/* ============================================
   十年之约 — foreverblog.net
   Modern, elegant design with Chinese aesthetics
   ============================================ */

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

:root {
  /* Color palette — warm ink tones */
  --ink-900: #0a0a0f;
  --ink-800: #141420;
  --ink-700: #1e1e2e;
  --ink-600: #2a2a3d;
  --ink-500: #3d3d56;
  --ink-400: #5c5c7a;
  --ink-300: #8888a4;
  --ink-200: #b8b8cc;
  --ink-100: #e0e0ea;
  --ink-50:  #f4f4f8;

  /* Accent — warm amber/gold */
  --accent-500: #c8a04a;
  --accent-400: #d4b060;
  --accent-300: #e0c47a;
  --accent-200: #ecd89e;
  --accent-glow: rgba(200, 160, 74, 0.15);

  /* Success / Error */
  --green: #4ade80;
  --red: #f87171;
  --blue: #60a5fa;

  /* Typography */
  --font-serif: 'Noto Serif SC', 'Songti SC', serif;
  --font-sans: 'Noto Sans SC', -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;

  /* Spacing */
  --section-pad: clamp(80px, 10vw, 140px);
  --container: 1200px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--ink-900);
  color: var(--ink-200);
  line-height: 1.7;
  overflow-x: hidden;
}

a {
  color: var(--accent-400);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover { color: var(--accent-300); }

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

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 40px);
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 clamp(20px, 4vw, 40px);
  transition: background 0.3s, box-shadow 0.3s, backdrop-filter 0.3s;
}

.nav.scrolled {
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 1px 0 rgba(255,255,255,0.05);
}

.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink-50);
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.15rem;
  text-decoration: none;
}

.logo-icon {
  color: var(--accent-400);
  font-size: 1.3rem;
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  color: var(--ink-300);
  font-size: 0.9rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--accent-400);
  transition: width 0.3s var(--ease-out);
}

.nav-links a:hover {
  color: var(--ink-50);
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  width: 22px;
  height: 1.5px;
  background: var(--ink-200);
  transition: transform 0.3s, opacity 0.3s;
}

.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(4px, 4px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(4px, -4px); }

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 120px 24px 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(200,160,74,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200,160,74,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 70%);
}

.hero-glow {
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(200,160,74,0.08) 0%, transparent 60%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 100px;
  background: rgba(200,160,74,0.08);
  border: 1px solid rgba(200,160,74,0.15);
  color: var(--accent-300);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  margin-bottom: 32px;
  animation: fadeInUp 0.8s var(--ease-out) both;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-400);
  animation: pulse 2s ease-in-out infinite;
}

.hero-title {
  font-family: var(--font-serif);
  margin-bottom: 24px;
  animation: fadeInUp 0.8s 0.1s var(--ease-out) both;
}

.title-line {
  display: block;
}

.title-line:first-child {
  font-size: clamp(2.8rem, 7vw, 5rem);
  font-weight: 900;
  color: var(--ink-50);
  line-height: 1.15;
  letter-spacing: 0.08em;
  background: linear-gradient(135deg, var(--ink-50) 0%, var(--accent-300) 50%, var(--accent-400) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.title-sub {
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  font-weight: 400;
  color: var(--ink-300);
  margin-top: 8px;
  letter-spacing: 0.15em;
}

.hero-desc {
  font-size: clamp(0.95rem, 1.8vw, 1.1rem);
  color: var(--ink-300);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.8;
  animation: fadeInUp 0.8s 0.2s var(--ease-out) both;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 64px;
  animation: fadeInUp 0.8s 0.3s var(--ease-out) both;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  animation: fadeInUp 0.8s 0.4s var(--ease-out) both;
}

.stat-item { text-align: center; }

.stat-number {
  display: block;
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--ink-50);
  line-height: 1.2;
}

.stat-label {
  font-size: 0.82rem;
  color: var(--ink-400);
  letter-spacing: 0.05em;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.08);
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--ink-500);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  animation: fadeInUp 0.8s 0.5s var(--ease-out) both;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--ink-500), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 8px;
  font-size: 0.92rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s var(--ease-out);
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-500), var(--accent-400));
  color: var(--ink-900);
  box-shadow: 0 0 24px rgba(200,160,74,0.2);
}

.btn-primary:hover {
  color: var(--ink-900);
  transform: translateY(-2px);
  box-shadow: 0 4px 32px rgba(200,160,74,0.35);
}

.btn-ghost {
  background: rgba(255,255,255,0.05);
  color: var(--ink-200);
  border: 1px solid rgba(255,255,255,0.1);
}

.btn-ghost:hover {
  background: rgba(255,255,255,0.1);
  color: var(--ink-50);
  border-color: rgba(255,255,255,0.15);
}

.btn-outline {
  background: transparent;
  color: var(--accent-400);
  border: 1px solid rgba(200,160,74,0.3);
}

.btn-outline:hover {
  background: rgba(200,160,74,0.08);
  color: var(--accent-300);
  border-color: rgba(200,160,74,0.5);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1rem;
  border-radius: 10px;
}

/* --- Sections --- */
.section {
  padding: var(--section-pad) 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  color: var(--accent-400);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  color: var(--ink-50);
  margin-bottom: 12px;
  letter-spacing: 0.03em;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--ink-400);
}

/* --- About Cards --- */
.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.about-card {
  padding: 36px 28px;
  border-radius: 16px;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.05);
  transition: all 0.4s var(--ease-out);
  position: relative;
  overflow: hidden;
}

.about-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-500), transparent);
  opacity: 0;
  transition: opacity 0.4s;
}

.about-card:hover {
  background: rgba(255,255,255,0.04);
  border-color: rgba(200,160,74,0.15);
  transform: translateY(-4px);
}

.about-card:hover::before { opacity: 1; }

.about-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(200,160,74,0.08);
  color: var(--accent-400);
  margin-bottom: 20px;
}

.about-card h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--ink-100);
  margin-bottom: 12px;
  font-weight: 600;
}

.about-card p {
  font-size: 0.9rem;
  color: var(--ink-400);
  line-height: 1.7;
}

/* --- Spirit --- */
.spirit {
  background: linear-gradient(180deg, var(--ink-900) 0%, var(--ink-800) 50%, var(--ink-900) 100%);
}

.spirit-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.spirit-card {
  padding: 32px 28px;
  border-radius: 14px;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.04);
  transition: all 0.3s var(--ease-out);
}

.spirit-card:hover {
  background: rgba(255,255,255,0.04);
  border-color: rgba(200,160,74,0.12);
}

.spirit-card-wide {
  grid-column: span 3;
}

.spirit-num {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 900;
  color: rgba(200,160,74,0.12);
  line-height: 1;
  margin-bottom: 12px;
}

.spirit-card h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--ink-100);
  margin-bottom: 10px;
  font-weight: 600;
}

.spirit-card p {
  font-size: 0.88rem;
  color: var(--ink-400);
  line-height: 1.7;
}

/* --- Treaty --- */
.treaty-content {
  max-width: 800px;
  margin: 0 auto;
}

.treaty-accordion {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.accordion-item {
  border-radius: 12px;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.05);
  overflow: hidden;
  transition: border-color 0.3s;
}

.accordion-item.active {
  border-color: rgba(200,160,74,0.15);
}

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 24px;
  background: none;
  border: none;
  color: var(--ink-100);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  font-family: var(--font-sans);
  text-align: left;
}

.accordion-icon {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--accent-400);
  font-weight: 700;
  flex-shrink: 0;
}

.accordion-title { flex: 1; }

.accordion-arrow {
  flex-shrink: 0;
  color: var(--ink-400);
  transition: transform 0.3s var(--ease-out);
}

.accordion-item.active .accordion-arrow {
  transform: rotate(180deg);
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease-out), padding 0.4s;
}

.accordion-item.active .accordion-body {
  max-height: 400px;
  padding: 0 24px 20px 62px;
}

.treaty-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.treaty-list li {
  font-size: 0.88rem;
  color: var(--ink-300);
  line-height: 1.7;
  padding-left: 16px;
  position: relative;
}

.treaty-list li::before {
  content: '·';
  position: absolute;
  left: 0;
  color: var(--accent-400);
  font-weight: bold;
}

.treaty-list li strong {
  color: var(--ink-100);
  font-weight: 600;
}

.treaty-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.treaty-footer p {
  font-size: 0.82rem;
  color: var(--ink-500);
}

/* --- Stats --- */
.stats {
  background: linear-gradient(180deg, var(--ink-900) 0%, var(--ink-800) 100%);
}

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

.stats-card {
  padding: 36px 28px;
  border-radius: 16px;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.05);
  text-align: center;
  transition: all 0.3s var(--ease-out);
}

.stats-card:hover {
  transform: translateY(-4px);
  border-color: rgba(200,160,74,0.12);
}

.stats-primary {
  background: rgba(200,160,74,0.04);
  border-color: rgba(200,160,74,0.12);
}

.stats-icon {
  color: var(--accent-400);
  margin-bottom: 16px;
  opacity: 0.7;
}

.stats-number {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--ink-50);
  line-height: 1.1;
  margin-bottom: 8px;
}

.stats-label {
  font-size: 0.88rem;
  color: var(--ink-400);
  margin-bottom: 16px;
}

.stats-bar {
  height: 3px;
  background: rgba(255,255,255,0.05);
  border-radius: 2px;
  overflow: hidden;
}

.stats-bar-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent-500), var(--accent-300));
  border-radius: 2px;
  transition: width 1.5s var(--ease-out);
}

.stats-bar-fill.animated {
  width: var(--fill);
}

/* --- Timeline --- */
.timeline-track {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
  padding-left: 40px;
}

.timeline-line {
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, transparent, rgba(200,160,74,0.2), transparent);
}

.timeline-item {
  position: relative;
  padding-bottom: 40px;
}

.timeline-item:last-child { padding-bottom: 0; }

.timeline-dot {
  position: absolute;
  left: -36px;
  top: 8px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ink-700);
  border: 2px solid rgba(200,160,74,0.3);
  transition: all 0.3s;
}

.timeline-dot.active {
  background: var(--accent-400);
  border-color: var(--accent-400);
  box-shadow: 0 0 16px rgba(200,160,74,0.4);
}

.timeline-card {
  padding: 20px 24px;
  border-radius: 12px;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.05);
  transition: border-color 0.3s;
}

.timeline-card:hover {
  border-color: rgba(200,160,74,0.12);
}

.timeline-year {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent-400);
  margin-bottom: 6px;
}

.timeline-card p {
  font-size: 0.9rem;
  color: var(--ink-300);
  line-height: 1.6;
}

/* --- Join --- */
.join-card {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  padding: 64px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(200,160,74,0.04), rgba(200,160,74,0.01));
  border: 1px solid rgba(200,160,74,0.1);
  align-items: center;
}

.join-content h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--ink-50);
  margin-bottom: 16px;
  font-weight: 700;
}

.join-content p {
  font-size: 0.95rem;
  color: var(--ink-300);
  margin-bottom: 32px;
  line-height: 1.7;
}

.join-content p a {
  color: var(--accent-400);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.join-steps {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 36px;
}

.join-step {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.92rem;
  color: var(--ink-200);
}

.step-num {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: rgba(200,160,74,0.1);
  color: var(--accent-400);
  font-size: 0.82rem;
  font-weight: 600;
  flex-shrink: 0;
}

.join-quote {
  padding: 32px;
  border-radius: 16px;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.05);
  position: relative;
}

.join-quote svg {
  color: var(--accent-400);
  margin-bottom: 12px;
}

.join-quote p {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--ink-200);
  line-height: 1.8;
  font-style: italic;
  margin-bottom: 12px;
}

.join-quote cite {
  font-size: 0.82rem;
  color: var(--ink-500);
  font-style: normal;
}

/* --- Footer --- */
.footer {
  padding: 80px 0 40px;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 48px;
  margin-bottom: 48px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--ink-50);
}

.footer-brand p {
  font-size: 0.85rem;
  color: var(--ink-400);
  line-height: 1.7;
}

.footer-links h4 {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink-200);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.footer-links a {
  display: block;
  font-size: 0.88rem;
  color: var(--ink-400);
  padding: 5px 0;
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--ink-100); }

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.05);
  text-align: center;
}

.footer-bottom p {
  font-size: 0.78rem;
  color: var(--ink-500);
}

.footer-note {
  margin-top: 8px;
  opacity: 0.6;
}

/* --- Animations --- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50% { opacity: 0.8; transform: scaleY(1.2); }
}

/* --- Scroll animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .spirit-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .spirit-card-wide {
    grid-column: span 2;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .join-card {
    grid-template-columns: 1fr;
    padding: 48px 36px;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 24px;
    gap: 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
  }

  .nav-links.open { display: flex; }

  .nav-links a {
    padding: 14px 0;
    font-size: 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.04);
  }

  .nav-links a:last-child { border-bottom: none; }

  .nav-toggle { display: flex; }

  .hero {
    min-height: 90vh;
    padding: 100px 20px 60px;
  }

  .hero-stats {
    gap: 24px;
  }

  .stat-number { font-size: 1.8rem; }

  .spirit-grid {
    grid-template-columns: 1fr;
  }

  .spirit-card-wide {
    grid-column: span 1;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

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

  .join-card {
    padding: 32px 24px;
  }

  .treaty-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-brand {
    grid-column: span 1;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .btn { width: 100%; justify-content: center; }
}