@font-face {
  font-family: 'Noto Serif SC';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: local('Noto Serif SC'), local('NotoSerifSC'), local('Source Han Serif SC'), local('SimSun'), local('STSong'), serif;
}
@font-face {
  font-family: 'Noto Serif SC';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: local('Noto Serif SC'), local('NotoSerifSC'), local('Source Han Serif SC'), local('SimSun'), local('STSong'), serif;
}
@font-face {
  font-family: 'DM Sans';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: local('DM Sans'), local('DMSans'), local('Helvetica Neue'), local('Arial'), local('PingFang SC'), local('Microsoft YaHei'), sans-serif;
}
@font-face {
  font-family: 'DM Sans';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: local('DM Sans'), local('DMSans'), local('Helvetica Neue'), local('Arial'), local('PingFang SC'), local('Microsoft YaHei'), sans-serif;
}

:root {
  --canvas: #F7F5F0;
  --canvas-dark: #EDE8DE;
  --ink: #1C1917;
  --ink-soft: #44403C;
  --ink-muted: #A8A29E;
  --cadmium: #E85D04;
  --cadmium-light: #FAA307;
  --ultramarine: #3B82F6;
  --emerald: #10B981;
  --rose: #F43F5E;
  --ochre: #D97706;
  --font-display: 'Noto Serif SC', 'Source Han Serif SC', 'SimSun', 'STSong', serif;
  --font-ui: 'DM Sans', 'Helvetica Neue', 'Arial', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-cn: 'Noto Serif SC', 'Source Han Serif SC', 'SimSun', 'STSong', serif;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out-circ: cubic-bezier(0.85, 0, 0.15, 1);
  --ease-elastic: cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-ui);
  background: var(--canvas);
  color: var(--ink);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  cursor: none;
}

::selection { background: var(--cadmium); color: white; }

@media (pointer: coarse) {
  body { cursor: auto; }
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== CUSTOM CURSOR ===== */
.cursor {
  width: 12px; height: 12px;
  background: var(--cadmium);
  border-radius: 50%;
  position: fixed;
  pointer-events: none;
  z-index: 10000;
  mix-blend-mode: difference;
  transition: transform 0.15s var(--ease-out-expo), width 0.3s, height 0.3s;
}

.cursor.hover {
  width: 48px; height: 48px;
  background: transparent;
  border: 1.5px solid var(--cadmium);
  mix-blend-mode: normal;
}

.cursor-dot {
  width: 4px; height: 4px;
  background: white;
  border-radius: 50%;
  position: fixed;
  pointer-events: none;
  z-index: 10001;
}

@media (pointer: coarse) {
  .cursor, .cursor-dot { display: none; }
}

/* ===== NAVIGATION ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: all 0.4s var(--ease-out-expo);
}

.nav.scrolled {
  background: rgba(247, 245, 240, 0.9);
  backdrop-filter: blur(20px) saturate(1.8);
  box-shadow: 0 1px 0 rgba(28, 25, 23, 0.06);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.nav-logo-mark {
  width: 40px; height: 40px;
  background: var(--ink);
  color: var(--cadmium-light);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-cn);
  font-size: 16px;
  font-weight: 900;
  transition: transform 0.4s var(--ease-elastic);
}

.nav-logo:hover .nav-logo-mark { transform: scale(1.1) rotate(-5deg); }

.nav-logo-text {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.5px;
}

.nav-logo-text span { color: var(--cadmium); font-weight: 400; }

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-soft);
  text-decoration: none;
  letter-spacing: 0.5px;
  transition: color 0.3s;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--cadmium);
  transition: width 0.3s var(--ease-out-expo);
}

.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
  padding: 10px 24px;
  background: var(--ink);
  color: var(--canvas);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  border-radius: 100px;
  text-decoration: none;
  transition: all 0.4s var(--ease-out-expo);
}

.nav-cta:hover {
  background: var(--cadmium);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(232, 93, 4, 0.25);
}

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

.nav-mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--ink);
  transition: all 0.3s ease;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  border-radius: 100px;
  text-decoration: none;
  transition: all 0.4s var(--ease-out-expo);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--ink);
  color: var(--canvas);
}

.btn-primary:hover {
  background: var(--cadmium);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(232, 93, 4, 0.25);
}

.btn-outline {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--ink);
}

.btn-outline:hover {
  background: var(--ink);
  color: var(--canvas);
  transform: translateY(-2px);
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 40px;
  background: var(--cadmium);
  color: white;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1px;
  border-radius: 100px;
  text-decoration: none;
  transition: all 0.4s var(--ease-out-expo);
  border: none;
  cursor: pointer;
}

.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(232, 93, 4, 0.3);
}

.btn-cta-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 40px;
  background: transparent;
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1px;
  border-radius: 100px;
  text-decoration: none;
  transition: all 0.4s var(--ease-out-expo);
  border: 1.5px solid var(--ink);
  cursor: pointer;
}

.btn-cta-outline:hover {
  background: var(--ink);
  color: var(--canvas);
  transform: translateY(-2px);
}

/* ===== SECTION HEADERS ===== */
.section { padding: 120px 0; }

.section-header { margin-bottom: 60px; }

.section-kicker {
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--cadmium);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-kicker::before {
  content: '';
  width: 32px;
  height: 1px;
  background: var(--cadmium);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 16px;
  letter-spacing: -1px;
}

.section-title em {
  font-style: italic;
  color: var(--cadmium);
}

.section-desc {
  font-size: 17px;
  color: var(--ink-soft);
  max-width: 560px;
  line-height: 1.7;
}

/* ===== STATS ===== */
.stats-section { padding: 80px 0; background: var(--ink); }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}

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

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 700;
  color: var(--canvas);
  line-height: 1;
  margin-bottom: 12px;
}

.stat-divider {
  width: 24px;
  height: 2px;
  background: var(--cadmium);
  margin: 0 auto 12px;
}

.stat-label {
  font-size: 12px;
  color: rgba(247, 245, 240, 0.5);
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight: 600;
}

/* ===== FEATURES ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(28, 25, 23, 0.06);
  transition: all 0.5s var(--ease-out-expo);
  border: 1px solid rgba(28, 25, 23, 0.06);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 48px rgba(28, 25, 23, 0.1);
}

/* ===== SHOWCASE ===== */
.showcase { padding: 120px 0; background: var(--canvas-dark); }

.showcase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.showcase-item {
  padding: 32px;
  background: white;
  border-radius: 12px;
  border: 1px solid rgba(28, 25, 23, 0.06);
  transition: all 0.4s var(--ease-out-expo);
}

.showcase-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(28, 25, 23, 0.08);
}

.showcase-item-number {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--cadmium);
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.showcase-item h4 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
}

.showcase-item p {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.7;
}

/* ===== HOW IT WORKS ===== */
.how-it-works { padding: 120px 0; }

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
}

/* ===== CTA ===== */
.cta-section { padding: 120px 0; }

.cta-inner {
  background: var(--ink);
  border-radius: 24px;
  padding: 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-inner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(232, 93, 4, 0.15), transparent 70%);
  pointer-events: none;
}

.cta-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  color: var(--canvas);
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}

.cta-inner p {
  font-size: 17px;
  color: rgba(247, 245, 240, 0.6);
  margin-bottom: 40px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
  z-index: 1;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  position: relative;
  z-index: 1;
}

/* ===== CHECKLIST ===== */
.checklist-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  background: white;
  border-radius: 12px;
  border: 1px solid rgba(28, 25, 23, 0.06);
  transition: all 0.3s var(--ease-out-expo);
}

.checklist-item:hover {
  transform: translateX(4px);
  border-color: var(--cadmium);
}

.checklist-check {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--emerald);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
}

.checklist-content h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

.checklist-content p {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.6;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--ink);
  color: var(--canvas);
  padding: 80px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 64px;
}

.footer-brand .logo {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14px;
  color: rgba(247, 245, 240, 0.5);
  line-height: 1.7;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(247, 245, 240, 0.4);
  margin-bottom: 20px;
}

.footer-col ul { list-style: none; }

.footer-col li { margin-bottom: 12px; }

.footer-col a {
  font-size: 14px;
  color: rgba(247, 245, 240, 0.6);
  text-decoration: none;
  transition: color 0.3s;
}

.footer-col a:hover { color: var(--cadmium-light); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid rgba(247, 245, 240, 0.08);
  font-size: 12px;
  color: rgba(247, 245, 240, 0.3);
}

/* ===== ANIMATIONS ===== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}

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

.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }

.img-reveal {
  overflow: hidden;
}

.img-reveal img {
  transform: scale(1.1);
  transition: transform 1.2s var(--ease-out-expo);
}

.img-reveal.visible img {
  transform: scale(1);
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(60px) rotate(3deg); }
  to { opacity: 1; transform: translateX(0) rotate(0); }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .nav-mobile-toggle { display: flex; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: 1fr; }
  .showcase-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .checklist-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .cta-inner { padding: 48px 24px; }
  .cta-actions { flex-direction: column; }
  .container { padding: 0 16px; }
}