/* About Page - Minimal Modern Design */

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

/* CSS Variables */
:root {
    /* Colors */
    --color-black: #000;
    --color-white: #fff;
    --color-gray-100: #111;
    --color-gray-200: #222;
    --color-gray-300: #333;
    --color-gray-400: #444;
    --color-gray-500: #555;
    --color-gray-600: #666;
    --color-gray-700: #777;
    --color-gray-800: #888;
    --color-gray-900: #999;

    --color-accent: #0096FF;

    /* Logo block colors */
    --logo-color-1: #e3e3e3;
    --logo-color-2: #d0d0d0;
    --logo-color-3: #bebebe;
    --logo-color-4: #ababab;
    --logo-color-5: #999999;
    --logo-color-6: #868686;
    --logo-color-7: #747474;
    --logo-color-8: #616161;

    /* Typography */
    --font-family: 'Geist', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.6s ease;

    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 50px;
}

/* Base */
html {
    scroll-behavior: smooth;
    scroll-snap-type: y mandatory;
}

body {
    font-family: var(--font-family);
    background: var(--color-black);
    color: var(--color-white);
    overflow-x: hidden;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Scroll Container */
.scroll-container {
    height: 100vh;
    overflow-y: auto;
    scroll-snap-type: y mandatory;
}

/* Sections */
.section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    scroll-snap-align: start;
}

.section-content {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
    text-align: center;
}

/* Hero Section */
.hero-section {
    background: var(--color-black);
}

.hero-logo {
    margin-bottom: var(--space-2xl);
}

.logo-grid {
    display: inline-grid;
    grid-template-columns: repeat(3, 60px);
    grid-template-rows: repeat(3, 60px);
    gap: 8px;
}

.logo-block {
    background: var(--color-gray-900);
    border-radius: var(--radius-sm);
    opacity: 0;
    transform: scale(0.8);
    transition: all var(--transition-slow) cubic-bezier(0.34, 1.56, 0.64, 1);
}

.logo-block.visible {
    opacity: 1;
    transform: scale(1);
}

.logo-block:nth-child(1) { background: var(--logo-color-1); }
.logo-block:nth-child(2) { background: var(--logo-color-2); }
.logo-block:nth-child(3) { background: var(--logo-color-3); }
.logo-block:nth-child(4) { background: var(--logo-color-4); }
.logo-block:nth-child(6) { background: var(--logo-color-5); }
.logo-block:nth-child(7) { background: var(--logo-color-6); }
.logo-block:nth-child(8) { background: var(--logo-color-7); }
.logo-block:nth-child(9) { background: var(--logo-color-8); }

.center-empty {
    background: transparent !important;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 800;
    letter-spacing: -0.04em;
    margin-bottom: var(--space-md);
    line-height: 1;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2.5vw, 1.5rem);
    font-weight: 400;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.5;
    max-width: 800px;
    margin: 0 auto;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    cursor: pointer;
    animation: bounce 2s infinite;
}

.scroll-indicator svg {
    color: rgba(255, 255, 255, 0.4);
    transition: color var(--transition-fast);
}

.scroll-indicator:hover svg {
    color: rgba(255, 255, 255, 0.7);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* Mission Section */
.mission-section {
    background: var(--color-white);
    color: var(--color-black);
}

.mission-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.mission-left {
    text-align: left;
}

.section-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    margin-bottom: var(--space-lg);
}

.mission-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    color: var(--color-black);
}

.mission-text {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    font-weight: 400;
    color: rgba(0, 0, 0, 0.7);
    line-height: 1.6;
    margin-bottom: var(--space-xl);
}

.mission-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: var(--space-sm) var(--space-lg);
    background: var(--color-black);
    color: var(--color-white);
    border-radius: var(--radius-full);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-base);
}

.mission-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.mission-cta svg {
    transition: transform var(--transition-base);
}

.mission-cta:hover svg {
    transform: translateX(4px);
}

.mission-right {
    display: flex;
    justify-content: center;
    align-items: center;
}

.mission-graphic {
    padding: var(--space-lg);
}

.graphic-grid {
    display: grid;
    grid-template-columns: repeat(3, 90px);
    grid-template-rows: repeat(3, 90px);
    gap: 12px;
}

.grid-block {
    background: var(--color-gray-300);
    border-radius: var(--radius-md);
    opacity: 0;
    transform: scale(0) rotate(-180deg);
    transition: all 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.grid-block:nth-child(1) { background: var(--color-black); }
.grid-block:nth-child(2) { background: var(--color-gray-200); }
.grid-block:nth-child(3) { background: var(--color-gray-300); }
.grid-block:nth-child(4) { background: var(--color-gray-400); }
.grid-block:nth-child(6) { background: var(--color-gray-500); }
.grid-block:nth-child(7) { background: var(--color-gray-600); }
.grid-block:nth-child(8) { background: var(--color-gray-700); }
.grid-block:nth-child(9) { background: var(--color-gray-800); }

.grid-block.visible {
    opacity: 1;
    transform: scale(1) rotate(0);
}

.center-space {
    background: transparent !important;
}

/* Values Section */
.values-section {
    background: var(--color-black);
}

.section-title {
    font-size: clamp(3rem, 6vw, 4rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-md);
}

.section-description {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-2xl);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    text-align: left;
}

.value-item {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.value-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.value-number {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.value-item h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.value-item p {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

/* Focus Section */
.focus-section {
    background: var(--color-black);
}

.focus-container {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: var(--space-xl);
    align-items: center;
    max-width: 1000px;
    margin: var(--space-2xl) auto 0;
}

.focus-left {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
}

.interactive-logo {
    display: grid;
    grid-template-columns: repeat(3, 80px);
    grid-template-rows: repeat(3, 80px);
    gap: 8px;
}

.logo-block-interactive {
    position: relative;
    background: var(--color-gray-300);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    opacity: 0;
    transform: scale(0.8);
}

.logo-block-interactive:nth-child(1) { background: var(--logo-color-1); }
.logo-block-interactive:nth-child(2) { background: var(--logo-color-2); }
.logo-block-interactive:nth-child(3) { background: var(--logo-color-3); }
.logo-block-interactive:nth-child(4) { background: var(--logo-color-4); }
.logo-block-interactive:nth-child(6) { background: var(--logo-color-5); }
.logo-block-interactive:nth-child(7) { background: var(--logo-color-6); }
.logo-block-interactive:nth-child(8) { background: var(--logo-color-7); }
.logo-block-interactive:nth-child(9) { background: var(--logo-color-8); }

.center-empty {
    background: transparent !important;
    cursor: default;
}

.block-hover {
    position: absolute;
    inset: 0;
    background: rgba(0, 150, 255, 0.15);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.logo-block-interactive:not(.center-empty):hover .block-hover {
    opacity: 1;
}

.logo-block-interactive:not(.center-empty):hover {
    transform: scale(1.08);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.logo-block-interactive.active {
    transform: scale(1.05);
    box-shadow: 0 0 0 2px var(--color-accent), 0 8px 24px rgba(0, 150, 255, 0.3);
}

.focus-instruction {
    font-size: 0.6875rem;
    color: rgba(255, 255, 255, 0.3);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

.focus-right {
    position: relative;
    min-height: 250px;
}

.focus-content {
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    transform: translateX(20px);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

.focus-content.active {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
}

.focus-placeholder {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    min-height: 150px;
    opacity: 1;
    transition: opacity var(--transition-base);
}

.focus-placeholder.hidden {
    opacity: 0;
    pointer-events: none;
}

.focus-placeholder p {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.3);
}

.focus-number {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 0.75rem;
    letter-spacing: 0.05em;
}

.focus-content h3 {
    font-size: 1.875rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 0.75rem;
}

.focus-content p {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    max-width: 450px;
}

/* CTA Section */
.cta-section {
    background: var(--color-black);
}

.cta-title {
    font-size: clamp(3rem, 6vw, 4rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-md);
}

.cta-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-xl);
}

.cta-buttons {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    margin-bottom: var(--space-3xl);
}

.btn-primary,
.btn-secondary {
    padding: var(--space-sm) 2.5rem;
    border-radius: var(--radius-full);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-base);
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.2);
}

.btn-secondary {
    background: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.footer-info {
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.875rem;
}

.footer-info .home-link {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-info .home-link:hover {
    color: rgba(255, 255, 255, 0.8);
}

/* Animations */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Responsive */
@media (max-width: 1024px) {
    .mission-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .mission-left {
        text-align: center;
    }

    .mission-right {
        margin-top: var(--space-xl);
    }

    .graphic-grid {
        grid-template-columns: repeat(3, 70px);
        grid-template-rows: repeat(3, 70px);
        gap: 10px;
    }

    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .focus-container {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .interactive-logo {
        grid-template-columns: repeat(3, 70px);
        grid-template-rows: repeat(3, 70px);
        gap: 6px;
    }
}

@media (max-width: 768px) {
    .section-content {
        padding: 0 var(--space-md);
    }

    .logo-grid {
        grid-template-columns: repeat(3, 50px);
        grid-template-rows: repeat(3, 50px);
        gap: 6px;
    }

    .graphic-grid {
        grid-template-columns: repeat(3, 60px);
        grid-template-rows: repeat(3, 60px);
        gap: 8px;
    }

    .values-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .interactive-logo {
        grid-template-columns: repeat(3, 60px);
        grid-template-rows: repeat(3, 60px);
        gap: 5px;
    }

    .focus-content h3 {
        font-size: 1.5rem;
    }

    .focus-content p {
        font-size: 0.9375rem;
    }

    .focus-right {
        min-height: 200px;
    }

    .focus-placeholder {
        min-height: 120px;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 300px;
    }
}