/* ========================================
   Heart Tracker — Design System V2
   Brand Guide: Forest Green system,
   Outfit + Inter typography
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800;900&family=Inter:wght@400;500;600;700&display=swap');

:root {
  /* ── Brand Colors ───────────────────────── */
  --forest-green:   #0B5A31;
  --vitality-green: #28A745;
  --lime-highlight: #82C91E;
  --mint-tint:      #EEF9F3;

  /* ── Neutrals ───────────────────────────── */
  --deep-slate:   #0F172A;
  --muted-slate:  #475569;
  --off-white:    #FAFAFA;
  --pure-white:   #FFFFFF;
  --border-subtle: #E2E8F0;

  /* ── Data Visualization ─────────────────── */
  --data-stable:    #28A745;
  --data-positive:  #82C91E;
  --data-attention: #D97706;

  /* ── Semantic aliases (used by components) ─ */
  --text-primary:   var(--deep-slate);
  --text-secondary: var(--muted-slate);
  --text-tertiary:  #64748B;
  --bg-primary:     var(--pure-white);
  --bg-secondary:   var(--off-white);
  --border-color:   var(--border-subtle);

  /* ── Legacy aliases (backwards compat only) ─ */
  --brand-primary:       var(--vitality-green);
  --brand-primary-dark:  var(--forest-green);
  --brand-primary-light: var(--mint-tint);
  --brand-green:         var(--vitality-green);
  --brand-green-dark:    var(--forest-green);
  --brand-green-light:   var(--mint-tint);
  --brand-purple:        var(--forest-green);
  --brand-blue:          var(--vitality-green);
  --brand-accent:        var(--lime-highlight);
  --bg-white:            var(--pure-white);
  --bg-gray-light:       var(--off-white);
  --text-light:          var(--text-tertiary);
  --gray-50:   #FAFAFA;
  --gray-100:  #F5F5F5;
  --gray-200:  #E2E8F0;
  --gray-300:  #CBD5E1;
  --gray-400:  #94A3B8;
  --gray-500:  #64748B;
  --gray-600:  #475569;
  --gray-700:  #334155;
  --gray-800:  #1E293B;
  --gray-900:  #0F172A;

  /* ── Shadows (light — no heavy drops) ────── */
  --shadow-sm:  0 1px 2px 0 rgb(0 0 0 / 0.04);
  --shadow-md:  0 1px 3px 0 rgb(0 0 0 / 0.06), 0 1px 2px -1px rgb(0 0 0 / 0.04);
  --shadow-lg:  0 4px 12px 0 rgb(0 0 0 / 0.08);
  --shadow-xl:  0 8px 24px 0 rgb(0 0 0 / 0.10);
  --shadow-2xl: 0 16px 40px 0 rgb(0 0 0 / 0.12);

  /* ── Spacing Scale (8px base) ─────────────── */
  --space-1:  4px;
  --space-2:  8px;
  --space-3:  12px;
  --space-4:  16px;
  --space-6:  24px;
  --space-8:  2rem;      /* 32px — kept as rem for legacy rem-based rules */
  --space-12: 3rem;
  --space-16: 4rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* ── Border Radius ────────────────────────── */
  --radius-sm:   4px;
  --radius-md:   8px;     /* --radius-btn */
  --radius-lg:   12px;
  --radius-xl:   16px;    /* --radius-card */
  --radius-2xl:  24px;    /* --radius-social */
  --radius-full: 9999px;
  --radius-btn:  8px;
  --radius-card: 16px;

  /* ── Typography ───────────────────────────── */
  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;

  /* ── Transitions ──────────────────────────── */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition:      all 200ms cubic-bezier(0.4, 0, 0.2, 1);

  /* ── Layout ───────────────────────────────── */
  --max-width:        1280px;
  --max-width-narrow: 768px;
}

/* ========================================
   Base Styles
   ======================================== */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-base);
}

ul {
  list-style: none;
}

/* ========================================
   Typography
   ======================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--deep-slate);
}

h1 {
  font-size: clamp(2.5rem, 5vw + 1rem, 3.5rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 0.95;
}

h2 {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.1;
}

h3 {
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.25;
}

h4 {
  font-size: 1rem;
  font-weight: 700;
}

p {
  line-height: 1.7;
  color: var(--text-secondary);
}

.text-large {
  font-size: 1.25rem;
  line-height: 1.6;
  font-weight: 500;
}

.text-balance {
  text-wrap: balance;
}

/* Eyebrow / section label */
.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--forest-green);
}

/* ========================================
   Navigation
   ======================================== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-base);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.97);
  box-shadow: var(--shadow-md);
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-4) var(--space-8);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--deep-slate);
}

.nav-logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--forest-green);
  width: 28px;
  height: 28px;
}

.nav-logo-icon svg {
  width: 24px;
  height: 24px;
  fill: var(--forest-green);
  stroke: none;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-link {
  font-family: var(--font-body);
  color: var(--muted-slate);
  font-weight: 500;
  font-size: 0.9375rem;
  position: relative;
  transition: color var(--transition-base);
}

.nav-link:hover {
  color: var(--deep-slate);
}

.nav-link.active {
  color: var(--forest-green);
  font-weight: 600;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--vitality-green);
  border-radius: var(--radius-full);
}

.nav-cta {
  background: var(--forest-green);
  color: white;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-btn);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9375rem;
  transition: all var(--transition-base);
}

.nav-cta:hover {
  background: #0a4d2a;
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
  color: white;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--deep-slate);
}

/* ========================================
   Hero Section
   ======================================== */

.hero {
  position: relative;
  padding: clamp(8rem, 15vh, 12rem) var(--space-8) var(--space-24);
  background: var(--off-white);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(40, 167, 69, 0.07) 0%, transparent 65%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-container {
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 720px;
  text-align: center;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--mint-tint);
  border: 1px solid rgba(40, 167, 69, 0.25);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--forest-green);
  margin-bottom: var(--space-6);
}

.hero h1 {
  margin-bottom: var(--space-6);
  color: var(--deep-slate);
}

.hero-subtitle {
  font-size: 1.25rem;
  line-height: 1.6;
  font-weight: 500;
  color: var(--muted-slate);
  margin-bottom: var(--space-8);
  text-wrap: balance;
}

.hero-cta-group {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-12);
}

/* ========================================
   Buttons
   ======================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 12px 24px;
  border-radius: var(--radius-btn);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  transition: all var(--transition-base);
  cursor: pointer;
  border: none;
  white-space: nowrap;
  text-decoration: none;
}

.btn-primary {
  background: var(--forest-green);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: #0a4d2a;
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
  color: white;
}

.btn-secondary {
  background: var(--mint-tint);
  color: var(--forest-green);
  border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
  background: #d8f5e8;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  color: var(--forest-green);
}

/* CTA section button override — white on dark gradient */
.cta-section .btn-primary {
  background: white;
  color: var(--forest-green);
  box-shadow: var(--shadow-md);
}

.cta-section .btn-primary:hover {
  background: var(--off-white);
  color: var(--forest-green);
}

/* ========================================
   Section Badge
   ======================================== */

.section-badge {
  display: inline-block;
  background: var(--mint-tint);
  color: var(--forest-green);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: var(--space-4);
}

/* ========================================
   Stats Section
   ======================================== */

.stats {
  padding: var(--space-24) var(--space-8);
  background: var(--off-white);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-12);
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}

.stat-item h3 {
  font-size: 3rem;
  font-weight: 900;
  color: var(--forest-green);
  margin-bottom: var(--space-2);
  background: none;
  -webkit-text-fill-color: unset;
}

.stat-item p {
  color: var(--muted-slate);
  font-size: 1rem;
}

/* ========================================
   Features Section — Card Grid
   ======================================== */

.features {
  padding: var(--space-24) var(--space-8);
  background: var(--pure-white);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--space-16);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-8);
}

.feature-grid-detailed {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-8);
  margin: var(--space-16) 0;
}

.feature-card {
  background: var(--pure-white);
  padding: var(--space-8);
  border-radius: var(--radius-card);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-slow);
  position: relative;
  pointer-events: auto;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(40, 167, 69, 0.3);
}

/* Remove old gradient border pseudo-element */
.feature-card::before {
  display: none;
}

/* Feature icon box — replaces old emoji .feature-icon */
.feature-icon {
  width: 64px;
  height: 64px;
  background: var(--mint-tint);
  border: 2px solid rgba(40, 167, 69, 0.3);
  border-radius: var(--radius-card);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--forest-green);
  font-size: 1.75rem;   /* fallback for any remaining emoji */
  margin-bottom: var(--space-6);
}

.feature-icon svg,
.feature-icon i {
  width: 28px;
  height: 28px;
  stroke: var(--forest-green);
}

/* Feature icon large (used on feature detail pages) */
.feature-icon-large {
  width: 80px;
  height: 80px;
  background: var(--mint-tint);
  border: 2px solid rgba(40, 167, 69, 0.3);
  border-radius: var(--radius-card);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--forest-green);
  font-size: 2.25rem;   /* fallback */
  margin: 0 auto var(--space-8);
}

.feature-icon-large svg,
.feature-icon-large i {
  width: 40px;
  height: 40px;
  stroke: var(--forest-green);
  stroke-width: 1.75;
}

.feature-card h3 {
  color: var(--deep-slate);
  margin-bottom: var(--space-3);
  font-size: 1.25rem;
}

.feature-card p {
  color: var(--muted-slate);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

.feature-card a {
  color: var(--forest-green);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  position: relative;
  z-index: 10;
  cursor: pointer;
  transition: all var(--transition-base);
}

.feature-card a:hover {
  gap: var(--space-3);
  color: var(--vitality-green);
}

/* ========================================
   How It Works — Steps
   ======================================== */

.how-it-works {
  padding: var(--space-24) var(--space-8);
  background: var(--off-white);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-12);
  margin-top: var(--space-16);
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
}

.step-card {
  text-align: center;
  position: relative;
}

.step-number {
  width: 72px;
  height: 72px;
  background: var(--forest-green);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  margin: 0 auto var(--space-6);
  box-shadow: var(--shadow-lg);
}

.step-card h3 {
  margin-bottom: var(--space-3);
  color: var(--deep-slate);
}

.step-card p {
  color: var(--muted-slate);
}

/* ========================================
   Testimonials
   ======================================== */

.testimonials {
  padding: var(--space-24) var(--space-8);
  background: var(--pure-white);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-8);
  margin-top: var(--space-16);
}

.testimonial-card {
  background: var(--pure-white);
  padding: var(--space-8);
  border-radius: var(--radius-card);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
}

.rating {
  color: #F59E0B;
  font-size: 1.25rem;
  margin-bottom: var(--space-4);
}

.rating::before {
  content: '★★★★★';
}

.testimonial-text {
  font-size: 1rem;
  color: var(--deep-slate);
  line-height: 1.8;
  margin-bottom: var(--space-6);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.author-avatar {
  width: 44px;
  height: 44px;
  background: var(--forest-green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  flex-shrink: 0;
}

.author-info h4 {
  font-size: 0.9375rem;
  margin-bottom: 2px;
  color: var(--deep-slate);
}

.author-info p {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  margin: 0;
}

/* ========================================
   CTA Section
   ======================================== */

.cta-section {
  padding: var(--space-32) var(--space-8);
  background: var(--forest-green);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(130, 201, 30, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.cta-content {
  max-width: 640px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.cta-section h2 {
  color: white;
  margin-bottom: var(--space-4);
}

.cta-section p {
  font-size: 1.125rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--space-8);
}

.cta-section .text-small {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0;
  margin-top: var(--space-4);
  display: block;
}

/* ========================================
   Footer
   ======================================== */

.footer {
  background: var(--deep-slate);
  color: white;
  padding: var(--space-24) var(--space-8) var(--space-8);
}

.footer-content {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer-section h4 {
  font-family: var(--font-display);
  color: white;
  font-size: 0.9375rem;
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.footer-section p,
.footer-section a {
  font-family: var(--font-body);
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.9375rem;
  line-height: 2;
}

.footer-section a:hover {
  color: var(--vitality-green);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.social-links {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.social-link {
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-btn);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.55);
  transition: all var(--transition-base);
}

.social-link:hover {
  background: var(--vitality-green);
  color: white;
  transform: translateY(-2px);
}

.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
  color: rgba(255, 255, 255, 0.35);
  font-size: 0.875rem;
}

/* ========================================
   How-It-Works Guide — Sticky Sidenav
   ======================================== */

.guide-body-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 3rem;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-16) var(--space-8);
  align-items: start;
}

.guide-sidenav {
  position: sticky;
  top: 5.5rem;
  background: var(--pure-white);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}

.guide-sidenav-title {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: var(--space-3);
}

.guide-sidenav ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.guide-sidenav li {
  margin-bottom: 0;
}

.guide-sidenav a {
  display: block;
  padding: var(--space-2) var(--space-3);
  font-size: 0.875rem;
  color: var(--muted-slate);
  text-decoration: none;
  border-radius: var(--radius-md);
  line-height: 1.4;
  transition: all var(--transition-base);
}

.guide-sidenav a:hover {
  background: var(--mint-tint);
  color: var(--forest-green);
}

.guide-sidenav a.active {
  background: var(--mint-tint);
  color: var(--forest-green);
  font-weight: 600;
}

.guide-switcher a.current-guide {
  background: var(--forest-green);
  color: white;
  font-weight: 600;
}

.guide-switcher a.current-guide:hover {
  background: #0a4d2a;
  color: white;
}

.sidenav-divider {
  border: none;
  border-top: 1px solid var(--border-subtle);
  margin: var(--space-4) 0;
}

.guide-content {
  min-width: 0;
  padding: var(--space-4) 0;
}

h2[id] {
  scroll-margin-top: 6rem;
}

@media (max-width: 900px) {
  .guide-body-layout {
    grid-template-columns: 1fr;
    padding: var(--space-8) var(--space-4);
  }
  .guide-sidenav {
    display: none;
  }
}

/* ========================================
   Related Guides grid
   ======================================== */

.related-guides {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-8);
}

/* ========================================
   Utilities
   ======================================== */

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

.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }

.text-small {
  font-size: 0.875rem;
}

.hidden {
  display: none;
}

/* ========================================
   Responsive
   ======================================== */

@media (max-width: 968px) {
  :root {
    --space-24: 4rem;
    --space-32: 6rem;
  }

  .nav-menu {
    position: fixed;
    top: 73px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 73px);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: var(--space-8);
    gap: var(--space-6);
    transition: left var(--transition-slow);
    box-shadow: var(--shadow-xl);
  }

  .nav-menu.active {
    left: 0;
  }

  .mobile-menu-toggle {
    display: block;
  }

  .hero {
    padding-top: 8rem;
    padding-bottom: var(--space-16);
  }

  .features,
  .how-it-works,
  .testimonials {
    padding: var(--space-16) var(--space-6);
  }

  .features-grid,
  .steps-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
  }
}

@media (max-width: 640px) {
  .hero-cta-group {
    flex-direction: column;
    width: 100%;
  }

  .btn {
    width: 100%;
  }

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