark);
}

.external-link-box__icon svg {
  width: 32px;
  height: 32px;
}