/* ============================================================
   凤凰体感 match-phoenix.com.cn
   全站共享样式 /assets/site.css
   高原数据流 · Bento 模块化信息板 · 悬浮胶囊导航
   ============================================================ */

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

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

body {
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: var(--font-scale-body);
  line-height: 1.8;
  color: var(--color-ink);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input, button, textarea, select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
}

ul, ol {
  list-style: none;
}

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

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 4px;
}

::selection {
  background: var(--color-accent);
  color: #fff;
}

main {
  display: block;
}

main:focus,
#main-content:focus {
  outline: none;
}

/* ---------- CSS Variables ---------- */
:root {
  --color-primary: #0F2E4A;
  --color-primary-light: #1B6B8F;
  --color-accent: #FF5A36;
  --color-gold: #FFC857;
  --color-bg: #F8F6F0;
  --color-ink: #222222;
  --color-data-green: #00D9A6;
  --color-warning: #E23B4E;
  --color-white: #FFFFFF;

  --font-heading: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Heiti SC", system-ui, sans-serif;
  --font-body: "Roboto Mono", "SF Mono", "Source Code Pro", "Cascadia Mono", ui-monospace, "Courier New", monospace;

  --container-width: 1200px;
  --container-pad: 20px;
  --header-height: 80px;
  --radius-s: 8px;
  --radius-m: 12px;
  --radius-l: 16px;
  --radius-pill: 999px;

  --shadow-s: 0 2px 8px rgba(15, 46, 74, 0.06);
  --shadow-m: 0 8px 24px rgba(15, 46, 74, 0.08);
  --shadow-l: 0 16px 48px rgba(15, 46, 74, 0.12);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  --font-scale-display: clamp(44px, 8vw, 72px);
  --font-scale-h1: clamp(34px, 5vw, 48px);
  --font-scale-h2: clamp(26px, 3.6vw, 36px);
  --font-scale-h3: clamp(20px, 2.4vw, 24px);
}

/* ---------- Typography ---------- */
h1, h2, h3 {
  font-family: var(--font-heading);
  line-height: 1.25;
  color: var(--color-primary);
}

h1 {
  font-size: var(--font-scale-h1);
  font-weight: 900;
  letter-spacing: -0.02em;
}

h2 {
  font-size: var(--font-scale-h2);
  font-weight: 800;
  letter-spacing: -0.015em;
}

h3 {
  font-size: var(--font-scale-h3);
  font-weight: 800;
  letter-spacing: -0.01em;
}

p {
  margin-bottom: 1em;
}

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

.display-title {
  font-family: var(--font-heading);
  font-size: var(--font-scale-display);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: #fff;
}

.display-title .accent {
  color: var(--color-accent);
}

.page-title {
  font-family: var(--font-heading);
  font-size: var(--font-scale-h1);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-primary);
}

.section-title {
  font-family: var(--font-heading);
  font-size: var(--font-scale-h2);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.015em;
  color: var(--color-primary);
}

.card-title {
  font-family: var(--font-heading);
  font-size: var(--font-scale-h3);
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--color-ink);
  margin-bottom: 12px;
}

.rich-text {
  font-size: 16px;
  line-height: 1.9;
}

.rich-text a {
  color: var(--color-primary-light);
  text-decoration: underline;
  text-decoration-color: rgba(27, 107, 143, 0.35);
  text-underline-offset: 4px;
}

.rich-text a:hover {
  color: var(--color-accent);
  text-decoration-color: var(--color-accent);
}

.caption {
  font-size: var(--font-scale-caption);
  line-height: 1.6;
  color: rgba(34, 34, 34, 0.6);
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.section-tag::before {
  content: "";
  width: 20px;
  height: 2px;
  background: currentColor;
}

.section-dark .section-tag {
  color: var(--color-gold);
}

.section-dark .page-title,
.section-dark .section-title,
.section-dark h2,
.section-dark h3 {
  color: #fff;
}

.section-dark .rich-text {
  color: rgba(255, 255, 255, 0.8);
}

/* ---------- Layout ---------- */
.container {
  width: min(100%, var(--container-width));
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.container-narrow {
  width: min(100%, 820px);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section {
  padding: 72px 0;
}

.section-dark {
  background: var(--color-primary);
  color: rgba(255, 255, 255, 0.85);
}

.section-hd {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.section-hd-caption {
  max-width: 360px;
  font-size: 13px;
  color: rgba(34, 34, 34, 0.6);
}

.section-dark .section-hd-caption {
  color: rgba(255, 255, 255, 0.6);
}

/* ---------- Header / Floating Capsule ---------- */
.site-header {
  position: fixed;
  top: 16px;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: center;
  padding: 0 var(--container-pad);
  pointer-events: none;
}

.header-inner {
  pointer-events: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: min(100%, 1080px);
  padding: 8px 12px 8px 24px;
  background: rgba(15, 46, 74, 0.92);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-pill);
  box-shadow: 0 8px 32px rgba(15, 46, 74, 0.25);
}

.skip-link {
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 200;
  padding: 10px 22px;
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
  border-radius: var(--radius-pill);
  pointer-events: auto;
  transform: translateY(-200%);
  transition: transform 0.3s ease;
  box-shadow: var(--shadow-m);
}

.skip-link:focus {
  transform: translateY(0);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  flex: 0 0 auto;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--color-accent), #FF905C);
  color: #fff;
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 900;
  flex: 0 0 auto;
  box-shadow: 0 4px 12px rgba(255, 90, 54, 0.35);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-name {
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.brand-slogan {
  font-family: var(--font-body);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.55);
  margin-top: 2px;
}

.site-nav {
  flex: 0 0 auto;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.85);
  white-space: nowrap;
  transition: background-color var(--transition), color var(--transition);
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.nav-link[aria-current="page"] {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 4px 12px rgba(255, 90, 54, 0.3);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  flex: 0 0 auto;
  transition: background-color var(--transition);
}

.nav-toggle:hover {
  background: rgba(255, 255, 255, 0.16);
}

.nav-toggle-line {
  width: 18px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Scroll Progress ---------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 300;
  pointer-events: none;
  background: linear-gradient(90deg, var(--color-accent), var(--color-gold));
  transform-origin: 0 50%;
  transform: scaleX(0);
}

/* ---------- Header Mobile ---------- */
@media (max-width: 768px) {
  .header-inner {
    flex-wrap: wrap;
    border-radius: 20px;
    padding: 10px 14px;
    width: 100%;
  }

  .site-nav {
    display: none;
    flex: 1 1 100%;
    order: 3;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    margin-top: 8px;
    padding-top: 6px;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
  }

  .site-nav[data-open] {
    display: block;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
  }

  .nav-link {
    padding: 12px 16px;
    border-radius: var(--radius-m);
  }

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

/* ---------- Footer ---------- */
.site-footer {
  position: relative;
  margin-top: 64px;
  padding: 64px 0 0;
  background: var(--color-primary);
  color: rgba(255, 255, 255, 0.75);
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-gold) 50%, var(--color-primary-light));
}

.footer-inner {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 40px 24px;
  width: min(100%, var(--container-width));
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.footer-brand {
  grid-column: span 4;
}

.footer-nav-col {
  grid-column: span 2;
}

.footer-legal-col {
  grid-column: span 2;
}

.footer-contact-col {
  grid-column: span 4;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 900;
  color: #fff;
  margin-bottom: 16px;
}

.footer-logo .brand-mark {
  width: 30px;
  height: 30px;
  font-size: 14px;
  border-radius: 8px;
}

.footer-text {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.65);
  max-width: 340px;
  margin-bottom: 16px;
}

.footer-trust {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 20px;
  padding: 12px 14px;
  border: 1px solid rgba(0, 217, 166, 0.3);
  border-radius: var(--radius-s);
  background: rgba(0, 217, 166, 0.08);
  color: var(--color-data-green);
  font-size: 12px;
  line-height: 1.7;
  max-width: 340px;
}

.footer-trust::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-data-green);
  flex: 0 0 auto;
  margin-top: 7px;
  box-shadow: 0 0 0 0 rgba(0, 217, 166, 0.5);
  animation: data-pulse 2s ease-in-out infinite;
}

@keyframes data-pulse {
  0% { box-shadow: 0 0 0 0 rgba(0, 217, 166, 0.5); }
  70% { box-shadow: 0 0 0 8px rgba(0, 217, 166, 0); }
  100% { box-shadow: 0 0 0 0 rgba(0, 217, 166, 0); }
}

.footer-heading {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 16px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  display: inline-block;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
  transition: color var(--transition), padding-left var(--transition);
}

.footer-links a:hover {
  color: var(--color-gold);
  padding-left: 4px;
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0;
}

.footer-contact-list p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.75);
  margin: 0;
}

.footer-foot {
  margin-top: 48px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-foot-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 24px;
  width: min(100%, var(--container-width));
  margin-inline: auto;
  padding: 18px var(--container-pad);
  font-size: 12px;
  color: rgba(255, 255, 255, 0.45);
}

.footer-foot-inner p {
  margin: 0;
}

.footer-icp a {
  color: rgba(255, 255, 255, 0.45);
  transition: color var(--transition);
}

.footer-icp a:hover {
  color: #fff;
}

@media (max-width: 1024px) {
  .footer-brand,
  .footer-contact-col {
    grid-column: span 6;
  }

  .footer-nav-col,
  .footer-legal-col {
    grid-column: span 3;
  }
}

@media (max-width: 640px) {
  .site-footer {
    padding-top: 48px;
  }

  .footer-inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px 20px;
  }

  .footer-brand,
  .footer-contact-col {
    grid-column: span 2;
  }

  .footer-foot-inner {
    justify-content: center;
    text-align: center;
  }
}

/* ---------- Page Header / Hero ---------- */
.page-header {
  position: relative;
  padding: calc(var(--header-height) + 56px) 0 56px;
  background:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    var(--color-primary);
  background-size: 32px 32px;
  color: #fff;
  overflow: hidden;
}

.page-header .page-title {
  color: #fff;
  position: relative;
  z-index: 1;
}

.page-header .page-sub {
  position: relative;
  z-index: 1;
  max-width: 620px;
  margin-top: 14px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.65);
}

.page-header::before {
  content: "";
  position: absolute;
  right: -70px;
  top: -70px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  border: 40px solid rgba(255, 90, 54, 0.16);
  pointer-events: none;
}

.page-header::after {
  content: "";
  position: absolute;
  left: -50px;
  bottom: -60px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  border: 22px solid rgba(27, 107, 143, 0.65);
  pointer-events: none;
}

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    var(--color-primary);
  background-size: 44px 44px;
  color: #fff;
  overflow: hidden;
}

.hero-inner {
  position: relative;
  z-index: 2;
  padding: 120px 0 80px;
}

.hero-sub {
  max-width: 580px;
  margin-top: 24px;
  padding-left: 22px;
  border-left: 3px solid var(--color-accent);
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.65);
}

.hero-deco {
  position: absolute;
  right: -100px;
  top: 50%;
  transform: translateY(-50%);
  width: 360px;
  height: 360px;
  border-radius: 50%;
  border: 60px solid rgba(255, 90, 54, 0.14);
  pointer-events: none;
}

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.55);
  position: relative;
  z-index: 1;
  margin-bottom: 20px;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition);
}

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

.breadcrumb-current {
  color: var(--color-gold);
}

.breadcrumb-sep {
  opacity: 0.4;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: var(--radius-pill);
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.2;
  border: 2px solid transparent;
  transition: background-color var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 6px 16px rgba(255, 90, 54, 0.3);
}

.btn-primary:hover {
  background: #E14A2A;
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(255, 90, 54, 0.35);
}

.btn-ghost {
  background: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-ghost:hover {
  background: var(--color-primary);
  color: #fff;
}

.btn-light {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.7);
  color: #fff;
}

.btn-light:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
}

.btn-accent-light {
  background: var(--color-gold);
  color: var(--color-primary);
  box-shadow: 0 6px 16px rgba(255, 200, 87, 0.25);
}

.btn-accent-light:hover {
  background: #FFD873;
  transform: translateY(-2px);
}

/* ---------- Cards & Bento ---------- */
.card {
  position: relative;
  background: #fff;
  border: 1px solid rgba(27, 107, 143, 0.16);
  border-radius: var(--radius-l);
  padding: 28px;
  box-shadow: var(--shadow-s);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-m);
  border-color: rgba(27, 107, 143, 0.35);
}

.card-dark {
  background: var(--color-primary);
  border-color: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.85);
}

.card-dark .card-title {
  color: #fff;
}

.card-dark .card-body {
  color: rgba(255, 255, 255, 0.7);
}

.card-accent {
  border-top: 3px solid var(--color-accent);
}

.card-body {
  font-size: 14px;
  line-height: 1.75;
  color: rgba(34, 34, 34, 0.75);
}

.card-body p {
  margin-bottom: 0.8em;
}

.card-body p:last-child {
  margin-bottom: 0;
}

.bento {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.bento .span-2 {
  grid-column: span 2;
}

.bento .span-3 {
  grid-column: span 3;
}

.bento .span-full {
  grid-column: 1 / -1;
}

.bento .row-2 {
  grid-row: span 2;
}

@media (max-width: 1024px) and (min-width: 641px) {
  .bento {
    grid-template-columns: repeat(2, 1fr);
  }

  .bento .span-3 {
    grid-column: span 2;
  }
}

@media (max-width: 1024px) {
  .bento .row-2 {
    grid-row: auto;
  }
}

@media (max-width: 640px) {
  .bento {
    grid-template-columns: 1fr;
  }

  .bento .span-2,
  .bento .span-3,
  .bento .span-full {
    grid-column: span 1;
  }
}

/* ---------- Media & Placeholder ---------- */
.media {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-m);
  background: rgba(27, 107, 143, 0.08);
}

.media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-ratio-16x9 {
  aspect-ratio: 16 / 9;
}

.media-ratio-4x3 {
  aspect-ratio: 4 / 3;
}

.media-ratio-1x1 {
  aspect-ratio: 1 / 1;
}

.media-placeholder {
  display: grid;
  place-items: center;
  min-height: 180px;
  padding: 24px;
  border-radius: var(--radius-m);
  background: linear-gradient(135deg, rgba(27, 107, 143, 0.12), rgba(15, 46, 74, 0.9)), var(--color-primary);
  color: rgba(255, 255, 255, 0.5);
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ---------- Tags ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.tag-gold {
  background: rgba(255, 200, 87, 0.18);
  color: #8F6B00;
}

.tag-blue {
  background: rgba(27, 107, 143, 0.12);
  color: var(--color-primary-light);
}

.tag-accent {
  background: var(--color-accent);
  color: #fff;
}

.tag-green {
  background: rgba(0, 217, 166, 0.14);
  color: #007A5C;
}

/* ---------- Data Number ---------- */
.data-number {
  font-family: var(--font-heading);
  font-size: 56px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
}

.data-number .data-unit,
.data-unit {
  font-size: 0.45em;
  font-weight: 700;
  margin-left: 6px;
  color: var(--color-primary-light);
  letter-spacing: 0;
}

.section-dark .data-unit {
  color: rgba(255, 255, 255, 0.6);
}

/* ---------- Tabs ---------- */
.tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 4px;
  background: rgba(27, 107, 143, 0.08);
  border-radius: var(--radius-pill);
  width: fit-content;
  max-width: 100%;
}

.tab {
  display: inline-flex;
  align-items: center;
  padding: 9px 20px;
  border-radius: var(--radius-pill);
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-primary-light);
  transition: background-color var(--transition), color var(--transition);
}

.tab:hover {
  background: rgba(255, 255, 255, 0.7);
  color: var(--color-primary);
}

.tab[aria-selected="true"] {
  background: var(--color-primary);
  color: #fff;
}

.tab-panel {
  padding: 28px 4px 0;
}

.tab-panel[hidden] {
  display: none !important;
}

/* ---------- Back to Top ---------- */
.back-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 90;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-size: 18px;
  line-height: 1;
  box-shadow: 0 8px 24px rgba(15, 46, 74, 0.35);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition), background-color var(--transition);
}

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

.back-top:hover {
  background: var(--color-accent);
  transform: translateY(-2px);
}

/* ---------- Reveal on Scroll ---------- */
.js-enabled [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
  transition-delay: var(--reveal-delay, 0ms);
}

.js-enabled [data-reveal].is-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Utilities ---------- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 40px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 40px; }

/* ---------- Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .js-enabled [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .footer-trust::before {
    animation: none;
  }
}