/* Arosys S.A. - Professional Enterprise Website Styles */

/* CSS Variables */
:root {
  --color-primary: #1a365d;
  --color-primary-light: #2c5282;
  --color-primary-dark: #0f2442;
  --color-accent: #3182ce;
  --color-accent-light: #4299e1;
  --color-text: #1a202c;
  --color-text-light: #4a5568;
  --color-text-muted: #718096;
  --color-bg: #ffffff;
  --color-bg-alt: #f7fafc;
  --color-bg-dark: #edf2f7;
  --color-border: #e2e8f0;
  --color-success: #38a169;
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --max-width: 1200px;
  --header-height: 72px;
}

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

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.25;
  color: var(--color-text);
}

h1 {
  font-size: 2.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 2rem;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

p {
  color: var(--color-text-light);
  margin-bottom: 1rem;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

/* Layout */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
}

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

.section-dark {
  background-color: var(--color-primary);
  color: #fff;
}

.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: #fff;
}

.section-dark p {
  color: rgba(255, 255, 255, 0.85);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  backdrop-filter: blur(8px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
}

.logo-mark {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-light);
  text-decoration: none;
  transition: color 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
}

/* Language Switcher */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-left: 1rem;
  padding-left: 1rem;
  border-left: 1px solid var(--color-border);
}

.lang-switch a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-text-muted);
  text-decoration: none;
  border-radius: 4px;
  transition: all 0.2s ease;
}

.lang-switch a:hover {
  background-color: var(--color-bg-alt);
  color: var(--color-text);
}

.lang-switch a.active {
  background-color: var(--color-primary);
  color: #fff;
}

@media (max-width: 768px) {
  .lang-switch {
    margin-left: 0;
    padding-left: 0;
    border-left: none;
    padding-top: 1rem;
    margin-top: 0.5rem;
    border-top: 1px solid var(--color-border);
    justify-content: center;
  }
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  margin: 5px 0;
  transition: all 0.3s ease;
}

/* Hero Section */
.hero {
  padding-top: calc(var(--header-height) + 5rem);
  padding-bottom: 5rem;
  background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
}

.hero-content {
  max-width: 800px;
}

.hero h1 {
  margin-bottom: 1.5rem;
  color: var(--color-primary);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-light);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.75rem;
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  border: none;
}

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

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

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

.btn-secondary:hover {
  background-color: var(--color-bg-alt);
  border-color: var(--color-primary);
}

/* Grid System */
.grid {
  display: grid;
  gap: 2rem;
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* Cards */
.card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 2rem;
  transition: box-shadow 0.2s ease;
}

.card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.card-icon {
  width: 48px;
  height: 48px;
  background-color: var(--color-bg-alt);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--color-primary);
}

.card h3 {
  margin-bottom: 0.75rem;
  font-size: 1.125rem;
}

.card p {
  font-size: 0.9375rem;
  margin-bottom: 0;
}

/* Feature Sections */
.feature-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.feature-section.reverse {
  direction: rtl;
}

.feature-section.reverse > * {
  direction: ltr;
}

.feature-content h2 {
  margin-bottom: 1rem;
}

.feature-content p {
  margin-bottom: 1.5rem;
}

.feature-list {
  list-style: none;
}

.feature-list li {
  position: relative;
  padding-left: 1.75rem;
  margin-bottom: 0.75rem;
  color: var(--color-text-light);
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5rem;
  width: 8px;
  height: 8px;
  background-color: var(--color-accent);
  border-radius: 50%;
}

/* Diagram Styles */
.diagram {
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
}

.architecture-diagram {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding: 2rem;
}

.diagram-row {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.diagram-node {
  background-color: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: 8px;
  padding: 1rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  min-width: 140px;
}

.diagram-node.primary {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.diagram-node.accent {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

.diagram-node.success {
  background-color: var(--color-success);
  border-color: var(--color-success);
  color: #fff;
}

.diagram-connector {
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--color-text-muted);
  font-size: 1.5rem;
}

/* Section Headers */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3rem;
}

.section-header h2 {
  margin-bottom: 1rem;
}

.section-header p {
  font-size: 1.125rem;
}

.section-label {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-item h3 {
  font-size: 2.5rem;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.stat-item p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

/* Product Page */
.product-hero {
  padding-top: calc(var(--header-height) + 4rem);
  padding-bottom: 4rem;
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
}

.product-hero h1 {
  color: #fff;
  margin-bottom: 0.5rem;
}

.product-hero .product-tagline {
  font-size: 1.375rem;
  opacity: 0.9;
  margin-bottom: 1.5rem;
}

.product-hero p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.125rem;
  max-width: 700px;
}

/* Page Header */
.page-header {
  padding-top: calc(var(--header-height) + 3rem);
  padding-bottom: 3rem;
  background-color: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}

.page-header h1 {
  margin-bottom: 0.75rem;
}

.page-header p {
  font-size: 1.125rem;
  max-width: 700px;
}

/* Industry Cards */
.industry-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 2rem;
}

.industry-card h3 {
  color: var(--color-primary);
  margin-bottom: 1rem;
  font-size: 1.25rem;
}

.industry-card ul {
  list-style: none;
}

.industry-card li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--color-text-light);
  font-size: 0.9375rem;
}

.industry-card li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

/* Experience Timeline */
.experience-item {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 2rem;
  margin-bottom: 1.5rem;
}

.experience-item h3 {
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.experience-item p {
  margin-bottom: 0.5rem;
}

.experience-tag {
  display: inline-block;
  background-color: var(--color-bg-alt);
  color: var(--color-text-muted);
  font-size: 0.8125rem;
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  margin-right: 0.5rem;
  margin-top: 0.75rem;
}

/* Contact Form */
.contact-form {
  max-width: 600px;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.9375rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.875rem 1rem;
  font-size: 1rem;
  font-family: var(--font-primary);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background-color: var(--color-bg);
  color: var(--color-text);
  transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-accent);
}

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

/* Footer */
.footer {
  background-color: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.8);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9375rem;
  margin-top: 1rem;
}

.footer h4 {
  color: #fff;
  font-size: 0.9375rem;
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9375rem;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: #fff;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.5);
}

/* Responsive */
@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--color-bg);
    flex-direction: column;
    padding: 1.5rem;
    gap: 1rem;
    border-bottom: 1px solid var(--color-border);
    display: none;
  }

  .nav.active {
    display: flex;
  }

  .nav-toggle {
    display: block;
  }

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

  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }

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

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .feature-section {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .feature-section.reverse {
    direction: ltr;
  }

  .hero-cta {
    flex-direction: column;
  }

  .hero-cta .btn {
    width: 100%;
  }

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

  .section {
    padding: 3rem 0;
  }
}

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

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

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

.text-muted {
  color: var(--color-text-muted);
}

.mb-0 {
  margin-bottom: 0;
}

.mb-1 {
  margin-bottom: 0.5rem;
}

.mb-2 {
  margin-bottom: 1rem;
}

.mb-3 {
  margin-bottom: 1.5rem;
}

.mb-4 {
  margin-bottom: 2rem;
}

.mt-2 {
  margin-top: 1rem;
}

.mt-4 {
  margin-top: 2rem;
}