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

:root {
  --navy: #121429;
  --deep-blue: #00074E;
  --orange: #F38428;
  --brand: #007EFF;
  --text: #121429;
  --text-muted: #5c5c7a;
  --border: #dde3ea;
  --bg: #f4f6f9;
  --white: #ffffff;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  --radius: 8px;
}

body {
  font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.hidden {
  display: none !important;
}

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem 1.5rem;
}

.page-logo {
  margin-bottom: 2rem;
}

.logo-img {
  height: 40px;
  width: auto;
  display: block;
  filter: brightness(0) saturate(100%) invert(8%) sepia(20%) saturate(2000%) hue-rotate(210deg);
}

.page-doc {
  width: 100%;
  max-width: 720px;
}

.doc-viewer {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.doc-canvas {
  position: relative;
  min-height: 560px;
}

.doc-page {
  padding: 2.5rem 3rem;
  line-height: 1.7;
  font-size: 0.95rem;
}

.doc-page h1 {
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
}

.doc-meta {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

.doc-page hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1rem 0 1.5rem;
}

.doc-fade {
  color: var(--text-muted);
  filter: blur(2px);
  user-select: none;
}

.overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
  background: rgba(255, 255, 255, 0.82);
}

.overlay-gate {
  background: rgba(244, 246, 249, 0.92);
}

.overlay-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 2.5rem;
  text-align: center;
  max-width: 360px;
  box-shadow: var(--shadow);
}

.overlay-card h2 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.overlay-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.25rem;
  line-height: 1.5;
}

.btn {
  display: inline-block;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s;
}

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

.btn-primary:hover {
  background: var(--deep-blue);
  text-decoration: none;
}

@media (max-width: 600px) {
  .doc-page {
    padding: 1.5rem;
  }
}