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

:root {
  --bg: #ebeef3;
  --fg: #1a2030;
  --card: #ffffff;
  --card-fg: #1a2030;
  --primary: #2455a6;
  --primary-fg: #fafafa;
  --primary-10: rgba(36, 85, 166, 0.1);
  --primary-30: rgba(36, 85, 166, 0.3);
  --primary-5: rgba(36, 85, 166, 0.05);
  --muted-fg: #6b7a94;
  --border: #d8dde6;
  --radius: 0.75rem;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
    sans-serif;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg);
  color: var(--fg);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  text-decoration: none;
  color: inherit;
}

/* ===== Navbar ===== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.navbar-inner {
  max-width: 72rem;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
  padding: 0 1rem;
}

/* ===== Language Toggle ===== */
.lang-toggle {
  display: inline-flex;
  align-items: center;
  height: 2rem;
  padding: 0.1875rem;
  border-radius: 0.5rem;
  border: 1px solid var(--border);
  background: var(--card);
  font-size: 0.75rem;
  font-weight: 600;
  font-family: var(--font-sans);
}

.lang-toggle-option {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.25rem 0.625rem;
  border-radius: 0.375rem;
  border: none;
  background: transparent;
  color: var(--muted-fg);
  font-size: 0.75rem;
  font-weight: 600;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: all 0.15s ease;
}

.lang-toggle-option:hover:not(.active) {
  color: var(--fg);
}

.lang-toggle-option.active {
  background: var(--primary);
  color: var(--primary-fg);
}

@media (min-width: 640px) {
  .navbar-inner {
    padding: 0 1.5rem;
  }
}

@media (min-width: 1024px) {
  .navbar-inner {
    padding: 0 2rem;
  }
}

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

.navbar-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.5rem;
  background: var(--primary);
  color: var(--primary-fg);
}

.navbar-icon svg {
  width: 1.25rem;
  height: 1.25rem;
}

.navbar-title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--fg);
}

.navbar-logo-link {
  display: flex;
  align-items: center;
}

.navbar-logo {
  height: 2.25rem;
  width: auto;
}

/* ===== Main Content ===== */
.main-content {
  max-width: 72rem;
  margin: 0 auto;
  width: 100%;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding: 2rem 1rem;
}

@media (min-width: 640px) {
  .main-content {
    padding: 2rem 1.5rem;
  }
}

@media (min-width: 1024px) {
  .main-content {
    padding: 2rem;
  }
}

/* ===== Header ===== */
.page-header {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.page-title {
  font-size: 1.875rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--fg);
  text-wrap: balance;
}

.page-subtitle {
  font-size: 1rem;
  color: var(--muted-fg);
  text-wrap: pretty;
}

/* ===== Tile Grid ===== */
.tile-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .tile-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .tile-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ===== Tile Card ===== */
.tile {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--card);
  transition: all 0.3s ease-out;
  cursor: pointer;
}

.tile:hover {
  border-color: var(--primary-30);
  box-shadow: 0 10px 25px -5px var(--primary-5), 0 4px 10px -5px var(--primary-5);
  transform: translateY(-4px);
}

.tile:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.tile-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: 0.5rem;
  background: var(--primary-10);
  color: var(--primary);
  transition: all 0.3s ease-out;
}

.tile:hover .tile-icon {
  background: var(--primary);
  color: var(--primary-fg);
}

.tile-icon svg {
  width: 1.5rem;
  height: 1.5rem;
  stroke-width: 2;
}

.tile-text {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.tile-title {
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--card-fg);
  transition: color 0.3s ease-out;
}

.tile:hover .tile-title {
  color: var(--primary);
}

.tile-desc {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--muted-fg);
}

.tile-arrow {
  position: absolute;
  bottom: 1.5rem;
  right: 1.5rem;
  color: transparent;
  transition: all 0.3s ease-out;
}

.tile:hover .tile-arrow {
  color: var(--primary);
  transform: translateX(2px);
}

.tile-arrow svg {
  width: 1.25rem;
  height: 1.25rem;
}

/* ===== Footer ===== */
.footer {
  border-top: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.5);
  padding: 1.5rem 0;
}

.footer-inner {
  max-width: 72rem;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 0 1rem;
}

@media (min-width: 640px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    padding: 0 1.5rem;
  }
}

@media (min-width: 1024px) {
  .footer-inner {
    padding: 0 2rem;
  }
}

.footer-copy {
  font-size: 0.875rem;
  color: var(--muted-fg);
}

.footer-version {
  font-size: 0.75rem;
  color: var(--muted-fg);
  opacity: 0.6;
}

/* ===== Animations ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.tile {
  animation: fadeInUp 0.4s ease-out both;
}

.tile:nth-child(1) { animation-delay: 0ms; }
.tile:nth-child(2) { animation-delay: 80ms; }
.tile:nth-child(3) { animation-delay: 160ms; }
.tile:nth-child(4) { animation-delay: 240ms; }
.tile:nth-child(5) { animation-delay: 320ms; }
.tile:nth-child(6) { animation-delay: 400ms; }

/* ===== Back Link ===== */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--muted-fg);
  transition: color 0.2s ease;
  width: fit-content;
}

.back-link:hover {
  color: var(--primary);
}

.back-link svg {
  width: 1rem;
  height: 1rem;
  transition: transform 0.2s ease;
}

.back-link:hover svg {
  transform: translateX(-2px);
}

/* ===== Subpage Layout ===== */
.subpage-content {
  max-width: 56rem;
  margin: 0 auto;
  width: 100%;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding: 2rem 1rem;
}

@media (min-width: 640px) {
  .subpage-content {
    padding: 2rem 1.5rem;
  }
}

@media (min-width: 1024px) {
  .subpage-content {
    padding: 2rem;
  }
}

/* ===== Platform Section ===== */
.platform-section {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--card);
  overflow: hidden;
  animation: fadeInUp 0.4s ease-out both;
}

.platform-section:nth-child(1) { animation-delay: 0ms; }
.platform-section:nth-child(2) { animation-delay: 100ms; }
.platform-section:nth-child(3) { animation-delay: 200ms; }

.platform-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: rgba(36, 85, 166, 0.03);
}

.platform-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.5rem;
  background: var(--primary-10);
  color: var(--primary);
}

.platform-icon svg {
  width: 1.5rem;
  height: 1.5rem;
}

.platform-name {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--card-fg);
}

/* ===== Client Row ===== */
.client-row {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.client-row:last-child {
  border-bottom: none;
}

@media (min-width: 640px) {
  .client-row {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.client-info {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.client-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--card-fg);
}

.client-desc {
  font-size: 0.875rem;
  color: var(--muted-fg);
}

/* ===== Download Button ===== */
.btn-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  height: 2.5rem;
  padding: 0 1.25rem;
  border-radius: 0.5rem;
  background: var(--primary);
  color: var(--primary-fg);
  font-size: 0.875rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: background 0.2s ease;
  white-space: nowrap;
  text-decoration: none;
}

.btn-download:hover {
  background: #1d4a8f;
}

.btn-download:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.btn-download svg {
  width: 1rem;
  height: 1rem;
}

/* ===== Help Note ===== */
.help-note {
  border-radius: 0.5rem;
  border: 1px solid var(--border);
  background: rgba(36, 85, 166, 0.03);
  padding: 1rem 1.5rem;
  font-size: 0.875rem;
  color: var(--muted-fg);
  line-height: 1.6;
}

.help-note strong {
  color: var(--card-fg);
  font-weight: 600;
}

/* ===== MSP Service Grid ===== */
.msp-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .msp-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.msp-tile {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--card);
  transition: all 0.3s ease-out;
  cursor: pointer;
  animation: fadeInUp 0.4s ease-out both;
}

.msp-tile:hover {
  border-color: var(--primary-30);
  box-shadow: 0 10px 25px -5px var(--primary-5), 0 4px 10px -5px var(--primary-5);
  transform: translateY(-4px);
}

.msp-tile:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.msp-tile:nth-child(1) { animation-delay: 0ms; }
.msp-tile:nth-child(2) { animation-delay: 60ms; }
.msp-tile:nth-child(3) { animation-delay: 120ms; }
.msp-tile:nth-child(4) { animation-delay: 180ms; }
.msp-tile:nth-child(5) { animation-delay: 240ms; }
.msp-tile:nth-child(6) { animation-delay: 300ms; }
.msp-tile:nth-child(7) { animation-delay: 360ms; }
.msp-tile:nth-child(8) { animation-delay: 420ms; }
.msp-tile:nth-child(9) { animation-delay: 480ms; }

.msp-tile .tile-icon {
  transition: all 0.3s ease-out;
}

.msp-tile:hover .tile-icon {
  background: var(--primary);
  color: var(--primary-fg);
}

.msp-tile .tile-title {
  transition: color 0.3s ease-out;
}

.msp-tile:hover .tile-title {
  color: var(--primary);
}

.msp-tile .tile-arrow {
  color: transparent;
  transition: all 0.3s ease-out;
}

.msp-tile:hover .tile-arrow {
  color: var(--primary);
  transform: translateX(2px);
}

/* ===== MSP Landing Page ===== */
.landing-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  border-radius: 1rem;
  border: 1px solid var(--border);
  background: var(--card);
  padding: 3rem 1.5rem;
  text-align: center;
  animation: fadeInUp 0.4s ease-out both;
}

@media (min-width: 640px) {
  .landing-hero { padding: 4rem 3rem; }
}

.landing-hero-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 4rem;
  height: 4rem;
  border-radius: 1rem;
  background: var(--primary-10);
  color: var(--primary);
}

.landing-hero-icon svg { width: 2rem; height: 2rem; }

.landing-hero h1 {
  font-size: 1.875rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--fg);
  text-wrap: balance;
}

@media (min-width: 640px) {
  .landing-hero h1 { font-size: 2.25rem; }
}

.landing-hero p {
  font-size: 1.125rem;
  color: var(--muted-fg);
  max-width: 40rem;
  text-wrap: pretty;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  height: 2.75rem;
  padding: 0 1.5rem;
  border-radius: 0.5rem;
  background: var(--primary);
  color: var(--primary-fg);
  font-size: 0.875rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: background 0.2s ease;
  text-decoration: none;
}

.btn-primary:hover { background: #1d4a8f; }

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  height: 2.75rem;
  padding: 0 1.5rem;
  border-radius: 0.5rem;
  background: var(--card);
  color: var(--fg);
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.2s ease;
  text-decoration: none;
}

.btn-outline:hover { background: var(--bg); }

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--fg);
}

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

@media (min-width: 640px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .feature-grid { grid-template-columns: repeat(3, 1fr); }
}

.feature-card {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1.25rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--card);
}

.feature-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.5rem;
  background: var(--primary-10);
  color: var(--primary);
}

.feature-icon svg { width: 1rem; height: 1rem; }

.feature-card span {
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.5;
  color: var(--card-fg);
}

.benefit-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--card);
}

.benefit-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.benefit-check {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 50%;
  background: var(--primary-10);
  color: var(--primary);
  margin-top: 0.125rem;
}

.benefit-check svg { width: 0.75rem; height: 0.75rem; }

.benefit-list span {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--card-fg);
}

.download-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 640px) {
  .download-grid { grid-template-columns: repeat(3, 1fr); }
}

.download-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.25rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--card);
}

.download-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.5rem;
  background: var(--primary-10);
  color: var(--primary);
}

.download-card-icon svg { width: 1.25rem; height: 1.25rem; }

.download-card h3 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--card-fg);
  margin: 0;
}

.download-card p {
  font-size: 0.75rem;
  color: var(--muted-fg);
  margin: 0;
}

.download-card .btn-outline {
  margin-top: auto;
}

.download-card .btn-outline svg {
  width: 1rem;
  height: 1rem;
}

.landing-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  border-radius: 1rem;
  border: 1px solid var(--primary-30);
  background: var(--primary-5);
  padding: 2.5rem 1.5rem;
  text-align: center;
}

.landing-cta h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--fg);
}

.landing-cta p {
  font-size: 0.875rem;
  color: var(--muted-fg);
  max-width: 28rem;
  text-wrap: pretty;
}

.landing-cta-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

@media (min-width: 640px) {
  .landing-cta-buttons { flex-direction: row; }
}

.nav-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}