/* The Sun Energy Guide — Premium Educational Styles */

:root {
  --color-bg: #f8fafc;
  --color-bg-alt: #ffffff;
  --color-bg-warm: #f1f5f9;
  --color-text: #111827;
  --color-text-muted: #4b5563;
  --color-navy: #0f172a;
  --color-navy-light: #1f2a44;
  --color-teal: #2b91a3;
  --color-teal-dark: #1a5a6a;
  --color-green: #2d6a4f;
  --color-green-soft: #40916c;
  --color-green-bg: #edf7f1;
  --color-green-tint: #abde99;
  --color-green-muted: rgba(171, 222, 153, 0.18);
  --color-green-border: rgba(171, 222, 153, 0.45);
  --color-gold: #ffbd59;
  --color-gold-hover: #e6a23c;
  --color-gold-soft: #ffc977;
  --color-gold-bg: #fff8ed;
  --color-border: #e5e7eb;
  --color-border-light: #eceef2;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: Georgia, "Times New Roman", serif;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(31, 42, 68, 0.06);
  --shadow-md: 0 4px 16px rgba(31, 42, 68, 0.08);
  --shadow-lg: 0 8px 32px rgba(31, 42, 68, 0.1);
  --max-width: 1120px;
  --max-width-narrow: 720px;
  --header-height: 72px;
  --transition: 0.2s ease;
  --cta-bg-image: url("https://ik.imagekit.io/iwx5svscw/EV%20Charging/EV%20Charger%201.1.png?updatedAt=1777897220664");
}

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

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

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

a {
  color: var(--color-teal-dark);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-teal);
}

h1, h2, h3, h4 {
  color: var(--color-navy);
  line-height: 1.3;
  font-weight: 600;
}

h1 {
  font-size: clamp(1.875rem, 4vw, 2.75rem);
  margin: 0 0 var(--space-md);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.375rem, 2.5vw, 1.75rem);
  margin: var(--space-lg) 0 var(--space-sm);
}

h3 {
  font-size: 1.2rem;
  margin: var(--space-md) 0 var(--space-xs);
}

p {
  margin: 0 0 var(--space-sm);
}

ul, ol {
  margin: 0 0 var(--space-sm);
  padding-left: 1.4rem;
}

li {
  margin-bottom: 0.4rem;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-sm);
  background: var(--color-navy);
  color: #fff;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  z-index: 1000;
  text-decoration: none;
}

.skip-link:focus {
  top: var(--space-sm);
  outline: 2px solid var(--color-gold);
  outline-offset: 2px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.8), 0 4px 20px rgba(15, 23, 42, 0.04);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
  gap: var(--space-sm);
}

.site-logo {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--color-navy);
  flex-shrink: 0;
}

.site-logo .logo-title {
  color: var(--color-navy);
}

.site-logo:hover {
  color: var(--color-navy);
}

.logo-title {
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.logo-title::after {
  content: "";
  display: block;
  width: 1.75rem;
  height: 2px;
  margin-top: 0.2rem;
  background: linear-gradient(90deg, var(--color-teal), var(--color-green-tint));
  border-radius: 1px;
}

.logo-subtitle {
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  font-weight: 400;
  letter-spacing: 0.03em;
}

.header-cta {
  display: none;
  flex-shrink: 0;
  padding: 0.625rem 1.25rem;
  font-size: 0.8125rem;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0.5rem;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  flex-shrink: 0;
}

.nav-toggle__line {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-navy);
  border-radius: 1px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-toggle:focus-visible {
  outline: 2px solid var(--color-teal);
  outline-offset: 2px;
}

.main-nav {
  display: none;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 0.125rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-nav a {
  display: block;
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  transition: color var(--transition), background var(--transition), box-shadow var(--transition);
}

.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: var(--color-navy);
  background: var(--color-green-muted);
  box-shadow: inset 0 -2px 0 var(--color-green-tint);
}

.nav-cta--mobile {
  display: none;
}

/* Main content */
main {
  min-height: 50vh;
}

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

.container--narrow {
  max-width: var(--max-width-narrow);
}

.section {
  padding: var(--space-xl) 0;
}

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

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

/* Hero */
.hero {
  position: relative;
  padding: var(--space-xl) 0 var(--space-lg);
  background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -20%;
  right: -10%;
  width: 55%;
  height: 80%;
  background: radial-gradient(ellipse at center, rgba(43, 145, 163, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero__badge {
  display: inline-block;
  background: var(--color-green-muted);
  color: var(--color-navy);
  font-size: 0.6875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
}

.hero__lead {
  font-size: 1.2rem;
  color: var(--color-text-muted);
  max-width: 42rem;
  line-height: 1.65;
}

.hero__note {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-top: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-green-muted);
  border: 1px solid var(--color-green-border);
  border-radius: var(--radius-sm);
}

/* Page header (inner pages) */
.page-header {
  padding: var(--space-lg) 0 var(--space-md);
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}

.page-header__intro {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 42rem;
}

.breadcrumb {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.breadcrumb a {
  color: var(--color-text-muted);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--color-navy);
  text-decoration: underline;
}

.breadcrumb span[aria-current] {
  color: var(--color-teal-dark);
}

/* Article content */
.article-content {
  padding: var(--space-lg) 0 var(--space-xl);
}

.article-content > *:first-child {
  margin-top: 0;
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-md);
  margin: var(--space-md) 0;
}

.card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), border-color var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-green-tint);
}

.card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-sm);
  background: var(--color-gold-bg);
  border: 1px solid var(--color-gold-soft);
}

.card__icon--green {
  background: var(--color-green-bg);
  border-color: var(--color-green-tint);
}

/* Component badges — premium CSS labels for diagrams and cards */
.comp-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.5rem;
  height: 2.5rem;
  padding: 0 0.5rem;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-navy);
  background: var(--color-bg-alt);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  line-height: 1;
}

.comp-badge--gold {
  border-color: var(--color-gold);
  background: var(--color-gold-bg);
}

.comp-badge--green {
  border-color: var(--color-green);
  background: var(--color-green-tint);
  color: var(--color-navy);
}

.comp-badge--navy {
  background: var(--color-navy);
  border-color: var(--color-navy);
  color: #fff;
}

.comp-badge--sm {
  min-width: 2rem;
  height: 2rem;
  font-size: 0.625rem;
}

.journey__badge {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-navy);
  background: var(--color-gold-bg);
  border: 2px solid var(--color-gold);
  margin-bottom: var(--space-xs);
}

.card__title {
  font-size: 1.1rem;
  margin: 0 0 var(--space-xs);
}

.card__title a {
  text-decoration: none;
  color: var(--color-navy);
}

.card__title a:hover {
  color: var(--color-green);
}

.card__text {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin: 0;
}

.card__link {
  display: inline-block;
  margin-top: var(--space-sm);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--color-green);
}

.card__link:hover {
  color: var(--color-teal);
}

/* Journey diagram */
.journey {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 0;
  margin: var(--space-lg) 0;
  justify-content: center;
}

.journey__step {
  flex: 1 1 140px;
  max-width: 180px;
  text-align: center;
  position: relative;
  padding: var(--space-sm);
}

.journey__box {
  background: var(--color-bg-alt);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-sm);
  min-height: 120px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: border-color var(--transition);
}

.journey__step:hover .journey__box {
  border-color: var(--color-green);
}

.journey__label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-navy);
  line-height: 1.3;
}

.journey__arrow {
  display: inline-flex;
  align-items: center;
  flex: 0 0 28px;
  padding-top: 2rem;
}

.journey__arrow::before {
  content: "";
  display: block;
  width: 18px;
  height: 2px;
  background: var(--color-gold);
}

.journey__arrow::after {
  content: "";
  width: 0;
  height: 0;
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
  border-left: 6px solid var(--color-gold);
}

/* Flow diagram (vertical) */
.flow-diagram {
  margin: var(--space-lg) 0;
}

.flow-step {
  display: flex;
  gap: var(--space-md);
  margin-bottom: 0;
  position: relative;
}

.flow-step:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 27px;
  top: 56px;
  bottom: -8px;
  width: 2px;
  background: linear-gradient(180deg, var(--color-green-tint) 0%, var(--color-gold-soft) 100%);
}

.flow-step__number {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-teal);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.125rem;
  z-index: 1;
  box-shadow: 0 2px 8px rgba(31, 42, 68, 0.12);
}

.flow-step__content {
  flex: 1;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
}

.flow-step__title {
  margin: 0 0 var(--space-xs);
  font-size: 1.05rem;
}

.flow-step__text {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

/* Comparison boxes */
.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin: var(--space-md) 0;
}

.compare-box {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}

.compare-box--highlight {
  border-color: var(--color-gold);
  background: var(--color-gold-bg);
}

.compare-box h3 {
  margin-top: 0;
}

/* Info callout */
.callout {
  background: var(--color-green-muted);
  border: 1px solid var(--color-green-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin: var(--space-md) 0;
}

.callout--gold {
  background: var(--color-gold-bg);
  border-color: rgba(255, 189, 89, 0.45);
  border-left-color: var(--color-gold);
}

.callout--neutral {
  background: var(--color-bg-warm);
  border-color: var(--color-border);
}

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

/* CTA block */
.cta-block {
  position: relative;
  background-color: #eef2f6;
  background-image: var(--cta-bg-image);
  background-size: cover;
  background-position: center;
  color: var(--color-navy);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin: var(--space-lg) 0;
  text-align: center;
  box-shadow: var(--shadow-md);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.65);
}

.cta-block h2 {
  color: var(--color-navy);
  margin-top: 0;
  font-size: 1.5rem;
  text-shadow:
    0 1px 2px rgba(255, 255, 255, 0.95),
    0 0 18px rgba(255, 255, 255, 0.75);
}

.cta-block p {
  color: var(--color-navy-light);
  max-width: 36rem;
  margin-left: auto;
  margin-right: auto;
  text-shadow:
    0 1px 2px rgba(255, 255, 255, 0.92),
    0 0 14px rgba(255, 255, 255, 0.65);
}

.cta-block .btn {
  margin-top: var(--space-sm);
}

.cta-block .btn--light {
  background: #fff;
  border-color: #fff;
  color: var(--color-teal-dark);
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.12);
  text-shadow: none;
}

.cta-block .btn--light:hover {
  background: var(--color-green-tint);
  border-color: var(--color-green-border);
  color: var(--color-navy);
  box-shadow: 0 4px 16px rgba(171, 222, 153, 0.4);
}

.cta-block__note {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  text-shadow:
    0 1px 2px rgba(255, 255, 255, 0.92),
    0 0 12px rgba(255, 255, 255, 0.6);
}

.cta-block a:not(.btn) {
  color: var(--color-teal-dark);
  font-weight: 600;
  text-shadow: 0 1px 2px rgba(255, 255, 255, 0.9);
}

.cta-block a:not(.btn):hover {
  color: var(--color-teal);
}

.hero__actions {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.hero .btn--secondary {
  background: #fff;
  border-color: #fff;
  color: var(--color-teal-dark);
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.12);
}

.hero .btn--secondary:hover {
  background: var(--color-green-tint);
  border-color: var(--color-green-border);
  color: var(--color-navy);
  box-shadow: 0 4px 16px rgba(171, 222, 153, 0.4);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: var(--radius-sm);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
  line-height: 1.4;
}

.btn:focus-visible {
  outline: 2px solid var(--color-teal);
  outline-offset: 3px;
}

.btn--primary {
  background: var(--color-teal);
  color: #fff;
  border-color: var(--color-teal);
  box-shadow: 0 2px 12px rgba(43, 145, 163, 0.22);
}

.btn--primary:hover {
  background: var(--color-green-tint);
  border-color: var(--color-green-border);
  color: var(--color-navy);
  box-shadow: 0 4px 16px rgba(171, 222, 153, 0.35);
}

.btn--secondary {
  background: var(--color-bg-alt);
  color: var(--color-navy);
  border-color: var(--color-border);
}

.btn--secondary:hover {
  background: var(--color-green-muted);
  color: var(--color-navy);
  border-color: var(--color-green-border);
}

.btn--light {
  background: var(--color-teal);
  color: #fff;
  border-color: var(--color-teal);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.btn--light:hover {
  background: var(--color-green-tint);
  border-color: var(--color-green-tint);
  color: var(--color-navy);
}

.btn--outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
}

.btn--outline-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
  color: #fff;
}

/* Related links */
.related-links {
  background: var(--color-bg-warm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin: var(--space-lg) 0;
}

.related-links h2 {
  font-size: 1.125rem;
  margin-top: 0;
}

.related-links ul {
  margin-bottom: 0;
}

/* Glossary */
.glossary-list {
  margin: var(--space-md) 0;
}

.glossary-item {
  border-bottom: 1px solid var(--color-border-light);
  padding: var(--space-md) 0;
}

.glossary-item:first-child {
  padding-top: 0;
}

.glossary-item dt {
  font-weight: 700;
  color: var(--color-navy);
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
}

.glossary-item dd {
  margin: 0;
  color: var(--color-text-muted);
}

/* FAQ */
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
  overflow: hidden;
}

.faq-item summary {
  padding: var(--space-md);
  font-weight: 600;
  color: var(--color-navy);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.faq-item summary::after {
  content: "+";
  font-size: 1.25rem;
  color: var(--color-teal);
  font-weight: 400;
}

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

.faq-item__answer {
  padding: 0 var(--space-md) var(--space-md);
  color: var(--color-text-muted);
}

/* Footer */
.site-footer {
  background: var(--color-navy);
  color: rgba(255, 255, 255, 0.8);
  padding: var(--space-xl) 0 var(--space-lg);
  margin-top: var(--space-xl);
  border-top: 3px solid var(--color-green-tint);
}

.site-footer a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--color-green-tint);
  text-decoration: underline;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer-col h3 {
  color: #fff;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 0 0 var(--space-sm);
  font-weight: 600;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col li {
  margin-bottom: 0.5rem;
}

.footer-col a {
  font-size: 0.9rem;
}

.footer-disclaimer {
  border-top: 1px solid rgba(171, 222, 153, 0.25);
  padding-top: var(--space-md);
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.6;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-md);
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.5);
}

/* Section titles */
.section-title {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.section-title h2 {
  margin-bottom: var(--space-xs);
}

.section-title p {
  color: var(--color-text-muted);
  max-width: 36rem;
  margin: 0 auto;
}

/* Technical diagrams (CSS-based) */
.diagram-box {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin: var(--space-md) 0;
  overflow-x: auto;
}

.diagram-box__title {
  margin: 0 0 var(--space-md);
  text-align: center;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-navy);
}

.diagram-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs) var(--space-sm);
  margin-bottom: var(--space-sm);
}

.diagram-row:last-child {
  margin-bottom: 0;
}

.diagram-node {
  background: var(--color-bg-warm);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-md);
  text-align: center;
  min-width: 96px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
}

.diagram-node--active {
  border-color: var(--color-gold);
  background: var(--color-gold-bg);
}

.diagram-node--green {
  border-color: var(--color-green);
  background: rgba(171, 222, 153, 0.25);
}

.diagram-arrow {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  width: 28px;
  height: 12px;
  position: relative;
}

.diagram-arrow::after {
  content: "";
  display: block;
  width: calc(100% - 6px);
  height: 2px;
  background: var(--color-gold);
  margin-left: 0;
}

.diagram-arrow::before {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  border-left: 7px solid var(--color-gold);
}

.diagram-arrow--bidirectional {
  width: 36px;
}

.diagram-arrow--bidirectional::before {
  left: 0;
  right: auto;
  border-left: none;
  border-right: 7px solid var(--color-gold);
}

.diagram-arrow--bidirectional::after {
  width: calc(100% - 14px);
  margin: 0 auto;
}

.diagram-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-navy);
  line-height: 1.3;
}

.diagram-sublabel {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  line-height: 1.3;
}

.diagram-flow {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.diagram-flow__row {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  justify-content: center;
  gap: var(--space-xs);
}

.diagram-flow__branch {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding-top: var(--space-sm);
  border-top: 1px dashed var(--color-border);
  margin-top: var(--space-xs);
}

/* Legal pages */
.legal-content h2 {
  font-size: 1.25rem;
  margin-top: var(--space-lg);
}

.legal-content h2:first-of-type {
  margin-top: var(--space-md);
}

/* Contact page */
.contact-options {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin: var(--space-lg) 0;
}

.contact-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  text-align: center;
}

.contact-card h2 {
  margin-top: 0;
}

/* Responsive */
@media (min-width: 960px) {
  .nav-toggle {
    display: none;
  }

  .main-nav {
    display: block;
  }

  .header-cta {
    display: inline-flex;
  }

  .nav-cta--mobile {
    display: none !important;
  }
}

@media (max-width: 959px) {
  .site-header {
    overflow: visible;
  }

  .nav-toggle {
    display: flex;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 50%;
    width: 100vw;
    margin-left: -50vw;
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    padding: var(--space-sm) 0 var(--space-md);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
  }

  .main-nav.is-open {
    display: block;
  }

  .main-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .main-nav li {
    border-bottom: 1px solid var(--color-border-light);
  }

  .main-nav a {
    padding: 0.875rem 1rem;
    border-radius: 0;
    white-space: normal;
  }

  .main-nav a:hover,
  .main-nav a[aria-current="page"] {
    box-shadow: inset 3px 0 0 var(--color-green-tint);
  }

  .nav-cta--mobile {
    display: block;
    border-bottom: none;
    padding: var(--space-sm) 1rem 0;
  }

  .nav-cta--mobile .btn {
    width: 100%;
  }

  .journey__arrow {
    flex: 0 0 100%;
    padding-top: 0;
    height: 16px;
    transform: rotate(90deg);
  }

  .journey {
    gap: var(--space-xs);
  }

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

@media (max-width: 600px) {
  :root {
    --space-xl: 3rem;
    --space-lg: 2rem;
  }

  .hero {
    padding: var(--space-lg) 0;
  }

  .cta-block {
    padding: var(--space-md);
  }

  .diagram-row {
    flex-direction: column;
  }

  .diagram-arrow,
  .diagram-arrow--bidirectional {
    transform: rotate(90deg);
    margin: 0.25rem 0;
  }
}


@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *, *::before, *::after {
    transition-duration: 0.01ms !important;
  }
}