/* ============================================ */
/*  DESIGN TOKENS — White + Yellow              */
/* ============================================ */
:root {
  --white:        #FFFFFF;
  --off-white:    #FEFCF7;
  --yellow-soft:  #FFFAEB;
  --yellow-pale:  #FFF3D0;
  --yellow:       #F5B82E;
  --yellow-deep:  #C9941A;
  --yellow-dark:  #8C6510;
  --ink:          #0A0A0A;
  --charcoal:     #1F2937;
  --gray-700:     #374151;
  --gray-500:     #6B7280;
  --gray-300:     #D1D5DB;
  --gray-200:     #E5E7EB;
  --gray-100:     #F3F4F6;
  --serif: 'Fraunces', Georgia, 'Times New Roman', serif;
  --sans:  'Manrope', system-ui, -apple-system, sans-serif;
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 48px;
  --space-6: 64px;
  --space-7: 96px;
  --space-8: 128px;
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 16px;
  --r-pill: 999px;
  --shadow-sm: 0 1px 2px rgba(10, 10, 10, 0.04);
  --shadow-md: 0 4px 16px rgba(10, 10, 10, 0.06);
  --shadow-lg: 0 12px 40px rgba(10, 10, 10, 0.08);
  --shadow-yellow: 0 8px 32px rgba(245, 184, 46, 0.28);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  
  font-size: 17px;
  line-height: 1.6;
  color: var(--charcoal);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; transition: color 0.18s ease; }
button { font-family: inherit; cursor: pointer; border: 0; background: 0; }
::selection { background: var(--yellow); color: var(--ink); }

.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}
.section { padding: var(--space-8) 0; }
.section--tight { padding: var(--space-7) 0; }

/* Scroll progress */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: var(--yellow);
  z-index: 100;
  transition: width 0.1s linear;
  box-shadow: 0 0 8px rgba(245, 184, 46, 0.6);
}

/* Advisory bar */
.advisory {
  background: var(--ink);
  color: var(--white);
  font-size: 13px;
  padding: 12px 0;
  border-bottom: 3px solid var(--yellow);
}
.advisory .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.advisory-msg {
  display: flex;
  align-items: center;
  gap: 12px;
  line-height: 1.4;
}
.advisory-pulse {
  width: 8px; height: 8px;
  background: var(--yellow);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
  flex-shrink: 0;
}
.advisory-link {
  color: var(--yellow);
  font-weight: 600;
  white-space: nowrap;
}
.advisory-link:hover { color: var(--white); }
@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(245, 184, 46, 0.6); }
  50% { opacity: 0.6; box-shadow: 0 0 0 8px rgba(245, 184, 46, 0); }
}

/* Nav */
.nav {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  z-index: 50;
  transition: box-shadow 0.2s ease;
}
.nav.scrolled { box-shadow: var(--shadow-md); }
.nav .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 18px;
  padding-bottom: 18px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  
  font-weight: 600;
  font-size: 22px;
  letter-spacing: -0.015em;
  color: var(--ink);
}
.brand-mark {
  width: 32px; height: 32px;
  background: var(--yellow);
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
}
.nav-links {
  display: flex;
  gap: var(--space-4);
  align-items: center;
  font-size: 15px;
  font-weight: 500;
}
.nav-links a { color: var(--gray-700); }
.nav-links a:hover { color: var(--ink); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 24px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.005em;
  border-radius: var(--r-md);
  transition: all 0.2s ease;
  white-space: nowrap;
  min-height: 48px;
  border: 1.5px solid transparent;
}
.btn-primary {
  background: var(--yellow);
  color: var(--ink);
  border-color: var(--yellow);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: var(--yellow-deep);
  border-color: var(--yellow-deep);
  transform: translateY(-1px);
  box-shadow: var(--shadow-yellow);
}
.btn-primary svg { transition: transform 0.2s ease; }
.btn-primary:hover svg { transform: translateX(3px); }
.btn-secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--gray-300);
}
.btn-secondary:hover {
  background: var(--ink);
  color: var(--white);
  border-color: var(--ink);
}
.btn-dark {
  background: var(--ink);
  color: var(--white);
  border-color: var(--ink);
}
.btn-dark:hover {
  background: var(--yellow);
  color: var(--ink);
  border-color: var(--yellow);
}
.btn-lg {
  padding: 18px 32px;
  font-size: 16px;
  min-height: 56px;
}

/* Section headers */
.section-header {
  display: grid;
  grid-template-columns: 1.1fr 1.5fr;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
  align-items: end;
}
#cost .section-header{
    grid-template-columns: 1.5fr 1.5fr;
}
#platform .section-header{
    grid-template-columns: 1.3fr 1.5fr;
}
.section-num {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--yellow-dark);
  margin-bottom: 14px;
}
.section-title {
  
  font-size: clamp(32px, 4.5vw, 56px);
  line-height: 1.05;
  font-weight: 400;
  letter-spacing: -0.022em;
  color: var(--ink);
  font-variation-settings: "opsz" 144;
  padding-left:0px;
}
.section-title em {
  font-style: italic;
  font-weight: 300;
  color: var(--yellow-dark);
}
.section-intro {
  line-height: 1.6;
  color: var(--gray-700);
  max-width: 640px;
}

/* Shift (01) */
.shift { background: white; }
.shift-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}
.shift-card {
  background: var(--white);
  padding: var(--space-5);
  border-radius: var(--r-lg);
  border: 1px solid var(--gray-200);
  transition: all 0.25s ease;
}
.shift-card:hover {
  border-color: var(--yellow);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.shift-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  background: var(--yellow);
  color: var(--ink);
  border-radius: var(--r-sm);
  
  font-size: 18px;
  font-weight: 700;
  margin-bottom: var(--space-3);
}
.shift-card h3 {
  
  font-size: 24px;
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin-bottom: 14px;
  color: var(--ink);
}
.shift-card p {
  font-size: 16px;
  color: var(--gray-700);
  line-height: 1.6;
}
.pull-quote {
  margin-top: var(--space-6);
  padding: var(--space-5) var(--space-6);
  background: var(--ink);
  color: var(--white);
  border-radius: var(--r-lg);
  
  font-size: clamp(22px, 2.5vw, 30px);
  line-height: 1.35;
  font-weight: 400;
  font-style: italic;
  letter-spacing: -0.01em;
  border-left: 6px solid var(--yellow);
}
.pull-quote cite {
  display: block;
  
  font-style: normal;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--yellow);
  margin-top: 20px;
}

/* Platform features (02) */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}
.feature {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--r-lg);
  padding: var(--space-5);
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}
.feature::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 4px;
  background: var(--yellow);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.feature:hover::before { transform: scaleX(1); }
.feature:hover {
  border-color: var(--yellow-pale);
  box-shadow: var(--shadow-lg);
}
.feature-icon {
  width: 56px; height: 56px;
  background: var(--yellow-soft);
  color: var(--yellow-dark);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-3);
}
.feature-icon svg { width: 28px; height: 28px; }
.feature-tag {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--yellow-dark);
  margin-bottom: 12px;
}
.feature h4 {
  
  font-size: 26px;
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin-bottom: 14px;
  color: var(--ink);
}
.feature p {
  color: var(--gray-700);
  line-height: 1.6;
  margin-bottom: var(--space-3);
}
.feature-stat {
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px dashed var(--gray-300);
  font-size: 14px;
  color: var(--gray-700);
  font-weight: 500;
}
.feature-stat strong {
  
  color: var(--ink);
  font-size: 20px;
  font-weight: 600;
  margin-right: 8px;
}

/* Cost of doing nothing (04) */
.cost { background: var(--yellow-soft); }
.cost-layout {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--space-6);
  align-items: start;
}
.cost-list { display: flex; flex-direction: column; }
.cost-item {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: var(--space-3);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--yellow-pale);
}
.cost-item:first-child { padding-top: 0; }
.cost-item:last-child { border-bottom: none; padding-bottom: 0; }
.cost-icon {
  width: 48px; height: 48px;
  background: var(--white);
  border: 1.5px solid var(--ink);
  color: var(--ink);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  
  font-size: 18px;
  font-weight: 600;
  flex-shrink: 0;
}
.cost-item h5 {
  
  font-size: 22px;
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.015em;
  margin-bottom: 8px;
  color: var(--ink);
}
.cost-item p {
  font-size: 15px;
  color: var(--gray-700);
  line-height: 1.6;
}
.cost-aside {
  background: var(--ink);
  color: var(--white);
  padding: var(--space-5);
  border-radius: var(--r-lg);
  position: sticky;
  top: 100px;
  border-top: 6px solid var(--yellow);
}
.moment-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--yellow);
  margin-bottom: 12px;
}
.cost-aside-stat {
  
  font-size: 76px;
  line-height: 0.95;
  font-weight: 300;
  letter-spacing: -0.025em;
  margin: 12px 0 16px;
}
.cost-aside-stat span { color: var(--yellow); }
.cost-aside p {
  font-size: 15px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.78);
  margin-bottom: var(--space-3);
}
.cost-aside small {
  display: block;
  font-size: 11px;
  color: white;
  letter-spacing: 0.04em;
  font-weight: 500;
}


/* Reveal animation */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }
  .reveal.visible {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive */
@media (max-width: 1024px) {
  .section-header { grid-template-columns: 1fr; gap: var(--space-3); }
  .shift-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .cost-layout { grid-template-columns: 1fr; gap: var(--space-5); }
  .cost-aside { position: static; }
}
@media (max-width: 720px) {
  .wrap { padding-left: 20px; padding-right: 20px; }
  .section { padding: var(--space-7) 0; }
  .nav-links a:not(.btn) { display: none; }
  .nav .wrap { padding-top: 14px; padding-bottom: 14px; }
  .pull-quote { padding: var(--space-4); border-left-width: 4px; }
  .feature, .shift-card, .cost-aside { padding: var(--space-4); }
  .advisory { font-size: 12px; }
  .cost-aside-stat { font-size: 56px; }
}
@media (max-width: 480px) {
  .cost-aside-stat { font-size: 48px; }
  .feature-icon { width: 48px; height: 48px; }
  .feature-icon svg { width: 24px; height: 24px; }
}

/* Accessibility */
.btn:focus-visible,
a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--yellow);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}

@media (min-width: 1300px) {
    p,div,body,span,li,button{
        font-size:24px;
    }
    .cost-aside small{
        font-size:0.9rem;
    }
    .section-num{
        font-size:1.4rem!important;
    }
    .feature p,.shift-card p,.cost-aside p,.cost-item p{
        font-size:1.2rem!important;
    }
    .pull-quote cite,.feature-tag,.moment-label{
        font-size:1.1rem!important;
    }
    .section-intro{
        margin-bottom:40px;
    }
}