/* HyperSphere Brand Design System */

:root {
    /* Brand Colors from Graphic Standards */
    --brand-teal: #25505e;
    --brand-black: #000000;
    --brand-sea: #A4CFCD;
    --brand-sand: #e1ddd1;
    --brand-orange: #f38f1e;
    
    /* Supporting Gradient Colors */
    --support-slate: #555c65;
    --support-teal-bright: #52b7b9;
    --support-orange: #dd7b3e;
    --support-gold: #f38f1e;
    --support-cream: #e8d393;
    
    /* Functional Colors */
    --text-primary: #e1ddd1;
    --text-secondary: rgba(225, 221, 209, 0.8);
    --bg-dark: #0d1117;
    --bg-section: #161b22;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Typography */
    --font-body: 'Poppins', sans-serif;
}

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

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

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(37, 80, 94, 0.3);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
}

.logo-image {
    height: 40px;
    width: auto;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--brand-orange);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.logo-icon::before,
.logo-icon::after {
    content: '';
    position: absolute;
    width: 60%;
    height: 2px;
    background: var(--brand-black);
}

.logo-icon::before {
    transform: rotate(45deg);
}

.logo-icon::after {
    transform: rotate(-45deg);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--brand-sand);
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    gap: 3rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 400;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--support-teal-bright);
}

.cta-button {
    padding: 0.75rem 1.75rem;
    background: var(--brand-orange);
    color: var(--brand-sand);
    border: none;
    font-weight: 600;
    cursor: pointer;
    font-size: 0.95rem;
    transition: all 0.3s;
    font-family: var(--font-body);
    text-decoration: none;
    display: inline-block;
}

.cta-button:hover {
    background: #8b2e18;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(243, 143, 30, 0.3);
}

/* Utility Classes */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-label {
    font-size: 0.85rem;
    color: var(--support-orange);
    letter-spacing: 0.15em;
    margin-bottom: 1rem;
    text-transform: uppercase;
    font-weight: 600;
}

.eyebrow {
    font-size: 0.85rem;
    color: var(--support-orange);
    letter-spacing: 0.15em;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    font-weight: 600;
}

.primary-cta {
    padding: 1.25rem 3rem;
    background: var(--brand-orange);
    color: var(--brand-sand);
    border: none;
    font-weight: 700;
    font-size: 1.05rem;
    cursor: pointer;
    transition: all 0.3s;
    font-family: var(--font-body);
    text-decoration: none;
    display: inline-block;
}

.primary-cta:hover {
    background: #8b2e18;
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(243, 143, 30, 0.4);
}

.secondary-cta {
    padding: 1.25rem 3rem;
    background: transparent;
    color: var(--brand-sand);
    border: 2px solid var(--brand-teal);
    font-weight: 600;
    font-size: 1.05rem;
    cursor: pointer;
    transition: all 0.3s;
    font-family: var(--font-body);
    text-decoration: none;
    display: inline-block;
}

.secondary-cta:hover {
    background: rgba(37, 80, 94, 0.2);
    border-color: var(--support-teal-bright);
    transform: translateY(-3px);
}

/* Footer */
footer {
    background: var(--brand-teal);
    padding: 4rem 3rem 2rem;
    border-top: 1px solid rgba(164, 207, 205, 0.2);
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--brand-sand);
}

.footer-brand p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.footer-links h4 {
    margin-bottom: 1.5rem;
    color: var(--support-orange);
    font-weight: 600;
}

.footer-links a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 0.75rem;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--support-teal-bright);
}

.footer-bottom {
    max-width: 1400px;
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid rgba(164, 207, 205, 0.2);
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}