:root {
    --bg-color: #FAFAFA;
    --text-color: #111111;
    --text-secondary: #555555;
    --accent-color: #000;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --spacing-section: 160px;
    --max-width: 900px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-main);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    font-weight: 400;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 40px;
}

/* Header */
.site-header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(250, 250, 250, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.header-inner {
    height: 100px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 48px;
    width: auto;
    display: block;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.main-nav a {
    text-decoration: none;
    color: var(--text-color);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: opacity 0.3s;
}

.main-nav a:hover {
    opacity: 0.6;
}

.nav-link.special {
    color: #2563EB;
}

.nav-cta {
    padding: 0.6rem 1.2rem;
    border: 1px solid var(--text-color);
    border-radius: 4px;
}

.nav-cta:hover {
    background: var(--text-color);
    color: #fff !important;
}

/* Section Base */
.section {
    padding: var(--spacing-section) 0;
}

.section-title {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: #999;
    margin-bottom: 3rem;
    font-weight: 600;
}

.section-content {
    max-width: 760px;
}

/* Fade-in Animation */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1.2s cubic-bezier(0.2, 0.8, 0.2, 1), transform 1.2s cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

/* Hero */
.hero-section {
    height: 100vh;
    display: flex;
    align-items: center;
}

.hero-content h1 {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 600;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    font-weight: 400;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.hero-body {
    font-size: clamp(1.2rem, 3vw, 2rem);
    font-weight: 300;
    line-height: 1.3;
    max-width: 800px;
    color: var(--text-color);
}

/* Section Styles */
p {
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

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

.capabilities-list li {
    font-size: 1.2rem;
    padding: 1.5rem 0;
    border-bottom: 1px solid #eee;
    font-weight: 400;
}

.capabilities-list li:last-child {
    border-bottom: none;
}

.founder-name {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.founder-role {
    font-size: 0.9rem;
    color: #777;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 3rem;
}

.founder-bio p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 1.5rem;
}

.founder-philosophy {
    border-top: 1px solid #eee;
    padding-top: 2rem;
    margin-top: 2rem;
    color: var(--text-color) !important;
    font-weight: 500;
}

/* Buttons */
.btn {
    display: inline-block;
    text-decoration: none;
    padding: 1rem 2.5rem;
    font-weight: 500;
    transition: all 0.3s;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    font-size: 0.8rem;
}

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

.btn-outline:hover {
    background: var(--text-color);
    color: #fff;
}

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

/* Footer */
.footer {
    padding-bottom: 100px;
    font-size: 0.75rem;
    color: #aaa;
    letter-spacing: 0.05em;
}

/* Responsive */
@media (max-width: 768px) {
    :root {
        --spacing-section: 100px;
    }

    .container {
        padding: 0 24px;
    }

    .main-nav {
        display: none;
    }

    .hero-content h1 {
        font-size: 3rem;
    }

    p {
        font-size: 1rem;
    }

    .capabilities-list li {
        font-size: 1.1rem;
    }
}