/* ========================================
   Tadrco CPA - Main Stylesheet
   Japanese Tax & Consulting Firm
   ======================================== */

/* CSS Variables */
:root {
  /* Colors */
  --color-primary: #1a365d;
  --color-secondary: #2c5282;
  --color-accent: #3182ce;
  --color-background: #ffffff;
  --color-text: #2d3748;
  --color-text-light: #4a5568;
  --color-light-gray: #f7fafc;
  --color-border: #e2e8f0;
  --color-success: #38a169;
  --color-error: #e53e3e;
  
  /* Typography */
  --font-family: 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', 'Yu Gothic', 'Meiryo', sans-serif;
  --font-size-base: 16px;
  --font-size-sm: 14px;
  --font-size-lg: 18px;
  --font-size-xl: 20px;
  --font-size-2xl: 24px;
  --font-size-3xl: 30px;
  --font-size-4xl: 36px;
  --font-size-5xl: 48px;
  
  /* 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;
  
  /* 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);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  
  /* Container */
  --container-max-width: 1200px;
}

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

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

body {
  font-family: var(--font-family);
  color: var(--color-text);
  background-color: var(--color-background);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul, ol {
  list-style: none;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-primary);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

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

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

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

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

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

.section__subtitle {
  text-align: center;
  color: var(--color-text-light);
  font-size: var(--font-size-lg);
  max-width: 600px;
  margin: 0 auto var(--spacing-2xl);
}

/* Header */
.header {
  background-color: var(--color-background);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
}

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

.logo {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo__icon {
  width: 40px;
  height: 40px;
  background-color: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--font-size-lg);
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.nav__list {
  display: flex;
  gap: var(--spacing-lg);
}

.nav__link {
  color: var(--color-text);
  font-weight: 500;
  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-normal);
}

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

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

/* Mobile Menu */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--spacing-sm);
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-primary);
  transition: var(--transition-fast);
}

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

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

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

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: white;
  padding: var(--spacing-3xl) 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('../assets/financial-services.jpg') center/cover no-repeat;
  opacity: 0.1;
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.hero__content {
  max-width: 600px;
}

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

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

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

.hero__image img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-base);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  cursor: pointer;
}

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

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

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

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

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

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

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

/* Cards */
.card {
  background-color: var(--color-background);
  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-lg);
}

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

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

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

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

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
}

/* Features */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
}

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

.feature__icon {
  width: 64px;
  height: 64px;
  background-color: var(--color-light-gray);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md);
  font-size: var(--font-size-2xl);
  color: var(--color-accent);
}

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

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

/* Lead Form */
.lead-form {
  background-color: var(--color-light-gray);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  max-width: 600px;
  margin: 0 auto;
}

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

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

.form-label {
  display: block;
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

.form-label--required::after {
  content: ' *';
  color: var(--color-error);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--spacing-md);
  font-size: var(--font-size-base);
  font-family: inherit;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  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-accent);
  box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.2);
}

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

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  cursor: pointer;
}

.form-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  cursor: pointer;
}

.form-checkbox__label {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  line-height: 1.5;
}

.form-checkbox__label a {
  color: var(--color-accent);
  text-decoration: underline;
}

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

.form-note {
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin-top: var(--spacing-md);
}

/* Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
}

.contact-info {
  padding: var(--spacing-xl);
}

.contact-info__item {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.contact-info__icon {
  width: 48px;
  height: 48px;
  background-color: var(--color-light-gray);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  color: var(--color-accent);
  flex-shrink: 0;
}

.contact-info__label {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xs);
}

.contact-info__value {
  font-weight: 500;
  color: var(--color-text);
}

/* Map */
.map-container {
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 300px;
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

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

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer__logo {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.footer__description {
  opacity: 0.8;
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-lg);
}

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

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

.footer__link {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: white;
}

.footer__contact-item {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-sm);
  opacity: 0.8;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: var(--spacing-xl);
  text-align: center;
}

.footer__disclaimer {
  font-size: var(--font-size-sm);
  opacity: 0.7;
  margin-bottom: var(--spacing-md);
}

.footer__copyright {
  font-size: var(--font-size-sm);
  opacity: 0.8;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-background);
  box-shadow: 0 -4px 6px rgba(0, 0, 0, 0.1);
  z-index: 9999;
  padding: var(--spacing-lg);
  transform: translateY(100%);
  transition: transform var(--transition-normal);
}

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

.cookie-banner__inner {
  max-width: var(--container-max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-xl);
}

.cookie-banner__content {
  flex: 1;
}

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

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

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

.cookie-banner__buttons {
  display: flex;
  gap: var(--spacing-md);
  flex-shrink: 0;
}

/* Cookie Settings Modal */
.cookie-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
}

.cookie-modal.show {
  display: flex;
}

.cookie-modal__content {
  background-color: var(--color-background);
  border-radius: var(--radius-lg);
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: var(--spacing-xl);
}

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

.cookie-modal__title {
  font-size: var(--font-size-2xl);
}

.cookie-modal__close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  font-size: var(--font-size-2xl);
  color: var(--color-text-light);
  cursor: pointer;
}

.cookie-category {
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
}

.cookie-category:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.cookie-category__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

.cookie-category__name {
  font-weight: 600;
}

.cookie-category__description {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

.cookie-toggle {
  position: relative;
  width: 48px;
  height: 24px;
}

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

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

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

.cookie-toggle input:checked + .cookie-toggle__slider {
  background-color: var(--color-accent);
}

.cookie-toggle input:checked + .cookie-toggle__slider::before {
  transform: translateX(24px);
}

.cookie-toggle input:disabled + .cookie-toggle__slider {
  opacity: 0.5;
  cursor: not-allowed;
}

.cookie-modal__buttons {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.cookie-modal__buttons .btn {
  flex: 1;
}

/* Page Header */
.page-header {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: white;
  padding: var(--spacing-3xl) 0;
  text-align: center;
}

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

.page-header__breadcrumb {
  font-size: var(--font-size-sm);
  opacity: 0.8;
}

.page-header__breadcrumb a {
  color: white;
  opacity: 0.8;
}

.page-header__breadcrumb a:hover {
  opacity: 1;
}

/* Content Page */
.content-page {
  padding: var(--spacing-3xl) 0;
}

.content-page__inner {
  max-width: 800px;
  margin: 0 auto;
}

.content-page h2 {
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-md);
}

.content-page h3 {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

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

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

.content-page ul {
  list-style-type: disc;
}

.content-page ol {
  list-style-type: decimal;
}

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

/* Service Detail */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
  margin-bottom: var(--spacing-3xl);
}

.service-detail:nth-child(even) {
  direction: rtl;
}

.service-detail:nth-child(even) > * {
  direction: ltr;
}

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

.service-detail__image img {
  width: 100%;
  height: auto;
}

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

.service-detail__title {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-md);
}

.service-detail__text {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
}

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

.service-detail__list li {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

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

/* Business Hours */
.business-hours {
  background-color: var(--color-light-gray);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  margin-top: var(--spacing-lg);
}

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

.business-hours__item {
  display: flex;
  justify-content: space-between;
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.business-hours__item:last-child {
  border-bottom: none;
}

/* Cookie Table */
.cookie-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--spacing-xl);
}

.cookie-table th,
.cookie-table td {
  padding: var(--spacing-md);
  text-align: left;
  border: 1px solid var(--color-border);
}

.cookie-table th {
  background-color: var(--color-light-gray);
  font-weight: 600;
}

.cookie-table tr:nth-child(even) {
  background-color: var(--color-light-gray);
}

/* Contact Box */
.contact-box {
  background-color: var(--color-light-gray);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-xl);
}

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

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

.contact-box__icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  color: var(--color-accent);
}

.contact-box__label {
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

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

/* Revenue Model */
.revenue-model {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

.revenue-model__item {
  background-color: var(--color-light-gray);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  text-align: center;
}

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

.revenue-model__title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
}

.revenue-model__text {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
}

/* Values Grid */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

.value-card {
  background-color: var(--color-light-gray);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  text-align: center;
}

.value-card__icon {
  width: 64px;
  height: 64px;
  background-color: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md);
  font-size: var(--font-size-2xl);
  color: white;
}

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

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

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: white;
  padding: var(--spacing-3xl) 0;
  text-align: center;
}

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

.cta-section__text {
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto var(--spacing-xl);
}

/* Data Collection List */
.data-list {
  list-style: none;
  padding: 0;
}

.data-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--color-border);
}

.data-list li:last-child {
  border-bottom: none;
}

.data-list__icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  color: var(--color-accent);
}

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

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

/* Visually Hidden */
.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 Design */
@media (max-width: 1024px) {
  :root {
    --font-size-5xl: 36px;
    --font-size-4xl: 30px;
    --font-size-3xl: 24px;
  }
  
  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero__content {
    max-width: 100%;
  }
  
  .hero__image {
    display: none;
  }
  
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .features {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .service-detail {
    grid-template-columns: 1fr;
  }
  
  .service-detail:nth-child(even) {
    direction: ltr;
  }
}

@media (max-width: 768px) {
  :root {
    --font-size-5xl: 28px;
    --font-size-4xl: 24px;
    --font-size-3xl: 20px;
    --font-size-2xl: 18px;
  }
  
  .nav__list {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-background);
    flex-direction: column;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
  }
  
  .nav__list.active {
    display: flex;
  }
  
  .mobile-menu-btn {
    display: flex;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .features {
    grid-template-columns: 1fr;
  }
  
  .footer__grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .cookie-banner__inner {
    flex-direction: column;
    text-align: center;
  }
  
  .cookie-banner__buttons {
    flex-direction: column;
    width: 100%;
  }
  
  .cookie-banner__buttons .btn {
    width: 100%;
  }
  
  .lead-form {
    padding: var(--spacing-lg);
  }
  
  .revenue-model {
    grid-template-columns: 1fr;
  }
  
  .values-grid {
    grid-template-columns: 1fr;
  }
  
  .cookie-table {
    font-size: var(--font-size-sm);
  }
  
  .cookie-table th,
  .cookie-table td {
    padding: var(--spacing-sm);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-md);
  }
  
  .section {
    padding: var(--spacing-2xl) 0;
  }
  
  .btn--large {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
  }
}

/* Print Styles */
@media print {
  .header,
  .footer,
  .cookie-banner,
  .cookie-modal {
    display: none;
  }
  
  .hero {
    background: none;
    color: var(--color-text);
  }
  
  .hero__title {
    color: var(--color-primary);
  }
}

/* Focus Styles for Accessibility */
a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

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

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