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

:root {
    --orange: #ff6b35;
    --dark-orange: #e85a28;
    --light-orange: #ff8c5a;
    --charcoal: #2c3e50;
    --dark-gray: #34495e;
    --light-gray: #f8f9fa;
    --white: #ffffff;
    --text: #333333;
    --text-light: #666666;
    --safari-orange: #FF8C42;
    --safari-orange-light: #FFB366;
    --safari-orange-dark: #E5661A;
    --serengeti-cream: #ffd6a8;
    --savanna-white: #FFFFFF;
    --midnight-black: #1A1A1A;
    --charcoal: #2C2C2C;
    --dust-beige: #F5F1E859;
    --acacia-gold: #D4A57459;
}

body {
    font-family: 'Ubuntu', -apple-system, BlinkMacSystemFont, 'Monserrat', sans-serif;
    line-height: 1.7;
    color: var(--text);
    background: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

h1, h2, h3 {
    font-family: 'Ubuntu', -apple-system, BlinkMacSystemFont, 'Monserrat', sans-serif;
    font-weight: 600;
    line-height: 1.3;
    color: var(--charcoal);
}

h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
}

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

h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

p {
    margin-bottom: 1rem;
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: var(--white);
    overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      135deg,
      #ffb366 0%,
      var(--acacia-gold) 35%,
      var(--dust-beige) 100%
    ),
    url("hero-bg.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}


.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    padding: 0 20px;
}

.hero h1 {
    color: var(--white);
    font-size: 5rem;
    font-weight: 700;
    letter-spacing: -2px;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-tagline {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    color: var(--light-gray);
    font-weight: 500;
}

.hero-description {
    font-size: 1.25rem;
    line-height: 1.8;
    max-width: 700px;
    margin: 0 auto;
    opacity: 0.95;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 2px solid var(--light-gray);
    padding: 1rem 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

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

.nav-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--orange);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

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

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

/* Sections */
.section {
    padding: 80px 0;
}

.section-gray {
    background: var(--light-gray);
}

.section-intro {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 800px;
    margin-bottom: 3rem;
}

/* Content Flow */
.content-flow p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    max-width: 900px;
}

/* Pipeline Flow */
.pipeline-flow {
    margin-top: 2rem;
}

.flow-step {
    padding: 0 0 40px 0;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--accent);
    max-width: 900px;
}

.flow-step:last-child {
    border-bottom: none;
}

.step-number {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--orange);
    margin-bottom: 0.75rem;
    letter-spacing: 1px;
}

.flow-step h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--charcoal);
}

.flow-step p {
    font-size: 1rem;
    color: var(--text-light);
    line-height: 1.7;
}

/* Architecture */
.architecture-details {
    margin: 3rem 0;
}

.arch-component {
    padding-bottom: 2rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--light-gray);
    max-width: 900px;
}

.arch-component:last-child {
    border-bottom: none;
}

.arch-component h3 {
    color: var(--orange);
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.arch-component p {
    color: var(--text-light);
    line-height: 1.7;
}

/* Learning Objective */
.learning-objective {
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 3px solid var(--orange);
}

.learning-objective h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.objective-details {
    margin-top: 2rem;
    max-width: 900px;
}

.objective-details p {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.formula-display {
    background: var(--charcoal);
    color: var(--white);
    padding: 30px;
    border-radius: 4px;
    margin-top: 2rem;
    max-width: 600px;
}

.formula-title {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
    opacity: 0.7;
}
.scroll-hint {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    font-family: 'Montserrat', sans-serif;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.5px;
    opacity: 1;
    pointer-events: none;
    transition: opacity 0.5s;
    z-index: 10;
}

.scroll-hint span {
    display: block;
    margin-bottom: 12px;
}

.scroll-hint.white {
    color: white;
}

.scroll-hint.white .section-arrow {
    border-left-color: white;
    border-bottom-color: white;
}

.scroll-hint.orange {
    color: var(--orange);
}

.scroll-hint.orange .section-arrow {
    border-left-color: var(--orange);
    border-bottom-color: var(--orange);
}

.section-arrow {
    width: 20px;
    height: 20px;
    border-left: 3px solid white;
    border-bottom: 3px solid white;
    transform: rotate(-45deg);
    margin: 0 auto;
    animation: bounce 2s infinite;
}

/* Bouncing animation */
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { 
        transform: rotate(-45deg) translate(0, 0); 
    }
    40% { 
        transform: rotate(-45deg) translate(7px, -7px); 
    }
    60% { 
        transform: rotate(-45deg) translate(3.5px, -3.5px); 
    }
}
.formula-display code {
    display: block;
    font-family: 'Courier New', doublespace;
    font-size: 1.125rem;
    margin: 15px 0;
    color: var(--light-orange);
}

.formula-note {
    font-size: 0.875rem;
    opacity: 0.8;
    margin-top: 15px;
}

/* Evaluation */
.eval-content {
    max-width: 900px;
}

.eval-content h3 {
    color: var(--orange);
    margin-bottom: 1rem;
    margin-top: 2rem;
}

.eval-content h3:first-child {
    margin-top: 0;
}

.eval-content p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

/* Species Tags */
.species-list {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
    margin-top: 2rem;
}

.species-tag {
    display: inline-block;
    padding: 12px 28px;
    background: var(--white);
    border: 2px solid var(--orange);
    color: var(--orange);
    font-weight: 600;
    border-radius: 30px;
    font-size: 1rem;
    transition: all 0.3s;
}

.species-tag:hover {
    background: var(--orange);
    color: var(--white);
}

/* Impact Section */
.impact-content {
    max-width: 900px;
}

.impact-item {
    padding: 0 0 30px 0;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--light-gray);
}

.impact-item:last-child {
    margin-bottom: 0;
    border-bottom: none;
}

.impact-item h3 {
    color: var(--orange);
    margin-bottom: 0.75rem;
    font-size: 1.35rem;
}

.impact-item p {
    color: var(--text-light);
    line-height: 1.7;
}

/* Vision Section */
.vision-section {
    background: var(--charcoal);
    color: var(--white);
    text-align: center;
    padding: 100px 0;
}

.vision-section h2 {
    color: var(--white);
    margin-bottom: 2rem;
}

.vision-text {
    font-size: 1.35rem;
    line-height: 1.9;
    max-width: 900px;
    margin: 0 auto;
    opacity: 0.95;
}

/* Footer */
.footer {
    background: var(--charcoal);
    color: rgba(255, 255, 255, 0.7);
    text-align: center;
    padding: 30px 0;
    border-top: 3px solid var(--orange);
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Responsive */
@media (max-width: 968px) {
    .container {
        padding: 0 30px;
    }

    h1 {
        font-size: 3rem;
    }

    h2 {
        font-size: 2rem;
    }

    .hero h1 {
        font-size: 3.5rem;
    }

    .nav-links {
        gap: 1rem;
    }
}

@media (max-width: 640px) {
    h1 {
        font-size: 2.5rem;
    }

    .hero h1 {
        font-size: 2.75rem;
    }

    .hero-tagline {
        font-size: 1.25rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .section {
        padding: 60px 0;
    }

    .nav-links {
        display: none;
    }
}
/* Video Grid Styles */
.video-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.video-card {
    background: var(--savanna-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

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

.video-container {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    height: 0;
    overflow: hidden;
    background: #000;
}

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

.video-caption {
    padding: 15px;
    font-size: 0.95rem;
    color: var(--text-light);
    font-style: italic;
    text-align: center;
    border-top: 1px solid var(--light-gray);
}

/* Mobile Responsive adjustment for Video Grid */
@media (max-width: 768px) {
    .video-grid {
        grid-template-columns: 1fr;
    }
}
.list {
  padding-left: 20px;
  position: relative;
}

.list::before {
  content: "•";
  position: absolute;
  left: 0;
  color: rgb(35, 35, 35);
}
.quote-block {
  background: #f8f0e6;
  color: var(--midnight-black);
  padding: 30px;
  border-radius: 6px;
  margin: 40px 0;
  max-width: 900px;
  border-left: 4px solid var(--safari-orange);
}

.quote-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  opacity: 0.6;
  margin-bottom: 12px;
}

.quote-text {
  font-size: 1.2rem;
  line-height: 1.8;
  margin: 0 0 16px 0;
  font-style: italic;
}

.quote-author {
  font-size: 0.95rem;
  color: var(--charcoal);
  font-weight: 600;
}