@charset "UTF-8";

/* ==========================================================================
   社團法人無家者關懷老幼扶持協會 (Homeless Concerns)
   官方網站 / 全站基礎樣式系統 (Base Tokens & Global Styles)
   ========================================================================== */

/* 引入 Google Fonts: Noto Sans TC & Noto Serif TC */
@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+TC:wght@300;400;500;600;700;800&family=Noto+Serif+TC:wght@600;700;900&display=swap");

/* --------------------------------------------------------------------------
   1. 暖木米白色彩系統 (Warm Linen & Amber Sun Palette - Crisp & High Contrast)
   -------------------------------------------------------------------------- */
:root {
  /* 背景層次 (Clear Paper & Warm Linen) */
  --bg-body: #faf8f4;           /* 溫潤暖米紙質底色 */
  --bg-surface: #ffffff;        /* 純白卡片表面 */
  --bg-card: #ffffff;           /* 純白高對比卡片 */
  --bg-card-hover: #ffffff;
  --bg-card-alt: #f6f1e8;       /* 溫和次級底色 */
  --bg-glass: rgba(250, 248, 244, 0.92); /* 導航毛玻璃吸頂 */

  /* 沉穩琥珀暖金 (高飽和、高對比) */
  --primary-gold: #b88231;
  --primary-gold-light: #c89242;
  --primary-gold-dark: #8f601b;
  --primary-gold-glow: rgba(184, 130, 49, 0.22);
  --primary-gold-subtle: rgba(184, 130, 49, 0.1);
  --primary-gold-border: rgba(184, 130, 49, 0.35);

  /* 鮮明生動標籤輔助色 (杜絕死灰與暗沉遮罩) */
  --badge-amber: linear-gradient(135deg, #c89242 0%, #a26d21 100%);
  --badge-blue: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  --badge-green: linear-gradient(135deg, #16a34a 0%, #15803d 100%);
  --badge-red: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
  --badge-purple: linear-gradient(135deg, #9333ea 0%, #7e22ce 100%);

  /* 人文文字色彩階層 (高對比清晰文字) */
  --text-white: #ffffff;
  --text-primary: #181513;      /* 極深暖炭黑 (最高可讀性) */
  --text-secondary: #3d3832;    /* 沉穩石墨深灰 */
  --text-muted: #6e675d;        /* 次要說明灰 */
  --text-subtle: #999084;       /* 輔助線條 */

  /* 邊框與分隔線 */
  --border-subtle: rgba(24, 21, 19, 0.08);
  --border-light: rgba(24, 21, 19, 0.12);
  --border-warm: rgba(184, 130, 49, 0.35);

  /* 陰影 (立體浮雕感，讓卡片鮮明跳出) */
  --shadow-sm: 0 2px 8px rgba(24, 21, 19, 0.05);
  --shadow-md: 0 10px 28px rgba(24, 21, 19, 0.08);
  --shadow-lg: 0 18px 45px rgba(24, 21, 19, 0.12);
  --shadow-gold: 0 8px 30px rgba(184, 130, 49, 0.18);

  /* 圓角尺寸 */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* 字體系統 */
  --font-base: "Noto Sans TC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-serif: "Noto Serif TC", Georgia, serif;
  --max-width: 1140px;
  --header-height: 92px;

  /* 過渡效果 */
  --transition-fast: all 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: all 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* --------------------------------------------------------------------------
   2. 基礎重設與通透背景 (Reset & Crystal Light Background)
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
  -webkit-text-size-adjust: 100%;
}

section[id], div[id] {
  scroll-margin-top: calc(var(--header-height) + 20px);
}

body {
  font-family: var(--font-base);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-secondary);
  background-color: var(--bg-body);
  background-image: 
    radial-gradient(ellipse at 50% 0%, rgba(200, 146, 66, 0.16) 0%, rgba(250, 248, 244, 0) 70%),
    radial-gradient(circle at 85% 30%, rgba(184, 130, 49, 0.05) 0%, transparent 50%);
  background-attachment: fixed;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

img, iframe {
  max-width: 100%;
  display: block;
}

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

/* 捲軸自訂 */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-body);
}

::-webkit-scrollbar-thumb {
  background: #d4ccbd;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-gold);
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* --------------------------------------------------------------------------
   全站通用按鈕與高亮 (Global Buttons & Highlight Utility)
   -------------------------------------------------------------------------- */
.highlight {
  color: var(--primary-gold-dark);
  display: inline-block;
  position: relative;
}

.highlight::after {
  content: "";
  position: absolute;
  bottom: 4px;
  left: 0;
  right: 0;
  height: 9px;
  background: rgba(200, 146, 66, 0.28);
  border-radius: 4px;
  z-index: -1;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  background: linear-gradient(135deg, var(--primary-gold) 0%, var(--primary-gold-dark) 100%);
  color: #ffffff !important;
  font-weight: 800;
  font-size: 0.98rem;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 22px var(--primary-gold-glow);
  transition: var(--transition-fast);
  text-decoration: none;
  cursor: pointer;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-gold-light) 0%, var(--primary-gold) 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px var(--primary-gold-glow);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 24px;
  background: #ffffff;
  border: 1.5px solid var(--border-light);
  color: var(--text-primary);
  font-weight: 700;
  font-size: 0.98rem;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-fast);
  text-decoration: none;
  cursor: pointer;
}

.btn-secondary:hover {
  border-color: var(--primary-gold);
  color: var(--primary-gold-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}