/* ============================================
   TRATOREX LP DESIGN SYSTEM — v1.0.0
   Shared CSS for all Tratorex landing pages
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  /* Colors — Primary */
  --tx-green: #2D6A2E;
  --tx-green-dark: #1B4F1C;
  --tx-green-light: #4A8C4B;
  --tx-yellow: #F5A623;
  --tx-yellow-dark: #D4891A;

  /* Colors — Support */
  --tx-earth: #5C3D2E;
  --tx-earth-light: #8B6F47;
  --tx-sky: #1A73E8;
  --tx-red: #D32F2F;

  /* Colors — Neutrals */
  --tx-dark: #1A1A1A;
  --tx-gray-800: #2D2D2D;
  --tx-gray-600: #555555;
  --tx-gray-400: #9E9E9E;
  --tx-gray-200: #E0E0E0;
  --tx-gray-100: #F5F5F5;
  --tx-white: #FFFFFF;

  /* Gradients */
  --tx-gradient-hero: linear-gradient(135deg, #1B4F1C 0%, #2D6A2E 50%, #4A8C4B 100%);
  --tx-gradient-dark: linear-gradient(180deg, #1A1A1A 0%, #2D2D2D 100%);
  --tx-gradient-earth: linear-gradient(135deg, #5C3D2E 0%, #8B6F47 100%);
  --tx-gradient-cta: linear-gradient(135deg, #2D6A2E 0%, #1B4F1C 100%);

  /* Typography */
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'Space Mono', monospace;

  /* Spacing */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 20px;
  --sp-6: 24px;
  --sp-8: 32px;
  --sp-10: 40px;
  --sp-12: 48px;
  --sp-16: 64px;
  --sp-20: 80px;
  --sp-24: 96px;

  /* Borders */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-lg: 0 4px 16px rgba(0,0,0,0.1);
  --shadow-xl: 0 8px 30px rgba(0,0,0,0.12);
}

/* --- 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-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--tx-dark);
  background: var(--tx-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--tx-green);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover { color: var(--tx-green-dark); }

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--tx-dark);
  line-height: 1.2;
}

h1 {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.15;
}

h2 {
  font-size: 26px;
  font-weight: 700;
  line-height: 1.25;
}

h3 {
  font-size: 22px;
  font-weight: 600;
  line-height: 1.3;
}

h4 {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.35;
}

.text-body { font-size: 16px; line-height: 1.6; }
.text-body-sm { font-size: 14px; line-height: 1.55; }
.text-caption { font-size: 12px; line-height: 1.5; }

.text-metric {
  font-family: var(--font-heading);
  font-size: 40px;
  font-weight: 700;
  line-height: 1;
}

.text-mono {
  font-family: var(--font-mono);
}

@media (min-width: 768px) {
  h1 { font-size: 48px; line-height: 1.1; }
  h2 { font-size: 36px; line-height: 1.2; }
  h3 { font-size: 28px; line-height: 1.3; }
  h4 { font-size: 22px; line-height: 1.3; }
  .text-body { font-size: 17px; line-height: 1.65; }
  .text-body-sm { font-size: 15px; line-height: 1.6; }
  .text-caption { font-size: 13px; line-height: 1.5; }
  .text-metric { font-size: 56px; }
}

/* --- Layout --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--sp-6);
}

@media (min-width: 768px) {
  .container { padding: 0 var(--sp-8); }
}

.section {
  padding: var(--sp-12) 0;
}

@media (min-width: 768px) {
  .section { padding: var(--sp-20) 0; }
}

.section--gray { background: var(--tx-gray-100); }
.section--dark { background: var(--tx-gradient-dark); color: var(--tx-white); }
.section--dark h2,
.section--dark h3,
.section--dark h4 { color: var(--tx-white); }
.section--green { background: var(--tx-gradient-hero); color: var(--tx-white); }
.section--green h2,
.section--green h3 { color: var(--tx-white); }

.section__header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--sp-10);
}

.section__header p {
  margin-top: var(--sp-4);
  color: var(--tx-gray-600);
}

.section--dark .section__header p,
.section--green .section__header p {
  color: rgba(255,255,255,0.8);
}

/* --- Grid --- */
.grid {
  display: grid;
  gap: var(--sp-6);
}

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

@media (min-width: 768px) {
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-3);
  font-family: var(--font-heading);
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  border: none;
  line-height: 1;
}

.btn-cta {
  background: var(--tx-gradient-cta);
  color: var(--tx-white);
  font-size: 18px;
  padding: 16px 32px;
  box-shadow: 0 4px 14px rgba(45, 106, 46, 0.4);
}

.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(45, 106, 46, 0.5);
  color: var(--tx-white);
}

.btn-secondary {
  background: transparent;
  color: var(--tx-green);
  font-size: 16px;
  padding: 14px 28px;
  border: 2px solid var(--tx-green);
}

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

.btn--white {
  background: var(--tx-white);
  color: var(--tx-green-dark);
  font-size: 16px;
  padding: 14px 28px;
}

.btn--white:hover {
  background: var(--tx-gray-100);
  color: var(--tx-green-dark);
}

.btn--outline-white {
  background: transparent;
  color: var(--tx-white);
  font-size: 16px;
  padding: 14px 28px;
  border: 2px solid rgba(255,255,255,0.5);
}

.btn--outline-white:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--tx-white);
  color: var(--tx-white);
}

.btn-cta svg,
.btn svg {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
}

/* --- WhatsApp Icon SVG (inline reusable) --- */
.icon-whatsapp {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

/* --- Hero Section --- */
.hero {
  position: relative;
  background: var(--tx-gradient-hero);
  color: var(--tx-white);
  padding: var(--sp-16) 0 var(--sp-12);
  overflow: hidden;
  min-height: 520px;
  display: flex;
  align-items: center;
}

@media (min-width: 768px) {
  .hero { padding: var(--sp-24) 0 var(--sp-20); min-height: 600px; }
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: rgba(27, 79, 28, 0.75);
  z-index: 1;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  object-fit: cover;
  width: 100%;
  height: 100%;
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero h1 {
  color: var(--tx-white);
  max-width: 640px;
}

.hero__sub {
  font-size: 17px;
  line-height: 1.6;
  color: rgba(255,255,255,0.85);
  max-width: 540px;
  margin: var(--sp-5) 0 var(--sp-8);
}

@media (min-width: 768px) {
  .hero__sub { font-size: 19px; }
}

.hero__proofs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4) var(--sp-6);
  margin-top: var(--sp-6);
  font-size: 14px;
  color: rgba(255,255,255,0.9);
}

.hero__proofs span {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
}

/* --- Proof Bar --- */
.proof-bar {
  background: var(--tx-white);
  box-shadow: var(--shadow-xl);
  padding: var(--sp-6) 0;
  position: relative;
  z-index: 10;
}

.proof-bar__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-6);
  text-align: center;
}

@media (min-width: 768px) {
  .proof-bar__grid { grid-template-columns: repeat(4, 1fr); }
}

.proof-bar__item strong {
  display: block;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 32px;
  color: var(--tx-green);
  line-height: 1;
}

@media (min-width: 768px) {
  .proof-bar__item strong { font-size: 40px; }
}

.proof-bar__item span {
  display: block;
  font-size: 13px;
  color: var(--tx-gray-600);
  margin-top: var(--sp-1);
  font-weight: 500;
}

/* --- Cards --- */
.card {
  background: var(--tx-white);
  border: 1px solid var(--tx-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--sp-8);
  box-shadow: var(--shadow-md);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.card__icon {
  font-size: 40px;
  margin-bottom: var(--sp-4);
  line-height: 1;
}

.card__title {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 18px;
  margin-bottom: var(--sp-2);
  color: var(--tx-dark);
}

@media (min-width: 768px) {
  .card__title { font-size: 20px; }
}

.card__text {
  font-size: 15px;
  line-height: 1.6;
  color: var(--tx-gray-600);
}

/* --- Testimonial Card --- */
.testimonial {
  background: var(--tx-gray-100);
  border-left: 4px solid var(--tx-green);
  border-radius: var(--radius-md);
  padding: var(--sp-6);
}

.testimonial__stars {
  color: var(--tx-yellow);
  font-size: 18px;
  letter-spacing: 2px;
  margin-bottom: var(--sp-3);
}

.testimonial__quote {
  font-style: italic;
  font-size: 16px;
  line-height: 1.65;
  color: var(--tx-dark);
  margin-bottom: var(--sp-4);
}

.testimonial__author {
  font-weight: 600;
  font-size: 14px;
  color: var(--tx-dark);
}

.testimonial__meta {
  font-size: 13px;
  color: var(--tx-gray-600);
}

/* --- Impact Card (red/warning) --- */
.impact-card {
  background: #FFF5F5;
  border: 1px solid #FECACA;
  border-left: 4px solid var(--tx-red);
  border-radius: var(--radius-md);
  padding: var(--sp-6);
}

.impact-card--green {
  background: #F0FFF4;
  border-color: #C6F6D5;
  border-left-color: var(--tx-green);
}

.impact-card p {
  font-size: 16px;
  line-height: 1.6;
}

.impact-card strong {
  font-weight: 700;
}

/* --- Steps (Como Funciona) --- */
.steps {
  display: grid;
  gap: var(--sp-8);
  counter-reset: step;
}

@media (min-width: 768px) {
  .steps { grid-template-columns: repeat(3, 1fr); gap: var(--sp-10); }
}

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

.step__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: var(--tx-green);
  color: var(--tx-white);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 24px;
  border-radius: 50%;
  margin-bottom: var(--sp-4);
}

.section--dark .step__number {
  background: var(--tx-white);
  color: var(--tx-green-dark);
}

.step__title {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 18px;
  margin-bottom: var(--sp-2);
}

.step__text {
  font-size: 15px;
  color: var(--tx-gray-600);
  line-height: 1.6;
}

.section--dark .step__text {
  color: rgba(255,255,255,0.75);
}

/* --- Product Cards --- */
.product-card {
  background: var(--tx-white);
  border: 1px solid var(--tx-gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow 0.2s ease;
}

.product-card:hover { box-shadow: var(--shadow-lg); }

.product-card__img {
  width: 100%;
  height: 180px;
  background: var(--tx-gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
}

.product-card__body {
  padding: var(--sp-5);
}

.product-card__name {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 17px;
  margin-bottom: var(--sp-1);
}

.product-card__desc {
  font-size: 14px;
  color: var(--tx-gray-600);
  line-height: 1.5;
  margin-bottom: var(--sp-3);
}

.product-card__stock {
  font-size: 13px;
  font-weight: 600;
  color: var(--tx-green);
}

/* --- Guarantee Cards --- */
.guarantee {
  display: flex;
  gap: var(--sp-4);
  align-items: flex-start;
}

.guarantee__icon {
  font-size: 32px;
  flex-shrink: 0;
}

.guarantee__title {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 17px;
  margin-bottom: var(--sp-1);
}

.guarantee__text {
  font-size: 15px;
  color: var(--tx-gray-600);
  line-height: 1.6;
}

/* --- FAQ Accordion --- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--tx-gray-200);
}

.faq-item:first-child {
  border-top: 1px solid var(--tx-gray-200);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--sp-5) 0;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 16px;
  color: var(--tx-dark);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  gap: var(--sp-4);
}

.faq-question:hover { color: var(--tx-green); }

.faq-question::after {
  content: '+';
  font-size: 24px;
  font-weight: 300;
  color: var(--tx-gray-400);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.faq-item.active .faq-question::after {
  content: '−';
  color: var(--tx-green);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
  max-height: 400px;
}

.faq-answer__inner {
  padding: 0 0 var(--sp-5);
  font-size: 15px;
  line-height: 1.65;
  color: var(--tx-gray-600);
}

/* --- Lead Capture Form --- */
.form-section {
  padding: var(--sp-12) 0;
}

@media (min-width: 768px) {
  .form-section { padding: var(--sp-20) 0; }
}

.form-card {
  max-width: 560px;
  margin: 0 auto;
  background: var(--tx-white);
  border: 1px solid var(--tx-gray-200);
  border-radius: var(--radius-xl);
  padding: var(--sp-8) var(--sp-5);
  box-shadow: var(--shadow-xl);
}

@media (min-width: 768px) {
  .form-card { padding: var(--sp-10) var(--sp-8); }
}

.form-card__header {
  text-align: center;
  margin-bottom: var(--sp-8);
}

.form-card__header h2 {
  font-size: 26px;
  margin-bottom: var(--sp-3);
}

@media (min-width: 768px) {
  .form-card__header h2 { font-size: 32px; }
}

.form-card__header p {
  font-size: 15px;
  color: var(--tx-gray-600);
  line-height: 1.6;
}

.form-group {
  margin-bottom: var(--sp-4);
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--tx-gray-800);
  margin-bottom: 6px;
}

.form-field {
  width: 100%;
  font-family: var(--font-body);
  font-size: 16px;
  padding: 14px 16px;
  border: 1px solid var(--tx-gray-200);
  border-radius: var(--radius-md);
  background: var(--tx-white);
  color: var(--tx-dark);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  -webkit-appearance: none;
  appearance: none;
}

.form-field:focus {
  outline: none;
  border-color: var(--tx-green);
  box-shadow: 0 0 0 3px rgba(45, 106, 46, 0.15);
}

.form-field::placeholder {
  color: var(--tx-gray-400);
}

select.form-field {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1.5l5 5 5-5' stroke='%239E9E9E' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
  cursor: pointer;
}

.btn-form {
  width: 100%;
  margin-top: var(--sp-4);
}

.form-disclaimer {
  text-align: center;
  font-size: 13px;
  color: var(--tx-gray-400);
  margin-top: var(--sp-4);
  line-height: 1.5;
}

.form-success {
  text-align: center;
  padding: var(--sp-8) var(--sp-4);
}

.form-success__icon {
  font-size: 48px;
  margin-bottom: var(--sp-4);
}

.form-success h3 {
  color: var(--tx-green);
  margin-bottom: var(--sp-2);
}

.form-success p {
  color: var(--tx-gray-600);
  font-size: 15px;
}

/* --- CTA Final Section --- */
.cta-final {
  text-align: center;
}

.cta-final h2 {
  max-width: 600px;
  margin: 0 auto var(--sp-4);
}

.cta-final p {
  max-width: 500px;
  margin: 0 auto var(--sp-8);
  color: rgba(255,255,255,0.85);
  font-size: 17px;
}

.cta-final .btn-group {
  justify-content: center;
}

.cta-final__meta {
  margin-top: var(--sp-6);
  font-size: 13px;
  color: rgba(255,255,255,0.6);
}

/* --- Badge --- */
.badge {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 13px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  display: inline-block;
}

.badge--urgency { background: #FFF3CD; color: #856404; }
.badge--trust { background: #D4EDDA; color: #155724; }
.badge--speed { background: #CCE5FF; color: #004085; }
.badge--persona { background: #E8E0F0; color: #4A235A; }
.badge--green { background: rgba(45,106,46,0.15); color: var(--tx-green-dark); }

.hero .badge {
  background: rgba(255,255,255,0.15);
  color: var(--tx-white);
  backdrop-filter: blur(4px);
}

/* --- Problem List --- */
.problem-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  margin: var(--sp-6) 0;
}

.problem-list li {
  font-size: 16px;
  line-height: 1.6;
  padding-left: 28px;
  position: relative;
}

.problem-list li::before {
  content: '✕';
  position: absolute;
  left: 0;
  color: var(--tx-red);
  font-weight: 700;
}

/* --- Differentiator Box --- */
.diff-box {
  background: #F0FFF4;
  border: 2px solid var(--tx-green-light);
  border-radius: var(--radius-lg);
  padding: var(--sp-8);
  margin-top: var(--sp-8);
}

.section--dark .diff-box {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.2);
}

.diff-box__label {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 15px;
  color: var(--tx-green);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--sp-3);
}

.section--dark .diff-box__label {
  color: var(--tx-green-light);
}

.diff-box p {
  font-size: 16px;
  line-height: 1.65;
}

/* --- Comparison Table --- */
.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  margin: var(--sp-6) 0;
}

.compare-table th {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: var(--sp-3) var(--sp-4);
  border-bottom: 2px solid var(--tx-gray-200);
  text-align: left;
}

.compare-table td {
  padding: var(--sp-3) var(--sp-4);
  border-bottom: 1px solid var(--tx-gray-200);
}

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

/* --- Footer --- */
.footer {
  background: var(--tx-dark);
  color: rgba(255,255,255,0.7);
  padding: var(--sp-12) 0 var(--sp-8);
  font-size: 14px;
}

.footer strong {
  color: var(--tx-white);
  font-family: var(--font-heading);
  font-size: 16px;
  display: block;
  margin-bottom: var(--sp-4);
}

.footer a {
  color: rgba(255,255,255,0.7);
}

.footer a:hover { color: var(--tx-white); }

.footer__grid {
  display: grid;
  gap: var(--sp-8);
}

@media (min-width: 768px) {
  .footer__grid { grid-template-columns: 2fr 1fr 1fr; }
}

.footer__bottom {
  margin-top: var(--sp-8);
  padding-top: var(--sp-6);
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}

/* --- Mobile Fixed CTA Bar --- */
.cta-mobile {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--tx-white);
  padding: var(--sp-3) var(--sp-4);
  box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
  z-index: 100;
  display: flex;
  gap: var(--sp-3);
}

.cta-mobile .btn-cta {
  flex: 7;
  font-size: 15px;
  padding: 14px 16px;
  justify-content: center;
}

.cta-mobile .btn-phone {
  flex: 3;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--tx-gray-100);
  border-radius: var(--radius-md);
  color: var(--tx-dark);
  font-size: 20px;
  text-decoration: none;
}

@media (min-width: 768px) {
  .cta-mobile { display: none; }
}

/* --- Scroll Fade-in --- */
.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Utility --- */
.text-center { text-align: center; }
.text-green { color: var(--tx-green); }
.text-red { color: var(--tx-red); }
.text-white { color: var(--tx-white); }
.text-gray { color: var(--tx-gray-600); }
.mt-2 { margin-top: var(--sp-2); }
.mt-4 { margin-top: var(--sp-4); }
.mt-6 { margin-top: var(--sp-6); }
.mt-8 { margin-top: var(--sp-8); }
.mb-4 { margin-bottom: var(--sp-4); }
.mb-6 { margin-bottom: var(--sp-6); }
.mx-auto { margin-left: auto; margin-right: auto; }
.max-w-prose { max-width: 720px; }

/* Mobile body padding for fixed CTA bar */
@media (max-width: 767px) {
  body { padding-bottom: 72px; }
}