:root {
  --bg: #faf9f7;
  --bg-alt: #f4f2ee;
  --bg-hover: #fcfbf9;
  --ink: #1e1e1e;
  --ink-soft: #3d3d3d;
  --muted: #6b6b6b;
  --muted-2: #8a8a8a;
  --border: #e3e0da;
  --border-strong: #d0ccc4;
  --accent: #1e3a5f;
  --accent-hover: #162c47;
  --accent-soft: #e8edf3;
  --success: #2f6b4f;
  --success-soft: #e8f0eb;
  --warning: #8a6a1f;
  --warning-soft: #f4edda;
  --danger: #8a2f2f;
  --danger-soft: #f4e5e5;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background-color: var(--bg);
  color: var(--ink);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, system-ui, sans-serif;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, system-ui, sans-serif;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--ink);
  margin: 0;
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: inherit;
  font-weight: 500;
  font-size: 0.9375rem;
  line-height: 1;
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
}

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

.btn-primary:active {
  background-color: #102135;
  border-color: #102135;
}

.btn-secondary {
  background-color: transparent;
  color: var(--ink);
  border-color: var(--border-strong);
}

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

.btn-secondary:active {
  background-color: #e9e6e0;
}

.btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--ink-soft);
  padding: 0.5rem 0.75rem;
}

.btn-ghost:hover {
  background-color: var(--bg-alt);
  color: var(--ink);
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--ink-soft);
  text-decoration: none;
  padding: 0.375rem 0;
  position: relative;
  transition: color 0.15s ease;
}

.nav-link:hover {
  color: var(--ink);
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 0;
  height: 1.5px;
  background-color: var(--accent);
  transition: width 0.2s ease;
}

.nav-link:hover::after {
  width: 100%;
}

.mobile-menu {
  display: none;
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.mobile-menu.open {
  display: block;
}

.mobile-menu a {
  display: block;
  padding: 0.875rem 1.5rem;
  font-size: 0.9375rem;
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--border);
  transition: background-color 0.15s ease;
}

.mobile-menu a:hover {
  background-color: var(--bg-alt);
  color: var(--ink);
}

.mobile-menu a:last-child {
  border-bottom: none;
}

.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0.375rem;
  background: transparent;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

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

.hamburger span {
  display: block;
  height: 1.5px;
  width: 100%;
  background-color: var(--ink-soft);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.hamburger.open span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
}

.hamburger.open span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

.divider {
  height: 1px;
  background-color: var(--border);
  border: none;
  margin: 0;
}

.container-main {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

@media (min-width: 768px) {
  .container-main {
    padding-left: 2.5rem;
    padding-right: 2.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}