/* ==========================================
   NEXA Therapy & Wellness
   Luxury Psychology Practice
   ========================================== */

/* CSS Custom Properties */
:root {
  --color-forest: #1A3329;
  --color-cream: #DCCFB8;
  --color-champagne: #D6C8B0;
  --color-white: #FDFCFA;
  --color-forest-light: #2A4A3D;
  --color-forest-dark: #0F1F18;

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Raleway', 'Helvetica Neue', sans-serif;

  --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-soft: 0 4px 30px rgba(26, 51, 41, 0.1);
}

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

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

body {
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.7;
  color: var(--color-forest);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 300;
  letter-spacing: 0.08em;
  line-height: 1.3;
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

h2 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  margin-bottom: 1.5rem;
}

h3 {
  font-size: clamp(1.2rem, 2.5vw, 1.5rem);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

p {
  font-size: 1.05rem;
  max-width: 65ch;
  margin-bottom: 1.5rem;
}

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

/* Layout */
.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 6rem 0;
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.5rem 0;
  transition: background-color 0.4s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

.nav.scrolled {
  background-color: rgba(253, 252, 250, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-soft);
}

/* Remove backdrop-filter when menu is open to prevent stacking context issues */
.nav.menu-open,
.nav.scrolled.menu-open {
  backdrop-filter: none !important;
  background-color: transparent !important;
  box-shadow: none !important;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  transition: var(--transition-smooth);
  position: relative;
  z-index: 1002;
}

.nav-logo .logo-image {
  height: 60px;
  width: auto;
  transition: filter 0.3s ease;
}

/* When scrolled on white background, make logo dark (forest green) */
.nav.scrolled .nav-logo .logo-image {
  filter: brightness(0.3) sepia(1) hue-rotate(70deg) saturate(3);
}

/* When menu is open, logo should be normal (cream) regardless of scroll */
.nav.menu-open .nav-logo .logo-image {
  filter: none;
}

/* Text logo fallback */
.nav-logo-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 300;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-cream);
}

.nav.scrolled .nav-logo-text {
  color: var(--color-forest);
}

.nav-links {
  display: flex;
  gap: 3rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-cream);
  position: relative;
  padding: 0.5rem 0;
}

.nav.scrolled .nav-links a {
  color: var(--color-forest);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: currentColor;
  transition: var(--transition-smooth);
}

.nav-links a:hover::after {
  width: 100%;
}

/* Mobile Menu Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  position: relative;
  z-index: 1002;
}

.nav-toggle span {
  display: block;
  width: 28px;
  height: 1px;
  background-color: var(--color-cream);
  transition: var(--transition-smooth);
}

.nav.scrolled .nav-toggle span {
  background-color: var(--color-forest);
}

/* When menu is active, hamburger should always be cream */
.nav-toggle.active span {
  background-color: var(--color-cream);
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background-color: var(--color-forest);
  overflow: hidden;
  padding: 8rem 2rem 4rem;
}

.hero-background {
  position: absolute;
  inset: 0;
  background: linear-gradient(rgba(26, 51, 41, 0.7), rgba(26, 51, 41, 0.7)), url('../images/officespace.jpg');
  background-size: cover;
  background-position: center;
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 2rem;
}

.hero h1 {
  color: var(--color-cream);
  margin-bottom: 1rem;
}

.hero-above {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  font-style: italic;
  font-weight: 300;
  color: var(--color-champagne);
  letter-spacing: 0.15em;
  margin-bottom: 1rem;
  opacity: 0.9;
}

.hero-tagline {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.5vw, 2.5rem);
  font-style: italic;
  font-weight: 300;
  color: var(--color-cream);
  letter-spacing: 0.05em;
  line-height: 1.5;
  max-width: 600px;
  margin: 0 auto;
}

.hero-subtitle {
  font-size: 0.9rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-champagne);
  opacity: 0.8;
}

.hero-scroll {
  position: absolute;
  bottom: 3rem;
  left: 50%;
  transform: translateX(-50%);
  color: var(--color-cream);
  opacity: 0.6;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(10px); }
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 1rem 2.5rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  border: 1px solid currentColor;
  transition: var(--transition-smooth);
  cursor: pointer;
}

.btn-primary {
  background-color: var(--color-cream);
  color: var(--color-forest);
  border-color: var(--color-cream);
}

.btn-primary:hover {
  background-color: transparent;
  color: var(--color-cream);
}

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

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

.btn-dark {
  background-color: var(--color-forest);
  color: var(--color-cream);
  border-color: var(--color-forest);
}

.btn-dark:hover {
  background-color: transparent;
  color: var(--color-forest);
}

/* Introduction Section */
.intro {
  background-color: var(--color-white);
  text-align: center;
}

.intro-content {
  max-width: 800px;
  margin: 0 auto;
}

.intro h2 {
  color: var(--color-forest);
}

.intro p {
  margin: 0 auto 2rem;
  color: var(--color-forest);
  opacity: 0.85;
}

.intro-quote {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-style: italic;
  color: var(--color-forest);
  padding: 2rem 0;
  border-top: 1px solid var(--color-cream);
  border-bottom: 1px solid var(--color-cream);
  margin-top: 3rem;
}

/* Services Preview */
.services-preview {
  background-color: var(--color-forest);
  color: var(--color-cream);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 3rem;
  margin-top: 3rem;
}

.service-card {
  text-align: center;
  padding: 2.5rem;
  border: 1px solid rgba(220, 207, 184, 0.2);
  transition: var(--transition-smooth);
}

.service-card:hover {
  border-color: var(--color-cream);
  transform: translateY(-5px);
}

.service-card h3 {
  margin-bottom: 1rem;
  color: var(--color-champagne);
}

.service-card p {
  font-size: 0.95rem;
  opacity: 0.85;
  margin: 0 auto;
}

/* Clickable service cards */
a.service-card {
  display: block;
  text-decoration: none;
  color: inherit;
}

a.service-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-cream);
}

/* Contact cards */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

@media (max-width: 900px) {
  .contact-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }
}

.contact-card {
  display: block;
  padding: 2rem 1.5rem;
  background: rgba(220, 207, 184, 0.25);
  border: 1px solid rgba(26, 51, 41, 0.15);
  transition: all 0.3s ease;
  text-decoration: none;
}

.contact-card:hover {
  background: rgba(220, 207, 184, 0.35);
  border-color: var(--color-forest);
  transform: translateY(-3px);
  box-shadow: 0 4px 15px rgba(26, 51, 41, 0.1);
}

/* About Preview */
.about-preview {
  background-color: var(--color-white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.about-image {
  position: relative;
}

.about-image-placeholder {
  aspect-ratio: 4/5;
  background: linear-gradient(135deg, var(--color-cream) 0%, var(--color-champagne) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-forest);
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.1rem;
}

.about-image-img {
  width: 100%;
  max-width: 500px;
  height: auto;
  aspect-ratio: 4/5;
  object-fit: cover;
  object-position: 80% center;
  display: block;
  margin: 0 auto;
}

.about-content h2 {
  color: var(--color-forest);
}

.about-content p {
  color: var(--color-forest);
  opacity: 0.85;
}

/* CTA Section */
.cta {
  background-color: var(--color-cream);
  text-align: center;
}

.cta h2 {
  color: var(--color-forest);
}

.cta p {
  margin: 0 auto 2.5rem;
  color: var(--color-forest);
  opacity: 0.85;
}

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

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 3rem;
}

.footer-brand h3 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  letter-spacing: 0.2em;
  margin-bottom: 1rem;
}

.footer-tagline {
  font-size: 0.95rem;
  font-style: italic;
  opacity: 0.8;
  max-width: 350px;
  line-height: 1.8;
}

.footer-links h4 {
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  color: var(--color-white);
  border-bottom: 1px solid rgba(220, 207, 184, 0.3);
  padding-bottom: 0.75rem;
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  font-size: 0.9rem;
  opacity: 0.8;
}

.footer-links a:hover {
  opacity: 1;
}

.footer-address {
  font-size: 0.85rem;
  opacity: 0.7;
  margin-top: 1.5rem;
  line-height: 1.6;
}

.footer-inclusivity {
  font-size: 0.85rem;
  opacity: 0.7;
  text-align: center;
  max-width: 600px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(220, 207, 184, 0.2);
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.6;
  white-space: nowrap;
}

@media (max-width: 768px) {
  .footer-bottom {
    white-space: normal;
  }
}

.footer-bottom a {
  text-decoration: underline;
  opacity: 0.8;
}

.footer-bottom a:hover {
  opacity: 1;
}

/* Page Headers */
.page-header {
  background-color: var(--color-forest);
  color: var(--color-cream);
  padding: 10rem 0 5rem;
  text-align: center;
}

.page-header h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

.page-header p {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.2rem;
  margin: 1.5rem auto 0;
  opacity: 0.85;
}

/* Services Page */
.services-section {
  padding: 5rem 0;
}

.services-section:nth-child(even) {
  background-color: rgba(220, 207, 184, 0.15);
}

.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.service-detail.reverse {
  direction: rtl;
}

.service-detail.reverse > * {
  direction: ltr;
}

.service-detail h2 {
  color: var(--color-forest);
  margin-bottom: 1.5rem;
}

.service-detail p {
  color: var(--color-forest);
  opacity: 0.85;
}

.service-detail ul {
  list-style-type: disc;
  margin: 0.5rem 0 1.5rem 1.5rem;
  color: var(--color-forest);
}

.service-detail li {
  padding: 0.3rem 0;
  opacity: 0.85;
}

.service-detail li::before {
  content: none;
}

.service-image-placeholder {
  aspect-ratio: 16/10;
  background: linear-gradient(135deg, var(--color-forest) 0%, var(--color-forest-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-cream);
  font-family: var(--font-display);
  font-style: italic;
}

.service-image {
  width: 100%;
  height: auto;
  aspect-ratio: 4/5;
  object-fit: cover;
}

.service-image.headshot {
  object-position: 80% center;
}

/* About Page */
.about-section {
  padding: 5rem 0;
}

.about-full {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 5rem;
  align-items: start;
}

.about-portrait {
  position: sticky;
  top: 8rem;
}

.about-portrait-placeholder {
  aspect-ratio: 3/4;
  background: linear-gradient(135deg, var(--color-cream) 0%, var(--color-champagne) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-forest);
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.1rem;
}

.about-portrait-img {
  width: 100%;
  height: auto;
  aspect-ratio: 3/4;
  object-fit: cover;
  object-position: 80% center;
}

.about-bio h2 {
  color: var(--color-forest);
  margin-bottom: 2rem;
}

.about-bio p {
  color: var(--color-forest);
  opacity: 0.85;
}

/* About My Work Grid */
.about-work-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.about-work-card {
  background: var(--color-white);
  padding: 2.5rem;
  border: 1px solid rgba(26, 51, 41, 0.1);
}

.about-work-card h3 {
  color: var(--color-forest);
  font-size: 1.1rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.about-work-card p {
  color: var(--color-forest);
  opacity: 0.85;
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .about-work-grid {
    grid-template-columns: 1fr;
  }
}

.credentials {
  margin-top: 3rem;
  padding-top: 3rem;
  border-top: 1px solid var(--color-cream);
}

.credentials h3 {
  color: var(--color-forest);
  margin-bottom: 1.5rem;
}

.credentials ul {
  list-style: none;
}

.credentials li {
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: var(--color-forest);
  opacity: 0.85;
}

.credentials li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 1px;
  background-color: var(--color-forest);
}

/* Intensives Coming Soon */
.coming-soon {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background-color: var(--color-cream);
}

.coming-soon-content {
  max-width: 600px;
  padding: 2rem;
}

.coming-soon h2 {
  color: var(--color-forest);
  margin-bottom: 1.5rem;
}

.coming-soon p {
  margin: 0 auto 2rem;
  color: var(--color-forest);
  opacity: 0.85;
}

.notify-form {
  display: flex;
  gap: 1rem;
  max-width: 450px;
  margin: 0 auto;
}

.notify-form input {
  flex: 1;
  padding: 1rem 1.5rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  border: 1px solid var(--color-forest);
  background-color: transparent;
  color: var(--color-forest);
}

.notify-form input::placeholder {
  color: var(--color-forest);
  opacity: 0.5;
}

.notify-form button {
  white-space: nowrap;
}

/* Booking Page */
.booking-section {
  padding: 5rem 0;
  background-color: var(--color-white);
}

.booking-intro {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem;
}

.booking-intro h2 {
  color: var(--color-forest);
}

.booking-intro p {
  margin: 0 auto;
  color: var(--color-forest);
  opacity: 0.85;
}

.booking-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}

.booking-card {
  padding: 3rem;
  border: 1px solid var(--color-cream);
  text-align: center;
  transition: var(--transition-smooth);
}

.booking-card:hover {
  border-color: var(--color-forest);
  box-shadow: var(--shadow-soft);
}

.booking-card h3 {
  color: var(--color-forest);
  margin-bottom: 1rem;
}

.booking-card p {
  font-size: 0.95rem;
  margin: 0 auto 2rem;
  color: var(--color-forest);
  opacity: 0.85;
}

.cal-embed {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem;
  background-color: rgba(220, 207, 184, 0.1);
  min-height: 600px;
}

.cal-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 400px;
  color: var(--color-forest);
  font-family: var(--font-display);
  font-style: italic;
}

/* Privacy Policy */
.privacy-content {
  max-width: 100%;
  margin: 0 auto;
}

.privacy-content p {
  max-width: 100%;
}

.privacy-content h2 {
  margin-top: 3rem;
  font-size: 1.5rem;
}

.privacy-content ul {
  margin: 0.5rem 0 1.5rem 1.5rem;
  list-style-type: disc;
}

.privacy-content .contact-box {
  margin-top: 1rem;
  padding: 1.5rem;
  background-color: rgba(220, 207, 184, 0.2);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .about-grid,
  .about-full,
  .service-detail {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .service-detail.reverse {
    direction: ltr;
  }

  .about-portrait {
    position: static;
    max-width: 500px;
    margin: 0 auto;
  }

  .footer-content {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: span 2;
  }
}

/* Services Categories Grid */
.services-categories {
  display: flex;
  flex-direction: column;
  gap: 4rem;
  margin-top: 3rem;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.services-category {
  text-align: center;
}

.services-category h3 {
  color: var(--color-champagne);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 2rem;
  font-weight: 400;
}

.services-category-items {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.services-category-items .service-card {
  margin: 0;
  padding: 2rem 1.5rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(220, 207, 184, 0.15);
  border-radius: 4px;
  text-align: center;
  transition: all 0.3s ease;
}

.services-category-items .service-card:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(220, 207, 184, 0.3);
  transform: translateY(-3px);
}

.services-category-items .service-card h4 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
  color: var(--color-cream);
}

.services-category-items .service-card p {
  font-size: 0.9rem;
  line-height: 1.6;
  opacity: 0.8;
  margin: 0;
}

@media (max-width: 768px) {
  .services-categories {
    gap: 3rem;
    margin-top: 2rem;
  }

  .services-category-items {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .services-category-items .service-card {
    padding: 1.5rem 1.25rem;
  }

  section {
    padding: 4rem 0;
  }

  .nav-links {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    height: 100dvh !important;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    background: var(--color-forest) !important;
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
    will-change: opacity, visibility;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 99999 !important;
    isolation: isolate;
  }

  .nav-links.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .nav-links a {
    font-size: 1.5rem;
    color: var(--color-cream) !important;
    padding: 0.75rem 0;
  }

  .nav {
    padding: 1rem 0;
    position: fixed !important;
    top: 0 !important;
  }

  .nav-logo .logo-image {
    height: 50px;
  }

  .nav-toggle {
    display: flex;
    z-index: 100000 !important;
  }

  .nav-logo {
    z-index: 100000 !important;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-brand {
    grid-column: auto;
  }

  .footer-tagline {
    margin: 0 auto;
  }

  .notify-form {
    flex-direction: column;
  }

  .booking-options {
    grid-template-columns: 1fr;
  }
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Utility Classes */
.text-center { text-align: center; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }