/* ============================================
   RelayBridge — Design System & Styles
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  --color-forest: #1B4332;
  --color-forest-light: #2D6A4F;
  --color-forest-dark: #143325;
  --color-slate: #4A5568;
  --color-slate-light: #718096;
  --color-cream: #FEFAE0;
  --color-cream-dark: #F5F0D0;
  --color-white: #FFFFFF;
  --color-gold: #B07D2E;
  --color-gold-light: #D4A84B;
  --color-gold-dark: #8C6324;
  --color-danger: #C53030;
  --color-success: #2D6A4F;
  --color-bg: #FAFAF5;
  --color-text: #2D3748;
  --color-text-light: #718096;
  --color-border: #E2E8F0;

  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  --max-width: 1140px;
  --max-width-narrow: 800px;
  --radius: 8px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-forest-dark);
  line-height: 1.25;
  font-weight: 700;
}

h1 { font-size: 3rem; margin-bottom: 1rem; }
h2 { font-size: 2.25rem; margin-bottom: 0.75rem; }
h3 { font-size: 1.5rem; margin-bottom: 0.5rem; }
h4 { font-size: 1.25rem; margin-bottom: 0.5rem; }

p {
  margin-bottom: 1rem;
  color: var(--color-slate);
}

ul, ol {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

/* --- Layout --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

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

.section {
  padding: 5rem 0;
}

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

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

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

.section--forest h2,
.section--forest h3,
.section--forest h4 {
  color: var(--color-white);
}

.section--forest p {
  color: var(--color-cream);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3rem;
}

.section-header p {
  font-size: 1.125rem;
}

/* --- Navigation --- */
.nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  padding: 0.75rem 0;
}

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

.nav__logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-forest);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav__logo:hover {
  color: var(--color-forest);
}

.nav__logo svg {
  width: 32px;
  height: 32px;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav__links a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-slate);
  position: relative;
  padding: 0.25rem 0;
}

.nav__links a:hover,
.nav__links a.active {
  color: var(--color-forest);
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-gold);
  transition: width var(--transition);
}

.nav__links a:hover::after,
.nav__links a.active::after {
  width: 100%;
}

.nav__cta {
  display: inline-flex;
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-forest);
  transition: var(--transition);
}

/* --- Hero --- */
.hero {
  background: linear-gradient(135deg, var(--color-forest) 0%, var(--color-forest-light) 100%);
  color: var(--color-white);
  padding: 6rem 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 60%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(255,255,255,0.05) 0%, transparent 70%);
  pointer-events: none;
}

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

.hero h1 {
  color: var(--color-white);
  font-size: 3.25rem;
  max-width: 800px;
}

.hero p {
  color: var(--color-cream);
  font-size: 1.25rem;
  max-width: 650px;
  margin-bottom: 2rem;
  line-height: 1.8;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  text-decoration: none;
}

.btn--primary {
  background: var(--color-gold);
  color: var(--color-white);
  border-color: var(--color-gold);
}

.btn--primary:hover {
  background: var(--color-gold-dark);
  border-color: var(--color-gold-dark);
  color: var(--color-white);
}

.btn--secondary {
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

.btn--secondary:hover {
  background: var(--color-white);
  color: var(--color-forest);
}

.btn--outline {
  background: transparent;
  color: var(--color-forest);
  border-color: var(--color-forest);
}

.btn--outline:hover {
  background: var(--color-forest);
  color: var(--color-white);
}

.btn--lg {
  padding: 1rem 2.5rem;
  font-size: 1.125rem;
}

.btn--sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.875rem;
}

/* --- Cards --- */
.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.card__icon {
  width: 56px;
  height: 56px;
  background: var(--color-cream);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 1.5rem;
  color: var(--color-forest);
}

.card__icon--gold {
  background: rgba(176, 125, 46, 0.12);
  color: var(--color-gold);
}

.card h3 {
  margin-bottom: 0.75rem;
}

.card p {
  font-size: 0.9375rem;
}

/* --- Grid Layouts --- */
.grid {
  display: grid;
  gap: 2rem;
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* --- Transformation Graphic --- */
.transform-graphic {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 3rem 0;
}

.transform-graphic__side {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.transform-graphic__item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--color-white);
  border-radius: var(--radius);
  font-size: 0.9375rem;
  font-weight: 500;
}

.transform-graphic__item i {
  font-size: 1.25rem;
  color: var(--color-forest);
  flex-shrink: 0;
}

.transform-graphic__side--before .transform-graphic__item {
  border: 1px dashed var(--color-slate-light);
  opacity: 0.85;
}

.transform-graphic__side--after .transform-graphic__item {
  border: 2px solid var(--color-forest);
  background: var(--color-cream);
}

.transform-graphic__arrow {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.transform-graphic__arrow-icon {
  width: 64px;
  height: 64px;
  background: var(--color-gold);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: var(--shadow-md);
}

.transform-graphic__arrow span {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-forest);
  font-size: 0.875rem;
}

/* --- Timeline --- */
.timeline {
  position: relative;
  padding: 2rem 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 2rem;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, var(--color-forest), var(--color-gold));
  border-radius: 3px;
}

.timeline__phase {
  position: relative;
  padding-left: 5rem;
  padding-bottom: 3rem;
}

.timeline__phase:last-child {
  padding-bottom: 0;
}

.timeline__marker {
  position: absolute;
  left: 0.625rem;
  top: 0;
  width: 2.75rem;
  height: 2.75rem;
  background: var(--color-forest);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  box-shadow: var(--shadow-sm);
  z-index: 1;
}

.timeline__phase-label {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-gold);
  margin-bottom: 0.25rem;
}

.timeline__phase h3 {
  margin-bottom: 0.5rem;
}

.timeline__phase-content {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
}

.timeline__milestone {
  margin-top: 1.25rem;
  padding: 1rem 1.25rem;
  background: var(--color-cream);
  border-radius: var(--radius);
  border-left: 3px solid var(--color-gold);
}

.timeline__milestone strong {
  color: var(--color-forest);
}

.timeline__cost {
  margin-top: 0.75rem;
  padding: 0.75rem 1.25rem;
  background: rgba(176, 125, 46, 0.08);
  border-radius: var(--radius);
  font-size: 0.9375rem;
}

.timeline__cost strong {
  color: var(--color-gold-dark);
}

/* --- Conversion List --- */
.conversion-list {
  list-style: none;
  padding: 0;
  margin: 0.75rem 0;
}

.conversion-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0;
  font-size: 0.9375rem;
}

.conversion-list li .arrow {
  color: var(--color-gold);
  font-weight: 700;
}

/* --- Format Grid --- */
.format-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.format-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.format-card__icon {
  width: 48px;
  height: 48px;
  background: var(--color-cream);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.format-card h4 {
  margin-bottom: 0.25rem;
  font-size: 1rem;
}

.format-card p {
  font-size: 0.875rem;
  margin-bottom: 0;
}

/* --- Comparison --- */
.comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin: 2rem 0;
}

.comparison__col {
  padding: 2rem;
  border-radius: var(--radius-lg);
}

.comparison__col--before {
  background: var(--color-slate);
  color: var(--color-white);
}

.comparison__col--before h3 {
  color: var(--color-white);
}

.comparison__col--before p {
  color: rgba(255,255,255,0.8);
}

.comparison__col--after {
  background: var(--color-forest);
  color: var(--color-white);
  border: 3px solid var(--color-gold);
}

.comparison__col--after h3 {
  color: var(--color-white);
}

.comparison__col--after p {
  color: var(--color-cream);
}

.comparison__badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.comparison__col--before .comparison__badge {
  background: rgba(255,255,255,0.15);
}

.comparison__col--after .comparison__badge {
  background: var(--color-gold);
  color: var(--color-white);
}

.comparison__number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  margin: 0.5rem 0;
}

/* --- Money Table --- */
.money-table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.money-table th {
  background: var(--color-forest);
  color: var(--color-white);
  padding: 1rem 1.25rem;
  text-align: left;
  font-weight: 600;
  font-size: 0.9375rem;
}

.money-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9375rem;
}

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

.money-table tr:nth-child(even) {
  background: var(--color-cream);
}

.money-table .gain {
  color: var(--color-forest);
  font-weight: 700;
  font-size: 1.125rem;
}

/* --- Pricing Cards --- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  align-items: start;
}

.pricing-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  box-shadow: var(--shadow-sm);
  text-align: center;
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.pricing-card--popular {
  border: 3px solid var(--color-gold);
  transform: scale(1.05);
}

.pricing-card--popular:hover {
  transform: scale(1.05) translateY(-4px);
}

.pricing-card__badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-gold);
  color: var(--color-white);
  padding: 0.35rem 1.25rem;
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pricing-card__name {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--color-forest);
  margin-bottom: 0.25rem;
}

.pricing-card__for {
  font-size: 0.875rem;
  color: var(--color-slate-light);
  font-style: italic;
  margin-bottom: 1.5rem;
}

.pricing-card__price {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-forest-dark);
  margin-bottom: 0.25rem;
}

.pricing-card__price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-slate-light);
}

.pricing-card__meta {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  font-size: 0.875rem;
  color: var(--color-slate-light);
  margin: 1rem 0 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.pricing-card__features {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem;
  text-align: left;
}

.pricing-card__features li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.5rem 0;
  font-size: 0.9375rem;
  color: var(--color-slate);
}

.pricing-card__features li::before {
  content: "\2713";
  color: var(--color-forest);
  font-weight: 700;
  flex-shrink: 0;
}

/* --- Testimonials --- */
.testimonial-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
}

.testimonial-card__quote {
  font-size: 1.0625rem;
  font-style: italic;
  color: var(--color-slate);
  margin-bottom: 1.5rem;
  line-height: 1.8;
  position: relative;
  padding-left: 1.5rem;
  border-left: 3px solid var(--color-gold);
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.testimonial-card__avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-cream);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--color-forest);
  font-size: 1.125rem;
}

.testimonial-card__name {
  font-weight: 600;
  color: var(--color-forest-dark);
}

.testimonial-card__role {
  font-size: 0.8125rem;
  color: var(--color-slate-light);
}

/* --- Stats Strip --- */
.stats-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  text-align: center;
  padding: 3rem 0;
}

.stats-strip__item h3 {
  font-size: 2.5rem;
  color: var(--color-white);
  margin-bottom: 0.25rem;
}

.stats-strip__item p {
  font-size: 1rem;
  color: var(--color-cream);
  margin-bottom: 0;
}

/* --- FAQ Accordion --- */
.faq-group {
  margin-bottom: 2.5rem;
}

.faq-group__title {
  font-size: 1.25rem;
  color: var(--color-forest);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-cream-dark);
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
  overflow: hidden;
}

.faq-item__question {
  width: 100%;
  background: var(--color-white);
  border: none;
  padding: 1.25rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--font-body);
  transition: background var(--transition);
}

.faq-item__question:hover {
  background: var(--color-cream);
}

.faq-item__question::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--color-forest);
  flex-shrink: 0;
  transition: transform var(--transition);
}

.faq-item.active .faq-item__question::after {
  content: '\2212';
}

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}

.faq-item.active .faq-item__answer {
  max-height: 500px;
}

.faq-item__answer-inner {
  padding: 0 1.5rem 1.25rem;
}

.faq-item__answer-inner p {
  font-size: 0.9375rem;
}

/* --- Glossary --- */
.glossary {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.glossary__term {
  padding: 1.5rem;
  background: var(--color-white);
  border-radius: var(--radius);
  border-left: 3px solid var(--color-forest);
}

.glossary__term dt {
  font-weight: 700;
  color: var(--color-forest);
  margin-bottom: 0.25rem;
}

.glossary__term dd {
  font-size: 0.9375rem;
  color: var(--color-slate);
}

/* --- Contact Form --- */
.contact-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 3rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9375rem;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-white);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-forest);
  box-shadow: 0 0 0 3px rgba(27, 67, 50, 0.1);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.contact-sidebar {
  padding: 2rem;
  background: var(--color-cream);
  border-radius: var(--radius-lg);
  align-self: start;
}

.contact-sidebar h3 {
  margin-bottom: 1.5rem;
}

.contact-sidebar__item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.contact-sidebar__item i {
  color: var(--color-forest);
  font-size: 1.25rem;
  margin-top: 0.15rem;
}

/* --- CTA Banner --- */
.cta-banner {
  background: linear-gradient(135deg, var(--color-forest) 0%, var(--color-forest-light) 100%);
  color: var(--color-white);
  text-align: center;
  padding: 4rem 0;
}

.cta-banner h2 {
  color: var(--color-white);
  margin-bottom: 0.75rem;
}

.cta-banner p {
  color: var(--color-cream);
  font-size: 1.125rem;
  margin-bottom: 2rem;
}

/* --- Footer --- */
.footer {
  background: var(--color-forest-dark);
  color: var(--color-cream);
  padding: 4rem 0 2rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer__brand {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--color-white);
  margin-bottom: 1rem;
  display: block;
}

.footer p {
  color: rgba(254, 250, 224, 0.7);
  font-size: 0.9375rem;
}

.footer h4 {
  color: var(--color-white);
  font-size: 1rem;
  margin-bottom: 1rem;
  font-family: var(--font-body);
  font-weight: 600;
}

.footer__links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer__links li {
  margin-bottom: 0.5rem;
}

.footer__links a {
  color: rgba(254, 250, 224, 0.7);
  font-size: 0.9375rem;
}

.footer__links a:hover {
  color: var(--color-gold-light);
}

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 2rem;
  text-align: center;
  font-size: 0.875rem;
  color: rgba(254, 250, 224, 0.5);
}

/* --- Guarantee Strip --- */
.guarantee {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 2rem;
  background: var(--color-cream);
  border-radius: var(--radius-lg);
  margin-top: 3rem;
  text-align: center;
}

.guarantee__icon {
  font-size: 2.5rem;
}

.guarantee h4 {
  margin-bottom: 0.25rem;
}

.guarantee p {
  font-size: 0.9375rem;
  margin-bottom: 0;
}

/* --- Deliverables Checklist --- */
.checklist {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.checklist li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--color-cream);
  border-radius: var(--radius);
  font-weight: 500;
  font-size: 0.9375rem;
}

.checklist li::before {
  content: "\2713";
  color: var(--color-forest);
  font-weight: 700;
  font-size: 1.125rem;
}

/* --- Use Case Cards --- */
.use-case {
  padding: 2.5rem;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: 2rem;
}

.use-case__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--color-forest);
  color: var(--color-white);
  border-radius: 50%;
  font-weight: 700;
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.use-case h3 {
  margin-bottom: 1rem;
}

.use-case__quote {
  padding: 1rem 1.5rem;
  background: var(--color-cream);
  border-radius: var(--radius);
  border-left: 3px solid var(--color-gold);
  font-style: italic;
  margin-top: 1.25rem;
  font-size: 0.9375rem;
}

/* --- Item Explainer --- */
.item-explainer {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin: 2rem 0;
}

.item-explainer__item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--color-cream);
  border-radius: var(--radius);
  font-size: 0.9375rem;
}

.item-explainer__item strong {
  color: var(--color-forest);
}

/* --- Buyer Options --- */
.buyer-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin: 2rem 0;
}

.buyer-option {
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.buyer-option h3 {
  margin-bottom: 1rem;
}

.buyer-option__label {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--color-cream);
  color: var(--color-forest);
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

/* --- Mobile Nav --- */
.nav__mobile-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 1.5rem;
  box-shadow: var(--shadow-md);
}

.nav__mobile-menu.active {
  display: block;
}

.nav__mobile-menu a {
  display: block;
  padding: 0.75rem 0;
  color: var(--color-slate);
  font-weight: 500;
  border-bottom: 1px solid var(--color-border);
}

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

/* --- Responsive --- */
@media (max-width: 1024px) {
  .grid--3, .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .format-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-card--popular { transform: scale(1); }
  .pricing-card--popular:hover { transform: translateY(-4px); }
}

@media (max-width: 768px) {
  h1 { font-size: 2.25rem; }
  h2 { font-size: 1.75rem; }
  .hero { padding: 4rem 0; }
  .hero h1 { font-size: 2.25rem; }
  .hero p { font-size: 1.0625rem; }
  .section { padding: 3.5rem 0; }

  .nav__links, .nav__cta { display: none; }
  .nav__hamburger { display: flex; }

  .grid--2, .grid--3, .grid--4,
  .pricing-grid,
  .comparison,
  .buyer-options,
  .glossary,
  .item-explainer,
  .checklist { grid-template-columns: 1fr; }

  .format-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: 2rem; }
  .stats-strip { grid-template-columns: 1fr; gap: 1.5rem; }

  .transform-graphic {
    flex-direction: column;
  }

  .transform-graphic__side {
    grid-template-columns: 1fr;
  }

  .transform-graphic__arrow {
    transform: rotate(90deg);
  }

  .timeline::before {
    left: 1.25rem;
  }

  .timeline__marker {
    width: 2.25rem;
    height: 2.25rem;
    left: 0.15rem;
    font-size: 0.875rem;
  }

  .timeline__phase {
    padding-left: 3.5rem;
  }
}

@media (max-width: 480px) {
  h1 { font-size: 1.875rem; }
  .hero { padding: 3rem 0; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; }
  .section { padding: 2.5rem 0; }
  .card { padding: 1.5rem; }
  .pricing-card { padding: 2rem 1.5rem; }
}

/* --- Utility --- */
.text-center { text-align: center; }
.text-gold { color: var(--color-gold); }
.text-forest { color: var(--color-forest); }
.text-sm { font-size: 0.875rem; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }