/* 
  Trevalureon - Personalized Nutrition for Real-Life Energy
  Stylesheet - May 2025
*/

/* ---------- Base Styles & Variables ---------- */
:root {
  /* Main colors */
  --color-primary: #3E6050;
  --color-secondary: #70A288;
  --color-accent: #FFCA7A;
  --color-light: #F2F8F3;
  --color-dark: #2A2A2A;
  --color-gray: #718096;
  --color-gray-light: #E2E8F0;
  
  /* Gradient presets */
  --gradient-primary: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  --gradient-accent: linear-gradient(135deg, #FFCA7A, #FFB347);
  
  /* Typography */
  --font-primary: 'Inter', sans-serif;
  --font-secondary: 'Poppins', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 15px rgba(112, 162, 136, 0.4);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

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

body {
  font-family: var(--font-primary);
  color: var(--color-dark);
  background-color: #fff;
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-secondary);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

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

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  position: relative;
  margin-bottom: var(--spacing-md);
}

h2::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -10px;
  width: 60px;
  height: 3px;
  background: var(--color-accent);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
}

p {
  margin-bottom: var(--spacing-sm);
}

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

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

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

section {
  padding: var(--spacing-lg) 0;
  position: relative;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
}

.section-subtitle {
  color: var(--color-gray);
  font-size: 1.1rem;
  margin-bottom: var(--spacing-md);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-full);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-medium);
  text-align: center;
  font-family: var(--font-secondary);
  border: none;
}

.btn svg {
  width: 18px;
  height: 18px;
  margin-left: 8px;
}

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

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  color: white;
}

.btn-secondary {
  background: var(--color-light);
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

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

.btn-outline {
  background: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

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

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-block {
  display: block;
  width: 100%;
}

/* ---------- Header & Navigation ---------- */
.main-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-sm);
  padding: 1rem 0;
  transition: var(--transition-medium);
}

.main-header.scrolled {
  padding: 0.5rem 0;
  background-color: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-md);
}

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

.logo {
  display: block;
}

.logo img {
  height: auto;
  transition: var(--transition-medium);
}

.main-header.scrolled .logo img {
  transform: scale(0.9);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-md);
}

.nav-menu li a {
  color: var(--color-dark);
  font-weight: 500;
  position: relative;
}

.nav-menu li a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: var(--transition-medium);
}

.nav-menu li a:hover {
  color: var(--color-primary);
}

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

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 30px;
  height: 20px;
  position: relative;
}

.mobile-menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
  position: absolute;
  left: 0;
  transition: var(--transition-fast);
}

.mobile-menu-toggle span:first-child {
  top: 0;
}

.mobile-menu-toggle span:nth-child(2) {
  top: 50%;
  transform: translateY(-50%);
}

.mobile-menu-toggle span:last-child {
  bottom: 0;
}

.mobile-menu-toggle.active span:first-child {
  transform: rotate(45deg);
  top: 9px;
}

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

.mobile-menu-toggle.active span:last-child {
  transform: rotate(-45deg);
  bottom: 9px;
}

/* ---------- Hero Section ---------- */
.hero {
  padding: calc(var(--spacing-lg) * 2) 0 var(--spacing-lg);
  background: linear-gradient(135deg, #f9fbfa, var(--color-light));
  position: relative;
  overflow: hidden;
}

.hero .container {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.hero-content {
  flex: 1;
  max-width: 600px;
}

.hero h1 {
  text-transform: none;
  margin-bottom: var(--spacing-sm);
  position: relative;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-gray);
  max-width: 500px;
}

.hero-image {
  flex: 1;
  position: relative;
}

.hero-image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  transform: rotate(2deg);
}

.hero-shapes .shape {
  position: absolute;
  z-index: -1;
}

.hero-shapes .shape-1 {
  width: 300px;
  height: 300px;
  background-color: rgba(255, 202, 122, 0.1);
  border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
  top: -100px;
  right: -100px;
  animation: float 8s ease-in-out infinite;
}

.hero-shapes .shape-2 {
  width: 200px;
  height: 200px;
  background-color: rgba(62, 96, 80, 0.1);
  border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  bottom: -70px;
  left: 10%;
  animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {
  0% {
    transform: translate(0px, 0px);
  }
  50% {
    transform: translate(15px, -15px);
  }
  100% {
    transform: translate(0px, 0px);
  }
}

/* ---------- How It Works Section ---------- */
.how-it-works {
  background-color: white;
  text-align: center;
}

.how-it-works h2 {
  display: inline-block;
  margin-left: auto;
  margin-right: auto;
}

.how-it-works h2::after {
  left: 50%;
  transform: translateX(-50%);
}

.steps-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.step {
  flex: 1;
  min-width: 260px;
  max-width: 320px;
  padding: var(--spacing-md);
  text-align: center;
  border-radius: var(--radius-lg);
  background-color: white;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-medium);
  border: 1px solid var(--color-gray-light);
}

.step:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.step-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-sm);
}

.step h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

/* ---------- Benefits Section ---------- */
.benefits {
  background-color: var(--color-light);
  text-align: center;
  padding: var(--spacing-xl) 0;
}

.benefits h2 {
  display: inline-block;
  margin-left: auto;
  margin-right: auto;
}

.benefits h2::after {
  left: 50%;
  transform: translateX(-50%);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.benefit-card {
  background: white;
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-medium);
  border: 2px solid transparent;
  text-align: center;
}

.benefit-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-secondary);
}

.benefit-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-sm);
}

.benefit-card h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

/* ---------- Philosophy Section ---------- */
.philosophy {
  background-color: white;
  position: relative;
  overflow: hidden;
}

.philosophy::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("images/phi.jpg");
  z-index: 0;
  opacity: 0.5;
}

.philosophy .container {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  position: relative;
  z-index: 1;
}

.philosophy-content, .philosophy-image {
  flex: 1;
}

.philosophy-content {
  max-width: 500px;
}

.philosophy blockquote {
  padding: var(--spacing-md);
  background: rgba(255, 202, 122, 0.1);
  border-left: 4px solid var(--color-accent);
  margin: var(--spacing-md) 0;
  font-style: italic;
  font-size: 1.2rem;
  position: relative;
}

.philosophy blockquote::before,
.philosophy blockquote::after {
  content: '"';
  font-size: 2rem;
  color: var(--color-accent);
  position: absolute;
}

.philosophy blockquote::before {
  top: 0;
  left: 10px;
}

.philosophy blockquote::after {
  bottom: -15px;
  right: 10px;
}

.philosophy-image img {
  border-radius: var(--radius-md);
  transform: rotate(-2deg);
  box-shadow: var(--shadow-lg);
}

/* ---------- Pricing Section ---------- */
.pricing {
  background: linear-gradient(135deg, #F9FBFA, var(--color-light));
  text-align: center;
  padding: var(--spacing-xl) 0;
}

.pricing h2 {
  display: inline-block;
  margin-left: auto;
  margin-right: auto;
}

.pricing h2::after {
  left: 50%;
  transform: translateX(-50%);
}

.pricing-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.pricing-card {
  flex: 1;
  min-width: 280px;
  max-width: 350px;
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-md);
  transition: var(--transition-medium);
  position: relative;
  border: 2px solid transparent;
  text-align: left;
}

.pricing-card.featured {
  transform: scale(1.05);
  border-color: var(--color-accent);
  z-index: 2;
}

.pricing-card:hover {
  transform: translateY(-5px);
}

.pricing-card.featured:hover {
  transform: scale(1.05) translateY(-5px);
}

.plan-badge {
  position: absolute;
  top: -12px;
  right: -12px;
  background: var(--gradient-accent);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.pricing-card h3 {
  margin-top: var(--spacing-sm);
  font-size: 1.5rem;
  color: var(--color-primary);
}

.price {
  margin: var(--spacing-md) 0;
  font-family: var(--font-secondary);
}

.price .currency {
  font-size: 1.5rem;
  vertical-align: top;
  position: relative;
  top: 0.5rem;
}

.price .amount {
  font-size: 4rem;
  font-weight: 700;
  line-height: 1;
}

.price .period {
  font-size: 1rem;
  color: var(--color-gray);
  margin-left: 0.25rem;
}

.features {
  list-style: none;
  margin-bottom: var(--spacing-md);
}

.features li {
  padding: 0.5rem 0;
  display: flex;
  align-items: flex-start;
}

.features li::before {
  content: '✓';
  margin-right: 0.5rem;
  color: var(--color-secondary);
  font-weight: bold;
}

.pricing-note {
  max-width: 600px;
  margin: 0 auto;
  color: var(--color-gray);
}

/* ---------- Testimonials Section ---------- */
.testimonials {
  background-color: white;
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.testimonials h2 {
  display: inline-block;
  margin-left: auto;
  margin-right: auto;
}

.testimonials h2::after {
  left: 50%;
  transform: translateX(-50%);
}

.testimonials-slider {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.testimonial-card {
  background: linear-gradient(135deg, #fff, var(--color-light));
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-md);
  transition: var(--transition-medium);
  text-align: left;
}

.testimonial-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.testimonial-header {
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

.testimonial-image {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  margin-right: var(--spacing-sm);
  border: 2px solid var(--color-accent);
}

.testimonial-meta h3 {
  margin: 0;
  font-size: 1.1rem;
}

.location {
  color: var(--color-gray);
  font-size: 0.9rem;
}

.rating {
  color: var(--color-accent);
  margin-top: 0.25rem;
}

.testimonial-card blockquote {
  font-style: italic;
  position: relative;
  padding-left: var(--spacing-sm);
  border-left: 2px solid var(--color-accent);
  font-size: 0.95rem;
}

.testimonial-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.prev-btn, .next-btn {
  background: white;
  border: 1px solid var(--color-gray-light);
  color: var(--color-primary);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
}

.prev-btn:hover, .next-btn:hover {
  background: var(--color-primary);
  color: white;
}

.prev-btn svg, .next-btn svg {
  width: 20px;
  height: 20px;
}

.testimonial-dots {
  display: flex;
  gap: 8px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-gray-light);
  cursor: pointer;
  transition: var(--transition-fast);
}

.dot.active {
  background: var(--color-accent);
  transform: scale(1.2);
}

/* ---------- Newsletter Section ---------- */
.newsletter {
  background: linear-gradient(135deg, var(--color-accent), #FFB347);
  color: var(--color-dark);
  padding: var(--spacing-lg) 0;
  text-align: center;
}

.newsletter-content {
  max-width: 650px;
  margin: 0 auto;
}

.newsletter h2 {
  color: var(--color-dark);
}

.newsletter h2::after {
  left: 50%;
  transform: translateX(-50%);
  background: white;
}

.newsletter p {
  margin-bottom: var(--spacing-md);
}

.newsletter-form {
  margin-top: var(--spacing-md);
}

.newsletter .form-group {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.newsletter input[type="email"] {
  flex: 1;
  padding: 1rem 1.5rem;
  border: none;
  border-radius: var(--radius-full);
  background: white;
  font-size: 1rem;
}

.newsletter .btn {
  padding: 1rem 1.5rem;
}

.form-check {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.9rem;
}

.form-check input {
  width: 18px;
  height: 18px;
}

.form-check label a {
  color: var(--color-dark);
  text-decoration: underline;
}

/* ---------- About Section ---------- */
.about {
  background-color: white;
}

.about .container {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.about-content, .about-image {
  flex: 1;
}

.about-image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.stats-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.stat-item {
  text-align: center;
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--color-gray);
  margin-bottom: 0.5rem;
}

.stat-bar {
  height: 4px;
  background: var(--color-gray-light);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.stat-bar span {
  display: block;
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: width 2s ease;
}

/* ---------- Contact Section ---------- */
.contact {
  background-color: var(--color-light);
  padding: var(--spacing-xl) 0;
}

.contact-container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.contact-info, .contact-form-container {
  flex: 1;
  min-width: 300px;
}

.contact-details {
  margin-top: var(--spacing-md);
}

.contact-method {
  display: flex;
  align-items: flex-start;
  margin-bottom: var(--spacing-md);
}

.contact-method .icon {
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: var(--spacing-sm);
  color: white;
}

.contact-method .icon svg {
  width: 20px;
  height: 20px;
}

.contact-method .details h3 {
  margin: 0;
  font-size: 1.1rem;
}

.contact-form {
  background: white;
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--color-gray-light);
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-size: 1rem;
  transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(62, 96, 80, 0.2);
}

.map-container {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

/* ---------- Footer ---------- */
.main-footer {
  background-color: var(--color-primary);
  color: white;
  padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-logo {
  flex: 1.5;
  min-width: 250px;
}

.footer-logo p {
  margin-top: var(--spacing-sm);
  color: rgba(255, 255, 255, 0.7);
}

.footer-links {
  flex: 2;
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.footer-column {
  flex: 1;
  min-width: 150px;
}

.footer-column h3 {
  color: white;
  font-size: 1.1rem;
  margin-bottom: var(--spacing-sm);
  position: relative;
}

.footer-column h3::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 30px;
  height: 2px;
  background: var(--color-accent);
}

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

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

.footer-column ul li a {
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition-fast);
}

.footer-column ul li a:hover {
  color: white;
  padding-left: 5px;
}

.footer-bottom {
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--spacing-sm);
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  margin-bottom: 0;
}

.disclaimer {
  max-width: 600px;
  font-size: 0.8rem;
}

/* ---------- Scroll to Top Button ---------- */
#scroll-top {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 50px;
  height: 50px;
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
}

#scroll-top.visible {
  opacity: 1;
  visibility: visible;
}

#scroll-top svg {
  width: 24px;
  height: 24px;
}

#scroll-top:hover {
  transform: translateY(-3px);
  background: var(--color-secondary);
}

/* ---------- Responsive Styles ---------- */
@media (max-width: 992px) {
  :root {
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
  }
  
  .hero .container,
  .philosophy .container,
  .about .container {
    flex-direction: column;
    gap: var(--spacing-lg);
  }
  
  .hero-image,
  .philosophy-image,
  .about-image {
    margin-top: var(--spacing-md);
  }
  
  .philosophy-content, .about-content {
    max-width: 100%;
  }
  
  .pricing-card.featured {
    transform: scale(1);
  }
  
  .pricing-card.featured:hover {
    transform: translateY(-5px);
  }
}

@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: white;
    flex-direction: column;
    gap: 0;
    padding: var(--spacing-md) 0;
    box-shadow: var(--shadow-md);
    transform: translateY(-150%);
    transition: var(--transition-medium);
    z-index: 999;
  }
  
  .nav-menu.active {
    transform: translateY(0);
  }
  
  .nav-menu li {
    width: 100%;
    text-align: center;
  }
  
  .nav-menu li a {
    display: block;
    padding: 0.75rem 0;
  }
  
  .nav-menu li a::after {
    display: none;
  }
  
  .hero {
    padding-top: calc(var(--spacing-lg) * 1.5);
  }
  
  .testimonials-slider {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
    -ms-overflow-style: none;
    scrollbar-width: none;
  }
  
  .testimonials-slider::-webkit-scrollbar {
    display: none;
  }
  
  .testimonial-card {
    flex: 0 0 80%;
    margin-right: var(--spacing-sm);
    scroll-snap-align: center;
  }
  
  .contact-container {
    flex-direction: column;
  }
  
  .footer-top,
  .footer-links {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 576px) {
  :root {
    --spacing-md: 1.5rem;
    --spacing-lg: 2.5rem;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
  
  .newsletter .form-group {
    flex-direction: column;
  }
  
  .testimonial-card {
    flex: 0 0 90%;
  }
  
  .pricing-container {
    gap: var(--spacing-lg);
  }
}

/* ---------- Animations ---------- */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

/* ---------- Utility Classes ---------- */
.text-center {
  text-align: center;
}

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }