/* ============================================================
   Kreed × 知了 — Landing Page Styles
   Version: 1.0.0
   Date: 2026-04-19
   ============================================================ */

/* ── Google Fonts Import ─────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&family=Noto+Sans+SC:wght@400;500;700&display=swap');

/* ── CSS Custom Properties ───────────────────────────────── */
:root {
  /* Brand Colors */
  --color-primary: #1A4D2E;
  --color-amber: #D4A843;
  --color-gold: #8B7355;
  --color-bg-dark: #0D1117;
  --color-bg-card: #161B22;
  --color-bg-card-hover: #1C2333;
  --color-text: #E6EDF3;
  --color-text-muted: #8B949E;
  --color-border: #30363D;

  /* Gradients */
  --gradient-brand: linear-gradient(135deg, #1A4D2E 0%, #D4A843 100%);
  --gradient-hero-text: linear-gradient(135deg, #D4A843 0%, #E8C87A 50%, #D4A843 100%);
  --gradient-glow: 0 0 30px rgba(212, 168, 67, 0.3);
  --gradient-green-glow: 0 0 30px rgba(26, 77, 46, 0.4);

  /* Typography */
  --font-heading: 'Inter', 'Noto Sans SC', sans-serif;
  --font-body: 'Noto Sans SC', 'Inter', sans-serif;

  /* Spacing */
  --section-padding: 120px 0;
  --container-max: 1200px;
  --container-padding: 0 24px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 50px;
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--color-bg-dark);
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
}

::selection {
  background-color: rgba(212, 168, 67, 0.3);
  color: #fff;
}

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

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

a:hover {
  color: #E8C87A;
}

ul, ol {
  list-style: none;
}

/* ── Container ───────────────────────────────────────────── */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--container-padding);
}

/* ── Section Titles (shared) ─────────────────────────────── */
.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 16px;
  color: var(--color-text);
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto 64px;
  line-height: 1.8;
}


/* ============================================================
   Navbar
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  padding: 16px 0;
  transition: background var(--transition-base), padding var(--transition-base), box-shadow var(--transition-base);
}

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

.navbar__logo {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.navbar__logo strong {
  color: var(--color-amber);
}

.navbar__links {
  display: flex;
  gap: 28px;
}

.navbar__links a {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.navbar__links a:hover {
  color: var(--color-amber);
}

.navbar__cta {
  padding: 8px 20px;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
  background: var(--gradient-brand);
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.navbar__cta:hover {
  transform: translateY(-1px);
  box-shadow: var(--gradient-glow);
}

.navbar--scrolled {
  background: rgba(13, 17, 23, 0.9);
  backdrop-filter: blur(16px);
  padding: 10px 0;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

/* ============================================================
   Section 1: Hero
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

#particle-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 24px;
  max-width: 800px;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 32px;
  background: var(--gradient-hero-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-poem {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  letter-spacing: 0.15em;
  line-height: 2.2;
  margin-bottom: 48px;
}

.hero-poem span {
  display: block;
}

.hero-cta {
  display: inline-block;
  padding: 16px 40px;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: #fff;
  background: var(--gradient-brand);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.hero-cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.hero-cta:hover {
  transform: scale(1.05);
  box-shadow: var(--gradient-glow), 0 8px 32px rgba(212, 168, 67, 0.25);
}

.hero-cta:hover::before {
  opacity: 1;
}

.hero-cta:active {
  transform: scale(0.98);
}

/* ── Global Counter (fixed bottom-right) ─────────────────── */
.global-counter {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 100;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 10px 18px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(12px);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.global-counter:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.5);
}

.global-counter strong {
  color: var(--color-amber);
  font-weight: 700;
}


/* ============================================================
   Section 2: Three Pillars
   ============================================================ */
.pillars {
  padding: var(--section-padding);
  background: var(--color-bg-dark);
}

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

.pillar-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  transition: transform var(--transition-slow), border-color var(--transition-slow), box-shadow var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.pillar-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-brand);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.pillar-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-amber);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3), var(--gradient-green-glow);
}

.pillar-card:hover::after {
  opacity: 1;
}

/* ── Pillar Icons (CSS-only) ─────────────────────────────── */
.pillar-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

/* 微鸣可见 — Ripple Circles */
.pillar-icon--ripple {
  /* Outer ring */
}

.pillar-icon--ripple::before {
  content: '';
  position: absolute;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 2px solid var(--color-amber);
  opacity: 0.3;
  animation: ripple-expand 2s ease-out infinite;
}

.pillar-icon--ripple::after {
  content: '';
  position: absolute;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: 2px solid var(--color-amber);
  opacity: 0.5;
  animation: ripple-expand 2s ease-out 0.5s infinite;
}

.pillar-icon--ripple .ripple-core {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-amber);
  position: relative;
  z-index: 1;
  box-shadow: 0 0 16px rgba(212, 168, 67, 0.5);
}

@keyframes ripple-expand {
  0% {
    transform: scale(0.5);
    opacity: 0.6;
  }
  100% {
    transform: scale(1.3);
    opacity: 0;
  }
}

/* 聚沙成势 — Stacked Dots */
.pillar-icon--stack {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.pillar-icon--stack .dot-row {
  display: flex;
  gap: 5px;
  justify-content: center;
}

.pillar-icon--stack .dot-row span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-amber);
  opacity: 0.4;
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.pillar-card:hover .pillar-icon--stack .dot-row span {
  opacity: 1;
}

.pillar-card:hover .pillar-icon--stack .dot-row:nth-child(2) span {
  transform: scale(1.1);
}

.pillar-card:hover .pillar-icon--stack .dot-row:nth-child(1) span {
  transform: scale(1.2);
}

/* 厚积展翼 — Spread Lines */
.pillar-icon--wings {
  position: relative;
}

.pillar-icon--wings::before,
.pillar-icon--wings::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 36px;
  height: 2px;
  background: var(--color-amber);
  transition: transform var(--transition-slow), width var(--transition-slow);
}

.pillar-icon--wings::before {
  right: 50%;
  margin-right: 8px;
  transform-origin: right center;
  transform: translateY(-50%) rotate(-15deg);
}

.pillar-icon--wings::after {
  left: 50%;
  margin-left: 8px;
  transform-origin: left center;
  transform: translateY(-50%) rotate(15deg);
}

.pillar-card:hover .pillar-icon--wings::before {
  transform: translateY(-50%) rotate(-30deg);
  width: 40px;
}

.pillar-card:hover .pillar-icon--wings::after {
  transform: translateY(-50%) rotate(30deg);
  width: 40px;
}

.pillar-icon--wings .wing-center {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-amber);
  position: relative;
  z-index: 1;
  box-shadow: 0 0 12px rgba(212, 168, 67, 0.5);
}

/* ── Pillar Card Text ────────────────────────────────────── */
.pillar-card h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-amber);
  margin-bottom: 12px;
}

.pillar-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.8;
}


/* ============================================================
   Section 3: How It Works
   ============================================================ */
.how-it-works {
  padding: var(--section-padding);
  background: linear-gradient(180deg, var(--color-bg-dark) 0%, #0a0e14 100%);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.step {
  text-align: center;
  position: relative;
  padding: 32px 20px;
}

/* Connecting line between steps */
.step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 52px;
  right: -12px;
  width: calc(100% - 56px);
  height: 2px;
  background: linear-gradient(90deg, var(--color-amber), var(--color-border));
  transform: translateX(100%);
  z-index: 0;
}

.step-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gradient-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 1.4rem;
  position: relative;
  z-index: 1;
  box-shadow: 0 4px 20px rgba(26, 77, 46, 0.4);
}

.step-number {
  position: absolute;
  top: 18px;
  left: 18px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-amber);
  color: var(--color-bg-dark);
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--color-text);
}

.step p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}


/* ============================================================
   Section 4: Gamification
   ============================================================ */
.gamification {
  padding: var(--section-padding);
  background: var(--color-bg-dark);
}

.gamification-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

/* Left: Cicada Wings Canvas */
.gamification-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
}

.gamification-visual canvas {
  max-width: 100%;
  pointer-events: none;
}

/* Right: Stats & Achievements */
.gamification-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}

.stat-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: border-color var(--transition-base), transform var(--transition-base);
}

.stat-card:hover {
  border-color: rgba(212, 168, 67, 0.3);
  transform: translateY(-2px);
}

.stat-value {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-amber);
  line-height: 1.2;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ── Achievement Badges ──────────────────────────────────── */
.achievements-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.achievement-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.achievement-badge {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--color-bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  position: relative;
  transition: transform var(--transition-base);
  /* Gradient border using border-image fallback */
  border: 3px solid transparent;
  background-clip: padding-box;
}

/* Gradient border via wrapper technique */
.achievement-badge::before {
  content: '';
  position: absolute;
  top: -3px;
  left: -3px;
  right: -3px;
  bottom: -3px;
  border-radius: 50%;
  background: var(--gradient-brand);
  z-index: -1;
}

.achievement-badge::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 50%;
  background: var(--color-bg-card);
  z-index: -1;
}

.achievement-badge:hover {
  transform: scale(1.15);
}

.achievement-badge span {
  position: relative;
  z-index: 1;
}


/* ============================================================
   Section 5: Pricing
   ============================================================ */
.pricing {
  padding: var(--section-padding);
  background: linear-gradient(180deg, #0a0e14 0%, var(--color-bg-dark) 100%);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}

.pricing-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  position: relative;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

/* Recommended card highlight */
.pricing-card--recommended {
  border-color: var(--color-amber);
  border-width: 2px;
  box-shadow: 0 0 30px rgba(212, 168, 67, 0.1);
  animation: glow-pulse 3s ease-in-out infinite;
}

@keyframes glow-pulse {
  0%, 100% {
    box-shadow: 0 0 20px rgba(212, 168, 67, 0.08);
  }
  50% {
    box-shadow: 0 0 40px rgba(212, 168, 67, 0.2);
  }
}

.recommended-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-amber);
  color: var(--color-bg-dark);
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 20px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

/* ── Pricing Header ──────────────────────────────────────── */
.pricing-tier {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.pricing-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

.price {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-amber);
  line-height: 1;
  margin-bottom: 4px;
}

.price-period {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 28px;
}

/* ── Features List ───────────────────────────────────────── */
.pricing-features {
  flex: 1;
  margin-bottom: 28px;
}

.pricing-features li {
  padding: 8px 0;
  font-size: 0.92rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 10px;
  line-height: 1.5;
}

.pricing-features li::before {
  font-size: 0.9rem;
  flex-shrink: 0;
}

.pricing-features li.feature-included::before {
  content: '\2713'; /* ✓ */
  color: #3FB950;
  font-weight: 700;
}

.pricing-features li.feature-excluded::before {
  content: '\2717'; /* ✗ */
  color: var(--color-text-muted);
  opacity: 0.5;
}

.pricing-features li.feature-excluded {
  opacity: 0.5;
}

/* ── Pricing CTA Buttons ─────────────────────────────────── */
.pricing-cta {
  display: inline-block;
  width: 100%;
  padding: 14px 24px;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  cursor: pointer;
  text-align: center;
  transition: transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
  text-decoration: none;
  border: none;
}

.pricing-cta:active {
  transform: scale(0.97);
}

/* Free tier: outline style */
.pricing-cta--free {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.pricing-cta--free:hover {
  border-color: var(--color-text-muted);
  background: rgba(255, 255, 255, 0.03);
}

/* Silver tier: light fill */
.pricing-cta--silver {
  background: rgba(212, 168, 67, 0.15);
  color: var(--color-amber);
  border: 1px solid rgba(212, 168, 67, 0.3);
}

.pricing-cta--silver:hover {
  background: rgba(212, 168, 67, 0.25);
  box-shadow: 0 4px 20px rgba(212, 168, 67, 0.15);
}

/* Gold tier: gradient fill */
.pricing-cta--gold {
  background: var(--gradient-brand);
  color: #fff;
  border: none;
}

.pricing-cta--gold:hover {
  box-shadow: var(--gradient-glow), 0 8px 28px rgba(212, 168, 67, 0.25);
  transform: translateY(-2px);
}


/* ============================================================
   Section 6: Brand Story
   ============================================================ */
.brand-story {
  padding: 140px 0;
  background: linear-gradient(135deg, #1A4D2E 0%, #0D1B2A 100%);
  position: relative;
  overflow: hidden;
}

.brand-story::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at center, rgba(212, 168, 67, 0.05) 0%, transparent 60%);
  pointer-events: none;
}

.brand-story-content {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.brand-story blockquote {
  font-family: 'Georgia', 'Noto Sans SC', serif;
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  line-height: 2.2;
  letter-spacing: 0.08em;
  color: rgba(230, 237, 243, 0.9);
  position: relative;
  padding: 0;
}

.brand-story blockquote::before {
  content: '\201C'; /* " */
  font-family: 'Georgia', serif;
  font-size: 6rem;
  color: rgba(212, 168, 67, 0.2);
  position: absolute;
  top: -40px;
  left: -20px;
  line-height: 1;
}

.brand-story cite {
  display: block;
  margin-top: 32px;
  font-size: 0.95rem;
  font-style: normal;
  color: var(--color-amber);
  letter-spacing: 0.05em;
}


/* ============================================================
   Section 7: FAQ
   ============================================================ */
.faq {
  padding: var(--section-padding);
  background: var(--color-bg-dark);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-base);
}

.faq-item:hover {
  border-color: rgba(212, 168, 67, 0.2);
}

.faq-item[open] {
  border-color: rgba(212, 168, 67, 0.3);
}

.faq-question {
  padding: 20px 24px;
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
  transition: color var(--transition-base);
  user-select: none;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question::after {
  content: '+';
  font-size: 1.3rem;
  color: var(--color-amber);
  transition: transform var(--transition-base);
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-item[open] .faq-question::after {
  transform: rotate(45deg);
}

.faq-question:hover {
  color: var(--color-amber);
}

.faq-answer {
  padding: 0 24px 20px;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.8;
  padding-left: 24px;
}


/* ============================================================
   Footer
   ============================================================ */
.footer {
  padding: 80px 0 40px;
  text-align: center;
  background: var(--color-bg-dark);
  border-top: 1px solid var(--color-border);
}

.footer-cta {
  margin-bottom: 48px;
}

.footer-cta .cta-button {
  display: inline-block;
  padding: 16px 48px;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: #fff;
  background: var(--gradient-brand);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  text-decoration: none;
}

.footer-cta .cta-button:hover {
  transform: scale(1.05);
  box-shadow: var(--gradient-glow), 0 8px 32px rgba(212, 168, 67, 0.25);
}

.footer-copyright {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 16px;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-top: 24px;
  margin-bottom: 16px;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

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


/* ============================================================
   Scroll Animations
   ============================================================ */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered delays for grid children */
.animate-on-scroll:nth-child(2) {
  transition-delay: 0.1s;
}

.animate-on-scroll:nth-child(3) {
  transition-delay: 0.2s;
}

.animate-on-scroll:nth-child(4) {
  transition-delay: 0.3s;
}

/* ── Momentum Pulse Animation ─────────────────────────── */
.momentum-pulse {
  animation: pulse 1.5s ease-in-out 1;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.08); }
}

/* ── Utility: Reduced Motion ─────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  .animate-on-scroll {
    opacity: 1;
    transform: none;
  }
}


/* ============================================================
   Responsive: Tablet (max-width: 768px)
   ============================================================ */
@media (max-width: 768px) {
  :root {
    --section-padding: 80px 0;
  }

  .container {
    padding: 0 20px;
  }

  /* Pillars: single column */
  .pillars-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

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

  /* How it works: 2x2 grid */
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .step:not(:last-child)::after {
    display: none;
  }

  /* Gamification: stacked */
  .gamification-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .gamification-visual {
    min-height: 300px;
  }

  .achievement-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  /* Pricing: stacked */
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 440px;
    margin: 0 auto;
  }

  /* Brand story */
  .brand-story {
    padding: 80px 0;
  }

  .brand-story blockquote::before {
    font-size: 4rem;
    top: -30px;
    left: -10px;
  }

  /* FAQ */
  .faq-list {
    padding: 0;
  }

  /* Hero adjustments */
  .hero-poem {
    font-size: 0.95rem;
    letter-spacing: 0.1em;
  }

  .global-counter {
    bottom: 16px;
    right: 16px;
    font-size: 0.78rem;
    padding: 8px 14px;
  }
}


/* ============================================================
   Responsive: Mobile (max-width: 480px)
   ============================================================ */
@media (max-width: 480px) {
  :root {
    --section-padding: 60px 0;
  }

  .container {
    padding: 0 16px;
  }

  /* Hero */
  .hero h1 {
    font-size: 1.6rem;
  }

  .hero-poem {
    font-size: 0.88rem;
    letter-spacing: 0.08em;
    line-height: 2;
    margin-bottom: 36px;
  }

  .hero-cta {
    padding: 14px 32px;
    font-size: 1rem;
  }

  /* How it works: single column on small mobile */
  .steps-grid {
    grid-template-columns: 1fr;
  }

  .step {
    padding: 24px 16px;
  }

  /* Gamification stats */
  .gamification-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .stat-card {
    padding: 18px;
  }

  .stat-value {
    font-size: 1.4rem;
  }

  .achievement-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
  }

  .achievement-badge {
    width: 52px;
    height: 52px;
    font-size: 1.3rem;
  }

  /* Pricing */
  .pricing-card {
    padding: 28px 24px;
  }

  .price {
    font-size: 2rem;
  }

  /* Section titles */
  .section-title {
    font-size: 1.5rem;
  }

  .section-subtitle {
    font-size: 0.95rem;
    margin-bottom: 40px;
  }

  /* FAQ */
  .faq-question {
    font-size: 0.92rem;
    padding: 16px 18px;
  }

  .faq-answer {
    padding: 0 18px 16px;
    font-size: 0.88rem;
  }

  /* Brand story */
  .brand-story {
    padding: 60px 0;
  }

  .brand-story blockquote {
    font-size: 1rem;
    line-height: 2;
    letter-spacing: 0.04em;
  }

  .brand-story blockquote::before {
    font-size: 3rem;
    top: -20px;
    left: -5px;
  }

  /* Footer */
  .footer {
    padding: 60px 0 32px;
  }

  .footer-cta .cta-button {
    padding: 14px 36px;
    font-size: 1rem;
  }

  /* Global counter hidden on very small screens */
  .global-counter {
    display: none;
  }
}


/* ============================================================
   Print Styles
   ============================================================ */
@media print {
  .hero,
  .global-counter,
  #particle-canvas,
  .gamification-visual canvas {
    display: none;
  }

  body {
    background: #fff;
    color: #111;
  }

  .pricing-card,
  .pillar-card,
  .stat-card,
  .faq-item {
    border-color: #ddd;
    background: #fff;
  }

  .section-title {
    color: #111;
  }

  .section-subtitle,
  .pillar-card p,
  .step p,
  .faq-answer {
    color: #555;
  }
}