﻿/* SALOREX — Premium Global Trade Platform */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Syne:wght@600;700;800&display=swap');

:root {
  --emerald: #059669;
  --emerald-dark: #047857;
  --emerald-light: #10b981;
  --charcoal: #111827;
  --brand-ink: #0a0f1a;
  --charcoal-light: #1f2937;
  --muted: #6b7280;
  --surface: #f9fafb;
  --border: #e5e7eb;
  --white: #ffffff;
  --max-w: 80rem;
  --radius: 0.75rem;
  --radius-lg: 1rem;
  --shadow: 0 12px 40px -12px rgba(5, 150, 105, 0.15);
  --logo-header: 3.5rem;
  --logo-header-lg: 4.5rem;
  --logo-hero: 8rem;
  --logo-hero-lg: 10rem;
  --logo-footer: 4rem;
  --logo-footer-lg: 4.5rem;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 100;
  padding: 0.75rem 1.25rem;
  background: var(--emerald);
  color: var(--white);
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: var(--radius);
  text-decoration: none;
}

.skip-link:focus {
  top: 1rem;
  outline: 2px solid var(--white);
  outline-offset: 2px;
}

:focus-visible {
  outline: 2px solid var(--emerald);
  outline-offset: 2px;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--charcoal);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

::selection { background: rgba(5, 150, 105, 0.2); }

img, svg { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 640px) { .container { padding: 0 1.5rem; } }
@media (min-width: 1024px) { .container { padding: 0 2rem; } }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(229, 231, 235, 0.6);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.875rem 0;
  gap: 1.25rem;
}

@media (min-width: 1024px) {
  .header-inner { padding: 1rem 0; }
}

.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  padding: 0.125rem 0;
  transition: opacity 0.3s ease;
}

.logo img,
.logo svg {
  height: var(--logo-header);
  width: auto;
  max-width: 220px;
  object-fit: contain;
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.35s ease, filter 0.35s ease;
  animation: logoEntrance 0.9s ease-out both;
}

@media (min-width: 768px) {
  .logo img,
  .logo svg {
    height: 3.5rem;
    max-width: 260px;
  }
}

@media (min-width: 1024px) {
  .logo img,
  .logo svg {
    height: var(--logo-header-lg);
    max-width: 300px;
  }
}

.logo:hover img,
.logo:hover svg {
  transform: scale(1.04);
  opacity: 0.94;
}

.logo--mark img,
.logo--mark svg {
  height: 2.5rem;
  max-width: 2.5rem;
}

@keyframes logoEntrance {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

.site-header.scrolled {
  box-shadow: 0 4px 24px -4px rgba(0, 0, 0, 0.08);
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: 2rem;
}

@media (min-width: 1024px) { .nav-desktop { display: flex; } }

.nav-desktop a {
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-desktop a:hover, .nav-desktop a.active { color: var(--emerald); }

.header-cta { display: none; }
@media (min-width: 1024px) { .header-cta { display: block; } }

.menu-toggle {
  display: flex;
  padding: 0.5rem;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--charcoal);
}

@media (min-width: 1024px) { .menu-toggle { display: none; } }

.nav-mobile .logo-mobile {
  display: flex;
  justify-content: center;
  padding: 0.5rem 0 1rem;
  margin-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.nav-mobile .logo-mobile img,
.nav-mobile .logo-mobile svg {
  height: 3rem;
  width: auto;
  max-width: 240px;
}

.nav-mobile {
  display: none;
  border-top: 1px solid var(--border);
  padding: 1rem 0;
}

.nav-mobile.open { display: block; }

.nav-mobile a {
  display: block;
  padding: 0.625rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 0.5rem;
}

.nav-mobile a:hover { background: var(--surface); color: var(--emerald); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

.btn-primary {
  background: var(--emerald);
  color: var(--white);
  box-shadow: 0 1px 3px rgba(5, 150, 105, 0.2);
}

.btn-primary:hover { background: var(--emerald-dark); }

.btn-secondary {
  background: var(--charcoal);
  color: var(--white);
}

.btn-secondary:hover { background: var(--charcoal-light); }

.btn-outline {
  background: transparent;
  border-color: var(--emerald);
  color: var(--emerald);
}

.btn-outline:hover { background: var(--emerald); color: var(--white); }

.btn-outline-light {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.3);
  color: var(--white);
}

.btn-outline-light:hover { background: var(--white); color: var(--charcoal); }

.btn-ghost {
  background: transparent;
  color: var(--charcoal);
}

.btn-ghost:hover { background: var(--surface); color: var(--emerald); }

.btn-lg { padding: 1rem 2rem; font-size: 1rem; }
.btn-sm { padding: 0.5rem 1rem; font-size: 0.875rem; }
.btn-block { width: 100%; }

/* Page hero */
.page-hero {
  position: relative;
  overflow: hidden;
  background: var(--charcoal);
  padding: 5rem 0;
}

@media (min-width: 640px) { .page-hero { padding: 7rem 0; } }

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at top right, rgba(5, 150, 105, 0.2) 0%, transparent 55%),
    linear-gradient(180deg, rgba(10, 15, 26, 0.55) 0%, rgba(17, 24, 39, 0.92) 100%);
  z-index: 1;
}

.page-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('https://images.unsplash.com/photo-1494412575327-aa7d06395133?auto=format&fit=crop&w=1920&q=75');
  background-size: cover;
  background-position: center;
  opacity: 0.18;
  z-index: 0;
}

.page-hero .container { position: relative; z-index: 2; }

.footer-legal-entity {
  margin-top: 0.5rem;
  font-size: 0.75rem;
  color: #6b7280;
}

.eyebrow {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--emerald-light);
  margin-bottom: 1rem;
}

.page-hero h1 {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.1;
  max-width: 56rem;
}

.page-hero p {
  margin-top: 1.5rem;
  font-size: 1.125rem;
  color: #d1d5db;
  max-width: 42rem;
  line-height: 1.7;
}

/* Sections */
.section { padding: 5rem 0; }
.section-surface { background: var(--surface); }
.section-dark { background: var(--charcoal); color: var(--white); }

.section-heading {
  max-width: 48rem;
  margin: 0 auto 4rem;
  text-align: center;
}

.section-heading.left { text-align: left; margin-left: 0; margin-right: 0; }

.section-heading h2 {
  font-size: clamp(1.875rem, 4vw, 2.25rem);
  font-weight: 700;
  line-height: 1.2;
}

.section-heading p {
  margin-top: 1rem;
  font-size: 1.125rem;
  color: var(--muted);
  line-height: 1.7;
}

.section-dark .section-heading p { color: #9ca3af; }
.section-dark .section-heading h2 { color: var(--white); }

.text-gradient {
  background: linear-gradient(135deg, #059669 0%, #10b981 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Cards */
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.card-dark {
  background: var(--charcoal-light);
  border-color: #374151;
}

.card-dark:hover { border-color: rgba(5, 150, 105, 0.4); }

.grid-2 { display: grid; gap: 2rem; }
.grid-3 { display: grid; gap: 2rem; }
.grid-4 { display: grid; gap: 2rem; }

@media (min-width: 640px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* Home hero */
.home-hero {
  position: relative;
  overflow: hidden;
  background: var(--charcoal);
  padding: 5rem 0 6rem;
}

@media (min-width: 1024px) { .home-hero { padding: 7rem 0 10rem; } }

.hero-bg-image {
  position: absolute;
  inset: 0;
  background-image: url('https://images.unsplash.com/photo-1494412575327-aa7d06395133?auto=format&fit=crop&w=1920&q=80');
  background-size: cover;
  background-position: center;
  opacity: 0.18;
  animation: heroBgFade 1.2s ease-out both;
}

@keyframes heroBgFade {
  from { opacity: 0; }
  to { opacity: 0.18; }
}

.home-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(17, 24, 39, 0.92) 0%, rgba(17, 24, 39, 0.75) 50%, rgba(5, 150, 105, 0.15) 100%);
  z-index: 1;
}

.home-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top right, rgba(5, 150, 105, 0.25) 0%, transparent 55%);
  z-index: 1;
}

.home-hero .container { position: relative; z-index: 2; }

.hero-brand-logo {
  margin-bottom: 2.25rem;
  animation: logoEntrance 1.1s ease-out 0.1s both;
}

.hero-brand-logo img,
.hero-brand-logo svg {
  height: var(--logo-hero);
  width: auto;
  max-width: min(92vw, 420px);
  object-fit: contain;
  filter: drop-shadow(0 8px 32px rgba(5, 150, 105, 0.18));
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1), filter 0.5s ease;
}

.hero-brand-logo:hover img,
.hero-brand-logo:hover svg {
  transform: scale(1.02);
  filter: drop-shadow(0 12px 40px rgba(16, 185, 129, 0.28));
}

@media (min-width: 640px) {
  .hero-brand-logo img,
  .hero-brand-logo svg {
    height: 8.5rem;
    max-width: 480px;
  }
}

@media (min-width: 1024px) {
  .hero-brand-logo img,
  .hero-brand-logo svg {
    height: var(--logo-hero-lg);
    max-width: 520px;
  }
}

.section-heading h2,
.home-hero h1,
.page-hero h1 {
  font-family: 'Syne', 'Inter', system-ui, sans-serif;
  letter-spacing: -0.02em;
}

/* Trade showcase */
.trade-showcase {
  display: grid;
  gap: 1.5rem;
  margin-top: 4rem;
}

@media (min-width: 768px) {
  .trade-showcase { grid-template-columns: repeat(3, 1fr); }
}

.trade-showcase-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  border: 1px solid var(--border);
}

.trade-showcase-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.trade-showcase-item:hover img {
  transform: scale(1.05);
}

.trade-showcase-item .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(17, 24, 39, 0.85) 0%, transparent 60%);
  display: flex;
  align-items: flex-end;
  padding: 1.25rem;
}

.trade-showcase-item .overlay span {
  color: var(--white);
  font-size: 0.875rem;
  font-weight: 600;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 1rem;
  border-radius: 9999px;
  border: 1px solid rgba(5, 150, 105, 0.3);
  background: rgba(5, 150, 105, 0.1);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--emerald-light);
  margin-bottom: 1.5rem;
}

.badge-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--emerald-light);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.home-hero h1 {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.1;
  max-width: 56rem;
}

.home-hero .lead {
  margin-top: 1.5rem;
  font-size: clamp(1.125rem, 2vw, 1.25rem);
  color: #d1d5db;
  max-width: 42rem;
  line-height: 1.7;
}

.hero-actions {
  margin-top: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

@media (min-width: 640px) {
  .hero-actions { flex-direction: row; }
}

.stats-grid {
  margin-top: 4rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

@media (min-width: 640px) { .stats-grid { grid-template-columns: repeat(4, 1fr); } }

.stat-card {
  padding: 1.25rem;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(4px);
}

.stat-card .value {
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--emerald-light);
}

.stat-card .label {
  margin-top: 0.25rem;
  font-size: 0.875rem;
  color: #9ca3af;
}

/* Steps */
.step-num {
  font-size: 3rem;
  font-weight: 700;
  color: rgba(5, 150, 105, 0.15);
  line-height: 1;
}

.step h3 {
  margin-top: 0.5rem;
  font-size: 1.125rem;
  font-weight: 600;
}

.step p {
  margin-top: 0.5rem;
  font-size: 0.875rem;
  color: var(--muted);
}

/* Service icon */
.icon-box {
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  background: rgba(5, 150, 105, 0.1);
  color: var(--emerald);
}

.icon-box svg { width: 1.5rem; height: 1.5rem; }

/* Lists */
.check-list { list-style: none; }
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.875rem;
  margin-bottom: 0.75rem;
}

.check-list li::before {
  content: '✓';
  color: var(--emerald);
  font-weight: 700;
  flex-shrink: 0;
}

.dot-list { list-style: none; }
.dot-list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.dot-list li::before {
  content: '';
  width: 0.375rem;
  height: 0.375rem;
  border-radius: 50%;
  background: var(--emerald);
  flex-shrink: 0;
}

/* CTA band */
.cta-band {
  border-radius: 1.5rem;
  background: linear-gradient(135deg, #059669 0%, #047857 100%);
  padding: 2.5rem;
}

@media (min-width: 640px) { .cta-band { padding: 4rem; } }

.cta-band h2 {
  font-size: clamp(1.875rem, 4vw, 2.25rem);
  font-weight: 700;
  color: var(--white);
}

.cta-band p {
  margin-top: 1rem;
  font-size: 1.125rem;
  color: #d1fae5;
  line-height: 1.7;
}

.cta-actions {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn-white {
  background: var(--white);
  color: var(--emerald);
}

.btn-white:hover { background: #f3f4f6; }

/* Membership */
.tier-card {
  position: relative;
  padding: 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--white);
}

.tier-card.featured {
  border-color: var(--emerald);
  box-shadow: 0 20px 40px -12px rgba(5, 150, 105, 0.15);
  ring: 1px solid var(--emerald);
}

.tier-badge {
  position: absolute;
  top: -0.875rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--emerald);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 1rem;
  border-radius: 9999px;
}

/* Forms */
.form-group { margin-bottom: 1.25rem; }

.form-group label {
  display: block;
  margin-bottom: 0.375rem;
  font-size: 0.875rem;
  font-weight: 500;
}

.form-row {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 640px) { .form-row { grid-template-columns: 1fr 1fr; } }

input, select, textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  font-family: inherit;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--charcoal);
  transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--emerald);
  box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.15);
}

textarea { resize: vertical; min-height: 120px; }

.form-notice {
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  border: 1px solid #fde68a;
  background: #fffbeb;
  color: #92400e;
  font-size: 0.875rem;
  margin-bottom: 1.25rem;
}

.form-notice code {
  font-family: ui-monospace, monospace;
  font-size: 0.8125rem;
}

.form-success {
  text-align: center;
  padding: 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(5, 150, 105, 0.2);
  background: rgba(5, 150, 105, 0.05);
}

/* FAQ */
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--white);
  margin-bottom: 1rem;
  overflow: hidden;
}

.faq-item summary {
  padding: 1.25rem 1.5rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: '▼';
  font-size: 0.75rem;
  color: var(--emerald);
  transition: transform 0.2s;
}

.faq-item[open] summary::after { transform: rotate(180deg); }

.faq-item .answer {
  padding: 0 1.5rem 1.25rem;
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.7;
  border-top: 1px solid var(--border);
  padding-top: 0.75rem;
}

/* Footer */
.site-footer {
  background: var(--charcoal);
  color: #d1d5db;
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  gap: 3rem;
}

@media (min-width: 1024px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; } }

.footer-logo {
  height: var(--logo-footer);
  width: auto;
  max-width: 280px;
  object-fit: contain;
  transition: opacity 0.35s ease, transform 0.35s ease;
}

@media (min-width: 768px) {
  .footer-logo {
    height: var(--logo-footer-lg);
    max-width: 320px;
  }
}

.footer-logo:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}

.footer-tagline {
  margin-top: 1rem;
  font-size: 0.875rem;
  color: #9ca3af;
  line-height: 1.6;
}

.footer-contact { margin-top: 1.5rem; font-size: 0.875rem; }
.footer-contact a { transition: color 0.2s; color: #d1d5db; }
.footer-contact a:hover { color: var(--emerald-light); }
.footer-contact-item { margin-bottom: 0.625rem; line-height: 1.5; }
.footer-contact-label {
  display: inline-block;
  min-width: 5.5rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #6b7280;
}
.contact-info-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--emerald);
}
.contact-info-note {
  margin-top: 0.25rem;
  font-size: 0.875rem;
  color: var(--muted);
}

.footer-col h3 {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--white);
  margin-bottom: 1rem;
}

.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 0.75rem; }
.footer-col a { font-size: 0.875rem; transition: color 0.2s; }
.footer-col a:hover { color: var(--emerald-light); }

.footer-bottom {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid #374151;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  text-align: center;
  font-size: 0.875rem;
  color: #6b7280;
}

@media (min-width: 640px) {
  .footer-bottom { flex-direction: row; justify-content: space-between; text-align: left; }
}

/* Legal */
.legal-content { max-width: 48rem; margin: 0 auto; }
.legal-content h2 { font-size: 1.25rem; font-weight: 600; margin-top: 2rem; }
.legal-content p, .legal-content li { color: var(--muted); line-height: 1.7; margin-top: 0.75rem; }
.legal-content ul { padding-left: 1.5rem; }

.legal-notice {
  margin-top: 2rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  border: 1px solid #fde68a;
  background: #fffbeb;
  color: #92400e;
  font-size: 0.875rem;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--emerald);
  margin-top: 1.25rem;
}

.text-center { text-align: center; }
.mt-4 { margin-top: 1rem; }
.mt-8 { margin-top: 2rem; }
.mt-12 { margin-top: 3rem; }
.mb-8 { margin-bottom: 2rem; }
.max-w-3xl { max-width: 48rem; margin-left: auto; margin-right: auto; }
