/* Sentaya AI - Futuristic Black/White/Neon Green Design */

/* CSS Variables */
:root {
    --primary-black: #000000;
    --secondary-black: #0a0a0a;
    --dark-gray: #1a1a1a;
    --medium-gray: #2a2a2a;
    --light-gray: #3a3a3a;
    --white: #ffffff;
    --neon-green: #9fc90a;
    --neon-green-dark: #7fa008;
    --neon-green-light: #b5e01a;
    --accent-line: #9fc90a;
    
    --font-primary: 'Oxanium', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Oxanium', sans-serif;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    color: var(--neon-green);
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--medium-gray);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(0, 0, 0, 0.98);
    box-shadow: 0 4px 20px rgba(159, 201, 10, 0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.logo-image {
    height: 55px;
    max-width: 280px;
    object-fit: contain;
    transition: var(--transition);
}

.logo-image:hover {
    opacity: 0.8;
    transform: scale(1.05);
}

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

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

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--neon-green);
    transition: width 0.3s ease;
}

.nav-menu a:hover {
    color: var(--neon-green);
}

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

.nav-cta {
    display: flex;
    align-items: center;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--white);
    transition: var(--transition);
}

/* Buttons */
.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 4px;
    transition: var(--transition);
    font-size: 1rem;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--neon-green);
    color: var(--primary-black);
}

.btn-primary:hover {
    background: var(--neon-green-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(159, 201, 10, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--neon-green);
}

.btn-secondary:hover {
    background: var(--neon-green);
    color: var(--primary-black);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.1rem;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 0 4rem;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.video-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(159, 201, 10, 0.03) 2px, rgba(159, 201, 10, 0.03) 4px),
        repeating-linear-gradient(90deg, transparent, transparent 2px, rgba(159, 201, 10, 0.03) 2px, rgba(159, 201, 10, 0.03) 4px);
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 30%, rgba(159, 201, 10, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 70%, rgba(159, 201, 10, 0.08) 0%, transparent 50%);
    animation: float 15s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(30px, -30px) scale(1.1); }
}

.diagonal-overlay {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(135deg, transparent 0%, rgba(159, 201, 10, 0.05) 100%);
    clip-path: polygon(100% 0, 100% 100%, 0 0);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(159, 201, 10, 0.1);
    border: 1px solid var(--neon-green);
    border-radius: 4px;
    margin-bottom: 2rem;
    font-size: 0.9rem;
    color: var(--neon-green);
}

.badge-icon {
    color: var(--neon-green);
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.title-line {
    display: block;
}

.highlight {
    color: var(--neon-green);
    position: relative;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--neon-green);
    transform: scaleX(0);
    animation: underlineExpand 1s ease-out 0.5s forwards;
}

@keyframes underlineExpand {
    to { transform: scaleX(1); }
}

.hero-subtitle {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 3rem;
    line-height: 1.6;
    font-weight: 400;
}

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

.feature-badge {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--medium-gray);
    border-radius: 4px;
    transition: var(--transition);
}

.feature-badge:hover {
    background: rgba(159, 201, 10, 0.05);
    border-color: var(--neon-green);
    transform: translateX(5px);
}

.feature-badge i {
    color: var(--neon-green);
    font-size: 1.2rem;
}

.feature-badge span {
    color: var(--white);
    font-size: 0.95rem;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
    animation: bounce 2s infinite;
}

.scroll-line {
    width: 2px;
    height: 30px;
    background: var(--neon-green);
    animation: scrollLine 2s infinite;
}

@keyframes scrollLine {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(10px); opacity: 0; }
}

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

/* Section Styles */
section {
    padding: 8rem 0;
    position: relative;
}

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

.section-label {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: rgba(159, 201, 10, 0.1);
    border: 1px solid var(--neon-green);
    border-radius: 4px;
    color: var(--neon-green);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 3rem;
    font-weight: 800;
    color: var(--neon-green);
    margin-bottom: 0;
}

.lead-text {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

/* Diagonal Separator */
.diagonal-separator {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(135deg, var(--primary-black) 0%, var(--primary-black) 50%, transparent 50%);
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 80%);
    z-index: 1;
}

.diagonal-separator::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--neon-green), transparent);
}

.diagonal-separator.reverse {
    top: 0;
    bottom: auto;
    clip-path: polygon(0 20%, 100% 0, 100% 100%, 0 100%);
}

.diagonal-separator.reverse::after {
    top: 0;
    bottom: auto;
}

/* Challenge Section */
.challenge {
    background: var(--secondary-black);
    position: relative;
    padding: 8rem 0;
}

.challenge-block {
    margin-bottom: 6rem;
    padding: 3rem 0;
    border-bottom: 1px solid var(--medium-gray);
}

.challenge-block:last-of-type {
    border-bottom: none;
}

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

.block-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--neon-green);
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.block-text p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.highlight-text {
    color: var(--neon-green);
    font-weight: 600;
    font-size: 1.15rem;
    margin-top: 1.5rem;
    padding-left: 1.5rem;
    border-left: 3px solid var(--neon-green);
}

/* Block A: Sensor Data */
.sensor-examples {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2rem;
}

.sensor-example {
    padding: 1rem 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--medium-gray);
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.sensor-name {
    color: var(--neon-green);
    font-weight: 600;
    font-size: 0.95rem;
}

.sensor-specs {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.chart-container {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--medium-gray);
    border-radius: 4px;
    padding: 2rem;
    margin-bottom: 2rem;
}

.chart-container h4 {
    font-size: 1.1rem;
    color: var(--neon-green);
    margin-bottom: 1.5rem;
    text-align: center;
}

#sensorGrowthChart {
    width: 100%;
    height: 250px;
    display: block;
}

.chart-legend {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1rem;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.legend-color {
    width: 20px;
    height: 3px;
    display: inline-block;
}

.legend-item.sensor .legend-color {
    background: var(--neon-green);
}

.legend-item.codec .legend-color {
    background: rgba(255, 255, 255, 0.3);
}

.pictogram-strip {
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--medium-gray);
    border-radius: 4px;
}

.pictogram-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    position: relative;
}

.pictogram-item i {
    font-size: 2.5rem;
    color: var(--neon-green);
}

.data-stream {
    width: 3px;
    height: 40px;
    background: linear-gradient(180deg, var(--neon-green), transparent);
    position: relative;
    animation: streamFlow 2s ease-in-out infinite;
}

.data-stream::before,
.data-stream::after {
    content: '';
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--neon-green);
    border-radius: 50%;
    left: 50%;
    transform: translateX(-50%);
    animation: streamPulse 2s ease-in-out infinite;
}

.data-stream::before {
    top: -4px;
    animation-delay: 0s;
}

.data-stream::after {
    bottom: -4px;
    animation-delay: 1s;
}

@keyframes streamFlow {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

@keyframes streamPulse {
    0%, 100% { opacity: 0; transform: translateX(-50%) scale(0.5); }
    50% { opacity: 1; transform: translateX(-50%) scale(1); }
}

/* Block B: Inter-Frame */
.problem-list {
    list-style: none;
    margin: 1.5rem 0;
}

.problem-list li {
    padding: 0.75rem 0;
    padding-left: 1.5rem;
    color: rgba(255, 255, 255, 0.8);
    position: relative;
}

.problem-list li::before {
    content: '✗';
    position: absolute;
    left: 0;
    color: rgba(255, 100, 100, 0.8);
    font-weight: bold;
}

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

.diagram-item {
    padding: 2rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--medium-gray);
    border-radius: 4px;
}

.diagram-item.traditional {
    border-color: rgba(255, 100, 100, 0.5);
}

.diagram-item.sentaya {
    border: 2px solid var(--neon-green);
    box-shadow: 0 0 20px rgba(159, 201, 10, 0.2);
}

.diagram-item h4 {
    font-size: 1rem;
    margin-bottom: 1.5rem;
    text-align: center;
    color: var(--neon-green);
}

.frame-chain {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.frame-independent {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
}

.frame {
    padding: 1rem;
    background: var(--dark-gray);
    border: 2px solid var(--medium-gray);
    border-radius: 4px;
    text-align: center;
    color: var(--white);
    font-weight: 600;
    font-size: 0.9rem;
}

.diagram-item.traditional .frame {
    border-color: rgba(255, 100, 100, 0.5);
}

.diagram-item.sentaya .frame {
    border-color: var(--neon-green);
    background: rgba(159, 201, 10, 0.1);
}

.arrow {
    color: rgba(255, 255, 255, 0.5);
    font-size: 1.5rem;
}

.diagram-caption {
    text-align: center;
    color: rgba(255, 100, 100, 0.8);
    font-size: 0.85rem;
    font-style: italic;
    margin-top: 1rem;
}

/* Block C: Latency */
.mission-types {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin: 1.5rem 0;
}

.mission-tag {
    padding: 0.5rem 1rem;
    background: rgba(159, 201, 10, 0.1);
    border: 1px solid var(--neon-green);
    border-radius: 4px;
    color: var(--neon-green);
    font-size: 0.9rem;
    font-weight: 500;
}

.latency-chart-container {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--medium-gray);
    border-radius: 4px;
    padding: 2rem;
}

.latency-chart-container h4 {
    font-size: 1.1rem;
    color: var(--neon-green);
    margin-bottom: 2rem;
    text-align: center;
}

.latency-chart {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.latency-bar {
    position: relative;
    height: 50px;
    background: var(--dark-gray);
    border-radius: 4px;
    overflow: visible;
    border: 1px solid var(--medium-gray);
    display: flex;
    align-items: center;
    padding: 0 1rem;
}

.latency-bar.sentaya {
    border: 2px solid var(--neon-green);
    box-shadow: 0 0 15px rgba(159, 201, 10, 0.3);
}

.latency-bar .bar-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    border-radius: 4px;
    width: 0;
    z-index: 1;
}

.latency-bar:not(.sentaya) .bar-fill {
    background: rgba(255, 255, 255, 0.3);
}

.latency-bar.sentaya .bar-fill {
    background: linear-gradient(90deg, var(--neon-green), var(--neon-green-light));
}

.latency-bar::before {
    content: attr(data-label);
    position: absolute;
    left: 1rem;
    color: var(--white);
    font-weight: 500;
    z-index: 2;
}

.latency-bar .bar-value {
    position: relative;
    z-index: 2;
    margin-left: auto;
    color: var(--white);
    font-weight: 600;
}

.threshold-line {
    position: relative;
    height: 2px;
    background: rgba(255, 100, 100, 0.5);
    margin-top: 1rem;
}

.threshold-line::before {
    content: '';
    position: absolute;
    left: 0;
    top: -8px;
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-top: 8px solid rgba(255, 100, 100, 0.5);
}

.threshold-label {
    position: absolute;
    right: 0;
    top: -25px;
    color: rgba(255, 100, 100, 0.8);
    font-size: 0.8rem;
    font-weight: 500;
}

/* Block D: Before/After */
.before-after-container {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--medium-gray);
    border-radius: 4px;
    padding: 2rem;
}

.before-after-container h4 {
    font-size: 1.1rem;
    color: var(--neon-green);
    margin-bottom: 2rem;
    text-align: center;
}

.before-after-slider {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 1rem;
    align-items: center;
}

.image-placeholder {
    position: relative;
    height: 300px;
    background: var(--dark-gray);
    border: 2px solid var(--medium-gray);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.image-placeholder.traditional {
    border-color: rgba(255, 100, 100, 0.5);
}

.image-placeholder.sentaya {
    border: 2px solid var(--neon-green);
    box-shadow: 0 0 20px rgba(159, 201, 10, 0.2);
}

.artifact-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.artifact {
    position: absolute;
    background: rgba(0, 0, 0, 0.5);
    border: 2px solid rgba(255, 100, 100, 0.5);
}

.artifact-1 {
    width: 80px;
    height: 60px;
    top: 20%;
    left: 20%;
    border-radius: 2px;
}

.artifact-2 {
    width: 60px;
    height: 80px;
    top: 50%;
    right: 25%;
    border-radius: 2px;
}

.artifact-3 {
    width: 100px;
    height: 40px;
    bottom: 30%;
    left: 40%;
    border-radius: 2px;
}

.detail-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.3;
}

.detail-line {
    position: absolute;
    height: 2px;
    background: var(--neon-green);
    box-shadow: 0 0 4px var(--neon-green);
}

.detail-line:nth-child(1) {
    width: 60%;
    top: 30%;
    left: 20%;
    transform: rotate(5deg);
}

.detail-line:nth-child(2) {
    width: 50%;
    top: 60%;
    right: 15%;
    transform: rotate(-3deg);
}

.detail-line:nth-child(3) {
    width: 70%;
    bottom: 25%;
    left: 15%;
    transform: rotate(2deg);
}

.image-placeholder .label {
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    color: var(--white);
    font-size: 0.9rem;
    font-weight: 500;
    background: rgba(0, 0, 0, 0.7);
    padding: 0.5rem 1rem;
    border-radius: 4px;
}

.slider-control {
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-handle {
    width: 50px;
    height: 50px;
    background: var(--neon-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-black);
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
}

.slider-handle:hover {
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(159, 201, 10, 0.5);
}

/* Block E: Architecture */
.system-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin: 2rem 0;
}

.feature-column {
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--medium-gray);
    border-radius: 4px;
}

.feature-column.old {
    border-color: rgba(255, 255, 255, 0.2);
}

.feature-column.new {
    border: 2px solid var(--neon-green);
}

.feature-column h4 {
    font-size: 1.1rem;
    color: var(--neon-green);
    margin-bottom: 1rem;
}

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

.feature-column li {
    padding: 0.5rem 0;
    color: rgba(255, 255, 255, 0.7);
    padding-left: 1.5rem;
    position: relative;
}

.feature-column li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--neon-green);
}

.architecture-diagram {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--medium-gray);
    border-radius: 4px;
}

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

.arch-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.7);
}

.arch-item i {
    font-size: 2.5rem;
    color: rgba(255, 255, 255, 0.5);
}

.arch-arrow {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.5);
}

.arch-pipeline {
    padding: 1rem 1.5rem;
    background: var(--dark-gray);
    border: 1px solid var(--medium-gray);
    border-radius: 4px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    text-align: center;
}

.arch-pipeline.modern {
    border-color: var(--neon-green);
}

.sentaya-highlight {
    color: var(--neon-green);
    font-weight: 600;
}

.arch-sensors {
    display: flex;
    gap: 1rem;
}

.sensor-icon {
    padding: 0.75rem 1rem;
    background: rgba(159, 201, 10, 0.1);
    border: 1px solid var(--neon-green);
    border-radius: 4px;
    color: var(--neon-green);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Block F: Energy */
.energy-comparison {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--medium-gray);
    border-radius: 4px;
    padding: 2rem;
}

.energy-comparison h4 {
    font-size: 1.1rem;
    color: var(--neon-green);
    margin-bottom: 2rem;
    text-align: center;
}

.battery-row {
    display: flex;
    justify-content: space-around;
    align-items: flex-end;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.battery-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.battery-item.sentaya {
    transform: scale(1.1);
}

.battery-label {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
    font-weight: 500;
}

.battery-item.sentaya .battery-label {
    color: var(--neon-green);
    font-weight: 600;
}

.battery {
    width: 40px;
    height: 80px;
    border: 3px solid var(--medium-gray);
    border-radius: 4px;
    position: relative;
    background: var(--dark-gray);
    overflow: hidden;
}

.battery-item.sentaya .battery {
    border-color: var(--neon-green);
    box-shadow: 0 0 15px rgba(159, 201, 10, 0.3);
}

.battery::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 12px;
    height: 6px;
    background: var(--medium-gray);
    border-radius: 2px 2px 0 0;
}

.battery-item.sentaya .battery::before {
    background: var(--neon-green);
}

.battery-level {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    border-radius: 0 0 1px 1px;
    transition: height 1s ease-out;
}

.battery-level.low {
    height: 20%;
    background: rgba(255, 100, 100, 0.8);
}

.battery-level.medium {
    height: 45%;
    background: rgba(255, 200, 100, 0.8);
}

.battery-level.high {
    height: 90%;
    background: linear-gradient(180deg, var(--neon-green), var(--neon-green-light));
}

.energy-caption {
    text-align: center;
    color: var(--neon-green);
    font-weight: 600;
    font-size: 1rem;
    margin-top: 1rem;
}

/* Challenge Closing */
.challenge-closing {
    margin-top: 4rem;
    padding: 3rem;
    background: rgba(159, 201, 10, 0.05);
    border: 2px solid var(--neon-green);
    border-radius: 4px;
    text-align: center;
}

.closing-text {
    font-size: 1.5rem;
    color: var(--white);
    font-weight: 600;
    line-height: 1.6;
    margin: 0;
}

/* Solution Section */
.solution {
    background: var(--primary-black);
}

.solution-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
}

.solution-card {
    padding: 3rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--medium-gray);
    border-radius: 4px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(159, 201, 10, 0.1), transparent);
    transition: left 0.6s ease;
}

.solution-card:hover::before {
    left: 100%;
}

.solution-card:hover {
    border-color: var(--neon-green);
    transform: translateY(-5px);
}

.card-icon {
    width: 80px;
    height: 80px;
    background: rgba(159, 201, 10, 0.1);
    border: 2px solid var(--neon-green);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
}

.card-icon i {
    font-size: 2rem;
    color: var(--neon-green);
}

.solution-card h3 {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    color: var(--neon-green);
}

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

.feature-list li {
    padding: 0.75rem 0;
    color: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.feature-list i {
    color: var(--neon-green);
    font-size: 0.9rem;
}

.solution-icons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.icon-item {
    text-align: center;
}

.icon-circle {
    width: 80px;
    height: 80px;
    margin: 0 auto 1rem;
    background: rgba(159, 201, 10, 0.1);
    border: 2px solid var(--neon-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.icon-item:hover .icon-circle {
    background: var(--neon-green);
    transform: scale(1.1);
}

.icon-circle i {
    font-size: 1.5rem;
    color: var(--neon-green);
    transition: var(--transition);
}

.icon-item:hover .icon-circle i {
    color: var(--primary-black);
}

.icon-item span {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

/* Value Proposition */
.value-prop {
    background: var(--secondary-black);
    position: relative;
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
}

.value-item {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--medium-gray);
    border-radius: 4px;
    transition: var(--transition);
}

.value-item:hover {
    border-color: var(--neon-green);
    transform: translateY(-5px);
}

.value-number {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--neon-green);
    font-family: var(--font-display);
    margin-bottom: 0.5rem;
}

.value-number i {
    font-size: 2.5rem;
}

.value-label {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
}

.standout-visual {
    margin-top: 4rem;
}

.standout-box {
    padding: 3rem;
    background: linear-gradient(135deg, rgba(159, 201, 10, 0.1), rgba(159, 201, 10, 0.05));
    border: 2px solid var(--neon-green);
    border-radius: 4px;
    position: relative;
    overflow: hidden;
}

.standout-box::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(159, 201, 10, 0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.standout-content {
    position: relative;
    z-index: 1;
}

.standout-content h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--neon-green);
}

.standout-content p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
}

/* Comparison Section */
.comparison {
    background: var(--primary-black);
}

.comparison-charts {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4rem;
}

.chart-container {
    padding: 2rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--medium-gray);
    border-radius: 4px;
}

.chart-container h3 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--neon-green);
    text-align: center;
}

.bar-chart {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.chart-bar {
    position: relative;
    height: 50px;
    background: var(--dark-gray);
    border-radius: 4px;
    overflow: hidden;
    border: 1px solid var(--medium-gray);
    display: flex;
    align-items: center;
    padding: 0 1rem;
    margin-bottom: 0.5rem;
}

.chart-bar.sentaya {
    border: 2px solid var(--neon-green);
    box-shadow: 0 0 20px rgba(159, 201, 10, 0.3);
}

.chart-bar .bar-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    border-radius: 4px;
    width: 0;
    z-index: 1;
}

.chart-bar .bar-fill.h265 { background: rgba(255, 255, 255, 0.3); }
.chart-bar .bar-fill.h266 { background: rgba(255, 255, 255, 0.4); }
.chart-bar .bar-fill.av1 { background: rgba(255, 255, 255, 0.5); }
.chart-bar .bar-fill.vnova { background: rgba(255, 255, 255, 0.6); }
.chart-bar .bar-fill.deeprender { background: rgba(255, 255, 255, 0.7); }
.chart-bar .bar-fill.sentaya { background: linear-gradient(90deg, var(--neon-green), var(--neon-green-light)); }

.bar-value {
    position: relative;
    z-index: 2;
    color: var(--white);
    font-weight: 600;
    margin-left: auto;
    padding-left: 0.5rem;
    text-align: right;
    white-space: nowrap;
}

.chart-bar::before {
    content: attr(data-label);
    position: absolute;
    left: 1rem;
    color: var(--white);
    font-weight: 500;
    z-index: 2;
}

.latency-note {
    margin-top: 1.5rem;
    padding: 1rem;
    background: rgba(159, 201, 10, 0.1);
    border: 1px solid var(--neon-green);
    border-radius: 4px;
    text-align: center;
}

.latency-note p {
    margin: 0;
    color: var(--white);
    font-size: 0.9rem;
}

.latency-note strong {
    color: var(--neon-green);
}

/* Applications Section */
.applications {
    background: var(--secondary-black);
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
}

.application-category {
    padding: 2.5rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--medium-gray);
    border-radius: 4px;
}

.category-title {
    font-size: 1.75rem;
    margin-bottom: 2rem;
    color: var(--neon-green);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.category-title i {
    color: var(--neon-green);
    font-size: 1.5rem;
}

.application-items {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.app-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--medium-gray);
    border-radius: 4px;
    transition: var(--transition);
}

.app-item:hover {
    border-color: var(--neon-green);
    transform: translateX(5px);
}

.app-item i {
    color: var(--neon-green);
    font-size: 1.2rem;
    min-width: 24px;
}

.app-item span {
    color: rgba(255, 255, 255, 0.8);
}

/* Market Size */
.market-size {
    background: var(--primary-black);
    position: relative;
}

.market-chart {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.market-bar {
    position: relative;
    height: 80px;
    background: var(--dark-gray);
    border-radius: 4px;
    overflow: hidden;
    border: 1px solid var(--medium-gray);
    display: flex;
    align-items: center;
    padding: 0 2rem;
}

.market-bar.consumer .bar-content {
    background: linear-gradient(90deg, var(--neon-green), var(--neon-green-light));
    width: 0;
    animation: fillBar 2s ease-out 0.3s forwards;
}

.market-bar.defence .bar-content {
    background: linear-gradient(90deg, var(--neon-green-dark), var(--neon-green));
    width: 0;
    animation: fillBar 2s ease-out 0.6s forwards;
}

.market-bar.other .bar-content {
    background: linear-gradient(90deg, rgba(159, 201, 10, 0.6), rgba(159, 201, 10, 0.8));
    width: 0;
    animation: fillBar 2s ease-out 0.9s forwards;
}

.bar-content {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    width: 100%;
}

.bar-label {
    color: var(--primary-black);
    font-weight: 700;
    font-size: 1.1rem;
}

.bar-amount {
    color: var(--primary-black);
    font-weight: 800;
    font-size: 1.5rem;
    font-family: var(--font-display);
}

.market-total {
    text-align: center;
    padding: 2rem;
    background: rgba(159, 201, 10, 0.1);
    border: 2px solid var(--neon-green);
    border-radius: 4px;
}

.total-label {
    display: block;
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.total-value {
    display: block;
    color: var(--neon-green);
    font-size: 3rem;
    font-weight: 900;
    font-family: var(--font-display);
}

/* Roadmap */
.roadmap {
    background: var(--secondary-black);
}

.timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding-left: 3rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--medium-gray);
}

.timeline-item {
    position: relative;
    padding: 2rem 0 2rem 3rem;
    border-left: 2px solid var(--medium-gray);
    margin-left: -3rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -8px;
    top: 2.5rem;
    width: 16px;
    height: 16px;
    background: var(--medium-gray);
    border: 3px solid var(--primary-black);
    border-radius: 50%;
    transition: var(--transition);
}

.timeline-item:hover::before {
    background: var(--neon-green);
    box-shadow: 0 0 20px rgba(159, 201, 10, 0.5);
}

.timeline-item.highlight {
    border-left-color: var(--neon-green);
}

.timeline-item.highlight::before {
    background: var(--neon-green);
    box-shadow: 0 0 20px rgba(159, 201, 10, 0.5);
}

.timeline-year {
    position: absolute;
    left: -6rem;
    top: 2rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--neon-green);
    font-family: var(--font-display);
}

.timeline-content {
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--medium-gray);
    border-radius: 4px;
    transition: var(--transition);
}

.timeline-item:hover .timeline-content {
    border-color: var(--neon-green);
    transform: translateX(10px);
}

.timeline-content h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--neon-green);
}

.timeline-content p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

.highlight-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--neon-green);
    color: var(--primary-black);
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-top: 0.5rem;
}

/* Fundraising */
.fundraising {
    background: var(--primary-black);
}

.fundraising-content {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.funding-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 3rem 0;
}

.funding-item {
    padding: 2rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--medium-gray);
    border-radius: 4px;
    transition: var(--transition);
    text-align: center;
}

.funding-item:hover {
    border-color: var(--neon-green);
    transform: translateY(-5px);
}

.funding-item i {
    font-size: 2rem;
    color: var(--neon-green);
    margin-bottom: 1rem;
}

.funding-item h4 {
    font-size: 1rem;
    color: var(--neon-green);
    font-weight: 600;
}

.fundraising-cta {
    margin-top: 3rem;
}

/* Founders */
.founders {
    background: var(--secondary-black);
    position: relative;
}

.founders-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.founder-card {
    padding: 2.5rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--medium-gray);
    border-radius: 4px;
    transition: var(--transition);
}

.founder-card:hover {
    border-color: var(--neon-green);
    transform: translateY(-5px);
}

.founder-image {
    margin-bottom: 2rem;
}

.image-placeholder {
    width: 150px;
    height: 150px;
    background: rgba(159, 201, 10, 0.1);
    border: 2px solid var(--neon-green);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

.image-placeholder i {
    font-size: 4rem;
    color: var(--neon-green);
}

.founder-info {
    text-align: center;
}

.founder-info h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--neon-green);
}

.founder-role {
    color: var(--neon-green);
    font-weight: 600;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.founder-credentials {
    list-style: none;
    text-align: left;
}

.founder-credentials li {
    padding: 0.75rem 0;
    color: rgba(255, 255, 255, 0.7);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.95rem;
}

.founder-credentials i {
    color: var(--neon-green);
    min-width: 20px;
}

/* Validation */
.validation {
    background: var(--primary-black);
}

.validation-content {
    text-align: center;
}

.validation-items {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
}

.validation-item {
    padding: 2rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--medium-gray);
    border-radius: 4px;
    transition: var(--transition);
}

.validation-item:hover {
    border-color: var(--neon-green);
    transform: translateY(-5px);
}

.validation-item i {
    font-size: 2.5rem;
    color: var(--neon-green);
    margin-bottom: 1rem;
}

.validation-item h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--neon-green);
}

.validation-item p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

.validation-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.partner-logo-item {
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--medium-gray);
    border-radius: 4px;
    transition: var(--transition);
}

.partner-logo-item:hover {
    border-color: var(--neon-green);
    transform: scale(1.05);
}

.partner-logo {
    height: 60px;
    max-width: 200px;
    object-fit: contain;
    filter: grayscale(100%) brightness(0.8);
    transition: var(--transition);
}

.partner-logo-item:hover .partner-logo {
    filter: grayscale(0%) brightness(1);
}

/* Contact */
.contact {
    background: var(--secondary-black);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.contact-card {
    padding: 2.5rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--medium-gray);
    border-radius: 4px;
    transition: var(--transition);
    text-align: center;
}

.contact-card:hover {
    border-color: var(--neon-green);
    transform: translateY(-5px);
}

.contact-header {
    margin-bottom: 2rem;
}

.contact-header i {
    font-size: 2.5rem;
    color: var(--neon-green);
    margin-bottom: 1rem;
}

.contact-header h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--neon-green);
}

.contact-role {
    color: var(--neon-green);
    font-weight: 600;
}

.contact-details {
    display: flex;
        flex-direction: column;
    gap: 1rem;
    }
    
.contact-link {
        display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 4px;
    transition: var(--transition);
}

.contact-link:hover {
    color: var(--neon-green);
    background: rgba(159, 201, 10, 0.1);
}

.contact-link i {
    color: var(--neon-green);
}

.contact-cta {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

/* Footer */
.footer {
    background: var(--primary-black);
    border-top: 1px solid var(--medium-gray);
    padding: 3rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
        gap: 2rem;
    margin-bottom: 2rem;
    align-items: center;
}

.footer-logo {
    text-align: left;
}

.footer-logo .logo-image {
    height: 45px;
    max-width: 250px;
}

.footer-address {
    text-align: center;
}

.footer-address p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.footer-social {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--medium-gray);
    border-radius: 4px;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    border-color: var(--neon-green);
    color: var(--neon-green);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--medium-gray);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
    margin: 0;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3.5rem;
    }
    
    .challenge-content,
    .solution-grid,
    .comparison-charts,
    .applications-grid,
    .founders-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .value-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .solution-icons {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(0, 0, 0, 0.98);
        flex-direction: column;
        padding: 2rem;
        border-top: 1px solid var(--medium-gray);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-cta {
        display: none;
    }
    
    .logo-image {
        height: 40px;
        max-width: 180px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-features {
        grid-template-columns: 1fr;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .block-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .block-title {
        font-size: 1.5rem;
    }
    
    .comparison-diagram {
        grid-template-columns: 1fr;
    }
    
    .before-after-slider {
        grid-template-columns: 1fr;
    }
    
    .slider-control {
        order: -1;
        margin: 1rem 0;
    }
    
    .architecture-diagram {
        grid-template-columns: 1fr;
    }
    
    .system-features {
        grid-template-columns: 1fr;
    }
    
    .battery-row {
        flex-wrap: wrap;
        gap: 1rem;
    }
    
    .pictogram-strip {
        flex-wrap: wrap;
        gap: 1.5rem;
    }
    
    .closing-text {
        font-size: 1.25rem;
    }
    
    .value-grid {
        grid-template-columns: 1fr;
    }
    
    .validation-items {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-social {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero {
        padding: 6rem 0 2rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    section {
        padding: 4rem 0;
    }
}