@font-face {
  font-family: "Montserrat";
  src: url("../font/Montserrat/Montserrat-VariableFont_wght.ttf") format("truetype");
  font-weight: 100 900;
  font-style: normal;
}

:root {
  --primary-yellow: #f2e6b1;
  --accent-red: #e74c3c;
  --text-dark: #333333;
  --text-light: #666666;
  --bg-light: #f9f9f9;
  --bg-white: #ffffff;
  --font-main: "Montserrat", Arial, Helvetica, sans-serif;
  --border-soft: rgba(0, 0, 0, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-main);
  color: var(--text-dark);
  background: linear-gradient(180deg, var(--primary-yellow) 0%, var(--bg-light) 260px);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border-soft);
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(10px);
}

.brand {
  color: var(--text-dark);
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.2px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand-logo {
  width: 28px;
  height: 28px;
  display: block;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-light);
  font-size: 14px;
}

#lang-select {
  border: 1px solid #d4d4da;
  border-radius: 8px;
  padding: 6px 8px;
  font-family: var(--font-main);
  background: #fff;
}

.hero {
  max-width: 1200px;
  margin: 0 auto;
  padding: 28px 18px 10px;
}

.hero-inner {
  background: rgba(255, 255, 255, 0.52);
  border: 1px solid rgba(255, 255, 255, 0.66);
  border-radius: 18px;
  padding: 28px;
}

.hero-badge {
  display: inline-block;
  margin: 0 0 10px;
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  background: linear-gradient(135deg, #2c3e50 0%, #3d5166 100%);
  border-radius: 999px;
  padding: 6px 12px;
}

.hero h1 {
  margin: 0;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  line-height: 1.15;
}

.hero-subline {
  margin: 10px 0 0;
  color: var(--text-light);
  font-weight: 500;
}

.layout {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 24px;
  padding: 12px 18px 24px;
}

.sidebar {
  border: 1px solid var(--border-soft);
  border-radius: 14px;
  background: var(--bg-white);
  padding: 16px;
  height: fit-content;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.06);
}

.sidebar h2 {
  margin: 0 0 12px;
  font-size: 18px;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.nav-toggle {
  display: none;
  border: 1px solid #d7d7dd;
  background: #fff;
  color: var(--text-dark);
  border-radius: 10px;
  padding: 8px 10px;
  font-family: var(--font-main);
  font-weight: 600;
  font-size: 0.9rem;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.nav-toggle-icon,
.nav-toggle-icon::before,
.nav-toggle-icon::after {
  display: block;
  width: 16px;
  height: 2px;
  background: var(--text-dark);
  border-radius: 4px;
  content: "";
}

.nav-toggle-icon {
  position: relative;
}

.nav-toggle-icon::before {
  position: absolute;
  top: -5px;
  left: 0;
}

.nav-toggle-icon::after {
  position: absolute;
  top: 5px;
  left: 0;
}

.sidebar.sidebar-open .nav-toggle {
  background: #fde8e5;
  border-color: #f4c8c2;
}

.sidebar.sidebar-open .nav-toggle-icon {
  background: transparent;
}

.sidebar.sidebar-open .nav-toggle-icon::before {
  top: 0;
  transform: rotate(45deg);
}

.sidebar.sidebar-open .nav-toggle-icon::after {
  top: 0;
  transform: rotate(-45deg);
}

#doc-nav {
  margin-top: 8px;
}

.doc-section-title {
  margin: 14px 8px 8px;
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.doc-section-title:first-child {
  margin-top: 4px;
}

.doc-link {
  display: block;
  padding: 10px 12px;
  border-radius: 8px;
  text-decoration: none;
  color: var(--text-dark);
  transition: background-color 0.18s ease, transform 0.18s ease;
}

.doc-link:hover {
  background: #f5f5f7;
  transform: translateX(2px);
}

.doc-link.active {
  background: #fde8e5;
  color: #7c1f15;
  font-weight: 600;
}

.content {
  border: 1px solid var(--border-soft);
  border-radius: 14px;
  background: var(--bg-white);
  padding: 32px;
  min-height: 50vh;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3 {
  margin-top: 1.2em;
  color: #1f2937;
}

.markdown-body h1 {
  margin-top: 0;
}

.markdown-body p,
.markdown-body li {
  line-height: 1.6;
}

.markdown-body code {
  background: #f1f1f3;
  padding: 1px 5px;
  border-radius: 4px;
}

.markdown-body pre {
  background: #111827;
  color: #f9fafb;
  padding: 14px;
  border-radius: 8px;
  overflow-x: auto;
}

@media (max-width: 900px) {
  .hero {
    padding-top: 18px;
  }

  .hero-inner {
    padding: 20px;
  }

  .layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    padding: 14px;
  }

  .sidebar h2 {
    margin: 0;
  }

  .nav-toggle {
    display: inline-flex;
  }

  #doc-nav {
    display: none;
    margin-top: 12px;
    max-height: 45vh;
    overflow-y: auto;
    padding-right: 4px;
  }

  .sidebar.sidebar-open #doc-nav {
    display: block;
  }

  .content {
    padding: 22px;
  }
}

/* Footer styles from homepage */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.cta-button {
  display: inline-block;
  background-color: var(--accent-red);
  color: white;
  padding: 12px 24px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  transition: all 0.3s ease;
  box-shadow: 0 8px 16px rgba(231, 76, 60, 0.25);
  border: none;
  cursor: pointer;
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 22px rgba(231, 76, 60, 0.35);
  background-color: #d63b2c;
}

footer {
  margin-top: 24px;
  background-color: #2c3e50;
  color: white;
  padding: 60px 0 20px;
}

footer h2 {
  color: white;
  margin-bottom: 50px;
  text-align: center;
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: 50px;
  margin-bottom: 50px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: 5px;
  font-family: inherit;
}

.contact-details h3 {
  margin-bottom: 20px;
  color: var(--primary-yellow);
}

.contact-details p {
  margin-bottom: 15px;
  font-size: 1.05rem;
}

.contact-details a {
  color: white;
  text-decoration: underline;
}

.legal {
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
  font-size: 0.9rem;
  color: #aaa;
}

.legal a {
  color: #aaa;
  margin: 0 10px;
}

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

  .contact-form,
  .contact-details {
    flex: 1;
  }

  .contact-details {
    padding-left: 50px;
  }
}