/* ===================================
   TSM合同会社 - Corporate Website
   Design: Refined Japanese Minimalism
   =================================== */

/* --- CSS Variables --- */
:root {
  /* Colors */
  --color-primary: #1e3a5f;
  --color-primary-dark: #152a45;
  --color-accent: #b83a3a;
  --color-accent-hover: #9a2e2e;
  --color-gold: #8b7355;
  --color-bg: #fafaf9;
  --color-bg-alt: #f5f4f2;
  --color-text: #2d3436;
  --color-text-light: #636e72;
  --color-border: #e0dfdd;
  --color-white: #ffffff;
  
  /* Typography */
  --font-serif: 'Shippori Mincho', 'Yu Mincho', serif;
  --font-sans: 'Noto Sans JP', 'Hiragino Sans', sans-serif;
  --font-accent: 'Cormorant Garamond', serif;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-xxl: 8rem;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Layout */
  --max-width: 1200px;
  --header-height: 80px;
}

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

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

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text);
  background-color: var(--color-bg);
  font-feature-settings: "palt";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.05em;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
}

p {
  margin-bottom: 1em;
}

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

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

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

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

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

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

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

/* --- Section Header --- */
.section-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.section-header__title {
  position: relative;
  display: inline-block;
  padding-bottom: var(--space-sm);
}

.section-header__title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-gold));
}

.section-header__subtitle {
  margin-top: var(--space-sm);
  color: var(--color-text-light);
  font-size: 1rem;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  padding: 1em 2.5em;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  border: none;
  border-radius: 2px;
  cursor: pointer;
  transition: all var(--transition-base);
}

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

.btn--primary:hover {
  background-color: var(--color-accent-hover);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(184, 58, 58, 0.3);
}

.btn--outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

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

.btn--large {
  padding: 1.2em 3em;
  font-size: 1.05rem;
}

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: rgba(250, 250, 249, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: all var(--transition-base);
}

.header--scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.header__logo-img {
  height: 36px;
  width: auto;
}

.header__logo-text {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.1em;
}

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

.nav__list {
  display: flex;
  list-style: none;
  gap: var(--space-md);
}

.nav__link {
  position: relative;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: 0.05em;
  padding: 0.5em 0;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-accent);
  transition: width var(--transition-base);
}

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

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

/* Mobile Menu Toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav__toggle-bar {
  width: 24px;
  height: 2px;
  background-color: var(--color-primary);
  transition: all var(--transition-base);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: url('../images/hero-bg.svg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero__bg-pattern {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(250, 250, 249, 0.85) 0%, rgba(250, 250, 249, 0.7) 50%, rgba(250, 250, 249, 0.6) 100%);
}

.hero__bg-lines {
  position: absolute;
  right: -10%;
  top: 50%;
  transform: translateY(-50%);
  width: 60%;
  height: 80%;
  opacity: 0.4;
}

.hero__bg-lines svg {
  width: 100%;
  height: 100%;
}

.hero__content {
  max-width: 700px;
  padding: var(--space-xl) 0;
}

.hero__label {
  display: inline-block;
  font-family: var(--font-accent);
  font-size: 0.9rem;
  font-style: italic;
  color: var(--color-gold);
  letter-spacing: 0.2em;
  margin-bottom: var(--space-sm);
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards;
}

.hero__title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  color: var(--color-primary);
  margin-bottom: var(--space-md);
  opacity: 0;
  animation: fadeInUp 0.8s ease 0.2s forwards;
}

.hero__title-accent {
  color: var(--color-accent);
}

.hero__description {
  font-size: 1.15rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-lg);
  max-width: 560px;
  opacity: 0;
  animation: fadeInUp 0.8s ease 0.4s forwards;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  opacity: 0;
  animation: fadeInUp 0.8s ease 0.6s forwards;
}

/* --- Problems Section --- */
.problems {
  background-color: var(--color-primary);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.problems::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
}

.problems .section-header__title {
  color: var(--color-white);
}

.problems .section-header__title::after {
  background: linear-gradient(90deg, var(--color-gold), rgba(255,255,255,0.3));
}

.problems__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-md);
}

.problem-card {
  padding: var(--space-md);
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  transition: all var(--transition-base);
}

.problem-card:hover {
  background-color: rgba(255, 255, 255, 0.08);
  transform: translateY(-4px);
}

.problem-card__icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-sm);
  color: var(--color-gold);
}

.problem-card__text {
  font-size: 1rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.9);
}

/* --- Services Section --- */
.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: var(--space-md);
}

.service-card {
  position: relative;
  padding: var(--space-lg) var(--space-md);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  transition: all var(--transition-base);
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 0;
  background: linear-gradient(180deg, var(--color-accent), var(--color-gold));
  transition: height var(--transition-base);
}

.service-card:hover {
  border-color: transparent;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
  transform: translateY(-4px);
}

.service-card:hover::before {
  height: 100%;
}

.service-card__icon {
  width: 56px;
  height: 56px;
  margin-bottom: var(--space-sm);
  color: var(--color-primary);
}

.service-card__title {
  font-size: 1.25rem;
  margin-bottom: var(--space-xs);
  color: var(--color-primary);
}

.service-card__description {
  font-size: 0.95rem;
  color: var(--color-text-light);
  margin-bottom: 0;
}

/* --- Why Choose Us Section --- */
.why__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.why__text h2 {
  margin-bottom: var(--space-md);
  color: var(--color-primary);
}

.why__text p {
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

.why__list {
  list-style: none;
}

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

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

.why__item-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  color: var(--color-accent);
  margin-top: 2px;
}

.why__item-text {
  font-size: 1rem;
}

.why__visual {
  position: relative;
}

.why__card {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  padding: var(--space-lg);
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}

.why__card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
}

.why__card-label {
  font-family: var(--font-accent);
  font-style: italic;
  color: var(--color-gold);
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-xs);
}

.why__card-title {
  font-size: 1.75rem;
  margin-bottom: var(--space-sm);
}

.why__card-text {
  font-size: 1rem;
  opacity: 0.9;
  line-height: 1.8;
}

/* --- Cases Section --- */
.cases__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-md);
}

.case-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  overflow: hidden;
  transition: all var(--transition-base);
}

.case-card:hover {
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
  transform: translateY(-4px);
}

.case-card__header {
  padding: var(--space-sm) var(--space-md);
  background-color: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}

.case-card__label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-gold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

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

.case-card__title {
  font-size: 1.1rem;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.case-card__description {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: 0;
}

/* --- Blog Section --- */
.blog__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-md);
}

.blog-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  overflow: hidden;
  transition: all var(--transition-base);
}

.blog-card:hover {
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
  transform: translateY(-4px);
}

.blog-card__image {
  height: 180px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  position: relative;
  overflow: hidden;
  background-size: cover;
  background-position: center;
}

/* Category-specific blog images */
.blog-card__image--market-trends {
  background-image: url('../images/blog-market-trends.svg');
}

.blog-card__image--practical-guide {
  background-image: url('../images/blog-practical-guide.svg');
}

.blog-card__image--legal-tax {
  background-image: url('../images/blog-legal-tax.svg');
}

.blog-card__image--hr-labor {
  background-image: url('../images/blog-hr-labor.svg');
}

.blog-card__image--culture {
  background-image: url('../images/blog-culture.svg');
}

.blog-card__image--market-analysis {
  background-image: url('../images/blog-market-analysis.svg');
}

.blog-card__image-pattern {
  display: none; /* Hide pattern when using category images */
}

.blog-card__category {
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
  padding: 0.3em 0.8em;
  background-color: var(--color-accent);
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  border-radius: 2px;
}

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

.blog-card__date {
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-xs);
}

.blog-card__title {
  font-size: 1.1rem;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
  line-height: 1.5;
}

.blog-card__excerpt {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog__more {
  text-align: center;
  margin-top: var(--space-lg);
}

/* --- CTA Section --- */
.cta {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
}

.cta__content {
  position: relative;
  z-index: 1;
}

.cta__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: var(--space-sm);
}

.cta__subtitle {
  font-size: 1.1rem;
  opacity: 0.9;
  margin-bottom: var(--space-lg);
}

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

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

/* --- Footer --- */
.footer {
  background-color: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.8);
  padding: var(--space-xl) 0 var(--space-md);
}

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

.footer__brand {
  max-width: 300px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: var(--space-sm);
}

.footer__logo-img {
  height: 32px;
}

.footer__logo-text {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-white);
  letter-spacing: 0.1em;
}

.footer__description {
  font-size: 0.9rem;
  line-height: 1.8;
}

.footer__title {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-white);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
}

.footer__list {
  list-style: none;
}

.footer__list li {
  margin-bottom: 0.5em;
}

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

.footer__list a:hover {
  color: var(--color-gold);
}

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.75em;
  font-size: 0.9rem;
}

.footer__contact-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-gold);
}

.footer__bottom {
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.footer__copyright {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
}

.footer__legal {
  display: flex;
  gap: var(--space-md);
}

.footer__legal a {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
}

.footer__legal a:hover {
  color: var(--color-gold);
}

/* --- Animations --- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive Design --- */
@media (max-width: 1024px) {
  .why__content {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --space-xl: 4rem;
    --space-xxl: 5rem;
  }
  
  .nav__list {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    background-color: var(--color-bg);
    transform: translateX(100%);
    transition: transform var(--transition-base);
  }
  
  .nav__list.active {
    transform: translateX(0);
  }
  
  .nav__toggle {
    display: flex;
  }
  
  .nav__toggle.active .nav__toggle-bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .nav__toggle.active .nav__toggle-bar:nth-child(2) {
    opacity: 0;
  }
  
  .nav__toggle.active .nav__toggle-bar:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
  
  .nav .btn {
    display: none;
  }
  
  .hero__content {
    padding: var(--space-lg) 0;
  }
  
  .services__grid {
    grid-template-columns: 1fr;
  }
  
  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
  
  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero__cta {
    flex-direction: column;
  }
  
  .hero__cta .btn {
    width: 100%;
  }
  
  .cases__grid,
  .blog__grid {
    grid-template-columns: 1fr;
  }
}

/* --- Page Specific Styles --- */

/* About Page */
.page-header {
  padding-top: calc(var(--header-height) + var(--space-xl));
  padding-bottom: var(--space-lg);
  background-color: var(--color-bg-alt);
  text-align: center;
}

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

.page-header__subtitle {
  color: var(--color-text-light);
  font-size: 1rem;
}

.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.about-intro__content h2 {
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.about-intro__content p {
  color: var(--color-text-light);
}

.company-info {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  overflow: hidden;
}

.company-info__row {
  display: grid;
  grid-template-columns: 140px 1fr;
  border-bottom: 1px solid var(--color-border);
}

.company-info__row:last-child {
  border-bottom: none;
}

.company-info__label {
  padding: var(--space-sm) var(--space-md);
  background-color: var(--color-bg-alt);
  font-weight: 500;
  font-size: 0.9rem;
}

.company-info__value {
  padding: var(--space-sm) var(--space-md);
  font-size: 0.95rem;
}

/* Contact Page */
.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}

.contact-info__item {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.contact-info__item:last-child {
  border-bottom: none;
}

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

.contact-info__label {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: 0.25em;
}

.contact-info__value {
  font-size: 1rem;
  color: var(--color-text);
}

.contact-form {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: var(--space-lg);
}

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

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.5em;
  color: var(--color-text);
}

.form-group label .required {
  color: var(--color-accent);
  margin-left: 0.25em;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.8em 1em;
  font-family: var(--font-sans);
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background-color: var(--color-bg);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.1);
}

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

@media (max-width: 768px) {
  .about-intro,
  .contact-content {
    grid-template-columns: 1fr;
  }
  
  .company-info__row {
    grid-template-columns: 1fr;
  }
  
  .company-info__label {
    border-bottom: 1px solid var(--color-border);
  }
}