/* ========================================
   Daisuke Koizumi Accounting Office
   Main Stylesheet
   ======================================== */

/* CSS Variables */
:root {
  /* Colors */
  --color-primary: #1a365d;
  --color-primary-dark: #0f2442;
  --color-primary-light: #2c5282;
  --color-secondary: #4a5568;
  --color-secondary-light: #718096;
  --color-accent: #c9a227;
  --color-accent-light: #d4b03c;
  --color-background: #f7fafc;
  --color-background-alt: #edf2f7;
  --color-white: #ffffff;
  --color-text: #2d3748;
  --color-text-light: #4a5568;
  --color-border: #e2e8f0;
  --color-success: #38a169;
  --color-error: #e53e3e;
  --color-footer: #1a202c;
  
  /* Typography */
  --font-primary: 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', 'Yu Gothic', 'Meiryo', sans-serif;
  --font-heading: 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', 'Yu Gothic', 'Meiryo', sans-serif;
  
  /* 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;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;
  
  /* Container */
  --container-max: 1200px;
  --container-padding: 1rem;
}

/* ========================================
   Reset & Base Styles
   ======================================== */

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

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

body {
  font-family: var(--font-primary);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul, ol {
  list-style: none;
}

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

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* ========================================
   Typography
   ======================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-primary);
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

h5 {
  font-size: 1.125rem;
}

h6 {
  font-size: 1rem;
}

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

/* ========================================
   Layout
   ======================================== */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--spacing-3xl) 0;
}

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

.section__header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

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

.section__subtitle {
  color: var(--color-text-light);
  font-size: 1.125rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ========================================
   Header & Navigation
   ======================================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: var(--color-white);
  box-shadow: var(--shadow-md);
  z-index: 1000;
  transition: background-color var(--transition-normal);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo__text {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
}

.logo__text--en {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--color-secondary);
  display: block;
}

.nav {
  display: none;
}

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

.nav__link {
  font-weight: 500;
  color: var(--color-text);
  padding: var(--spacing-sm) 0;
  position: relative;
}

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

.nav__link:hover::after,
.nav__link--active::after {
  width: 100%;
}

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

/* Mobile Menu Button */
.menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: var(--spacing-sm);
}

.menu-toggle__bar {
  width: 24px;
  height: 2px;
  background-color: var(--color-primary);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.menu-toggle--active .menu-toggle__bar:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle--active .menu-toggle__bar:nth-child(2) {
  opacity: 0;
}

.menu-toggle--active .menu-toggle__bar:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Navigation */
.mobile-nav {
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  background-color: var(--color-white);
  box-shadow: var(--shadow-lg);
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: 999;
}

.mobile-nav--active {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.mobile-nav__list {
  padding: var(--spacing-lg);
}

.mobile-nav__item {
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav__link {
  display: block;
  padding: var(--spacing-md) 0;
  color: var(--color-text);
  font-weight: 500;
}

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

/* ========================================
   Hero Section
   ======================================== */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  background-color: var(--color-primary);
  overflow: hidden;
}

.hero__background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.2;
}

.hero__content {
  position: relative;
  z-index: 1;
  color: var(--color-white);
  max-width: 700px;
}

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

.hero__subtitle {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-lg);
  opacity: 0.9;
}

.hero__description {
  font-size: 1rem;
  margin-bottom: var(--spacing-xl);
  opacity: 0.8;
}

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

/* ========================================
   Buttons
   ======================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  text-align: center;
}

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

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

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

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

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

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

.btn--small {
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: 0.875rem;
}

.btn--large {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: 1.125rem;
}

/* ========================================
   Cards
   ======================================== */

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

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

.card__image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.card__content {
  padding: var(--spacing-lg);
}

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

.card__text {
  color: var(--color-text-light);
  font-size: 0.9375rem;
}

/* Service Card */
.service-card {
  display: flex;
  flex-direction: column;
}

.service-card__icon {
  width: 60px;
  height: 60px;
  background-color: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
}

.service-card__icon svg {
  width: 30px;
  height: 30px;
  fill: var(--color-white);
}

/* ========================================
   Grid Layouts
   ======================================== */

.grid {
  display: grid;
  gap: var(--spacing-xl);
}

.grid--2 {
  grid-template-columns: 1fr;
}

.grid--3 {
  grid-template-columns: 1fr;
}

.grid--4 {
  grid-template-columns: 1fr;
}

/* ========================================
   Features Section
   ======================================== */

.features {
  display: grid;
  gap: var(--spacing-xl);
}

.feature {
  text-align: center;
  padding: var(--spacing-xl);
}

.feature__icon {
  width: 80px;
  height: 80px;
  background-color: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-lg);
}

.feature__icon svg {
  width: 40px;
  height: 40px;
  fill: var(--color-white);
}

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

.feature__text {
  color: var(--color-text-light);
}

/* ========================================
   Forms
   ======================================== */

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

.form__title {
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.form__group {
  margin-bottom: var(--spacing-lg);
}

.form__label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.form__label--required::after {
  content: '（必須）';
  color: var(--color-error);
  font-size: 0.75rem;
  font-weight: 400;
  margin-left: var(--spacing-xs);
}

.form__input,
.form__textarea,
.form__select {
  width: 100%;
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-white);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form__input:focus,
.form__textarea:focus,
.form__select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26, 54, 93, 0.1);
}

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

.form__textarea {
  min-height: 120px;
  resize: vertical;
}

.form__error {
  color: var(--color-error);
  font-size: 0.875rem;
  margin-top: var(--spacing-xs);
}

.form__checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.form__checkbox input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  flex-shrink: 0;
}

.form__checkbox-label {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.5;
}

.form__checkbox-label a {
  color: var(--color-primary);
  text-decoration: underline;
}

.form__consent {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

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

/* ========================================
   Lead Form Section
   ======================================== */

.lead-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  padding: var(--spacing-3xl) 0;
}

.lead-section .form {
  max-width: 600px;
  margin: 0 auto;
}

.lead-section .section__header {
  color: var(--color-white);
}

.lead-section .section__title {
  color: var(--color-white);
}

.lead-section .section__subtitle {
  color: rgba(255, 255, 255, 0.8);
}

/* ========================================
   Contact Section
   ======================================== */

.contact-info {
  display: grid;
  gap: var(--spacing-xl);
}

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

.contact-info__icon {
  width: 50px;
  height: 50px;
  background-color: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-info__icon svg {
  width: 24px;
  height: 24px;
  fill: var(--color-white);
}

.contact-info__content h4 {
  margin-bottom: var(--spacing-xs);
}

.contact-info__content p {
  color: var(--color-text-light);
  margin-bottom: 0;
}

.contact-info__content a {
  color: var(--color-primary);
}

/* Map */
.map-container {
  width: 100%;
  height: 400px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* ========================================
   Services Page
   ======================================== */

.service-detail {
  display: grid;
  gap: var(--spacing-xl);
  align-items: center;
  padding: var(--spacing-2xl) 0;
  border-bottom: 1px solid var(--color-border);
}

.service-detail:last-child {
  border-bottom: none;
}

.service-detail__image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.service-detail__image img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.service-detail__content h3 {
  margin-bottom: var(--spacing-md);
}

.service-detail__list {
  margin-bottom: var(--spacing-lg);
}

.service-detail__list li {
  position: relative;
  padding-left: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

.service-detail__list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}

/* ========================================
   About Page
   ======================================== */

.about-hero {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: calc(var(--spacing-3xl) + 80px) 0 var(--spacing-3xl);
}

.about-hero__title {
  color: var(--color-white);
}

.about-content {
  padding: var(--spacing-3xl) 0;
}

.about-section {
  margin-bottom: var(--spacing-3xl);
}

.about-section:last-child {
  margin-bottom: 0;
}

.about-section h2 {
  margin-bottom: var(--spacing-lg);
}

.values-grid {
  display: grid;
  gap: var(--spacing-lg);
}

.value-card {
  background-color: var(--color-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border-left: 4px solid var(--color-accent);
}

.value-card h4 {
  margin-bottom: var(--spacing-sm);
}

/* ========================================
   Legal Pages
   ======================================== */

.legal-page {
  padding: calc(var(--spacing-3xl) + 80px) 0 var(--spacing-3xl);
}

.legal-page__header {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-3xl) 0;
  margin-top: -80px;
  padding-top: calc(var(--spacing-3xl) + 80px);
}

.legal-page__title {
  color: var(--color-white);
}

.legal-page__content {
  padding: var(--spacing-3xl) 0;
}

.legal-section {
  margin-bottom: var(--spacing-2xl);
}

.legal-section h2 {
  margin-bottom: var(--spacing-md);
}

.legal-section h3 {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.legal-section ul,
.legal-section ol {
  padding-left: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

.legal-section ul {
  list-style-type: disc;
}

.legal-section ol {
  list-style-type: decimal;
}

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

/* ========================================
   Footer
   ======================================== */

.footer {
  background-color: var(--color-footer);
  color: var(--color-white);
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer__grid {
  display: grid;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer__section h4 {
  color: var(--color-white);
  margin-bottom: var(--spacing-lg);
  font-size: 1.125rem;
}

.footer__logo {
  color: var(--color-white);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.footer__logo span {
  display: block;
  font-size: 0.75rem;
  font-weight: 400;
  opacity: 0.7;
}

.footer__text {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9375rem;
}

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

.footer__link {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
}

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

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9375rem;
}

.footer__contact-item svg {
  width: 18px;
  height: 18px;
  fill: var(--color-accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.footer__bottom {
  padding-top: var(--spacing-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__disclaimer {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.8125rem;
  margin-bottom: var(--spacing-md);
}

.footer__copyright {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
}

/* ========================================
   Cookie Consent Banner
   ======================================== */

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-white);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
  z-index: 9999;
  transform: translateY(100%);
  transition: transform var(--transition-normal);
}

.cookie-banner--active {
  transform: translateY(0);
}

.cookie-banner__inner {
  padding: var(--spacing-lg);
  max-width: var(--container-max);
  margin: 0 auto;
}

.cookie-banner__content {
  margin-bottom: var(--spacing-lg);
}

.cookie-banner__title {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-sm);
}

.cookie-banner__text {
  color: var(--color-text-light);
  font-size: 0.9375rem;
}

.cookie-banner__text a {
  color: var(--color-primary);
  text-decoration: underline;
}

.cookie-banner__options {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.cookie-option {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.cookie-option__checkbox {
  position: relative;
  width: 44px;
  height: 24px;
}

.cookie-option__checkbox input {
  opacity: 0;
  width: 0;
  height: 0;
}

.cookie-option__slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-border);
  border-radius: 24px;
  transition: background-color var(--transition-fast);
}

.cookie-option__slider::before {
  position: absolute;
  content: '';
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: var(--color-white);
  border-radius: 50%;
  transition: transform var(--transition-fast);
}

.cookie-option__checkbox input:checked + .cookie-option__slider {
  background-color: var(--color-primary);
}

.cookie-option__checkbox input:checked + .cookie-option__slider::before {
  transform: translateX(20px);
}

.cookie-option__checkbox input:disabled + .cookie-option__slider {
  background-color: var(--color-primary);
  cursor: not-allowed;
}

.cookie-option__label {
  font-weight: 500;
}

.cookie-option__label--disabled {
  color: var(--color-text-light);
}

.cookie-option__description {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  margin-left: auto;
}

.cookie-banner__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.cookie-banner__btn {
  flex: 1;
  min-width: 140px;
}

/* ========================================
   Page Header
   ======================================== */

.page-header {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: calc(var(--spacing-3xl) + 80px) 0 var(--spacing-2xl);
  text-align: center;
}

.page-header__title {
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
}

.page-header__subtitle {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.125rem;
}

/* ========================================
   Breadcrumbs
   ======================================== */

.breadcrumbs {
  padding: var(--spacing-md) 0;
  background-color: var(--color-background-alt);
}

.breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  font-size: 0.875rem;
}

.breadcrumbs__item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.breadcrumbs__item::after {
  content: '›';
  color: var(--color-text-light);
}

.breadcrumbs__item:last-child::after {
  display: none;
}

.breadcrumbs__link {
  color: var(--color-text-light);
}

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

.breadcrumbs__current {
  color: var(--color-primary);
}

/* ========================================
   Utility Classes
   ======================================== */

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

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.hidden {
  display: none !important;
}

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

/* ========================================
   Responsive Styles
   ======================================== */

/* Tablet (768px+) */
@media (min-width: 768px) {
  :root {
    --container-padding: 1.5rem;
  }
  
  h1 {
    font-size: 3rem;
  }
  
  h2 {
    font-size: 2.25rem;
  }
  
  .hero__title {
    font-size: 3rem;
  }
  
  .grid--2 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .service-detail {
    grid-template-columns: 1fr 1fr;
  }
  
  .service-detail--reverse .service-detail__image {
    order: 2;
  }
  
  .contact-info {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .values-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .cookie-banner__options {
    flex-direction: row;
    flex-wrap: wrap;
  }
  
  .cookie-banner__buttons {
    justify-content: flex-start;
  }
  
  .cookie-banner__btn {
    flex: 0 0 auto;
  }
}

/* Desktop (1024px+) */
@media (min-width: 1024px) {
  :root {
    --container-padding: 2rem;
  }
  
  .nav {
    display: block;
  }
  
  .menu-toggle {
    display: none;
  }
  
  .mobile-nav {
    display: none;
  }
  
  h1 {
    font-size: 3.5rem;
  }
  
  .hero__title {
    font-size: 3.5rem;
  }
  
  .hero__subtitle {
    font-size: 1.5rem;
  }
  
  .grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .grid--4 {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .footer__grid {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .contact-info {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .values-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Large Desktop (1280px+) */
@media (min-width: 1280px) {
  :root {
    --container-max: 1200px;
  }
}

/* Print Styles */
@media print {
  .header,
  .footer,
  .cookie-banner,
  .btn {
    display: none !important;
  }
  
  body {
    font-size: 12pt;
    line-height: 1.5;
  }
  
  a {
    text-decoration: underline;
  }
}

/* Accessibility - Focus Styles */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-sm) var(--spacing-md);
  z-index: 10000;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  :root {
    --color-border: #000;
  }
  
  .btn {
    border: 2px solid currentColor;
  }
}

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