/* ========================================
   CSS Variables & Reset
   ======================================== */
:root {
  --stone-50: #fafaf9;
  --stone-100: #f5f5f4;
  --stone-200: #e7e5e4;
  --stone-300: #d6d3d1;
  --stone-400: #a8a29e;
  --stone-500: #78716c;
  --stone-600: #57534e;
  --stone-700: #44403c;
  --stone-800: #292524;
  --stone-900: #1c1917;
  --white: #ffffff;
  
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);

  --accent: #60215b;
}

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

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
  background: var(--stone-50);
  color: var(--stone-900);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, .metric-number {
  /*font-family: "Antic Didone", serif;*/
  font-family: "Recursive", sans-serif;
  font-weight: 400;
  font-style: normal;
}

::selection {
  background: var(--stone-900);
  color: var(--white);
}

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

ul {
  list-style: none;
}

/* ========================================
   Utility Classes
   ======================================== */
.icon {
  flex-shrink: 0;
}

.icon-inline {
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}

.icon-bounce {
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* ========================================
   Animations
   ======================================== */
.animate-on-load {
  opacity: 1;
}

.animate-on-load .animate-item {
  opacity: 0;
}

.animate-on-load.loaded .animate-item {
  animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-on-load.loaded .animate-item:nth-child(1) {
  animation-delay: 0.1s;
}

.animate-on-load.loaded .animate-item:nth-child(2) {
  animation-delay: 0.3s;
}

.animate-on-load.loaded .animate-item:nth-child(3) {
  animation-delay: 0.5s;
}

.animate-on-load.loaded .animate-item:nth-child(4) {
  animation-delay: 0.7s;
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), 
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

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

/* ========================================
   Navbar
   ======================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  background: rgba(250, 250, 249, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(231, 229, 228, 0.5);
  animation: fadeInDown 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.navbar-brand {
  font-weight: 600;
  font-size: 1.125rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.navbar-brand-sub {
  color: var(--stone-500);
  font-weight: 400;
}

.navbar-nav {
  display: none;
  gap: 2rem;
  font-size: 0.875rem;
  font-weight: 500;
}

.nav-link {
  color: var(--stone-600);
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--stone-900);
}

.btn-contact {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--stone-900);
  color: var(--stone-50);
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 500;
  transition: background var(--transition-fast);
}

.btn-contact:hover {
  background: var(--stone-800);
}

@media (min-width: 768px) {
  .navbar {
    padding: 1.5rem 3rem;
  }
  
  .navbar-nav {
    display: flex;
  }
}

/* ========================================
   Hero Section
   ======================================== */
.hero-section {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8rem 1.5rem 6rem;
  max-width: 80rem;
  margin: 0 auto;
}

.hero-container {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.hero-content {
  max-width: 56rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.hero-title {
  font-size: 2.25rem;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--stone-900);
}

.hero-subtitle {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--stone-600);
  font-weight: 300;
  max-width: 48rem;
}

.metrics-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding-top: 3rem;
  border-top: 1px solid var(--stone-200);
}

.metric-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.metric-number {
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--stone-900);
  letter-spacing: -0.05em;
}

.metric-label {
  font-size: 0.875rem;
  color: var(--stone-600);
  line-height: 1.4;
}

.scroll-indicator {
  display: none;
  align-items: center;
  gap: 1rem;
  padding-top: 6rem;
  color: var(--stone-500);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

@media (min-width: 640px) {
  .hero-title {
    font-size: 3rem;
  }
  
  .hero-subtitle {
    font-size: 1.5rem;
  }
  
  .metric-number {
    font-size: 3rem;
  }
  
  .metric-label {
    font-size: 1rem;
  }
}

@media (min-width: 768px) {
  .hero-section {
    padding: 8rem 3rem 6rem;
  }
  
  .hero-container {
    gap: 4rem;
  }
  
  .metrics-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .scroll-indicator {
    display: flex;
  }
}

@media (min-width: 1024px) {
  .hero-section {
    padding: 8rem 6rem 6rem;
  }
  
  .hero-title {
    font-size: 4rem;
  }
}

@media (min-width: 1280px) {
  .hero-title {
    font-size: 4.5rem;
  }
}


/* ========================================
   Ventures Section
   ======================================== */
.ventures-section {
  padding: 6rem 0;
  background: var(--stone-100);
  border-top: 1px solid var(--stone-200);
}

.ventures-header {
  max-width: 48rem;
  margin-bottom: 4rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.ventures-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--stone-400);
}

.ventures-title {
  font-size: 2.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--stone-900);
  line-height: 1.1;
}

.ventures-subtitle {
  font-size: 1.125rem;
  color: var(--stone-600);
  font-weight: 300;
  line-height: 1.7;
  margin: 0;
}

.ventures-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.venture-card {
  padding: 2rem;
  background: var(--white);
  border: 1px solid var(--stone-200);
  border-radius: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: all var(--transition-normal);
}

.venture-card:hover {
  border-color: var(--stone-300);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.venture-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.5rem;
}

.venture-name {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--stone-900);
  margin: 0;
}

.venture-link {
  font-size: 0.875rem;
  color: var(--stone-500);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  transition: color var(--transition-fast);
}

.venture-link:hover {
  color: var(--stone-900);
}

.venture-status {
  padding: 0.25rem 0.75rem;
  background: var(--stone-900);
  color: var(--stone-50);
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.venture-status.accent {
  background: var(--accent);
}

.venture-category {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--stone-400);
  margin: 0;
}

.venture-description {
  font-size: 1rem;
  color: var(--stone-600);
  line-height: 1.6;
  margin: 0;
}

@media (min-width: 768px) {
  .ventures-title {
    font-size: 3.5rem;
  }
  
  .ventures-subtitle {
    font-size: 1.25rem;
  }
  
  .ventures-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }
  
  .venture-card {
    padding: 2.5rem;
  }
}


/* ========================================
   Section Utilities
   ======================================== */
.section-container {
  max-width: 80rem;
  margin: 0 auto;
  padding: 0 1.5rem;
}

@media (min-width: 768px) {
  .section-container {
    padding: 0 3rem;
  }
}

@media (min-width: 1024px) {
  .section-container {
    padding: 0 6rem;
  }
}

/* ========================================
   Case Studies Section
   ======================================== */
.case-studies-section {
  padding: 6rem 0;
  background: var(--white);
  border-top: 1px solid var(--stone-100);
}

.section-header {
  margin-bottom: 4rem;
}

.section-title {
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--stone-900);
  margin-bottom: 1.5rem;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--stone-500);
  max-width: 42rem;
  font-weight: 300;
  line-height: 1.7;
}

.case-studies-list {
  display: flex;
  flex-direction: column;
  gap: 6rem;
}

.case-study {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: start;
}

.case-study-left {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.case-study-number {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--stone-400);
  margin-bottom: 1rem;
}

.case-study-title {
  font-size: 1.875rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--stone-900);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.case-study-subtitle {
  font-size: 1.25rem;
  color: var(--stone-500);
  font-weight: 300;
  line-height: 1.5;
}

.info-box {
  padding: 1.5rem;
  background: var(--stone-50);
  border: 1px solid var(--stone-100);
  border-radius: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.info-section {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.info-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--stone-900);
}

.info-title .icon {
  color: var(--stone-400);
}

.info-content {
  color: var(--stone-600);
  font-size: 0.9375rem;
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.info-content p {
  margin: 0;
}

.info-content strong {
  color: var(--stone-900);
  font-weight: 500;
}

.divider {
  height: 1px;
  width: 100%;
  background: var(--stone-200);
}

.case-study-right {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.detail-section {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.detail-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--stone-900);
}

.detail-title .icon {
  color: var(--stone-400);
}

.detail-content {
  color: var(--stone-600);
  line-height: 1.7;
}

.problem-statement {
  font-size: 1.125rem;
  color: var(--stone-800);
  font-weight: 500;
  line-height: 1.7;
  border-left: 2px solid var(--stone-200);
  padding: 0.5rem 0 0.5rem 1.5rem;
  margin: 1rem 0;
}

.actions-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1rem;
}

.actions-list li {
  display: flex;
  gap: 1rem;
  align-items: start;
}

.bullet {
  width: 0.375rem;
  height: 0.375rem;
  border-radius: 50%;
  background: var(--stone-300);
  margin-top: 0.625rem;
  flex-shrink: 0;
}

.actions-list li span:last-child {
  color: var(--stone-700);
  font-size: 1.125rem;
  line-height: 1.6;
}

.results-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.result-card {
  padding: 1.5rem;
  border-radius: 1rem;
  background: var(--stone-900);
  color: var(--stone-50);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal);
}

.result-card:hover {
  transform: scale(1.02);
}

.result-metric {
  font-size: 1.875rem;
  font-weight: 600;
  letter-spacing: -0.05em;
}

.result-text {
  font-size: 0.875rem;
  color: var(--stone-400);
  line-height: 1.5;
  margin: 0;
}

.leadership-quote {
  padding: 1.5rem;
  background: var(--stone-50);
  border: 1px solid var(--stone-100);
  border-radius: 1rem;
}

.leadership-quote p {
  font-size: 1.125rem;
  color: var(--stone-800);
  font-style: italic;
  line-height: 1.7;
  margin: 0;
}

@media (min-width: 768px) {
  .section-header {
    margin-bottom: 6rem;
  }
  
  .section-title {
    font-size: 3rem;
  }
  
  .section-subtitle {
    font-size: 1.25rem;
  }
  
  .case-studies-list {
    gap: 8rem;
  }
  
  .results-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .leadership-quote {
    padding: 2rem;
  }
  
  .problem-statement {
    font-size: 1.25rem;
  }
}

@media (min-width: 1024px) {
  .case-study {
    grid-template-columns: 1fr 2fr;
    gap: 6rem;
  }
  
  .case-study-left {
    position: sticky;
    top: 8rem;
  }
  
  .case-study-right {
    padding-top: 4rem;
  }
}

/* ========================================
   Leadership Section
   ======================================== */
.leadership-section {
  padding: 6rem 0;
  background: var(--stone-900);
  color: var(--stone-50);
}

.leadership-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 5rem;
}

.leadership-column {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.leadership-header {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.leadership-title {
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.leadership-title-alt {
  color: var(--stone-300);
}

.title-underline {
  height: 0.25rem;
  width: 5rem;
  background: var(--stone-700);
  border-radius: 9999px;
}

.leadership-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.leadership-item {
  display: flex;
  gap: 1.5rem;
  align-items: start;
}

.leadership-icon {
  padding: 0.75rem;
  background: var(--stone-800);
  border-radius: 0.75rem;
  color: var(--stone-400);
  flex-shrink: 0;
  margin-top: 0.25rem;
  transition: all var(--transition-normal);
}

.leadership-item:hover .leadership-icon {
  background: var(--stone-700);
  color: var(--white);
}

.leadership-text {
  font-size: 1.25rem;
  font-weight: 300;
  color: var(--stone-300);
  line-height: 1.4;
  transition: color var(--transition-normal);
  margin: 0;
}

.leadership-item:hover .leadership-text {
  color: var(--white);
}

@media (min-width: 768px) {
  .leadership-title {
    font-size: 3rem;
  }
  
  .leadership-text {
    font-size: 1.5rem;
  }
}

@media (min-width: 1024px) {
  .leadership-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8rem;
  }
}

/* ========================================
   Footer
   ======================================== */
.footer {
  background: var(--stone-50);
  padding: 6rem 0;
  border-top: 1px solid var(--stone-200);
  color: var(--stone-900);
}

.footer-container {
  max-width: 80rem;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.footer-main {
  display: flex;
  flex-direction: column;
  gap: 3rem;
  align-items: start;
}

.footer-cta {
  max-width: 42rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.footer-title {
  font-size: 2.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.footer-subtitle {
  font-size: 1.25rem;
  color: var(--stone-500);
  font-weight: 300;
  line-height: 1.6;
  margin: 0;
}

.footer-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  background: var(--stone-900);
  color: var(--white);
  border-radius: 9999px;
  font-size: 1.125rem;
  font-weight: 500;
  transition: transform var(--transition-normal);
}

.footer-btn:hover {
  transform: scale(1.05);
}

.footer-socials {
  display: flex;
  gap: 1.5rem;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  border: 1px solid var(--stone-200);
  border-radius: 9999px;
  color: var(--stone-600);
  transition: all var(--transition-normal);
}

.social-link:hover {
  border-color: var(--stone-900);
  background: var(--stone-900);
  color: var(--white);
}

.footer-bottom {
  margin-top: 6rem;
  padding-top: 2rem;
  border-top: 1px solid var(--stone-200);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  font-size: 0.875rem;
  color: var(--stone-400);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.footer-copyright {
  margin: 0;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-link {
  color: var(--stone-400);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--stone-900);
}

@media (min-width: 768px) {
  .footer-container {
    padding: 0 3rem;
  }
  
  .footer-main {
    flex-direction: row;
    justify-content: space-between;
    align-items: start;
  }
  
  .footer-title {
    font-size: 3.75rem;
  }
  
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

@media (min-width: 1024px) {
  .footer-container {
    padding: 0 6rem;
  }
}
