:root {
  --bg: #f4f6fb;
  --bg-soft: #eaeef7;
  --surface: #ffffff;
  --surface-glass: rgba(255, 255, 255, 0.72);
  --surface-glass-strong: rgba(255, 255, 255, 0.88);
  --text: #1c2333;
  --text-soft: #4a5568;
  --text-muted: #6b7688;
  --primary: #1f3a5f;
  --primary-light: #2f5d8a;
  --accent: #e8b04b;
  --accent-soft: #f5d68a;
  --border: rgba(31, 58, 95, 0.12);
  --shadow-sm: 0 2px 8px rgba(23, 37, 60, 0.06);
  --shadow-md: 0 8px 28px rgba(23, 37, 60, 0.1);
  --shadow-lg: 0 18px 50px rgba(23, 37, 60, 0.16);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;
  --gradient-hero: linear-gradient(135deg, #1f3a5f 0%, #2f5d8a 45%, #3f7ba8 100%);
  --gradient-accent: linear-gradient(120deg, #e8b04b 0%, #f2c46d 50%, #d99a2b 100%);
  --gradient-soft: linear-gradient(160deg, rgba(47, 93, 138, 0.08), rgba(232, 176, 75, 0.08));
  --header-h: 72px;
  --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

html[data-theme="dark"],
body.dark-mode {
  --bg: #0e1420;
  --bg-soft: #141c2b;
  --surface: #182235;
  --surface-glass: rgba(24, 34, 53, 0.72);
  --surface-glass-strong: rgba(24, 34, 53, 0.9);
  --text: #e6ecf5;
  --text-soft: #b4c0d3;
  --text-muted: #8a97ac;
  --primary: #7fa9d4;
  --primary-light: #a8c8e8;
  --accent: #f0c469;
  --accent-soft: #6b5320;
  --border: rgba(160, 190, 225, 0.16);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 18px 50px rgba(0, 0, 0, 0.55);
  --gradient-hero: linear-gradient(135deg, #101a2c 0%, #1b2f4a 45%, #24425f 100%);
  --gradient-soft: linear-gradient(160deg, rgba(127, 169, 212, 0.1), rgba(240, 196, 105, 0.08));
}

@media (prefers-color-scheme: dark) {
  html:not([data-theme="light"]) {
    --bg: #0e1420;
    --bg-soft: #141c2b;
    --surface: #182235;
    --surface-glass: rgba(24, 34, 53, 0.72);
    --surface-glass-strong: rgba(24, 34, 53, 0.9);
    --text: #e6ecf5;
    --text-soft: #b4c0d3;
    --text-muted: #8a97ac;
    --primary: #7fa9d4;
    --primary-light: #a8c8e8;
    --accent: #f0c469;
    --accent-soft: #6b5320;
    --border: rgba(160, 190, 225, 0.16);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 18px 50px rgba(0, 0, 0, 0.55);
    --gradient-hero: linear-gradient(135deg, #101a2c 0%, #1b2f4a 45%, #24425f 100%);
    --gradient-soft: linear-gradient(160deg, rgba(127, 169, 212, 0.1), rgba(240, 196, 105, 0.08));
  }
}

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

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

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background-color: var(--bg);
  background-image:
    radial-gradient(circle at 12% 8%, rgba(47, 93, 138, 0.1) 0%, transparent 42%),
    radial-gradient(circle at 88% 4%, rgba(232, 176, 75, 0.1) 0%, transparent 38%),
    radial-gradient(circle at 50% 100%, rgba(47, 93, 138, 0.06) 0%, transparent 45%);
  background-attachment: fixed;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background-color var(--transition), color var(--transition);
}

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

svg {
  height: auto;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition), opacity var(--transition);
}

a:hover,
a:focus-visible {
  color: var(--accent);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

ul,
ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.35;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(1.65rem, 3.4vw, 2.6rem); }
h2 { font-size: clamp(1.4rem, 2.6vw, 2rem); }
h3 { font-size: clamp(1.12rem, 1.9vw, 1.4rem); }
h4 { font-size: 1.05rem; }

p {
  color: var(--text-soft);
}

strong {
  color: var(--text);
  font-weight: 700;
}

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

/* ============ HEADER ============ */
#site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--surface-glass);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: background var(--transition), box-shadow var(--transition);
}

.top-bar {
  background: var(--gradient-hero);
  color: rgba(255, 255, 255, 0.92);
  text-align: center;
  padding: 6px 16px;
  font-size: 0.78rem;
  letter-spacing: 0.02em;
}

.top-bar p {
  color: inherit;
  margin: 0;
}

.header-main {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  max-width: 1280px;
  margin: 0 auto;
  padding: 12px 24px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  color: var(--text);
}

.logo svg {
  border-radius: 12px;
  box-shadow: 0 4px 14px rgba(31, 58, 95, 0.28);
  transition: transform var(--transition);
}

.logo:hover svg {
  transform: rotate(-6deg) scale(1.05);
}

.logo-text {
  font-size: 1.18rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

html[data-theme="dark"] .logo-text,
body.dark-mode .logo-text {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

#main-nav {
  flex: 1 1 auto;
  min-width: 0;
}

#main-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

#main-nav a {
  display: inline-block;
  padding: 6px 11px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-soft);
  border-radius: var(--radius-pill);
  transition: background var(--transition), color var(--transition), transform var(--transition);
}

#main-nav a:hover,
#main-nav a:focus-visible {
  background: var(--gradient-soft);
  color: var(--primary);
  transform: translateY(-1px);
}

.site-search {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 0 1 280px;
  min-width: 0;
}

.site-search input[type="search"] {
  flex: 1 1 auto;
  min-width: 0;
  padding: 8px 14px;
  font-size: 0.85rem;
  font-family: inherit;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.site-search input[type="search"]::placeholder {
  color: var(--text-muted);
}

.site-search input[type="search"]:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(232, 176, 75, 0.22);
  outline: none;
}

.site-search button {
  flex-shrink: 0;
  padding: 8px 16px;
  font-size: 0.85rem;
  font-family: inherit;
  font-weight: 600;
  color: #fff;
  background: var(--gradient-hero);
  border: none;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
}

.site-search button:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  filter: brightness(1.08);
}

#theme-toggle,
#menu-toggle {
  flex-shrink: 0;
  padding: 8px 14px;
  font-size: 0.82rem;
  font-family: inherit;
  font-weight: 600;
  color: var(--primary);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
}

#theme-toggle:hover,
#menu-toggle:hover {
  background: var(--gradient-soft);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

#menu-toggle {
  display: none;
}

/* ============ BREADCRUMB ============ */
.breadcrumb {
  max-width: 1280px;
  margin: 0 auto;
  padding: 14px 24px 0;
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.breadcrumb li + li::before {
  content: "/";
  margin-right: 6px;
  color: var(--text-muted);
  opacity: 0.6;
}

.breadcrumb a {
  color: var(--text-muted);
}

.breadcrumb a:hover {
  color: var(--accent);
}

.breadcrumb [aria-current="page"] {
  color: var(--primary);
  font-weight: 600;
}

/* ============ LAYOUT / SECTIONS ============ */
main {
  max-width: 1280px;
  margin: 0 auto;
  padding: 8px 24px 64px;
}

main > section {
  margin-top: 56px;
  padding: 40px clamp(20px, 4vw, 48px);
  background: var(--surface-glass);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition), background var(--transition);
}

main > section:hover {
  box-shadow: var(--shadow-md);
}

main > section > h2 {
  position: relative;
  padding-left: 18px;
  margin-bottom: 22px;
}

main > section > h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.18em;
  bottom: 0.18em;
  width: 6px;
  border-radius: var(--radius-pill);
  background: var(--gradient-accent);
  box-shadow: 0 0 12px rgba(232, 176, 75, 0.5);
}

section h3 {
  margin-top: 30px;
  margin-bottom: 12px;
  color: var(--primary);
}

section h3::after {
  content: "";
  display: block;
  width: 40px;
  height: 3px;
  margin-top: 8px;
  border-radius: var(--radius-pill);
  background: var(--gradient-accent);
  opacity: 0.7;
}

section p {
  margin-bottom: 14px;
}

section p:last-child {
  margin-bottom: 0;
}

section ul:not([class]),
section ol:not([class]) {
  margin: 12px 0 18px;
  padding-left: 0;
}

section ul:not([class]) li,
section ol:not([class]) li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 10px;
  color: var(--text-soft);
}

section ul:not([class]) li::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 0.68em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gradient-accent);
  box-shadow: 0 0 0 3px rgba(232, 176, 75, 0.18);
}

section ol:not([class]) {
  counter-reset: ol-counter;
}

section ol:not([class]) li {
  counter-increment: ol-counter;
  padding-left: 38px;
}

section ol:not([class]) li::before {
  content: counter(ol-counter);
  position: absolute;
  left: 0;
  top: 0.15em;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  font-size: 0.78rem;
  font-weight: 700;
  color: #fff;
  background: var(--gradient-hero);
  border-radius: 50%;
}

/* ============ HERO ============ */
#hero {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 5vw, 56px) clamp(20px, 4vw, 56px);
  background: var(--gradient-hero);
  border: none;
  color: #fff;
  isolation: isolate;
}

#hero::before {
  content: "";
  position: absolute;
  inset: -40%;
  z-index: -1;
  background:
    radial-gradient(circle at 20% 20%, rgba(232, 176, 75, 0.32), transparent 42%),
    radial-gradient(circle at 80% 10%, rgba(120, 190, 255, 0.28), transparent 40%),
    radial-gradient(circle at 60% 90%, rgba(232, 176, 75, 0.16), transparent 45%);
  animation: heroGlow 14s ease-in-out infinite alternate;
}

@keyframes heroGlow {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(3%, -3%) scale(1.08); }
}

#hero h1,
#hero h2 {
  color: #fff;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.28);
}

#hero h2 {
  margin-bottom: 14px;
}

#hero p {
  color: rgba(255, 255, 255, 0.88);
  max-width: 78ch;
}

.hero-slider {
  position: relative;
  padding-bottom: 56px;
}

.slide {
  padding: 22px 26px;
  margin-bottom: 14px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius-md);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: transform var(--transition), background var(--transition), box-shadow var(--transition);
}

.slide:hover {
  transform: translateY(-3px);
  background: rgba(255, 255, 255, 0.16);
  box-shadow: var(--shadow-lg);
}

.slide:first-child {
  background: rgba(255, 255, 255, 0.14);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.btn-primary,
.btn-secondary {
  display: inline-block;
  padding: 11px 26px;
  font-size: 0.92rem;
  font-weight: 700;
  border-radius: var(--radius-pill);
  transition: transform var(--transition), box-shadow var(--transition), filter var(--transition), background var(--transition);
}

.btn-primary {
  color: #1c2333;
  background: var(--gradient-accent);
  box-shadow: 0 8px 24px rgba(232, 176, 75, 0.36);
}

.btn-primary:hover {
  color: #1c2333;
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(232, 176, 75, 0.5);
  filter: brightness(1.05);
}

.btn-secondary {
  color: #fff;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  color: #fff;
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.24);
  box-shadow: var(--shadow-md);
}

.slider-controls {
  position: absolute;
  left: 0;
  bottom: 0;
  display: flex;
  gap: 10px;
}

.slider-controls button {
  padding: 8px 20px;
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: var(--radius-pill);
  cursor: pointer;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: background var(--transition), transform var(--transition);
}

.slider-controls button:hover {
  background: rgba(255, 255, 255, 0.26);
  transform: translateY(-1px);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 28px;
}

.stat {
  padding: 18px 14px;
  text-align: center;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform var(--transition), background var(--transition);
}

.stat:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.18);
}

.stat-num {
  display: block;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  line-height: 1.1;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.stat span {
  display: block;
  margin-top: 6px;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.82);
  letter-spacing: 0.03em;
}

/* ============ TEAM ============ */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.team-card {
  padding: 22px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.team-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: rgba(232, 176, 75, 0.5);
}

.team-card h4 {
  margin-bottom: 10px;
  color: var(--primary);
}

.team-card p {
  font-size: 0.9rem;
  margin: 0;
}

/* ============ NEWS / ARTICLES ============ */
.news-item,
.article-card {
  padding: 22px 24px;
  margin-bottom: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.news-item:last-child,
.article-card:last-child {
  margin-bottom: 0;
}

.news-item:hover,
.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(47, 93, 138, 0.35);
}

.news-item h3,
.article-card h3 {
  margin-top: 0;
  margin-bottom: 8px;
  font-size: 1.12rem;
}

.news-item h3::after,
.article-card h3::after {
  display: none;
}

.article-card h3 a {
  color: var(--text);
}

.article-card h3 a:hover {
  color: var(--accent);
}

.meta {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 10px;
  letter-spacing: 0.02em;
}

.news-item p:not(.meta),
.article-card p:not(.meta) {
  font-size: 0.92rem;
}

.read-more {
  display: inline-block;
  margin-top: 4px;
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--primary);
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition), color var(--transition), transform var(--transition);
}

.read-more::after {
  content: " →";
  transition: transform var(--transition);
  display: inline-block;
}

.read-more:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.read-more:hover::after {
  transform: translateX(4px);
}

/* ============ BLOCKQUOTE / TESTIMONIALS ============ */
#testimonials blockquote {
  position: relative;
  padding: 22px 24px 22px 56px;
  margin-bottom: 16px;
  background: var(--gradient-soft);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius-md);
  transition: transform var(--transition), box-shadow var(--transition);
}

#testimonials blockquote:last-child {
  margin-bottom: 0;
}

#testimonials blockquote::before {
  content: "\201C";
  position: absolute;
  left: 16px;
  top: 6px;
  font-size: 3rem;
  line-height: 1;
  color: var(--accent);
  opacity: 0.7;
  font-family: Georgia, serif;
}

#testimonials blockquote:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
}

#testimonials blockquote p {
  font-size: 0.94rem;
  font-style: italic;
  margin: 0;
  color: var(--text-soft);
}

/* ============ FAQ ============ */
#faq details {
  margin-bottom: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--transition), border-color var(--transition);
}

#faq details:last-of-type {
  margin-bottom: 0;
}

#faq details[open] {
  border-color: rgba(232, 176, 75, 0.55);
  box-shadow: var(--shadow-md);
}

#faq summary {
  position: relative;
  padding: 16px 52px 16px 20px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  list-style: none;
  transition: background var(--transition), color var(--transition);
}

#faq summary::-webkit-details-marker {
  display: none;
}

#faq summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  background: var(--gradient-soft);
  border-radius: 50%;
  transition: transform var(--transition), background var(--transition), color var(--transition);
}

#faq details[open] summary::after {
  content: "−";
  transform: translateY(-50%) rotate(180deg);
  background: var(--gradient-accent);
  color: #1c2333;
}

#faq summary:hover {
  background: var(--gradient-soft);
  color: var(--primary);
}

#faq details p {
  padding: 0 20px 18px;
  font-size: 0.92rem;
  margin: 0;
  animation: fadeIn 0.32s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============ ADDRESS ============ */
address {
  font-style: normal;
  padding: 20px 24px;
  margin: 16px 0;
  background: var(--gradient-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

address p {
  margin-bottom: 8px;
  font-size: 0.92rem;
}

address p:last-child {
  margin-bottom: 0;
}

/* ============ SITEMAP / LINKS ============ */
.sitemap-list,
.friend-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.sitemap-list li,
.friend-links li {
  margin: 0;
  padding: 0;
}

.sitemap-list li::before,
.friend-links li::before {
  display: none;
}

.sitemap-list a,
.friend-links a {
  display: inline-block;
  padding: 8px 18px;
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--text-soft);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  transition: background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.sitemap-list a:hover,
.friend-links a:hover {
  color: #fff;
  background: var(--gradient-hero);
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ============ FOOTER ============ */
#site-footer {
  position: relative;
  margin-top: 64px;
  padding: 56px clamp(20px, 4vw, 56px) 40px;
  background: var(--gradient-hero);
  color: rgba(255, 255, 255, 0.86);
  border-top: 1px solid var(--border);
}

#site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 15% 20%, rgba(232, 176, 75, 0.14), transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(120, 190, 255, 0.12), transparent 42%);
  pointer-events: none;
}

#site-footer > * {
  position: relative;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
}

#site-footer h2 {
  font-size: 1.05rem;
  margin-bottom: 12px;
  color: var(--accent-soft);
}

#site-footer p,
#site-footer li,
#site-footer a {
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.88rem;
}

#site-footer a:hover {
  color: var(--accent);
}

.footer-brand {
  padding-bottom: 24px;
  margin-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.footer-brand p {
  margin-bottom: 6px;
}

.footer-brand strong {
  color: #fff;
  font-size: 1.05rem;
}

.footer-links ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-bottom: 24px;
}

#copyright,
#privacy,
#disclaimer {
  padding: 20px 22px;
  margin-bottom: 18px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-md);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.footer-meta {
  padding-top: 20px;
  margin-top: 8px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.footer-meta p {
  margin-bottom: 4px;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.7);
}

#back-to-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 90;
  padding: 12px 18px;
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 700;
  color: #1c2333;
  background: var(--gradient-accent);
  border: none;
  border-radius: var(--radius-pill);
  cursor: pointer;
  box-shadow: 0 10px 28px rgba(232, 176, 75, 0.42);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition), filter var(--transition);
}

#back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

#back-to-top:hover {
  filter: brightness(1.08);
  transform: translateY(-3px);
}

/* ============ SCROLL REVEAL ============ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: opacity, transform;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1080px) {
  .header-main {
    gap: 12px;
  }
  .site-search {
    flex-basis: 220px;
  }
  #main-nav a {
    padding: 6px 9px;
    font-size: 0.84rem;
  }
}

@media (max-width: 900px) {
  :root {
    --header-h: 64px;
  }
  .header-main {
    padding: 10px 16px;
    gap: 10px;
  }
  #menu-toggle {
    display: inline-block;
    margin-left: auto;
  }
  #main-nav {
    order: 5;
    flex-basis: 100%;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  }
  #main-nav.is-open {
    max-height: 640px;
    overflow-y: auto;
  }
  #main-nav ul {
    flex-direction: column;
    gap: 2px;
    padding: 6px 0 10px;
  }
  #main-nav a {
    display: block;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
  }
  .site-search {
    order: 6;
    flex-basis: 100%;
    margin-top: 4px;
  }
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  main {
    padding: 8px 16px 48px;
  }
  main > section {
    margin-top: 40px;
    padding: 28px 20px;
    border-radius: var(--radius-md);
  }
  .breadcrumb {
    padding: 12px 16px 0;
  }
}

@media (max-width: 600px) {
  body {
    font-size: 15px;
  }
  .top-bar {
    font-size: 0.72rem;
    padding: 5px 12px;
  }
  .logo-text {
    font-size: 1.02rem;
  }
  .logo svg {
    width: 36px;
    height: 36px;
  }
  #theme-toggle,
  #menu-toggle {
    padding: 7px 11px;
    font-size: 0.76rem;
  }
  #hero {
    padding: 24px 16px 32px;
  }
  .slide {
    padding: 18px 18px;
  }
  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }
  .btn-primary,
  .btn-secondary {
    text-align: center;
  }
  .hero-stats {
    gap: 10px;
  }
  .stat {
    padding: 14px 10px;
  }
  .news-item,
  .article-card {
    padding: 18px 16px;
  }
  #testimonials blockquote {
    padding: 18px 16px 18px 46px;
  }
  #faq summary {
    padding: 14px 46px 14px 16px;
    font-size: 0.94rem;
  }
  #faq details p {
    padding: 0 16px 16px;
  }
  address {
    padding: 16px;
  }
  #site-footer {
    padding: 40px 16px 32px;
  }
  #copyright,
  #privacy,
  #disclaimer {
    padding: 16px;
  }
  #back-to-top {
    right: 14px;
    bottom: 14px;
    padding: 10px 14px;
    font-size: 0.76rem;
  }
  .sitemap-list a,
  .friend-links a {
    padding: 7px 14px;
    font-size: 0.8rem;
  }
}

/* ============ MOTION PREFERENCES ============ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ============ PRINT ============ */
@media print {
  #site-header,
  #back-to-top,
  .slider-controls,
  .hero-stats {
    display: none !important;
  }
  body {
    background: #fff;
    color: #000;
  }
  main > section {
    box-shadow: none;
    border: 1px solid #ccc;
    break-inside: avoid;
  }
  a {
    color: #000;
    text-decoration: underline;
  }
}