/* 
   nullAxis Website Styles
   Modern, professional design with orange gradient accents
*/

:root {
  --color-dark: #3A3A3A;
  --color-light: #FFFFFF;
  --color-gray: #F5F5F5;
  --color-gray-dark: #E0E0E0;
  --color-accent-start: #F5793B;
  --color-accent-end: #FFB347;
  --color-accent-light: rgba(245, 121, 59, 0.1);
  --font-primary: 'Inter', sans-serif;
  --font-heading: 'Space Grotesk', sans-serif;
  --border-radius: 8px;
  --transition: all 0.3s ease;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

html {
  min-height: 100vh;
  overflow-x: hidden;
}

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

body {
  font-family: var(--font-primary);
  color: var(--color-dark);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  width: 100%;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
}

h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

h3 {
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

h4 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

p {
  margin-bottom: 1rem;
}

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

a:hover {
  color: var(--color-accent-start);
}

.button {
  display: inline-block;
  padding: 12px 24px;
  border-radius: var(--border-radius);
  font-weight: 500;
  transition: var(--transition);
  cursor: pointer;
  text-align: center;
}

.button.primary {
  background: linear-gradient(135deg, var(--color-accent-start), var(--color-accent-end));
  color: var(--color-light);
  border: none;
}

.button.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(245, 121, 59, 0.3);
}

.button.secondary {
  background: transparent;
  border: 2px solid var(--color-dark);
  color: var(--color-dark);
}

.button.secondary:hover {
  background: var(--color-dark);
  color: var(--color-light);
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 3rem;
}

.section-header p {
  font-size: 1.1rem;
  color: #666;
}

/* Header & Navigation */
header {
  padding: 20px 0;
  position: sticky;
  top: 0;
  background: var(--color-light);
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

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

.logo img {
  height: 40px;
}

.logo-container {
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
  padding: 12px 20px;
  border-radius: 12px;
  box-shadow: 
    0 4px 20px rgba(0, 0, 0, 0.08),
    0 1px 3px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.logo-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, 
    transparent 0%, 
    var(--color-accent-start) 50%, 
    transparent 100%);
  opacity: 0.3;
}

.logo-container:hover {
  transform: translateY(-1px);
  box-shadow: 
    0 8px 30px rgba(0, 0, 0, 0.12),
    0 2px 6px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.logo img {
  height: 40px;
  display: block;
  position: relative;
  z-index: 1;
}

.nav-links {
  display: flex;
  gap: 30px;
}

.nav-links a {
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--color-accent-start);
}

/* Hero Section */
.hero {
  padding: 100px 0;
  background-color: var(--color-gray);
  position: relative;
  overflow: hidden;
}

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

.hero h1 {
  margin-bottom: 1.5rem;
}

.subtitle {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  color: #555;
}

.hero-cta {
  display: flex;
  gap: 20px;
}

.hero-image {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 50%;
  height: 100%;
}

.hero-graphic {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-accent-start), var(--color-accent-end));
  opacity: 0.5;
  border-radius: 30% 0 0 70%;
}

/* Problem Statement Section */
.problem-statement {
  padding: 80px 0;
  background-color: var(--color-light);
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  width: 100%;
}

.problem-item {
  padding: 30px;
  border-radius: var(--border-radius);
  background-color: var(--color-gray);
  transition: var(--transition);
}

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

.icon {
  width: 50px;
  height: 50px;
  margin-bottom: 20px;
  color: var(--color-accent-start);
}

/* nullAxis Stack Section */
.nullaxis-stack {
  padding: 80px 0;
  background-color: var(--color-gray);
}

.stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  width: 100%;
}

.stack-item {
  padding: 40px;
  background-color: var(--color-light);
  border-radius: var(--border-radius);
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.stack-item:hover {
  transform: translateY(-5px);
}

.stack-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent-start), var(--color-accent-end));
  opacity: 0.8;
}

/* Benefits Section */
.benefits {
  padding: 80px 0;
  background-color: var(--color-light);
}

.benefits-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.benefits-tabs {
  display: flex;
  margin-bottom: 30px;
  border-bottom: 2px solid var(--color-gray-dark);
}

.tab {
  padding: 10px 20px;
  cursor: pointer;
  font-weight: 500;
  position: relative;
}

.tab.active {
  color: var(--color-accent-start);
}

.tab.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(135deg, var(--color-accent-start), var(--color-accent-end));
}

.benefits-list {
  display: none;
}

.benefits-list.active {
  display: block;
}

.benefit-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 20px;
}

.benefit-icon {
  width: 30px;
  height: 30px;
  margin-right: 15px;
  color: var(--color-accent-start);
  flex-shrink: 0;
}

.benefits-image img {
  width: 100%;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
}

/* Solutions Section */
.solutions {
  padding: 80px 0;
  background-color: var(--color-gray);
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  width: 100%;
}

.solution-item {
  padding: 30px;
  background-color: var(--color-light);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.solution-item:hover {
  transform: translateY(-5px);
}

.solution-icon {
  width: 60px;
  height: 60px;
  margin-bottom: 20px;
  border-radius: 50%;
  background: var(--color-accent-light);
}

.learn-more {
  display: inline-block;
  margin-top: 15px;
  font-weight: 500;
  color: var(--color-accent-start);
  position: relative;
}

.learn-more::after {
  content: '→';
  margin-left: 5px;
  transition: var(--transition);
}

.learn-more:hover::after {
  margin-left: 10px;
}

/* Case Studies Section */
.case-studies {
  padding: 80px 0;
  background-color: var(--color-light);
}

.case-studies-filter {
  display: flex;
  justify-content: center;
  margin-bottom: 40px;
  flex-wrap: wrap;
  gap: 10px;
}

.filter-button {
  padding: 8px 16px;
  background: transparent;
  border: 1px solid var(--color-gray-dark);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
}

.filter-button.active, .filter-button:hover {
  background: linear-gradient(135deg, var(--color-accent-start), var(--color-accent-end));
  color: var(--color-light);
  border-color: transparent;
}

.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
  width: 100%;
}

.case-study-card {
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  background-color: var(--color-light);
}

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

.case-study-image {
  height: 200px;
  overflow: hidden;
}

.image-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #f0f0f0, #e0e0e0);
}

.case-study-content {
  padding: 25px;
}

.case-study-tag {
  display: inline-block;
  padding: 5px 10px;
  background-color: var(--color-accent-light);
  color: var(--color-accent-start);
  border-radius: 20px;
  font-size: 0.8rem;
  margin-bottom: 15px;
}

.case-study-metrics {
  display: flex;
  gap: 20px;
  margin: 20px 0;
}

.metric {
  text-align: center;
}

.metric-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent-start);
}

.metric-label {
  font-size: 0.8rem;
  color: #666;
}

.case-studies-cta {
  text-align: center;
  margin-top: 40px;
}

/* Testimonial Section */
.testimonial {
  padding: 80px 0;
  background-color: var(--color-gray);
}

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

.quote-mark {
  font-size: 6rem;
  line-height: 1;
  color: var(--color-accent-start);
  opacity: 0.2;
  position: absolute;
  top: -40px;
  left: -20px;
}

blockquote {
  font-size: 1.5rem;
  font-weight: 300;
  margin-bottom: 30px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
}

.author-image {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent-start), var(--color-accent-end));
  margin-right: 15px;
}

.author-name {
  font-weight: 600;
}

.author-title {
  font-size: 0.9rem;
  color: #666;
}

/* About Section */
.about {
  padding: 80px 0;
  background-color: var(--color-light);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.about-image {
  height: 400px;
  border-radius: var(--border-radius);
  overflow: hidden;
}

.about-cta {
  display: flex;
  gap: 20px;
  margin-top: 30px;
}

/* Contact Section */
.contact {
  padding: 80px 0;
  background-color: var(--color-gray);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}

.contact-methods {
  margin-top: 40px;
}

.contact-method {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
}

.contact-icon {
  width: 40px;
  height: 40px;
  margin-right: 15px;
  color: var(--color-accent-start);
}

.form-group {
  margin-bottom: 20px;
}

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

input, textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--color-gray-dark);
  border-radius: var(--border-radius);
  font-family: var(--font-primary);
  transition: var(--transition);
}

input:focus, textarea:focus {
  outline: none;
  border-color: var(--color-accent-start);
}

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

/* Footer */
footer {
  padding: 60px 0 30px;
  background: linear-gradient(135deg, #2a2a2a 0%, #1f1f1f 100%);
  color: var(--color-light);
  position: relative;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, 
    transparent 0%, 
    rgba(245, 121, 59, 0.3) 50%, 
    transparent 100%);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 50px;
  margin-bottom: 40px;
}

.footer-logo {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.footer-logo img {
  height: 40px;
  width: auto;
}

.footer-logo p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
  line-height: 1.4;
  margin-top: 10px;
}

.footer-logo-container {
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
  padding: 16px 24px;
  border-radius: 16px;
  box-shadow: 
    0 8px 32px rgba(0, 0, 0, 0.3),
    0 4px 16px rgba(0, 0, 0, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(245, 121, 59, 0.2);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  display: inline-block;
}

.footer-logo-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, 
    transparent 0%, 
    var(--color-accent-start) 50%, 
    transparent 100%);
  opacity: 0.6;
}

.footer-logo-container::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, 
    transparent 0%, 
    rgba(255, 255, 255, 0.1) 50%, 
    transparent 100%);
}

.footer-logo-container:hover {
  transform: translateY(-3px);
  box-shadow: 
    0 12px 40px rgba(0, 0, 0, 0.4),
    0 6px 20px rgba(0, 0, 0, 0.25),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  border-color: rgba(245, 121, 59, 0.4);
  background: linear-gradient(135deg, #ffffff 0%, #f5f5f5 100%);
}

.footer-logo-container img {
  height: 44px;
  display: block;
  position: relative;
  z-index: 1;
  filter: brightness(1.05);
}

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

.footer-column h4 {
  margin-bottom: 20px;
  color: var(--color-light);
}

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

.footer-column li {
  margin-bottom: 10px;
}

.footer-column a {
  color: #ccc;
}

.footer-column a:hover {
  color: var(--color-accent-start);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.social-links {
  display: flex;
  gap: 15px;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--color-light);
  transition: var(--transition);
}

.social-link:hover {
  background-color: var(--color-accent-start);
  color: var(--color-light);
}

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

/* Responsive Design */
@media (max-width: 992px) {
  h1 {
    font-size: 2.8rem;
  }
  
  h2 {
    font-size: 2.2rem;
  }
  
  .benefits-grid,
  .about-content,
  .contact-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-image {
    display: none;
  }
  
  .hero-content {
    max-width: 100%;
  }
  
  .container {
    padding: 0 15px;
  }
  
  .problem-grid,
  .stack-grid,
  .solutions-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .case-studies-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  
  .hero {
    padding: 60px 0;
  }
  
  h1 {
    font-size: 2.2rem;
  }
  
  h2 {
    font-size: 1.8rem;
  }
  
  .footer-links {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .container {
    padding: 0 10px;
  }
  
  .hero-cta {
    flex-direction: column;
    gap: 15px;
  }
  
  .benefits-tabs {
    flex-wrap: wrap;
    gap: 10px;
  }
  
  .case-studies-filter {
    gap: 8px;
  }
  
  .filter-button {
    padding: 6px 12px;
    font-size: 0.9rem;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }
  
  .problem-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 5px;
  }
  
  h1 {
    font-size: 1.8rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  .hero-cta .button {
    width: 100%;
    text-align: center;
  }
  
  .problem-item,
  .stack-item,
  .solution-item {
    padding: 20px;
  }
}

/* JavaScript Interaction Styles */
.benefits-list {
  opacity: 0;
  height: 0;
  overflow: hidden;
  transition: opacity 0.3s ease;
}

.benefits-list.active {
  opacity: 1;
  height: auto;
}

/* Placeholder for images that would be replaced with actual content */
.stack-icon.ai-tech {
  background: url('images/ai-tech-icon.svg') center/cover no-repeat;
}

.stack-icon.domain {
  background: url('images/domain-icon.svg') center/cover no-repeat;
}

.stack-icon.apps {
  background: url('images/apps-icon.svg') center/cover no-repeat;
}

.solution-icon.strategy {
  background: url('images/strategy-icon.svg') center/cover no-repeat;
}

.solution-icon.ma {
  background: url('images/ma-icon.svg') center/cover no-repeat;
}

.solution-icon.regulatory {
  background: url('images/regulatory-icon.svg') center/cover no-repeat;
}

.solution-icon.market {
  background: url('images/market-icon.svg') center/cover no-repeat;
}

.solution-icon.growth {
  background: url('images/growth-icon.svg') center/cover no-repeat;
}

.solution-icon.forecasting {
  background: url('images/forecasting-icon.svg') center/cover no-repeat;
}