:root {
  /* Primary Brand Colors */
  --primary-900: #0f172a; /* Darkest - Headers, Footer */
  --primary-800: #1e293b; /* Dark - Primary buttons, CTAs */
  --primary-700: #334155; /* Medium dark - Secondary elements */
  --primary-600: #475569; /* Medium - Text, borders */
  --primary-500: #64748b; /* Medium light - Secondary text */
  --primary-400: #94a3b8; /* Light - Muted text */
  --primary-300: #cbd5e1; /* Lighter - Borders, dividers */
  --primary-200: #e2e8f0; /* Very light - Backgrounds */
  --primary-100: #f1f5f9; /* Lightest - Light backgrounds */
  --primary-50: #f8fafc; /* Whitest - Pure backgrounds */

  /* Accent Colors - Blue System */
  --accent-600: #2563eb; /* Primary accent - Buttons, links */
  --accent-500: #3b82f6; /* Hover states */
  --accent-400: #60a5fa; /* Light accents */
  --accent-300: #93c5fd; /* Very light accents */
  --accent-200: #bfdbfe; /* Background accents */
  --accent-100: #dbeafe; /* Light background accents */
  --accent-50: #eff6ff; /* Subtle background accents */

  /* Success/Positive Colors */
  --success-600: #059669; /* Success states */
  --success-500: #10b981; /* Success elements */
  --success-100: #d1fae5; /* Success backgrounds */

  /* Neutral Colors */
  --white: #ffffff;
  --black: #000000;

  /* Semantic Colors */
  --text-primary: var(--primary-900);
  --text-secondary: var(--primary-600);
  --text-muted: var(--primary-500);
  --text-light: var(--primary-400);

  --bg-primary: var(--white);
  --bg-secondary: var(--primary-50);
  --bg-tertiary: var(--primary-100);

  --border-primary: var(--primary-200);
  --border-secondary: var(--primary-300);

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1),
    0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  overflow-x: hidden;
  width: 100%;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  width: 100%;
  position: relative;
}

/* Header */
.header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border: none;
  border-radius: 0;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: none;
  width: 100vw;
  margin: 0;
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
}

.header.scrolled {
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  border: 1px solid var(--border-primary);
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  max-width: 1200px;
  width: calc(100% - 40px);
  margin: 0 auto;
}

.header.scrolled:hover {
  box-shadow: var(--shadow-xl);
  transform: translateX(-50%) translateY(-2px);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
  transition: height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  width: 100%;
}

.header.scrolled .nav-container {
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.logo img {
  height: 50px;
  width: auto;
  max-width: 200px;
  transition: height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.header.scrolled .logo img {
  height: 44px;
  max-width: 180px;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2.5rem;
  align-items: center;
}

.nav-menu a {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  transition: all 0.2s ease;
  position: relative;
  padding: 0.5rem 0;
}

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

.nav-menu a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-600);
  transition: width 0.2s ease;
  border-radius: 1px;
}

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

.cta-button {
  background: var(--accent-600);
  color: var(--white);
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow);
}

.header.scrolled .cta-button {
  border-radius: 12px;
}

.cta-button:hover {
  background: var(--accent-500);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

/* Partner Link Styles */
.partner-link {
  color: var(--accent-600) !important;
  font-weight: 600 !important;
  padding: 0.5rem 1rem !important;
  border: 2px solid var(--accent-600) !important;
  border-radius: 0.5rem !important;
  transition: all 0.2s ease !important;
}

.partner-link:hover {
  background: var(--accent-600) !important;
  color: white !important;
  transform: translateY(-1px) !important;
}

/* Hero Section */
.hero {
  background: linear-gradient(
    135deg,
    var(--bg-primary) 0%,
    var(--bg-secondary) 100%
  );
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 72px;
  padding-bottom: 2rem;
}

/* Desktop hero padding */
@media (min-width: 768px) {
  .hero {
    padding-bottom: 0;
  }
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
      circle at 20% 80%,
      var(--accent-100) 0%,
      transparent 50%
    ),
    radial-gradient(circle at 80% 20%, var(--accent-50) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

/* Desktop hero content padding */
@media (min-width: 768px) {
  .hero-content {
    padding: 0 2rem;
  }
}

/* Mobile-first hero layout */
@media (min-width: 768px) {
  .hero-content {
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
  }
}

.hero-text h1 {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  line-height: 1.1;
  letter-spacing: -0.025em;
  text-align: center;
}

/* Desktop hero text */
@media (min-width: 768px) {
  .hero-text h1 {
    font-size: 3.5rem;
    text-align: left;
  }
}

.hero-text p {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.6;
  font-weight: 400;
  text-align: center;
}

/* Desktop hero subtitle */
@media (min-width: 768px) {
  .hero-text p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    text-align: left;
  }
}

.hero-buttons {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
}

/* Desktop hero buttons */
@media (min-width: 768px) {
  .hero-buttons {
    flex-direction: row;
    justify-content: flex-start;
  }
}

.btn-primary {
  background: var(--accent-600);
  color: var(--white);
  padding: 1rem 2rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: var(--shadow);
}

.btn-primary:hover {
  background: var(--accent-500);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  padding: 1rem 2rem;
  border: 1px solid var(--border-primary);
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  background: var(--bg-secondary);
  border-color: var(--primary-500);
  transform: translateY(-1px);
}

.hero-image {
  text-align: center;
}

.hero-image img {
  max-width: 100%;
  height: auto;
  border-radius: 16px;
  box-shadow: var(--shadow-xl);
}

/* Features Section */
.features {
  padding: 8rem 0;
  background: var(--bg-primary);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-header {
  text-align: center;
  margin-bottom: 5rem;
}

.section-header h2 {
  font-size: 2.75rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
  letter-spacing: -0.025em;
}

.section-header p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: var(--bg-primary);
  padding: 2.5rem;
  border-radius: 12px;
  border: 1px solid var(--border-primary);
  transition: all 0.3s ease;
  text-align: left;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-600), var(--accent-500));
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--accent-400);
}

.feature-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--accent-600), var(--accent-500));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--white);
  font-size: 1.5rem;
}

.feature-card h3 {
  font-size: 1.375rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.feature-card p {
  color: var(--text-secondary);
  line-height: 1.6;
  font-size: 1rem;
}

/* Services Section */
.services {
  padding: 8rem 0;
  background: var(--bg-secondary);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--bg-primary);
  padding: 2.5rem;
  border-radius: 12px;
  border: 1px solid var(--border-primary);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-600), var(--accent-500));
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--accent-400);
}

.service-card h3 {
  font-size: 1.375rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.service-card p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.service-features {
  list-style: none;
}

.service-features li {
  padding: 0.5rem 0;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
}

.service-features li::before {
  content: "✓";
  color: var(--success-500);
  font-weight: bold;
  font-size: 1rem;
}

/* CTA Section */
.cta-section {
  background: linear-gradient(
    135deg,
    var(--bg-primary) 0%,
    var(--bg-secondary) 100%
  );
  padding: 6rem 0;
  text-align: center;
  color: var(--text-primary);
  position: relative;
  overflow: hidden;
}

/* Final CTA Section */
.final-cta {
  padding: 6rem 0;
  background: linear-gradient(
    135deg,
    var(--accent-50) 0%,
    var(--accent-100) 100%
  );
  text-align: center;
  position: relative;
  overflow: hidden;
}

.final-cta::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
      circle at 30% 70%,
      var(--accent-200) 0%,
      transparent 50%
    ),
    radial-gradient(circle at 70% 30%, var(--accent-100) 0%, transparent 50%);
  pointer-events: none;
}

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

.final-cta h2 {
  font-size: 2.75rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  letter-spacing: -0.025em;
  color: var(--text-primary);
}

.final-cta p {
  font-size: 1.125rem;
  margin-bottom: 2.5rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
      circle at 30% 70%,
      var(--accent-200) 0%,
      transparent 50%
    ),
    radial-gradient(circle at 70% 30%, var(--accent-100) 0%, transparent 50%);
  pointer-events: none;
}

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

.cta-section h2 {
  font-size: 2.75rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  letter-spacing: -0.025em;
}

.cta-section p {
  font-size: 1.125rem;
  margin-bottom: 2.5rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* CTA Benefits */
.cta-benefits {
  display: flex !important;
  flex-wrap: wrap !important;
  justify-content: center !important;
  gap: 2rem !important;
  margin-bottom: 2.5rem !important;
}

.cta-benefit {
  display: flex !important;
  align-items: center !important;
  gap: 0.75rem !important;
  padding: 1rem 1.5rem !important;
  background: var(--white) !important;
  border-radius: var(--radius-lg) !important;
  box-shadow: var(--shadow-sm) !important;
  border: 1px solid var(--border-primary) !important;
  transition: all 0.2s ease !important;
}

.cta-benefit:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-400);
}

.cta-benefit i {
  color: var(--accent-600);
  font-size: 1.25rem;
}

.cta-benefit span {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.95rem;
}

/* Social Proof Section */
.social-proof {
  padding: 5rem 0;
  background: var(--bg-secondary);
}

.social-proof-content {
  text-align: center;
}

.social-proof-header h2 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.social-proof-header p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.social-proof-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.social-proof-card {
  background: var(--white);
  padding: 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-primary);
  text-align: center;
  transition: all 0.2s ease;
}

.social-proof-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-400);
}

.social-icon {
  width: 4rem;
  height: 4rem;
  background: var(--accent-100);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
}

.social-icon i {
  font-size: 1.5rem;
  color: var(--accent-600);
}

.social-proof-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.social-proof-card p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.social-proof-card .btn-secondary {
  width: 100%;
  justify-content: center;
}

/* Why Choose Us Section */
.why-choose-us {
  padding: 5rem 0;
  background: var(--white);
}

.why-choose-content {
  text-align: center;
}

.why-choose-header h2 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.why-choose-header p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.why-choose-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.why-choose-card {
  background: var(--white);
  padding: 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-primary);
  text-align: center;
  transition: all 0.2s ease;
}

.why-choose-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-400);
}

.card-icon {
  width: 4rem;
  height: 4rem;
  background: var(--accent-100);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
}

.card-icon i {
  font-size: 1.5rem;
  color: var(--accent-600);
}

.why-choose-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.why-choose-card p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* About Sophia Section */
.about-sophia {
  padding: 5rem 0;
  background: var(--white);
}

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

.about-image {
  text-align: center;
}

.about-img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.about-text h2 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.about-intro {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--accent-600);
  margin-bottom: 1.5rem;
}

.about-text p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.about-cta {
  margin-top: 2rem;
}

/* Hero CTA Note */
.hero-cta-note {
  margin-top: 1rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  justify-content: center;
}

.hero-cta-note i {
  color: var(--accent-500);
}

/* Text Gradient */
.text-gradient {
  background: linear-gradient(135deg, var(--accent-600), var(--accent-500));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Footer */
.footer {
  background: var(--primary-900);
  color: var(--white);
  padding: 4rem 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-section h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--white);
}

.footer-section p,
.footer-section a {
  color: var(--primary-300);
  text-decoration: none;
  line-height: 1.6;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

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

.footer-bottom {
  border-top: 1px solid var(--primary-700);
  padding-top: 2rem;
  text-align: center;
  color: var(--primary-400);
  font-size: 0.9rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.85rem;
}

.footer-links a {
  color: var(--primary-300);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--white);
  text-decoration: underline;
}

.footer-links span {
  color: var(--primary-500);
}

/* Mobile Menu */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-primary);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 6px;
  transition: background-color 0.2s ease;
}

.mobile-menu-toggle:hover {
  background-color: var(--bg-secondary);
}

/* Mobile Menu Styles */
@media (max-width: 768px) {
  .header {
    width: 100vw;
    left: 0;
    right: 0;
    transform: none;
    -webkit-transform: none;
  }
  
  .nav-container {
    padding: 0 1rem;
    width: 100%;
    max-width: 100%;
  }
  
  .nav-menu {
    display: none !important;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    flex-direction: column;
    padding: 1.5rem;
    box-shadow: var(--shadow-lg);
    border-top: 1px solid var(--border-primary);
    gap: 1rem;
    z-index: 1000;
  }
  
  .mobile-menu-toggle {
    display: block !important;
  }
  
  .cta-button {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
  }
  
  .partner-link {
    padding: 0.4rem 0.8rem !important;
    font-size: 0.85rem !important;
  }
  
  /* Mobile CTA Benefits */
  .cta-benefits {
    flex-direction: column;
    gap: 1rem;
  }
  
  .cta-benefit {
    width: 100%;
    justify-content: center;
  }
  
  /* Mobile Social Proof */
  .social-proof-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .social-proof-card {
    padding: 1.5rem;
  }
  
  /* Mobile Why Choose Us */
  .why-choose-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .why-choose-card {
    padding: 1.5rem;
  }
  
  /* Mobile Typography */
  .social-proof-header h2,
  .why-choose-header h2,
  .final-cta h2 {
    font-size: 2rem;
  }
  
  .social-proof-header p,
  .why-choose-header p,
  .final-cta p {
    font-size: 1rem;
  }
  
  /* Mobile About Sophia */
  .about-content {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }
  
  .about-text h2 {
    font-size: 2rem;
  }
  
  .about-text p {
    font-size: 1rem;
  }
    box-shadow: var(--shadow-lg);
    border-top: 1px solid var(--border-primary);
    gap: 1rem;
    z-index: 1000;
  }

  .nav-menu.show {
    display: flex !important;
  }

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

  .nav-menu a {
    display: block;
    padding: 1rem;
    border-bottom: 1px solid var(--border-primary);
    width: 100%;
    text-align: left;
  }

  .nav-menu a:last-child {
    border-bottom: none;
  }

  .mobile-menu-toggle {
    display: block;
  }

  .cta-button {
    display: none;
  }
}

/* User Authentication Styles */
.user-info {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-left: auto;
}

.user-profile {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.user-name {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.875rem;
}

.user-role {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: capitalize;
}

.btn-logout {
  background: var(--danger);
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-logout:hover {
  background: #dc2626;
  transform: translateY(-1px);
}

/* Authentication Overlay */
.auth-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  color: white;
  font-family: "Inter", sans-serif;
}

.auth-overlay-content {
  text-align: center;
  padding: 2rem;
  background: var(--bg-primary);
  border-radius: 1rem;
  box-shadow: var(--shadow-lg);
  max-width: 400px;
  width: 90%;
}

.auth-overlay h2 {
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.auth-overlay p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.auth-overlay .btn {
  background: var(--primary);
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  cursor: pointer;
  font-size: 1rem;
  text-decoration: none;
  display: inline-block;
}

.auth-overlay .btn:hover {
  background: var(--primary-dark);
}

/* Responsive Design */
@media (max-width: 768px) {
  .header.scrolled {
    top: 10px;
    width: calc(100% - 20px);
    border-radius: 12px;
  }

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }

  .hero-text h1 {
    font-size: 2.875rem;
  }

  .hero-buttons {
    justify-content: center;
  }

  .features-grid,
  .services-grid {
    grid-template-columns: 1fr;
  }

  .section-header h2 {
    font-size: 2.25rem;
  }

  .cta-section h2 {
    font-size: 2.25rem;
  }

  .nav-container {
    padding: 0 1.5rem;
    height: 64px;
  }

  .header.scrolled .nav-container {
    height: 56px;
  }

  .logo img {
    height: 40px;
    max-width: 160px;
  }

  .header.scrolled .logo img {
    height: 36px;
    max-width: 140px;
  }

  .container {
    padding: 0 1.5rem;
  }

  .hero {
    padding-top: 56px;
  }
}

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

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* Additional Trengo-inspired elements */
.gradient-text {
  background: linear-gradient(135deg, var(--accent-600), var(--accent-500));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subtle-border {
  border: 1px solid var(--border-primary);
}

.hover-lift {
  transition: all 0.2s ease;
}

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