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

:root {
    /* Colors */
    --color-primary: #000000;
    --color-secondary: #6b7280;
    --color-accent: #3b82f6;
    --color-background: #ffffff;
    --color-surface: #f9fafb;
    --color-border: #e5e7eb;
    --color-text: #111827;
    --color-text-secondary: #6b7280;
    --color-text-muted: #9ca3af;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding-left: 2rem;
    padding-right: 2rem;
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--space-8);
    }
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.02em;
    font-variation-settings: 'wght' 700;
}

h1 {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    letter-spacing: -0.03em;
}

h2 {
    font-size: var(--font-size-4xl);
    letter-spacing: -0.02em;
}

h3 {
    font-size: var(--font-size-2xl);
    letter-spacing: -0.01em;
}

p {
    margin-bottom: var(--space-4);
    color: var(--color-text-secondary);
    font-feature-settings: "ss01" on, "cv01" on;
    letter-spacing: 0.005em;
    line-height: 1.7;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4) var(--space-6);
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
    font-feature-settings: "ss01" on, "cv01" on;
    letter-spacing: 0.01em;
}

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

.btn-primary:hover {
    background-color: #1f2937;
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background-color: var(--color-surface);
    border-color: var(--color-text-muted);
    transform: translateY(-1px);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-normal);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.nav-logo .logo-text {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-primary);
}

.nav-links {
    display: none;
    gap: var(--space-8);
}

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

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

.nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    transition: all var(--transition-fast);
}

@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }
    
    .nav-toggle {
        display: none;
    }
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-32) 0 var(--space-24);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: -1;
    overflow: hidden;
}

.hero-pattern {
    width: 100vw;
    height: 100vh;
    background: radial-gradient(circle at 60% 40%, #e0e7ff 0%, #f8fafc 60%, #fff 100%);
    opacity: 0.7;
    animation: heroGradientMove 12s ease-in-out infinite alternate;
}

.hero-content {
    position: relative;
    z-index: 1;
    padding-top: 5rem;
    padding-bottom: 5rem;
    text-align: center;
}

.hero-title {
    font-size: 2.8rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    margin-bottom: 1.2rem;
    color: #1e293b;
    line-height: 1.05;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #475569;
    margin-bottom: 2.5rem;
    font-weight: 400;
    line-height: 1.6;
    letter-spacing: 0.005em;
}

.hero-cta {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid var(--color-text-muted);
    border-bottom: 2px solid var(--color-text-muted);
    transform: rotate(45deg);
}

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

@keyframes heroGradientMove {
    0% { background-position: 60% 40%; }
    100% { background-position: 40% 60%; }
}

/* Section Styles */
section {
    padding: var(--space-24) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--space-4);
    color: var(--color-primary);
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
}

/* About Section */
.about {
    background-color: var(--color-surface);
}

.about-content {
    display: grid;
    gap: var(--space-12);
    align-items: center;
}

.about-description {
    font-size: var(--font-size-lg);
    line-height: 1.7;
    margin-bottom: var(--space-6);
    font-feature-settings: "ss01" on, "cv01" on;
    letter-spacing: 0.01em;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-8);
    margin-top: var(--space-8);
}

.stat-item {
    text-align: center;
    padding: var(--space-6);
    background: rgba(255,255,255,0.7);
    backdrop-filter: blur(12px) saturate(1.2);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.10);
    border: 1px solid rgba(255,255,255,0.18);
    border-radius: var(--radius-lg);
    transition: transform var(--transition-fast);
}

.stat-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--space-2);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    font-weight: 500;
}

/* Ventures Section */
.ventures-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
}

.venture-card {
    background: rgba(255,255,255,0.7);
    backdrop-filter: blur(12px) saturate(1.2);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.10);
    border: 1px solid rgba(255,255,255,0.18);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.venture-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), #8b5cf6);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.venture-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-accent);
}

.venture-card:hover::before {
    transform: scaleX(1);
}

.venture-icon {
    width: 48px;
    height: 48px;
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-6);
    color: var(--color-accent);
}

.venture-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--space-3);
    color: var(--color-primary);
    letter-spacing: -0.01em;
    line-height: 1.2;
}

.venture-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-6);
    line-height: 1.7;
    font-feature-settings: "ss01" on, "cv01" on;
    letter-spacing: 0.005em;
}

.venture-tags {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.tag {
    background-color: var(--color-surface);
    color: var(--color-text-secondary);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

/* Philosophy Section */
.philosophy {
    background-color: var(--color-surface);
}

.philosophy-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-16);
    align-items: center;
}

.philosophy-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--space-12);
    color: var(--color-primary);
    line-height: 1.2;
}

.philosophy-principles {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-8);
}

.principle h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--space-3);
    color: var(--color-primary);
    letter-spacing: -0.01em;
    line-height: 1.2;
}

.principle p {
    color: var(--color-text-secondary);
    line-height: 1.7;
    font-feature-settings: "ss01" on, "cv01" on;
    letter-spacing: 0.005em;
}

.philosophy-visual {
    display: none;
}

@media (min-width: 1024px) {
    .philosophy-content {
        grid-template-columns: 2fr 1fr;
    }
    
    .philosophy-visual {
        display: flex;
        justify-content: center;
        align-items: center;
    }
    
    .philosophy-shape {
        width: 200px;
        height: 200px;
        background: linear-gradient(135deg, var(--color-accent), #8b5cf6);
        border-radius: 50%;
        opacity: 0.1;
        animation: float 6s ease-in-out infinite;
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* Founder Section */
.founder-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    align-items: center;
    text-align: center;
}

.founder-image {
    display: flex;
    justify-content: center;
}

.founder-placeholder {
    width: 120px;
    height: 120px;
    background-color: var(--color-surface);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
}

.founder-placeholder svg {
    width: 48px;
    height: 48px;
}

.founder-quote {
    font-size: var(--font-size-xl);
    font-style: italic;
    color: var(--color-text);
    margin-bottom: var(--space-6);
    line-height: 1.6;
    position: relative;
}

.founder-quote::before {
    content: '"';
    font-size: 4rem;
    color: var(--color-accent);
    position: absolute;
    top: -20px;
    left: -20px;
    opacity: 0.3;
}

.founder-name {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--space-1);
}

.founder-title {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

@media (min-width: 768px) {
    .founder-content {
        grid-template-columns: auto 1fr;
        text-align: left;
    }
}

/* Newsletter Section */
.newsletter {
    background-color: var(--color-surface);
    text-align: center;
}

.newsletter-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--space-4);
    color: var(--color-primary);
}

.newsletter-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-8);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.newsletter-form {
    max-width: 400px;
    margin: 0 auto;
}

.form-group {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.form-input {
    flex: 1;
    min-width: 200px;
    padding: var(--space-4) var(--space-4);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    transition: border-color var(--transition-fast);
    font-feature-settings: "ss01" on, "cv01" on;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    transform: translateY(-1px);
}

/* Contact Section */
.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
}

.contact-item {
    text-align: center;
    padding: var(--space-8);
    background: rgba(255,255,255,0.7);
    backdrop-filter: blur(12px) saturate(1.2);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.10);
    border: 1px solid rgba(255,255,255,0.18);
    border-radius: var(--radius-lg);
    transition: transform var(--transition-fast);
}

.contact-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.contact-item h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--space-3);
    color: var(--color-primary);
}

.contact-item p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-4);
}

.contact-link {
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.contact-link:hover {
    color: #2563eb;
}

/* Footer */
.footer {
    background-color: var(--color-primary);
    color: white;
    padding: var(--space-16) 0 var(--space-8);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    margin-bottom: var(--space-8);
}

.footer-brand .logo-text {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: white;
    margin-bottom: var(--space-2);
}

.footer-tagline {
    color: #9ca3af;
    font-size: var(--font-size-sm);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-8);
}

.footer-section h4 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--space-4);
    color: white;
}

.footer-section a {
    display: block;
    color: #9ca3af;
    text-decoration: none;
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-2);
    transition: color var(--transition-fast);
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: var(--space-8);
    text-align: center;
}

.footer-bottom p {
    color: #9ca3af;
    font-size: var(--font-size-sm);
    margin: 0;
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr 2fr;
    }
}

/* Animations */
[data-aos] {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.7s cubic-bezier(.19,1,.22,1);
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero {
        padding: var(--space-20) 0 var(--space-16);
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .ventures-grid {
        grid-template-columns: 1fr;
    }
    
    .philosophy-principles {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
    }
    
    .form-group {
        flex-direction: column;
    }
    
    .form-input {
        min-width: auto;
    }
}

/* Smooth scrolling and focus styles */
html {
    scroll-behavior: smooth;
}

*:focus {
    outline: 2px solid #3b82f6;
    outline-offset: 2px;
}

/* Loading states */
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Print styles */
@media print {
    .navbar,
    .hero-cta,
    .newsletter,
    .footer {
        display: none;
    }
}

/* Micro-interactions */
.btn:active, .form-submit:active {
    transform: scale(0.97);
    box-shadow: 0 2px 8px rgba(59,130,246,0.10);
}
.btn::after, .form-submit::after {
    content: '';
    position: absolute;
    left: 50%; top: 50%;
    width: 0; height: 0;
    background: rgba(59,130,246,0.15);
    border-radius: 100%;
    transform: translate(-50%, -50%);
    transition: width 0.4s, height 0.4s, opacity 0.4s;
    opacity: 0;
    pointer-events: none;
}
.btn:active::after, .form-submit:active::after {
    width: 120px; height: 120px;
    opacity: 1;
}
.venture-card, .feature-card, .value-card, .team-member, .channel-card, .faq-item, .location-card, .principle-item {
    transition: box-shadow 0.2s, transform 0.2s, background 0.2s;
}
.venture-card:hover, .feature-card:hover, .value-card:hover, .team-member:hover, .channel-card:hover, .faq-item:hover, .location-card:hover, .principle-item:hover {
    transform: translateY(-6px) scale(1.015);
    box-shadow: 0 12px 32px 0 rgba(59,130,246,0.10);
    background: rgba(255,255,255,0.85);
}

/* Parallax effect for hero logo */
.site-logo {
    will-change: transform;
    transition: transform 0.5s cubic-bezier(.19,1,.22,1);
}
.hero:hover .site-logo {
    transform: scale(1.04) rotate(-2deg) translateY(-4px);
}

/* Scroll-to-top Button */
.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255,255,255,0.85);
    box-shadow: 0 2px 8px rgba(59,130,246,0.10);
    color: #3b82f6;
    border: none;
    font-size: 1.5rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    z-index: 1000;
}
.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}
.scroll-to-top:focus {
    outline: 2px solid #3b82f6;
}

/* Retina & Performance */
img, svg {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    max-width: 100%;
    height: auto;
}

/* Animated Gradient for Hero Background */
.animated-gradient {
    background: linear-gradient(120deg, #e0e7ff, #f3f4f6, #c7d2fe, #f9fafb);
    background-size: 400% 400%;
    animation: gradientMove 12s ease-in-out infinite;
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 0;
    border-radius: 0 0 48px 48px;
}
@keyframes gradientMove {
    0% {background-position: 0% 50%;}
    50% {background-position: 100% 50%;}
    100% {background-position: 0% 50%;}
}

.btn.micro-interaction {
    transition: transform 0.15s cubic-bezier(.4,2,.6,1), box-shadow 0.15s cubic-bezier(.4,2,.6,1);
    will-change: transform;
}
.btn.micro-interaction:hover, .btn.micro-interaction:focus {
    transform: translateY(-2px) scale(1.04);
    box-shadow: 0 8px 32px 0 rgba(60, 80, 180, 0.10);
    outline: none;
}

.testimonial {
    background: #f9fafb;
    padding: 3rem 0 2rem 0;
    border-radius: 32px;
    margin: 3rem auto 2rem auto;
    box-shadow: 0 2px 16px 0 rgba(30,41,59,0.04);
}

@media (max-width: 600px) {
    .hero-title { font-size: 2rem; }
    .hero-content { padding-top: 2.5rem; padding-bottom: 2.5rem; }
    .testimonial { padding: 2rem 0 1rem 0; }
}