/*
 * Gjallarhorn Corporate Website
 * Main Stylesheet
 */

/* ========================================
   CSS Variables
======================================== */
:root {
  /* Colors - Monotone */
  --color-black: #0a0a0a;
  --color-dark: #1a1a1a;
  --color-gray-dark: #333333;
  --color-gray: #666666;
  --color-gray-light: #999999;
  --color-gray-lighter: #e5e5e5;
  --color-white: #ffffff;
  --color-off-white: #fafafa;

  /* Typography */
  --font-sans: "Inter", "Noto Sans JP", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 700;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2.5rem;
  --spacing-xl: 4rem;
  --spacing-2xl: 6rem;

  /* Layout */
  --max-width: 1200px;
  --header-height: 80px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.6s ease;
}

/* ========================================
   Base Styles
======================================== */
html {
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  font-weight: var(--font-weight-normal);
  color: var(--color-black);
  background-color: var(--color-white);
  letter-spacing: 0.02em;
}

/* ========================================
   Typography
======================================== */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-medium);
  line-height: 1.3;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  letter-spacing: -0.01em;
}

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

p {
  font-size: 1rem;
  line-height: 2;
  color: var(--color-gray-dark);
}

.lead {
  font-size: 1.125rem;
  line-height: 2;
}

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

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

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

/* ========================================
   Header
======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid var(--color-gray-lighter);
}

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

.header__logo {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.05em;
  color: var(--color-black);
  transition: opacity var(--transition-fast);
}

.header__logo-img {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.header__logo:hover {
  opacity: 0.7;
}

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

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

.nav__link {
  font-size: 0.875rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-dark);
  position: relative;
  padding: var(--spacing-xs) 0;
  transition: color var(--transition-fast);
}

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

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

.nav__link:hover::after {
  width: 100%;
}

/* Mobile Menu Button */
.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 30px;
  height: 30px;
  cursor: pointer;
}

.nav__toggle span {
  display: block;
  width: 100%;
  height: 1px;
  background-color: var(--color-black);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav__toggle.is-active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__toggle.is-active span:nth-child(2) {
  opacity: 0;
}

.nav__toggle.is-active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

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

.hero__background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.6;
}

/* Geometric Pattern Animation */
.hero__pattern {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    linear-gradient(135deg, transparent 25%, rgba(255,255,255,0.02) 25%, rgba(255,255,255,0.02) 50%, transparent 50%, transparent 75%, rgba(255,255,255,0.02) 75%);
  background-size: 60px 60px;
  animation: patternMove 20s linear infinite;
}

@keyframes patternMove {
  0% {
    background-position: 0 0;
  }
  100% {
    background-position: 60px 60px;
  }
}

/* Floating Geometric Shapes */
.hero__shapes {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.hero__shape {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.1);
  animation: float 15s ease-in-out infinite;
}

.hero__shape--1 {
  top: 20%;
  left: 10%;
  width: 100px;
  height: 100px;
  animation-delay: 0s;
}

.hero__shape--2 {
  top: 60%;
  left: 80%;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  animation-delay: -5s;
}

.hero__shape--3 {
  top: 30%;
  right: 15%;
  width: 80px;
  height: 80px;
  transform: rotate(45deg);
  animation-delay: -10s;
}

.hero__shape--4 {
  bottom: 20%;
  left: 20%;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  animation-delay: -7s;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
    opacity: 0.3;
  }
  50% {
    transform: translateY(-30px) rotate(10deg);
    opacity: 0.6;
  }
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: var(--color-white);
  padding: var(--spacing-md);
}

.hero__title {
  font-size: clamp(2rem, 6vw, 4.5rem);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-md);
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1s ease forwards;
  animation-delay: 0.3s;
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: var(--font-weight-normal);
  color: rgba(255, 255, 255, 0.8);
  letter-spacing: 0.05em;
  max-width: 600px;
  margin: 0 auto var(--spacing-lg);
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1s ease forwards;
  animation-delay: 0.6s;
}

.hero__slogan {
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  font-weight: var(--font-weight-bold);
  color: rgba(255, 255, 255, 0.85);
  letter-spacing: 0.3em;
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.3);
  display: inline-block;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1s ease forwards;
  animation-delay: 0.9s;
}

.hero__scroll {
  position: absolute;
  bottom: var(--spacing-lg);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  opacity: 0;
  animation: fadeIn 1s ease forwards;
  animation-delay: 1.2s;
}

.hero__scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.6), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0%, 100% {
    transform: scaleY(1);
    opacity: 1;
  }
  50% {
    transform: scaleY(0.5);
    opacity: 0.5;
  }
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* ========================================
   Page Header (for sub pages)
======================================== */
.page-header {
  padding-top: calc(var(--header-height) + var(--spacing-xl));
  padding-bottom: var(--spacing-xl);
  background-color: var(--color-off-white);
  border-bottom: 1px solid var(--color-gray-lighter);
}

.page-header__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.05em;
}

.page-header__subtitle {
  font-size: 0.875rem;
  color: var(--color-gray);
  letter-spacing: 0.1em;
  margin-top: var(--spacing-xs);
}

/* ========================================
   Content Sections
======================================== */
.content-section {
  padding: var(--spacing-xl) 0;
}

.content-section--gray {
  background-color: var(--color-off-white);
}

.section-title {
  font-size: 1.125rem;
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gray);
  margin-bottom: var(--spacing-sm);
}

.section-heading {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--spacing-md);
  line-height: 1.5;
}

/* ========================================
   Company Info Table
======================================== */
.info-table {
  width: 100%;
  border-collapse: collapse;
}

.info-table tr {
  border-bottom: 1px solid var(--color-gray-lighter);
}

.info-table th,
.info-table td {
  padding: var(--spacing-md) 0;
  text-align: left;
  vertical-align: top;
}

.info-table th {
  width: 30%;
  font-weight: var(--font-weight-medium);
  color: var(--color-gray);
  font-size: 0.875rem;
}

.info-table td {
  color: var(--color-black);
}

/* ========================================
   Philosophy Section
======================================== */
.philosophy-item {
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--color-gray-lighter);
}

.philosophy-item:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.philosophy-item__label {
  font-size: 1.125rem;
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gray);
  margin-bottom: var(--spacing-sm);
}

.philosophy-item__title {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: var(--font-weight-medium);
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
}

.philosophy-item__text {
  font-size: 1rem;
  line-height: 2;
  color: var(--color-gray-dark);
}

/* Values List (Numbered) */
.values-list {
  margin-top: var(--spacing-lg);
}

.values-list__item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg) 0;
  border-bottom: 1px solid var(--color-gray-lighter);
}

.values-list__item:first-child {
  border-top: 1px solid var(--color-gray-lighter);
}

.values-list__number {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-gray-light);
  letter-spacing: 0.05em;
  flex-shrink: 0;
  line-height: 1;
  min-width: 2em;
}

.values-list__content {
  flex: 1;
}

.values-list__title {
  font-size: 1.375rem;
  font-weight: var(--font-weight-medium);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.values-list__text {
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--color-gray-dark);
}

@media (max-width: 768px) {
  .values-list__item {
    gap: var(--spacing-md);
  }

  .values-list__number {
    font-size: 1.25rem;
    min-width: 1.75em;
  }
}

/* ========================================
   Services Section
======================================== */
.service-block {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--color-gray-lighter);
}

.service-block:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

@media (min-width: 768px) {
  .service-block {
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-xl);
  }
}

.service-block__title {
  font-size: 1.5rem;
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--spacing-sm);
}

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

.service-block__content p:last-child {
  margin-bottom: 0;
}

/* Service Section with Icon */
.service-section-with-icon {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--spacing-xl);
}

.service-section-with-icon__content {
  flex: 1;
}

.service-section-with-icon__icon {
  width: 180px;
  height: 180px;
  flex-shrink: 0;
}

.service-section-with-icon__icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.service-section-with-icon + .service-section-with-icon {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-gray-lighter);
}

/* Separator line between service overview and detail blocks */
.service-section-with-icon + .service-block {
  border-top: 1px solid var(--color-gray-lighter);
  padding-top: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

@media (max-width: 768px) {
  .service-section-with-icon {
    flex-direction: column-reverse;
    align-items: center;
    text-align: center;
    gap: 0.25rem;
  }

  .service-section-with-icon__icon {
    width: 140px;
    height: 140px;
    margin-bottom: 0;
  }

  .service-block {
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
  }

  .service-block__title {
    margin-bottom: var(--spacing-xs);
  }

  .service-block__content p {
    line-height: 1.8;
  }

  .service-section-with-icon + .service-block {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
  }

  .service-section-with-icon__content p {
    line-height: 1.8;
  }
}

/* ========================================
   Contact Section
======================================== */
.contact-content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

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

.contact-email {
  font-size: 1.5rem;
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.05em;
  color: var(--color-black);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 0.875rem;
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.1em;
  border: 1px solid var(--color-black);
  background-color: var(--color-black);
  color: var(--color-white);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

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

.btn--outline {
  background-color: transparent;
  color: var(--color-black);
}

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

/* Copy Button */
.btn-copy {
  position: relative;
  cursor: pointer;
}

.btn-copy__text,
.btn-copy__success {
  transition: opacity var(--transition-fast);
}

.btn-copy__success {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0;
  white-space: nowrap;
}

.btn-copy.is-copied .btn-copy__text {
  opacity: 0;
}

.btn-copy.is-copied .btn-copy__success {
  opacity: 1;
}

.btn-copy.is-copied {
  background-color: var(--color-gray-dark);
  border-color: var(--color-gray-dark);
  color: var(--color-white);
}

.btn-copy--small {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: 0.75rem;
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.05em;
  border: 1px solid var(--color-gray-light);
  background-color: transparent;
  color: var(--color-gray);
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.btn-copy--small:hover {
  background-color: var(--color-gray-lighter);
  border-color: var(--color-gray);
  color: var(--color-gray-dark);
}

.btn-copy--small.is-copied {
  background-color: var(--color-gray-dark);
  border-color: var(--color-gray-dark);
  color: var(--color-white);
}

/* Inline Copy Button */
.btn-copy--inline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  margin-left: 10px;
  padding: 0;
  border: 1px solid var(--color-gray-light);
  border-radius: 4px;
  background-color: var(--color-off-white);
  color: var(--color-gray);
  cursor: pointer;
  vertical-align: middle;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.btn-copy--inline:hover {
  background-color: var(--color-gray-lighter);
  border-color: var(--color-gray);
  color: var(--color-gray-dark);
}

.btn-copy__icon {
  display: block;
}

.btn-copy__icon-check {
  display: none;
}

.btn-copy--inline.is-copied {
  background-color: var(--color-gray-dark);
  border-color: var(--color-gray-dark);
  color: var(--color-white);
}

.btn-copy--inline.is-copied .btn-copy__icon {
  display: none;
}

.btn-copy--inline.is-copied .btn-copy__icon-check {
  display: block;
}

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

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
  text-align: center;
}

.footer__logo {
  font-size: 1rem;
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.1em;
}

.footer__address {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.8;
}

.footer__copyright {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.4);
  margin-top: var(--spacing-md);
}

/* ========================================
   Animations (Scroll Reveal)
======================================== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================
   Utility Classes
======================================== */
.text-center {
  text-align: center;
}

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

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

/* ========================================
   Responsive
======================================== */
@media (max-width: 768px) {
  :root {
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
  }

  .nav__list {
    display: flex !important;
    position: fixed !important;
    top: var(--header-height) !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100% !important;
    height: calc(100vh - var(--header-height)) !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: flex-start !important;
    padding-top: 60px !important;
    gap: var(--spacing-md) !important;
    background-color: #ffffff !important;
    z-index: 999 !important;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
  }

  .nav__list.is-open {
    opacity: 1 !important;
    visibility: visible !important;
  }

  .nav__link {
    font-size: 1.25rem;
    color: var(--color-black);
  }

  .nav__link:hover {
    color: rgba(0, 0, 0, 0.6);
  }

  .nav__link::after {
    background-color: var(--color-black);
  }

  .nav__toggle {
    display: flex;
  }

  .info-table th,
  .info-table td {
    display: block;
    width: 100%;
  }

  .info-table th {
    padding-bottom: var(--spacing-xs);
  }

  .info-table td {
    padding-top: 0;
  }
}

/* ========================================
   News Section
======================================== */
.news-list {
  margin-top: var(--spacing-lg);
}

.news-item {
  display: flex;
  align-items: baseline;
  gap: var(--spacing-md);
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--color-gray-lighter);
  transition: background-color var(--transition-fast);
}

.news-item:first-child {
  border-top: 1px solid var(--color-gray-lighter);
}

.news-item__date {
  flex-shrink: 0;
  font-size: 0.875rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-gray);
  letter-spacing: 0.05em;
  min-width: 7em;
}

.news-item__title {
  font-size: 1rem;
  font-weight: var(--font-weight-normal);
  color: var(--color-black);
  line-height: 1.8;
}

/* News item as link */
a.news-item {
  text-decoration: none;
  color: inherit;
}

a.news-item:hover {
  background-color: var(--color-off-white);
}

a.news-item:hover .news-item__title {
  color: var(--color-gray-dark);
}

/* News detail page */
.news-detail {
  max-width: 800px;
}

.news-detail__date {
  font-size: 0.875rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-gray);
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-md);
}

.news-detail__title {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: var(--font-weight-medium);
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-gray-lighter);
}

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

.news-detail__body p:last-child {
  margin-bottom: 0;
}

.news-back {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-gray-lighter);
}

.news-back__link {
  font-size: 0.875rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-gray);
  letter-spacing: 0.05em;
  transition: color var(--transition-fast);
}

.news-back__link:hover {
  color: var(--color-black);
}

@media (max-width: 768px) {
  .news-item {
    flex-direction: column;
    gap: var(--spacing-xs);
  }

  .news-item__date {
    min-width: auto;
  }
}

/* ========================================
   Partners Section
======================================== */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.partner-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-lg);
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-lighter);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.partner-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
}

.partner-card__logo {
  width: 100%;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
}

.partner-card__logo img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.7;
  transition: filter var(--transition-normal), opacity var(--transition-normal);
}

.partner-card:hover .partner-card__logo img {
  filter: grayscale(0%);
  opacity: 1;
}

.partner-card__placeholder {
  font-size: 0.875rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-light);
  letter-spacing: 0.1em;
  padding: var(--spacing-md) var(--spacing-lg);
  border: 2px dashed var(--color-gray-lighter);
}

.partner-card__name {
  font-size: 0.875rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-dark);
  text-align: center;
}