/* ============================================================
   PropanePal Website — styles.css
   ============================================================ */

/* 1. Variables
   ============================================================ */
:root {
  --green:        #39A85C;
  --green-dark:   #2C8A48;
  --green-light:  #EBF7EF;
  --navy:         #0F1E2E;
  --amber:        #E8961E;
  --amber-light:  #FEF3E2;
  --text:         #1A2B3C;
  --muted:        #607080;
  --bg:           #F7F8FA;
  --surface:      #FFFFFF;
  --border:       #DDE4EC;
  --red-light:    #FEE8E8;
  --red:          #D64242;

  --font: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --radius-sm:  4px;
  --radius:     8px;
  --radius-lg:  12px;

  --shadow-sm:  0 1px 3px rgba(15,30,46,0.08);
  --shadow:     0 4px 16px rgba(15,30,46,0.10);
  --shadow-lg:  0 12px 40px rgba(15,30,46,0.14);

  --max-width: 1080px;
  --nav-h: 64px;
}

/* 2. Reset & Base
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--green);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

ul, ol {
  list-style: none;
}

button {
  font-family: var(--font);
  cursor: pointer;
  border: none;
  background: none;
}

/* 3. Typography
   ============================================================ */
h1 {
  font-size: clamp(36px, 5vw, 54px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--navy);
}

h2 {
  font-size: clamp(26px, 3.5vw, 36px);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--navy);
}

h3 {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--navy);
}

h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--navy);
}

p {
  color: var(--text);
}

.eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.lead {
  font-size: 18px;
  line-height: 1.6;
  color: var(--muted);
}

/* 4. Layout
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.section {
  padding-top: 88px;
  padding-bottom: 88px;
}

.section--sm {
  padding-top: 56px;
  padding-bottom: 56px;
}

.section--lg {
  padding-top: 112px;
  padding-bottom: 112px;
}

.section--white {
  background: var(--surface);
}

.section--bg {
  background: var(--bg);
}

.section__header {
  max-width: 600px;
  margin-bottom: 56px;
}

.section__header--center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.section__header h2 {
  margin-top: 12px;
}

.section__header p {
  margin-top: 14px;
  color: var(--muted);
  font-size: 17px;
}

/* 5. Navigation
   ============================================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(247,248,250,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s, background 0.2s;
}

.nav.scrolled {
  border-bottom-color: var(--border);
  background: rgba(255,255,255,0.96);
}

.nav__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.nav__logo {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  object-fit: cover;
}

.nav__brand-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.01em;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}

.nav__links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: color 0.15s, background 0.15s;
  text-decoration: none;
}

.nav__links a:hover {
  color: var(--navy);
  background: rgba(15,30,46,0.05);
}

.nav__links a.active {
  color: var(--navy);
}

.nav__cta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 24px;
  padding: 4px 0;
}

.nav__hamburger span {
  display: block;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: all 0.25s;
}

#hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
#hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
#hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav__mobile {
  display: none;
  position: fixed;
  inset: var(--nav-h) 0 0 0;
  background: var(--surface);
  flex-direction: column;
  padding: 32px 24px;
  gap: 8px;
  z-index: 99;
  border-top: 1px solid var(--border);
}

.nav__mobile.open {
  display: flex;
}

.nav__mobile a {
  font-size: 18px;
  font-weight: 500;
  color: var(--text);
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
}

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

.nav__mobile .btn {
  margin-top: 16px;
  text-align: center;
}

/* 6. Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  transition: all 0.15s;
  white-space: nowrap;
}

.btn--primary {
  background: var(--green);
  color: #fff;
}

.btn--primary:hover {
  background: var(--green-dark);
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(57,168,92,0.35);
}

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

.btn--outline:hover {
  border-color: var(--navy);
  text-decoration: none;
}

.btn--lg {
  padding: 14px 28px;
  font-size: 16px;
}

.btn--coming-soon {
  background: var(--amber-light);
  color: #9A6010;
  border: 1.5px solid rgba(232,150,30,0.3);
  cursor: default;
  pointer-events: none;
  gap: 6px;
}

.btn--coming-soon::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--amber);
  flex-shrink: 0;
}

.coming-soon-store {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--navy);
  color: #fff;
  padding: 10px 18px;
  border-radius: 12px;
  text-decoration: none;
  opacity: 0.6;
  cursor: default;
  pointer-events: none;
}

.coming-soon-store__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.coming-soon-store__icon svg {
  width: 24px;
  height: 24px;
  fill: #fff;
  display: block;
  flex-shrink: 0;
}

.coming-soon-store__text {
  display: flex;
  flex-direction: column;
}

.coming-soon-store__line1 {
  font-size: 11px;
  font-weight: 500;
  opacity: 0.8;
}

.coming-soon-store__line2 {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.1;
}

/* 7. Hero
   ============================================================ */
.hero {
  background: var(--surface);
  padding-top: 72px;
  padding-bottom: 80px;
  overflow: hidden;
}

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

.hero__content {
  max-width: 520px;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 20px;
}

.hero__eyebrow::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
}

.hero__headline {
  margin-bottom: 20px;
}

.hero__subhead {
  font-size: 18px;
  line-height: 1.6;
  color: var(--muted);
  margin-bottom: 32px;
}

.hero__actions {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}

.hero__store-btn {
  display: inline-block;
  text-decoration: none;
}

.hero__store-btn img,
.hero__store-btn svg {
  height: 48px;
  width: auto;
}

.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.trust-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 100px;
}

.trust-tag svg {
  width: 12px;
  height: 12px;
  color: var(--green);
  flex-shrink: 0;
}

.hero__visual {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  position: relative;
}

.hero__screenshot {
  width: 260px;
  border-radius: 32px;
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 1;
}

/* floating stats card */
.hero__stat-card {
  position: absolute;
  left: -20px;
  bottom: 60px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  box-shadow: var(--shadow);
  z-index: 2;
  min-width: 160px;
}

.hero__stat-card .stat-label {
  font-size: 11px;
  color: var(--muted);
  font-weight: 500;
  margin-bottom: 2px;
}

.hero__stat-card .stat-value {
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
}

.hero__stat-card .stat-sub {
  font-size: 11px;
  color: var(--green);
  font-weight: 500;
  margin-top: 2px;
}

/* 8. Status Badges
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 100px;
}

.badge--safe {
  background: var(--green-light);
  color: var(--green-dark);
}

.badge--watch {
  background: var(--amber-light);
  color: #9A6010;
}

.badge--critical {
  background: var(--red-light);
  color: var(--red);
}

.badge--low-conf {
  background: var(--amber-light);
  color: #9A6010;
}

.badge--high-conf {
  background: var(--green-light);
  color: var(--green-dark);
}

.badge--warn {
  background: var(--amber-light);
  color: #9A6010;
}

/* 9. Reading Methods
   ============================================================ */
.methods {
  background: var(--surface);
  border-top: 1px solid var(--border);
}

.methods__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.method-item {
  display: flex;
  gap: 20px;
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
}

.method-item:nth-child(odd) {
  padding-right: 48px;
  border-right: 1px solid var(--border);
}

.method-item:nth-child(even) {
  padding-left: 48px;
}

.method-item:nth-last-child(-n+2) {
  border-bottom: none;
}

/* If last item is odd and alone on its row */
.method-item:last-child:nth-child(odd) {
  grid-column: 1 / -1;
  border-right: none;
  padding-right: 0;
  max-width: 50%;
}

.method__number {
  font-size: 28px;
  font-weight: 800;
  color: var(--border);
  line-height: 1;
  flex-shrink: 0;
  min-width: 36px;
  letter-spacing: -0.03em;
}

.method__body {}

.method__name {
  font-size: 16px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 4px;
}

.method__desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.5;
}

.method__tag {
  display: inline-flex;
  align-items: center;
  margin-top: 6px;
  font-size: 11px;
  font-weight: 500;
  color: var(--muted);
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 2px 8px;
  border-radius: 100px;
}

/* 10. How Predictions Work
   ============================================================ */
.predictions {
  background: var(--navy);
  color: #fff;
}

.predictions .section__header h2 {
  color: #fff;
}

.predictions .section__header p {
  color: rgba(255,255,255,0.6);
}

.predictions__steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.prediction-step {
  background: rgba(255,255,255,0.04);
  padding: 36px 32px;
  position: relative;
}

.prediction-step__num {
  font-size: 48px;
  font-weight: 800;
  color: rgba(255,255,255,0.08);
  line-height: 1;
  margin-bottom: 16px;
  letter-spacing: -0.03em;
}

.prediction-step__title {
  font-size: 17px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 10px;
}

.prediction-step__desc {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  line-height: 1.6;
}

.predictions__confidence {
  margin-top: 40px;
  padding: 28px 32px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
}

.predictions__confidence h4 {
  color: rgba(255,255,255,0.5);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
  font-weight: 600;
}

.confidence-levels {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.confidence-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,0.7);
}

.confidence-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.confidence-dot--high   { background: #4ADE80; }
.confidence-dot--medium { background: #FBB740; }
.confidence-dot--low    { background: #F87171; }
.confidence-dot--unknown{ background: rgba(255,255,255,0.3); }

/* 11. Features
   ============================================================ */
.features {
  background: var(--surface);
}

.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  padding: 72px 0;
  border-bottom: 1px solid var(--border);
}

.feature-row:last-child {
  border-bottom: none;
}

.feature-row--reverse .feature__content {
  order: 2;
}

.feature-row--reverse .feature__visual {
  order: 1;
}

.feature__content {}

.feature__eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 12px;
}

.feature__content h2,
.feature__content h3 {
  font-size: 26px;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.015em;
  color: var(--navy);
  margin-bottom: 16px;
}

.feature__content p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
  margin-bottom: 20px;
}

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

.feature__bullets li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 14px;
  color: var(--text);
}

.feature__bullets li::before {
  content: '—';
  color: var(--green);
  font-weight: 700;
  flex-shrink: 0;
}

.feature__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

/* CSS-built UI mockups */
.mockup {
  width: 100%;
  max-width: 320px;
  background: var(--bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.mockup__header {
  background: var(--surface);
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  font-weight: 600;
  color: var(--navy);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mockup__body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mockup-tank-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
}

.mockup-tank-card__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 10px;
}

.mockup-tank-card__name {
  font-size: 14px;
  font-weight: 600;
  color: var(--navy);
}

.mockup-tank-card__level {
  font-size: 20px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 4px;
}

.mockup-tank-card__gallons {
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 8px;
}

.progress-bar {
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 10px;
}

.progress-bar__fill {
  height: 100%;
  border-radius: 3px;
  background: var(--green);
}

.progress-bar__fill--amber {
  background: var(--amber);
}

.mockup-tank-card__meta {
  font-size: 11px;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.mockup-refill {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  font-size: 12px;
}

.mockup-refill__row {
  display: flex;
  justify-content: space-between;
  padding: 5px 0;
  border-bottom: 1px solid var(--border);
}

.mockup-refill__row:last-child {
  border-bottom: none;
}

.mockup-refill__label {
  color: var(--muted);
}

.mockup-refill__value {
  font-weight: 600;
  color: var(--navy);
}

/* Insights mockup */
.mockup-chart {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.mockup-chart__title {
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.chart-bars {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 80px;
}

.chart-bar {
  flex: 1;
  background: var(--green);
  border-radius: 3px 3px 0 0;
  opacity: 0.7;
  transition: opacity 0.2s;
}

.chart-bar:hover {
  opacity: 1;
}

.chart-bar--amber {
  background: var(--amber);
}

.chart-labels {
  display: flex;
  gap: 6px;
  margin-top: 6px;
}

.chart-label {
  flex: 1;
  font-size: 9px;
  color: var(--muted);
  text-align: center;
}

.mockup-stats {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
  margin-top: 10px;
}

.mockup-stat {
  background: var(--bg);
  border-radius: var(--radius-sm);
  padding: 10px 8px;
  text-align: center;
}

.mockup-stat__value {
  font-size: 16px;
  font-weight: 700;
  color: var(--navy);
}

.mockup-stat__label {
  font-size: 10px;
  color: var(--muted);
  margin-top: 2px;
}

/* Privacy mockup */
.privacy-visual {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 320px;
  width: 100%;
}

.privacy-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.privacy-item__icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 18px;
}

.privacy-item__icon--green { background: var(--green-light); }
.privacy-item__icon--amber { background: var(--amber-light); }
.privacy-item__icon--navy  { background: rgba(15,30,46,0.06); }

.privacy-item__content {}

.privacy-item__title {
  font-size: 13px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 2px;
}

.privacy-item__desc {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.4;
}

/* 12. Pricing
   ============================================================ */
.pricing {
  background: var(--bg);
}

.pricing__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 800px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
}

.pricing-card--featured {
  border-color: var(--green);
  position: relative;
}

.pricing-card__badge {
  position: absolute;
  top: -12px;
  left: 24px;
  background: var(--green);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 100px;
}

.pricing-card__tier {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}

.pricing-card__headline {
  font-size: 22px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 4px;
}

.pricing-card__sub {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 24px;
}

.pricing-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}

.pricing-option {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
}

.pricing-option--highlight {
  border-color: var(--green);
  background: var(--green-light);
}

.pricing-option__name {
  font-weight: 600;
  color: var(--navy);
}

.pricing-option__price {
  font-weight: 700;
  color: var(--navy);
}

.pricing-option__savings {
  font-size: 11px;
  color: var(--green);
  font-weight: 600;
}

.pricing-features {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
}

.pricing-feature {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--text);
}

.pricing-feature__check {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--green-light);
  color: var(--green);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.pricing-feature__check svg {
  width: 10px;
  height: 10px;
}

.pricing-feature__future {
  font-size: 11px;
  color: var(--muted);
  display: block;
  margin-top: 1px;
}

.pricing__cta-note {
  text-align: center;
  font-size: 13px;
  color: var(--muted);
  margin-top: 20px;
}

/* 13. FAQ
   ============================================================ */
.faq {
  background: var(--surface);
}

.faq__list {
  max-width: 720px;
  margin: 0 auto;
}

details.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 8px;
  transition: box-shadow .15s;
}

details.faq-item[open] {
  box-shadow: var(--shadow);
}

details.faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  font-size: 16px;
  font-weight: 600;
  color: var(--navy);
  cursor: pointer;
  list-style: none;
  user-select: none;
}

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

details.faq-item summary::after {
  content: '+';
  font-size: 22px;
  font-weight: 300;
  color: var(--muted);
  flex-shrink: 0;
  line-height: 1;
  transition: transform 0.2s;
}

details.faq-item[open] summary::after {
  content: '−';
}

details.faq-item .faq__answer {
  padding: 0 20px 18px;
  font-size: 15px;
  color: var(--text);
  line-height: 1.65;
  border-top: 1px solid var(--border);
}

details.faq-item .faq__answer p + p {
  margin-top: 10px;
}

/* 14. Download CTA
   ============================================================ */
.download-cta {
  background: var(--green);
  text-align: center;
}

.download-cta h2 {
  color: #fff;
  margin-bottom: 12px;
}

.download-cta p {
  color: rgba(255,255,255,0.75);
  font-size: 16px;
  margin-bottom: 32px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.download-cta .btn--primary {
  background: #fff;
  color: var(--green-dark);
}

.download-cta .btn--primary:hover {
  background: rgba(255,255,255,0.92);
  box-shadow: none;
}

/* 15. Footer
   ============================================================ */
.footer {
  background: var(--navy);
  padding: 48px 0 32px;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 28px;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  text-decoration: none;
}

.footer__brand-logo {
  width: 32px;
  height: 32px;
  border-radius: 7px;
  object-fit: cover;
}

.footer__brand-name {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
}

.footer__tagline {
  font-size: 13px;
  color: rgba(255,255,255,0.45);
  line-height: 1.5;
  margin-bottom: 20px;
}

.footer__inner--full {
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
}

.footer__col-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: 14px;
}

.footer__links + .footer__col-title {
  margin-top: 24px;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__links a {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  transition: color 0.15s;
}

.footer__links a:hover {
  color: #fff;
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.footer__copyright {
  font-size: 12px;
  color: rgba(255,255,255,0.3);
}

.footer__disclaimer {
  font-size: 11px;
  color: rgba(255,255,255,0.25);
  max-width: 480px;
  line-height: 1.5;
}

/* 16. Legal Pages (Privacy, Terms)
   ============================================================ */
.legal-hero {
  background: var(--surface);
  padding: 56px 0 40px;
  border-bottom: 1px solid var(--border);
}

.legal-hero h1 {
  font-size: 36px;
  margin-bottom: 8px;
}

.legal-hero .legal-date {
  font-size: 13px;
  color: var(--muted);
}

.legal-body {
  background: var(--surface);
  padding: 56px 0 80px;
}

.legal-doc {
  max-width: 700px;
}

.legal-callout {
  background: var(--green-light);
  border: 1px solid rgba(57,168,92,0.25);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin-bottom: 40px;
}

.legal-callout p {
  font-size: 15px;
  color: var(--green-dark);
  font-weight: 500;
  line-height: 1.5;
}

.legal-section {
  margin-bottom: 40px;
}

.legal-section h2 {
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.legal-section p {
  font-size: 15px;
  color: var(--text);
  line-height: 1.7;
  margin-bottom: 12px;
}

.legal-section p:last-child {
  margin-bottom: 0;
}

.legal-section ul, .legal-section ol {
  list-style: disc;
  padding-left: 20px;
  margin: 10px 0 12px;
}

.legal-section li {
  font-size: 15px;
  color: var(--text);
  line-height: 1.6;
  margin-bottom: 5px;
}

.legal-section strong {
  font-weight: 600;
  color: var(--navy);
}

.legal-section .warning-box {
  background: var(--amber-light);
  border: 1px solid rgba(232,150,30,0.3);
  border-radius: var(--radius);
  padding: 14px 18px;
  margin: 16px 0;
}

.legal-section .warning-box p {
  font-size: 14px;
  color: #7B5E15;
  margin: 0;
}

/* 17. Support Page
   ============================================================ */
.support-hero {
  background: var(--surface);
  padding: 56px 0 40px;
  border-bottom: 1px solid var(--border);
}

.support-hero h1 {
  font-size: 36px;
  margin-bottom: 12px;
}

.support-contact-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.support-contact-bar .contact-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--muted);
}

.support-contact-bar .contact-item strong {
  color: var(--navy);
}

.support-body {
  background: var(--surface);
  padding: 56px 0 80px;
}

.support-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 48px;
  align-items: start;
}

.support-nav {
  position: sticky;
  top: calc(var(--nav-h) + 24px);
}

.support-nav__title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}

.support-nav__links {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.support-nav__links a {
  font-size: 14px;
  color: var(--muted);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: color 0.15s, background 0.15s;
}

.support-nav__links a:hover,
.support-nav__links a.active {
  color: var(--navy);
  background: var(--bg);
}

.support-content {}

.support-section {
  margin-bottom: 56px;
  scroll-margin-top: calc(var(--nav-h) + 24px);
}

.support-section h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--border);
}

.support-section h2 span {
  display: inline-block;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 2px 8px;
  margin-left: 10px;
  vertical-align: middle;
}

details.support-item {
  border-bottom: 1px solid var(--border);
}

details.support-item:first-of-type {
  border-top: 1px solid var(--border);
}

details.support-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 16px 4px;
  font-size: 15px;
  font-weight: 500;
  color: var(--navy);
  cursor: pointer;
  list-style: none;
  user-select: none;
}

details.support-item summary::-webkit-details-marker {
  display: none;
}

details.support-item summary::after {
  content: '+';
  font-size: 20px;
  font-weight: 300;
  color: var(--muted);
  flex-shrink: 0;
}

details.support-item[open] summary::after {
  content: '−';
}

details.support-item .support-answer {
  padding: 0 4px 18px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.65;
}

details.support-item .support-answer p + p {
  margin-top: 8px;
}

details.support-item .support-answer ul {
  list-style: disc;
  padding-left: 20px;
  margin: 8px 0;
}

details.support-item .support-answer li {
  margin-bottom: 4px;
}

.support-tips {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 32px;
}

.support-tips h3 {
  font-size: 17px;
  margin-bottom: 16px;
}

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

.support-tips li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 14px;
  color: var(--text);
}

.support-tips li::before {
  content: '→';
  color: var(--green);
  font-weight: 700;
  flex-shrink: 0;
}

.refund-callout {
  background: var(--bg);
  border: 1px solid var(--border);
  border-left: 3px solid var(--amber);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin-bottom: 24px;
}

.refund-callout h4 {
  margin-bottom: 6px;
}

.refund-callout p {
  font-size: 14px;
  color: var(--muted);
}

/* 18. App Store Badge SVG
   ============================================================ */
.appstore-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--navy);
  color: #fff;
  padding: 10px 18px;
  border-radius: 10px;
  text-decoration: none;
  transition: opacity 0.15s;
  font-size: 12px;
  font-weight: 600;
}

.appstore-badge:hover {
  opacity: 0.88;
  text-decoration: none;
}

.appstore-badge__icon svg {
  width: 22px;
  height: 22px;
  fill: #fff;
}

.appstore-badge__text {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.appstore-badge__line1 {
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.03em;
  opacity: 0.75;
  text-transform: uppercase;
}

.appstore-badge__line2 {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.1;
}

/* 19. Utilities
   ============================================================ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.mt-4  { margin-top: 4px; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }

.text-center { text-align: center; }
.text-muted  { color: var(--muted); }

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

/* 20. Responsive
   ============================================================ */

/* Tablet */
@media (max-width: 1024px) {
  .hero__inner {
    gap: 40px;
  }

  .hero__screenshot {
    width: 220px;
  }

  .hero__stat-card {
    display: none;
  }

  .feature-row {
    gap: 48px;
  }

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

/* Mobile */
@media (max-width: 768px) {
  .section {
    padding-top: 64px;
    padding-bottom: 64px;
  }

  .nav__links {
    display: none;
  }

  .nav__cta .btn {
    display: none;
  }

  .nav__hamburger {
    display: flex;
  }

  .hero {
    padding-top: 48px;
    padding-bottom: 56px;
  }

  .hero__inner {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: left;
  }

  .hero__visual {
    order: -1;
    justify-content: flex-start;
  }

  .hero__screenshot {
    width: 200px;
  }

  .hero__content {
    max-width: 100%;
  }

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

  .method-item {
    padding-right: 0 !important;
    padding-left: 0 !important;
    border-right: none !important;
  }

  .method-item:nth-last-child(-n+2) {
    border-bottom: 1px solid var(--border);
  }

  .method-item:last-child {
    border-bottom: none;
  }

  .method-item:last-child:nth-child(odd) {
    max-width: 100%;
    grid-column: auto;
  }

  .feature-row {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 48px 0;
  }

  .feature-row--reverse .feature__content,
  .feature-row--reverse .feature__visual {
    order: unset;
  }

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

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

  .footer__bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .support-layout {
    grid-template-columns: 1fr;
  }

  .support-nav {
    display: none;
  }
}

@media (max-width: 480px) {
  .hero__screenshot {
    width: 180px;
  }

  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  h1 {
    font-size: 32px;
  }
}

/* ── Dropdown navigation ─────────────────────────────────────────── */
.nav__item {
  position: relative;
  list-style: none;
}

.nav__dropdown-trigger {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  cursor: pointer;
  background: none;
  border: none;
  font-family: inherit;
  transition: color .15s, background .15s;
  white-space: nowrap;
}

.nav__dropdown-trigger:hover,
.nav__item.is-open .nav__dropdown-trigger {
  color: var(--navy);
  background: rgba(15,30,46,.05);
}

.nav__dropdown-arrow {
  width: 12px;
  height: 12px;
  transition: transform .2s;
  flex-shrink: 0;
}

.nav__item.is-open .nav__dropdown-arrow {
  transform: rotate(180deg);
}

.nav__dropdown-menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%) translateY(-6px);
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 6px;
  min-width: 220px;
  z-index: 300;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .18s, transform .18s;
}

.nav__item.is-open .nav__dropdown-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.nav__mega-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  left: auto;
  transform: translateY(-6px);
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 16px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 24px;
  min-width: 440px;
  z-index: 300;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .18s, transform .18s;
}

.nav__item.is-open .nav__mega-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.nav__mega-col-title {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--muted);
  padding: 0 8px 6px;
  margin-bottom: 2px;
  border-bottom: 1px solid var(--border);
  margin-top: 12px;
}

.nav__mega-col:first-child .nav__mega-col-title:first-child {
  margin-top: 0;
}

.nav__mega-col .nav__mega-col-title:not(:first-child) {
  margin-top: 12px;
}

.nav__mega-col a {
  display: block;
  padding: 8px 0;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text);
  text-decoration: none;
  transition: color .12s;
}

.nav__mega-col a:hover {
  color: var(--navy);
}

.nav__dropdown-item {
  display: flex;
  align-items: center;
  padding: 9px 12px;
  border-radius: var(--radius);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text);
  text-decoration: none;
  transition: background .12s, color .12s;
  white-space: nowrap;
}

.nav__dropdown-item:hover {
  background: var(--bg);
  color: var(--navy);
}

.nav__dropdown-divider {
  height: 1px;
  background: var(--border);
  margin: 4px 6px;
}

.nav__dropdown-label {
  padding: 6px 12px 2px;
  font-size: 10px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .07em;
  display: block;
}

/* ── Nav links styling ──────────────────────────────────────────── */
.nav__links li {
  list-style: none;
  display: flex;
  align-items: center;
}

.nav__links > li > a {
  display: flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  transition: color .15s, background .15s;
  white-space: nowrap;
}

.nav__links > li > a:hover {
  color: var(--navy);
  background: rgba(15,30,46,.05);
  text-decoration: none;
}

/* ── Mobile dropdown accordion ───────────────────────────────────── */
.nav__mobile-group {
  border-bottom: 1px solid var(--border);
}

.nav__mobile-group-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 16px 20px;
  background: none;
  border: none;
  color: var(--text);
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
}

.nav__mobile-submenu {
  display: none;
  padding: 0 0 8px 16px;
}

.nav__mobile-submenu.is-open {
  display: block;
}

.nav__mobile-submenu a {
  display: block;
  padding: 8px 12px;
  font-size: 14px;
  color: var(--muted);
  text-decoration: none;
  border-radius: var(--radius);
}

.nav__mobile-submenu a:hover {
  color: var(--navy);
  background: var(--bg);
}

/* ── Footer sub-label ────────────────────────────────────────────── */
.footer__sub-label {
  color: rgba(255,255,255,.25);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .07em;
  margin-top: 10px;
  display: block;
}

/* ── Inner page hero ─────────────────────────────────────────────── */
.page-hero {
  background: linear-gradient(160deg, #ffffff 0%, #f2faf5 100%);
  padding: 88px 0 72px;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle at center, rgba(57,168,92,.10) 0%, transparent 65%);
  pointer-events: none;
}

.page-hero::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: -60px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle at center, rgba(57,168,92,.05) 0%, transparent 65%);
  pointer-events: none;
}

.page-hero__eyebrow {
  display: inline-block;
  background: var(--green-light);
  color: var(--green);
  border: 1px solid rgba(57,168,92,.2);
  border-radius: 999px;
  padding: 4px 14px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.page-hero__headline {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 800;
  color: var(--navy);
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin: 0 0 18px;
}

.page-hero__lead {
  font-size: 18px;
  color: var(--muted);
  max-width: 600px;
  line-height: 1.65;
  margin: 0 0 32px;
}

/* ── Prose (guides, comparison pages) ───────────────────────────── */
.prose {
  max-width: 760px;
  margin: 0 auto;
}

.prose h2 {
  font-size: clamp(20px, 2.5vw, 26px);
  font-weight: 600;
  color: var(--navy);
  letter-spacing: -0.015em;
  margin: 48px 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.prose h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--navy);
  margin: 32px 0 8px;
}

.prose p {
  color: var(--text);
  line-height: 1.75;
  margin-bottom: 18px;
}

.prose ul,
.prose ol {
  color: var(--text);
  line-height: 1.75;
  margin: 0 0 18px 24px;
}

.prose li {
  margin-bottom: 6px;
}

.prose strong {
  color: var(--navy);
  font-weight: 600;
}

.prose .callout {
  background: var(--green-light);
  border-left: 3px solid var(--green);
  padding: 16px 20px;
  border-radius: var(--radius);
  margin: 24px 0;
}

.prose .callout--amber {
  background: var(--amber-light);
  border-left-color: var(--amber);
}

.prose .callout p {
  margin-bottom: 0;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin: 24px 0;
}

.prose table th {
  background: var(--bg);
  padding: 10px 14px;
  text-align: left;
  font-weight: 600;
  color: var(--navy);
  border-bottom: 2px solid var(--border);
}

.prose table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}

/* ── Comparison table ────────────────────────────────────────────── */
.compare-table-wrap {
  overflow-x: auto;
  margin: 32px 0;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

.compare-table th {
  background: var(--navy);
  color: #fff;
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
}

.compare-table th:first-child {
  background: var(--bg);
  color: var(--muted);
}

.compare-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.compare-table tr:last-child td {
  border-bottom: none;
}

.compare-table tr:nth-child(even) td {
  background: var(--bg);
}

.compare-table .check {
  color: var(--green);
  font-weight: 700;
}

.compare-table .cross {
  color: var(--red);
  font-weight: 700;
}

/* ── Calculator / Tool pages ─────────────────────────────────────── */
.calc-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  max-width: 640px;
  margin: 0 auto;
  box-shadow: var(--shadow);
}

.calc-field {
  margin-bottom: 24px;
}

.calc-field label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 8px;
}

.calc-field select,
.calc-field input[type="number"] {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 15px;
  color: var(--text);
  background: var(--surface);
  box-sizing: border-box;
}

.calc-field input[type="range"] {
  width: 100%;
  padding: 4px 0;
  cursor: pointer;
  accent-color: var(--green);
}

.calc-field .range-labels {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--muted);
  margin-top: 4px;
}

.calc-result {
  background: var(--green-light);
  border: 1px solid var(--green);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  margin-top: 8px;
}

.calc-result__primary {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  color: var(--navy);
  line-height: 1;
}

.calc-result__label {
  font-size: 14px;
  color: var(--muted);
  margin-top: 6px;
}

.calc-result__secondary {
  display: flex;
  gap: 32px;
  justify-content: center;
  margin-top: 24px;
  flex-wrap: wrap;
}

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

.calc-result__stat-value {
  font-size: 20px;
  font-weight: 700;
  color: var(--navy);
}

.calc-result__stat-label {
  font-size: 12px;
  color: var(--muted);
  margin-top: 2px;
}

.calc-btn {
  display: block;
  width: 100%;
  padding: 14px;
  background: var(--green);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 8px;
  transition: background .15s;
}

.calc-btn:hover {
  background: var(--green-dark);
}

.calc-disclaimer {
  font-size: 12px;
  color: var(--muted);
  text-align: center;
  margin-top: 16px;
  line-height: 1.5;
}

.calc-cta {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
  margin-top: 24px;
}

.calc-cta p {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 12px;
}

/* ── Related pages grid ──────────────────────────────────────────── */
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.related-card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  text-decoration: none;
  transition: box-shadow .15s, border-color .15s, transform .15s;
}

.related-card:hover {
  border-color: var(--green);
  border-left-color: var(--green);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.related-card__title {
  font-size: 14px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 6px;
  line-height: 1.3;
}

.related-card__desc {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}

/* ── Audience use-case grid ──────────────────────────────────────── */
.use-case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 32px;
}

.use-case-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.use-case-card__icon {
  font-size: 28px;
  margin-bottom: 12px;
}

.use-case-card__title {
  font-size: 15px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 6px;
}

.use-case-card__desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.5;
}

/* ── Page responsive overrides ───────────────────────────────────── */
@media (max-width: 768px) {
  .page-hero {
    padding: 48px 0 40px;
  }

  .page-hero__lead {
    font-size: 16px;
  }

  .calc-card {
    padding: 24px;
  }

  .calc-result__secondary {
    gap: 20px;
  }

  .compare-table {
    font-size: 14px;
  }
}