html {
    scroll-behavior: smooth;
}

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

:root {
    --about-bg: var(--color-bg-base, #0A0A0B);
    --about-bg-secondary: var(--color-bg-surface, #111113);
    --about-text-primary: #ffffff;
    --about-text-secondary: rgba(255, 255, 255, 0.7);
    --about-text-muted: rgba(255, 255, 255, 0.5);
    --about-border: rgba(255, 255, 255, 0.1);
    --about-green: var(--color-brand-primary, #3AAFD4);
    --about-purple: var(--color-brand-secondary, #3AAFD4);
    --about-gradient: linear-gradient(135deg, var(--color-brand-primary, #3AAFD4) 0%, var(--color-brand-secondary, #3AAFD4) 100%);
}

body.about-page {
    font-family: 'Manrope', -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', sans-serif;
    background: var(--about-bg);
    color: var(--about-text-primary);
    line-height: 1.5;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.about-main {
    position: relative;
    z-index: 1;
}

.about-section {
    position: relative;
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 120px 60px;
    overflow: hidden;
}

.about-section-inner {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.about-headline {
    font-size: clamp(48px, 8vw, 96px);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
    background: linear-gradient(135deg, #ffffff 0%, rgba(255, 255, 255, 0.85) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-headline-inline {
    white-space: nowrap;
}

.about-section-human .about-headline {
    font-size: clamp(32px, 5vw, 56px);
}

.gradient-text-blue {
    background: linear-gradient(135deg, #5ECAF0 0%, #ffffff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-subheadline {
    font-size: clamp(18px, 2vw, 24px);
    font-weight: 500;
    color: var(--about-text-secondary);
    line-height: 1.5;
    margin-bottom: 16px;
}

.about-body {
    font-size: clamp(16px, 1.5vw, 20px);
    color: var(--about-text-muted);
    line-height: 1.7;
    max-width: 700px;
}

.about-fade-in {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.about-hero {
    min-height: 100vh;
    padding-top: 100px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
}

.about-hero-content {
    position: relative;
    z-index: 2;
    max-width: 1000px;
    padding: 0 40px;
}

.about-hero .about-headline {
    font-size: clamp(48px, 10vw, 120px);
    margin-bottom: 32px;
}

.about-hero .about-subheadline {
    font-size: clamp(18px, 2.5vw, 28px);
    max-width: 800px;
    margin: 0 auto;
}

.about-hero-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.about-section-human {
    background: transparent;
    padding: 60px 60px 160px;
}

.about-human-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-human-text {
    max-width: 500px;
}

.about-human-canvas-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    max-width: 450px;
}

.about-human-canvas {
    width: 100%;
    height: 100%;
}

.about-section-video {
    background: transparent;
    text-align: center;
    padding: 160px 0;
}

.about-section-video .about-section-inner {
    max-width: 100%;
    padding: 0;
}

.about-video-wrapper {
    margin-top: 60px;
    max-width: 100%;
    width: 100%;
    aspect-ratio: 16/9;
    background: rgba(26, 26, 30, 0.8);
    border-radius: 0;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: box-shadow 0.3s ease;
}

.about-video-wrapper:hover {
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.about-video-wrapper::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(58, 175, 212, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.about-play-button {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.about-video-wrapper:hover .about-play-button {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: scale(1.1);
}

.about-play-button svg {
    width: 30px;
    height: 30px;
    fill: white;
    margin-left: 4px;
}

.about-section-automation {
    background: transparent;
    padding: 160px 60px;
}

.about-automation-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-automation-text {
    max-width: 550px;
}

.about-callouts {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 40px;
}

.about-callout {
    font-size: 18px;
    font-weight: 500;
    color: var(--about-text-primary);
    padding-left: 24px;
    position: relative;
}

.about-callout::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--about-gradient);
}

.about-network-canvas-wrapper {
    width: 100%;
    aspect-ratio: 1;
    max-width: 500px;
    position: relative;
}

.about-network-canvas {
    width: 100%;
    height: 100%;
}

.about-section-responsibility {
    background: var(--about-bg);
    padding: 160px 60px;
    text-align: center;
}

.about-responsibility-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-responsibility-points {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 80px;
}

.about-point {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    padding: 40px 30px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 20px;
    border: 1px solid var(--about-border);
    transition: border-color 0.3s ease, background 0.3s ease;
}

.about-point:hover {
    border-color: rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.04);
}

.about-point-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.05);
}

.about-point-icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--about-green);
    stroke-width: 1.5;
    fill: none;
}

.about-point-text {
    font-size: 18px;
    font-weight: 500;
    color: var(--about-text-primary);
}

.about-section-closing {
    background: linear-gradient(180deg, var(--about-bg) 0%, var(--color-bg-base, #0A0A0B) 100%);
    padding: 160px 60px 200px;
    text-align: center;
    position: relative;
    min-height: 100vh;
}

.about-closing-content {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.about-closing-canvas {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: min(400px, 90vw);
    height: min(400px, 90vw);
    pointer-events: none;
    opacity: 0.6;
}

.about-gradient-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: linear-gradient(to top, var(--about-bg) 0%, transparent 100%);
    pointer-events: none;
    z-index: 10;
    display: none;
}

.about-footer {
    padding: 40px 60px 60px;
    background: var(--color-bg-surface, #111113);
}

.about-footer-line {
    height: 1px;
    background: rgba(255, 255, 255, 0.25);
    margin-bottom: 40px;
}

.about-footer-links {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.about-footer-links a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s ease;
}

.about-footer-links a:hover {
    color: rgba(255, 255, 255, 0.9);
}

@media (max-width: 1024px) {
    .about-section {
        padding: 100px 40px;
    }
    
    .about-human-content,
    .about-automation-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .about-human-text,
    .about-automation-text {
        max-width: 100%;
        text-align: center;
    }
    
    .about-human-canvas-wrapper,
    .about-network-canvas-wrapper {
        margin: 0 auto;
    }
    
    .about-callouts {
        align-items: center;
    }
    
    .about-responsibility-points {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 80px auto 0;
    }
    
    .about-headline-inline {
        white-space: normal;
    }
    
    .about-section-video {
        padding: 100px 0;
    }
    
    .about-section-video .about-section-inner {
        padding: 0 40px;
    }
}

@media (max-width: 768px) {
    .about-section {
        padding: 80px 24px;
    }
    
    .about-headline {
        font-size: clamp(36px, 10vw, 60px);
    }
    
    .about-hero .about-headline {
        font-size: clamp(36px, 12vw, 72px);
    }
    
    .about-subheadline {
        font-size: 18px;
    }
    
    .about-body {
        font-size: 16px;
    }
    
    .about-responsibility-points {
        gap: 24px;
    }
    
    .about-play-button {
        width: 60px;
        height: 60px;
    }
    
    .about-play-button svg {
        width: 24px;
        height: 24px;
    }
    
    .about-section-video {
        padding: 80px 0;
    }
    
    .about-section-video .about-section-inner {
        padding: 0 24px;
    }
    
    .about-section-human {
        padding: 40px 24px 100px;
    }
    
    .about-footer {
        padding: 30px 24px 40px;
    }
    
    .about-footer-links {
        gap: 24px;
    }
}

@media (max-width: 480px) {
    .about-hero-content {
        padding: 0 16px;
    }
    
    .about-human-canvas-wrapper {
        max-width: 300px;
    }
    
    .about-network-canvas-wrapper {
        max-width: 300px;
    }
    
    .about-footer-links {
        gap: 16px;
    }
    
    .about-footer-links a {
        font-size: 13px;
    }
}

body.light-mode.about-page {
    --about-bg: #E8ECF1;
    --about-bg-secondary: #DCE0E6;
    --about-text-primary: #1A1A1E;
    --about-text-secondary: #3D4550;
    --about-text-muted: #59616E;
    --about-border: rgba(0, 0, 0, 0.1);
    background: #E8ECF1;
}

body.light-mode .about-headline {
    background: linear-gradient(135deg, #1A1A1E 0%, #3A3A42 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

body.light-mode .gradient-text-blue {
    background: linear-gradient(135deg, #1A7A9E 0%, #1A1A1E 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

body.light-mode .about-subheadline {
    color: #3D4550;
}

body.light-mode .about-body {
    color: #59616E;
}

body.light-mode .about-callout {
    color: #2C333D;
}

body.light-mode .about-section-responsibility {
    background: #E8ECF1;
}

body.light-mode .about-point {
    background: #FFFFFF;
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
}

body.light-mode .about-point:hover {
    border-color: rgba(0, 0, 0, 0.12);
    background: #F8FAFC;
}

body.light-mode .about-point-icon {
    background: rgba(26, 122, 158, 0.08);
}

body.light-mode .about-video-wrapper::before {
    background: radial-gradient(circle at center, rgba(26, 122, 158, 0.05) 0%, transparent 70%);
}

body.light-mode .about-point-text {
    color: #2C333D;
}

body.light-mode .about-section-closing {
    background: linear-gradient(180deg, #E8ECF1 0%, #DCE0E6 100%);
}

body.light-mode .about-video-wrapper {
    background: rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(0, 0, 0, 0.08);
}

body.light-mode .about-play-button {
    background: rgba(0, 0, 0, 0.08);
    border: 2px solid rgba(0, 0, 0, 0.15);
}

body.light-mode .about-play-button svg {
    fill: #1A1A1E;
}

body.light-mode .about-footer {
    background: #DCE0E6;
}

body.light-mode .about-footer-line {
    background: rgba(0, 0, 0, 0.12);
}

body.light-mode .about-footer-links a {
    color: rgba(0, 0, 0, 0.5);
}

body.light-mode .about-footer-links a:hover {
    color: rgba(0, 0, 0, 0.8);
}