/* ================================
   Evaluator LLC - Main Stylesheet
   ================================ */

/* CSS Custom Properties */
:root {
  /* Brand Colors from Logo */
  --primary-purple: #6B2D5B;
  --primary-purple-light: #8B4D7B;
  --primary-purple-dark: #4B1D3B;
  --accent-green: #2E9E4A;
  --accent-green-light: #4ECB6A;
  --accent-green-dark: #1E7E3A;

  /* Dark Theme Colors */
  --bg-dark: #0D0D12;
  --bg-card: rgba(20, 20, 30, 0.8);
  --bg-glass: rgba(107, 45, 91, 0.15);
  --text-primary: #FFFFFF;
  --text-secondary: rgba(255, 255, 255, 0.7);
  --text-muted: rgba(255, 255, 255, 0.5);

  /* Gradients */
  --gradient-purple: linear-gradient(135deg, var(--primary-purple) 0%, var(--primary-purple-dark) 100%);
  --gradient-green: linear-gradient(135deg, var(--accent-green) 0%, var(--accent-green-dark) 100%);
  --gradient-hero: linear-gradient(135deg, rgba(107, 45, 91, 0.3) 0%, rgba(46, 158, 74, 0.1) 100%);

  /* Spacing */
  --section-padding: 100px 0;
  --container-width: 1200px;

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Effects */
  --glass-blur: blur(20px);
  --border-glass: 1px solid rgba(255, 255, 255, 0.1);
  --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

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

/* Background Pattern */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(107, 45, 91, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(46, 158, 74, 0.1) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

a {
  color: inherit;
  text-decoration: none;
}

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

/* Container */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
  font-size: 1.25rem;
}

p {
  color: var(--text-secondary);
}

/* ================================
   Navigation
   ================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: var(--transition);
}

.nav.scrolled {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  border-bottom: var(--border-glass);
  padding: 15px 0;
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-logo img {
  height: 50px;
  width: auto;
}

.nav-logo span {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary-purple-light) 0%, var(--accent-green) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 40px;
  list-style: none;
}

.nav-links a {
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
}

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

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

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

.nav-cta {
  background: var(--gradient-green);
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  transition: var(--transition);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(46, 158, 74, 0.3);
}

/* Mobile Menu */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 10px;
}

.nav-toggle span {
  width: 25px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition);
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    flex-direction: column;
    padding: 30px;
    gap: 20px;
    transform: translateY(-150%);
    opacity: 0;
    transition: var(--transition);
  }

  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
  }
}

/* ================================
   Buttons
   ================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

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

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(46, 158, 74, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
  border-color: var(--accent-green);
  background: rgba(46, 158, 74, 0.1);
}

.btn-icon {
  font-size: 1.2rem;
}

/* ================================
   Hero Section
   ================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-content {
  animation: fadeInUp 1s ease-out;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-glass);
  border: var(--border-glass);
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 0.875rem;
  color: var(--accent-green-light);
  margin-bottom: 24px;
}

.hero h1 {
  margin-bottom: 24px;
}

.hero h1 span {
  background: linear-gradient(135deg, var(--accent-green-light) 0%, var(--accent-green) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-text {
  font-size: 1.25rem;
  margin-bottom: 16px;
  max-width: 540px;
}

.hero-subtext {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 40px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-image {
  position: relative;
  animation: fadeInRight 1s ease-out 0.3s both;
}

.hero-image img {
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
}

.hero-image::before {
  content: '';
  position: absolute;
  top: -20px;
  right: -20px;
  width: 100%;
  height: 100%;
  background: var(--gradient-purple);
  border-radius: 20px;
  z-index: -1;
  opacity: 0.5;
}

@media (max-width: 968px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-text,
  .hero-subtext {
    margin-left: auto;
    margin-right: auto;
  }

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

  .hero-image {
    max-width: 500px;
    margin: 0 auto;
  }
}

/* ================================
   Section Styles
   ================================ */
.section {
  padding: var(--section-padding);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

.section-label {
  display: inline-block;
  color: var(--accent-green);
  font-weight: 600;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.section-header h2 {
  margin-bottom: 20px;
}

.section-header p {
  font-size: 1.125rem;
}

/* ================================
   Services Section
   ================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.service-card {
  background: var(--bg-card);
  border: var(--border-glass);
  border-radius: 20px;
  padding: 40px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-green);
  opacity: 0;
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-5px);
  border-color: rgba(46, 158, 74, 0.3);
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon {
  width: 70px;
  height: 70px;
  background: var(--bg-glass);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  font-size: 2rem;
}

.service-card h3 {
  margin-bottom: 16px;
}

.service-card>p {
  margin-bottom: 24px;
}

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

.service-list li {
  padding: 8px 0;
  padding-left: 28px;
  position: relative;
  color: var(--text-secondary);
}

.service-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-green);
  font-weight: bold;
}

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

/* ================================
   Mission Section
   ================================ */
.mission {
  background: var(--gradient-hero);
  border-top: var(--border-glass);
  border-bottom: var(--border-glass);
}

.mission-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.mission-content h2 {
  margin-bottom: 30px;
}

.mission-content blockquote {
  font-size: 1.5rem;
  font-style: italic;
  color: var(--text-primary);
  position: relative;
  padding: 0 40px;
}

.mission-content blockquote::before,
.mission-content blockquote::after {
  content: '"';
  font-size: 4rem;
  color: var(--accent-green);
  position: absolute;
  opacity: 0.3;
}

.mission-content blockquote::before {
  top: -20px;
  left: 0;
}

.mission-content blockquote::after {
  bottom: -40px;
  right: 0;
}

.mission-text {
  margin-top: 40px;
  font-size: 1.125rem;
}

/* ================================
   Process Section
   ================================ */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.process-step {
  text-align: center;
  position: relative;
}

.process-step::after {
  content: '';
  position: absolute;
  top: 40px;
  right: -15px;
  width: 30px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-green), transparent);
}

.process-step:last-child::after {
  display: none;
}

.step-number {
  width: 80px;
  height: 80px;
  background: var(--gradient-purple);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 2rem;
  font-weight: 700;
  position: relative;
}

.step-number::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid var(--accent-green);
  opacity: 0.3;
}

.process-step h4 {
  margin-bottom: 12px;
}

@media (max-width: 968px) {
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-step::after {
    display: none;
  }
}

@media (max-width: 576px) {
  .process-grid {
    grid-template-columns: 1fr;
  }
}

/* ================================
   Clients Section
   ================================ */
.clients-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.client-item {
  background: var(--bg-card);
  border: var(--border-glass);
  border-radius: 12px;
  padding: 24px;
  text-align: center;
  transition: var(--transition);
}

.client-item:hover {
  border-color: var(--primary-purple-light);
  transform: scale(1.02);
}

.client-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

@media (max-width: 768px) {
  .clients-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .clients-grid {
    grid-template-columns: 1fr;
  }
}

/* ================================
   Why Section
   ================================ */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.why-item {
  background: var(--bg-card);
  border: var(--border-glass);
  border-radius: 16px;
  padding: 30px;
  text-align: center;
  transition: var(--transition);
}

.why-item:hover {
  border-color: var(--accent-green);
}

.why-icon {
  width: 60px;
  height: 60px;
  background: var(--bg-glass);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.5rem;
}

.why-item h4 {
  margin-bottom: 12px;
}

@media (max-width: 968px) {
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .why-grid {
    grid-template-columns: 1fr;
  }
}

/* ================================
   CTA Section
   ================================ */
.cta {
  background: var(--gradient-purple);
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: radial-gradient(circle at center, rgba(46, 158, 74, 0.3) 0%, transparent 70%);
}

.cta-content {
  position: relative;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.cta h2 {
  margin-bottom: 20px;
}

.cta p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.125rem;
  margin-bottom: 16px;
}

.cta-list {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
  margin: 30px 0;
  list-style: none;
}

.cta-list li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.cta-list .check {
  color: var(--accent-green-light);
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ================================
   Footer
   ================================ */
.footer {
  background: rgba(0, 0, 0, 0.3);
  border-top: var(--border-glass);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p {
  margin-top: 16px;
  max-width: 300px;
}

.footer-links h4 {
  margin-bottom: 20px;
  color: var(--text-primary);
}

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

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: var(--text-secondary);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--accent-green);
}

.footer-bottom {
  padding-top: 30px;
  border-top: var(--border-glass);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
}

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

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

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-brand {
    grid-column: span 1;
  }
}

/* ================================
   Demo Page
   ================================ */
.demo-hero {
  padding: 150px 0 80px;
  text-align: center;
}

.demo-hero h1 {
  margin-bottom: 20px;
}

.video-container {
  max-width: 900px;
  margin: 60px auto;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: var(--border-glass);
  background: var(--bg-card);
}

.video-wrapper {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
}

.video-wrapper iframe,
.video-wrapper video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.video-placeholder {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-purple-dark), var(--bg-dark));
  color: var(--text-secondary);
}

.video-placeholder .play-icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin-bottom: 20px;
  cursor: pointer;
  transition: var(--transition);
}

.video-placeholder .play-icon:hover {
  transform: scale(1.1);
}

.demo-features {
  padding: 80px 0;
}

.demo-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.demo-feature {
  background: var(--bg-card);
  border: var(--border-glass);
  border-radius: 16px;
  padding: 30px;
  text-align: center;
}

.demo-feature-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.demo-feature h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

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

/* ================================
   Contact Page
   ================================ */
.contact-hero {
  padding: 150px 0 80px;
  text-align: center;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  max-width: 1000px;
  margin: 0 auto;
}

.contact-form-container {
  background: var(--bg-card);
  border: var(--border-glass);
  border-radius: 20px;
  padding: 40px;
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  color: var(--text-primary);
  font-size: 1rem;
  font-family: inherit;
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-green);
  background: rgba(46, 158, 74, 0.05);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

.form-group select {
  cursor: pointer;
}

.form-group select option {
  background: var(--bg-dark);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 576px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

.contact-info h3 {
  margin-bottom: 24px;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
  padding: 20px;
  background: var(--bg-card);
  border: var(--border-glass);
  border-radius: 12px;
}

.contact-info-icon {
  width: 50px;
  height: 50px;
  background: var(--bg-glass);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.contact-info-item h4 {
  margin-bottom: 4px;
}

.contact-info-item p {
  font-size: 0.95rem;
}

@media (max-width: 968px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

/* Form Messages */
.form-message {
  padding: 16px;
  border-radius: 10px;
  margin-bottom: 20px;
  display: none;
}

.form-message.success {
  display: block;
  background: rgba(46, 158, 74, 0.2);
  border: 1px solid var(--accent-green);
  color: var(--accent-green-light);
}

.form-message.error {
  display: block;
  background: rgba(220, 53, 69, 0.2);
  border: 1px solid #dc3545;
  color: #ff6b7a;
}

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

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

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

.text-gradient {
  background: linear-gradient(135deg, var(--accent-green-light) 0%, var(--accent-green) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}