:root {
    --color-bg: #ffffff;
    --color-text: #1a1a1a;
    --color-text-light: #666666;
    --color-accent: #0055ff;
    /* Dassport Blue */
    --color-accent-hover: #0044cc;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --spacing-unit: 1rem;
    --container-width: 1200px;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

/* Typography */
h1,
h2,
h3,
h4 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3.5rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2.5rem;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1.5rem;
    color: var(--color-text-light);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--color-accent);
    color: white;
    box-shadow: 0 4px 15px rgba(0, 85, 255, 0.3);
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 85, 255, 0.4);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-text);
    border: 1px solid #e0e0e0;
    margin-left: 1rem;
}

.btn-secondary:hover {
    border-color: var(--color-text);
    background-color: #fafafa;
}

/* Header */
.site-header {
    padding: 1.5rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
}

.site-header nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    text-decoration: none;
}

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

.nav-links a:not(.btn) {
    text-decoration: none;
    color: var(--color-text-light);
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:not(.btn):hover {
    color: var(--color-accent);
}

/* Hero Section */
.hero {
    padding: 8rem 0 6rem;
    text-align: center;
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-container {
    margin-bottom: 3rem;
    position: relative;
    display: inline-block;
}

.logo-wrapper {
    position: relative;
    width: 300px;
    height: 300px;
}



/* Boids Canvas */
#boids-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    /* Behind everything */
    pointer-events: none;
}

/* Note: The simple circular orbit with z-index toggling is safer for a quick implementation 
   without a perfect SVG path. I'll stick to the first one but tweak it to look more 3D. */


.hero-title {
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #1a1a1a 0%, #4a4a4a 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    max-width: 600px;
    margin: 0 auto 2.5rem;
}

/* Sections */
.section-padding {
    padding: 6rem 0;
}

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

/* Features */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.feature-card {
    background: #fff;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.03);
    transition: transform 0.3s ease;
    border: 1px solid #f0f0f0;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.icon-box {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

/* How it Works */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    text-align: center;
}

.step-item {
    position: relative;
}

.step-number {
    font-size: 4rem;
    font-weight: 900;
    color: #f0f0f0;
    margin-bottom: -1rem;
    position: relative;
    z-index: -1;
}

/* Footer */
.site-footer {
    padding: 4rem 0;
    border-top: 1px solid #f0f0f0;
    margin-top: 4rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

/* Mobile */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    .hero {
        padding-top: 6rem;
    }

    .nav-links {
        display: none;
    }

    /* Simple hide for MVP, would need hamburger menu */
}