/* LongFu88 — Base styles: variables, reset, typography, utilities */

:root {
  --color-primary: #e60012;
  --color-primary-dark: #c4000f;
  --color-primary-light: #ff1a2e;
  --color-gold: #d4af37;
  --color-gold-light: #f0c040;
  --color-dark: #0d0d0d;
  --color-dark-2: #1a1a1a;
  --color-gray-100: #f7f7f7;
  --color-gray-200: #f0f0f0;
  --color-gray-300: #e0e0e0;
  --color-gray-400: #b0b0b0;
  --color-gray-500: #808080;
  --color-gray-600: #555555;
  --color-gray-700: #333333;
  --color-white: #ffffff;
  --color-black: #000000;
  --color-success: #22c55e;
  --color-info: #3b82f6;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);

  --container-max: 1200px;
  --container-padding: 16px;

  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-gray-700);
  background-color: var(--color-gray-100);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6, p {
  margin: 0;
}

ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.section {
  padding: 48px 0;
}

.section-title {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-dark);
  text-align: center;
  margin-bottom: 8px;
  line-height: 1.25;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--color-gray-500);
  text-align: center;
  margin-bottom: 32px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.95rem;
  text-align: center;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(230, 0, 18, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  box-shadow: 0 6px 18px rgba(230, 0, 18, 0.45);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline:hover {
  background: rgba(230, 0, 18, 0.06);
}

.btn-dark {
  background: var(--color-dark-2);
  color: var(--color-white);
}

.btn-dark:hover {
  background: var(--color-dark);
}

.btn-gold {
  background: linear-gradient(135deg, var(--color-gold-light) 0%, var(--color-gold) 100%);
  color: var(--color-dark);
}

.text-primary { color: var(--color-primary); }
.text-gold { color: var(--color-gold); }
.text-center { text-align: center; }
.fw-bold { font-weight: 700; }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.no-scroll {
  overflow: hidden;
}