/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Colors - Sophisticated and professional palette */
  --color-primary: #2d5f4f;
  --color-primary-dark: #1e4037;
  --color-primary-light: #3d7a64;
  --color-accent: #c9a86a;
  --color-accent-light: #e5d4b3;
  --color-background: #fafaf8;
  --color-surface: #ffffff;
  --color-text: #1a1a1a;
  --color-text-secondary: #666666;
  --color-text-light: #999999;
  --color-border: #e5e5e5;
  --color-success: #4caf50;

  /* Typography */
  --font-primary: "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-heading: "Georgia", serif;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;

  /* Border Radius */
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: all 0.3s ease;
}

.nav-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) 0;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
}

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

.nav-menu a {
  text-decoration: none;
  color: var(--color-text);
  font-weight: 500;
  transition: color 0.3s ease;
}

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

.btn-primary-nav {
  background: var(--color-primary);
  color: white !important;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  transition: all 0.3s ease;
}

.btn-primary-nav:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 0.25rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-btn span {
  width: 25px;
  height: 3px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  background-image: url("../images/professional-dietitian-consultation-healthy-food.jpg");
  background-size: cover;
  background-position: center;
  margin-top: 70px;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(45, 95, 79, 0.9) 0%, rgba(30, 64, 55, 0.85) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  color: white;
  padding: var(--spacing-xl) 0;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--spacing-md);
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
  opacity: 0.95;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.btn-primary,
.btn-secondary {
  padding: 1rem 2rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  display: inline-block;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-text);
}

.btn-primary:hover {
  background: var(--color-accent-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: transparent;
  color: white;
  border: 2px solid white;
}

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

/* Stats Section */
.stats {
  background: var(--color-surface);
  padding: var(--spacing-lg) 0;
  box-shadow: var(--shadow-sm);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
}

.stat-item {
  text-align: center;
  padding: var(--spacing-md);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  font-size: 1rem;
  color: var(--color-text-secondary);
}

/* Section Styles */
section {
  padding: var(--spacing-xl) 0;
}

.section-label {
  display: inline-block;
  color: var(--color-primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.875rem;
  margin-bottom: var(--spacing-sm);
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
}

.section-description {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  max-width: 700px;
  line-height: 1.7;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

/* About Section */
.about {
  background: var(--color-surface);
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  align-items: center;
}

.about-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-image img {
  width: 100%;
  height: auto;
  display: block;
}

.about-badge {
  position: absolute;
  bottom: var(--spacing-md);
  left: var(--spacing-md);
  background: var(--color-accent);
  color: var(--color-text);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.about-content {
  padding: var(--spacing-md);
}

.about-text {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

.credentials {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
}

.credential-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  background: var(--color-background);
  border-radius: var(--radius-sm);
}

.credential-icon {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
  flex-shrink: 0;
}

/* Services Section */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

.service-card {
  position: relative;
  background: var(--color-surface);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.service-card.featured {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
}

.service-card.featured .service-title,
.service-card.featured .service-description,
.service-card.featured .service-features {
  color: white;
}

.service-card.featured .service-icon {
  background: rgba(255, 255, 255, 0.2);
}

.service-badge {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: var(--color-accent);
  color: var(--color-text);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
}

.service-icon {
  width: 60px;
  height: 60px;
  background: var(--color-background);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
}

.service-icon svg {
  width: 32px;
  height: 32px;
  color: var(--color-primary);
}

.service-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.service-description {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
}

.service-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.service-features li {
  padding-left: 1.5rem;
  position: relative;
  color: var(--color-text-secondary);
}

.service-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

.service-card.featured .service-features li::before {
  color: var(--color-accent);
}

/* Why Choose Section */
.why-choose {
  background: var(--color-background);
}

.why-choose-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  align-items: center;
}

.why-choose-items {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.why-item {
  display: flex;
  gap: var(--spacing-md);
}

.why-number {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  flex-shrink: 0;
}

.why-text h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

.why-text p {
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.why-choose-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.why-choose-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* Testimonials Section */
.testimonials {
  background: var(--color-surface);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

.testimonial-card {
  background: var(--color-background);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.testimonial-stars {
  color: var(--color-accent);
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

.testimonial-text {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.author-name {
  font-weight: 700;
  color: var(--color-text);
}

.author-detail {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

/* Process Section */
.process {
  background: var(--color-background);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  align-items: center;
}

.process-step {
  text-align: center;
  padding: var(--spacing-md);
}

.process-number {
  width: 60px;
  height: 60px;
  background: var(--color-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto var(--spacing-md);
}

.process-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.process-description {
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.process-arrow {
  font-size: 2rem;
  color: var(--color-primary);
  text-align: center;
  display: none;
}

/* CTA Section */
.cta {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
  text-align: center;
}

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

.cta-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
}

.cta-description {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-lg);
  opacity: 0.95;
  line-height: 1.7;
}

.btn-primary-large {
  background: var(--color-accent);
  color: var(--color-text);
  padding: 1.25rem 3rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.125rem;
  display: inline-block;
  transition: all 0.3s ease;
}

.btn-primary-large:hover {
  background: var(--color-accent-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Contact Section */
.contact {
  background: var(--color-surface);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.contact-description {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.7;
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.contact-item {
  display: flex;
  gap: var(--spacing-sm);
  align-items: flex-start;
}

.contact-icon {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 0.25rem;
}

.contact-label {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: 0.25rem;
}

.contact-value {
  font-weight: 600;
  color: var(--color-text);
}

.social-links {
  display: flex;
  gap: var(--spacing-sm);
}

.social-link {
  width: 40px;
  height: 40px;
  background: var(--color-background);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  transition: all 0.3s ease;
}

.social-link:hover {
  background: var(--color-primary);
  color: white;
  transform: translateY(-2px);
}

.social-link svg {
  width: 20px;
  height: 20px;
}

/* Contact Form */
.contact-form {
  background: var(--color-background);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
}

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

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.875rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.form-group textarea {
  resize: vertical;
}

.btn-primary-full {
  width: 100%;
  background: var(--color-primary);
  color: white;
  padding: 1rem;
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-primary-full:hover {
  background: var(--color-primary-dark);
}

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

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

.footer-text {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
}

.footer-heading {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: white;
}

.footer-links li {
  color: rgba(255, 255, 255, 0.7);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.5);
}

/* Responsive Design */
@media (max-width: 768px) {
  .mobile-menu-btn {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
  }

  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .hero {
    margin-top: 70px;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    text-align: center;
  }

  .process-arrow {
    display: block;
    transform: rotate(90deg);
  }

  .process-grid {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 769px) {
  .process-arrow {
    display: block;
  }

  .process-grid {
    grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  }
}

/* Smooth Scrolling */
html {
  scroll-behavior: smooth;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-content,
.section-header {
  animation: fadeInUp 0.8s ease-out;
}