/* RESET & BASE */
:root {
  --color-bg: #FAFAFA;
  --color-text: #111827;
  --color-text-light: #4B5563;
  --color-primary: #2563EB;
  --color-primary-hover: #1D4ED8;
  --color-white: #FFFFFF;
  --color-border: #E5E7EB;
  
  --font-primary: 'Inter', system-ui, sans-serif;
  
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  --spacing-xxl: 8rem;
  
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  --border-radius-xl: 24px;
}

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

html {
  scroll-behavior: smooth;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.2s ease;
}

/* UTILITIES */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--spacing-md);
  }
}

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

.section-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  letter-spacing: -0.02em;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius-md);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
}

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

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

/* HEADER */
.header {
  padding: var(--spacing-md) 0;
  background-color: var(--color-bg);
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid transparent;
}

.header__container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header__logo {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.header__nav {
  display: none;
  gap: var(--spacing-md);
}

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

.header__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-light);
}

.header__link:hover {
  color: var(--color-text);
}

/* HERO SECTION */
.hero {
  padding: var(--spacing-xxl) 0 var(--spacing-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 80vh;
}

.hero__container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 900px;
}

.hero__badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
  box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}

.hero__title {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.04em;
  margin-bottom: var(--spacing-md);
}

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

.hero__subtitle {
  font-size: 1.125rem;
  color: var(--color-text-light);
  max-width: 700px;
  margin: 0 auto var(--spacing-lg);
  line-height: 1.6;
}

@media (min-width: 768px) {
  .hero__subtitle {
    font-size: 1.25rem;
  }
}

/* INDUSTRIES DIRECTORY */
.industries {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-white);
}

.industries__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
}

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

.card {
  background-color: var(--color-bg);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  height: 100%;
}

.card--active {
  background-color: var(--color-white);
  box-shadow: 0 10px 30px rgba(0,0,0,0.04);
  border-color: transparent;
}

.card--inactive {
  opacity: 0.6;
  position: relative;
}

.card__badge {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  background-color: var(--color-border);
  color: var(--color-text-light);
  padding: 0.25rem 0.75rem;
  border-radius: var(--border-radius-sm);
  margin-bottom: var(--spacing-sm);
}

.card__title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  letter-spacing: -0.02em;
}

.card__desc {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
  flex-grow: 1;
}

/* FEATURES */
.features {
  padding: var(--spacing-xl) 0;
}

.features__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

@media (min-width: 768px) {
  .features__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
  }
}

.feature {
  text-align: center;
  padding: 0 var(--spacing-sm);
}

.feature__icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
}

.feature__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
  letter-spacing: -0.01em;
}

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

/* FOOTER */
.footer {
  padding: var(--spacing-lg) 0 var(--spacing-md);
  border-top: 1px solid var(--color-border);
  background-color: var(--color-white);
}

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

@media (min-width: 768px) {
  .footer__container {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer__copy {
  color: var(--color-text-light);
  font-size: 0.875rem;
}

.footer__link {
  color: var(--color-text-light);
  font-size: 0.875rem;
  font-weight: 500;
}

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

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

/* MODALS */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal--open {
  opacity: 1;
  visibility: visible;
}

.modal__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(17, 24, 39, 0.5);
  backdrop-filter: blur(4px);
}

.modal__content {
  position: relative;
  width: 90%;
  max-width: 800px;
  max-height: 90vh;
  background-color: var(--color-white);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-xl) var(--spacing-lg);
  overflow-y: auto;
  z-index: 101;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  scrollbar-width: thin;
  scrollbar-color: rgba(156, 163, 175, 0.5) transparent;
}

.modal__content::-webkit-scrollbar {
  width: 8px;
}

.modal__content::-webkit-scrollbar-track {
  background: transparent;
  margin: var(--spacing-md) 0;
}

.modal__content::-webkit-scrollbar-thumb {
  background-color: rgba(156, 163, 175, 0.5);
  border-radius: 10px;
}

@media (max-width: 768px) {
  .modal__content {
    padding: var(--spacing-lg) var(--spacing-sm);
  }
}

.modal__close {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  background: none;
  border: none;
  font-size: 2rem;
  line-height: 1;
  color: var(--color-text-light);
  cursor: pointer;
  transition: color 0.2s ease;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius-sm);
}

.modal__close:hover {
  color: var(--color-text);
  background-color: var(--color-bg);
}

/* LEGAL CONTENT STYLES (For Modals) */
.legal-header {
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.legal-header__title {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: var(--spacing-xs);
}

.legal-header__date {
  color: var(--color-text-light);
  font-size: 0.875rem;
  font-weight: 500;
}

.legal-content {
  max-width: 100%;
}

.legal-content h2 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: var(--spacing-lg) 0 var(--spacing-sm);
  letter-spacing: -0.02em;
}

.legal-content p {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
}

.legal-content ul {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
  padding-left: var(--spacing-md);
}

.legal-content li {
  margin-bottom: var(--spacing-xs);
}