/* === SPS / iGainMore — Corporate Website Styles === */
/* Inspired by Two Sigma, D.E. Shaw, Jane Street design principles */

:root {
    --bg-primary: #0a0a23;
    --bg-secondary: #111827;
    --bg-card: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --accent: #3b82f6;
    --accent-glow: #60a5fa;
    --green: #22c55e;
    --gold: #f59e0b;
    --border: #334155;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* === Navigation === */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 35, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent), var(--green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}

.logo span {
    color: var(--gold);
    -webkit-text-fill-color: var(--gold);
    font-weight: 400;
    font-size: 0.9rem;
    margin-left: 0.5rem;
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

/* === Hero Section === */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 6rem 2rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    max-width: 900px;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #fff 0%, var(--accent-glow) 50%, var(--green) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.3rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 2rem;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 3rem;
    flex-wrap: wrap;
}

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

.hero-stat .number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent-glow);
}

.hero-stat .label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), #2563eb);
    color: #fff;
    border: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--accent-glow);
    border: 2px solid var(--accent);
    margin-left: 1rem;
}

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

/* === Sections === */
section {
    padding: 6rem 2rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-align: center;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    text-align: center;
    max-width: 600px;
    margin: 0 auto 3rem;
}

/* === About Section === */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    margin-top: 3rem;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 1.05rem;
}

.about-image {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    border: 1px solid var(--border);
}

.about-image .chart-placeholder {
    height: 200px;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 4px;
}

.chart-bar {
    width: 8px;
    background: linear-gradient(to top, var(--accent), var(--green));
    border-radius: 4px 4px 0 0;
    transition: height 0.5s;
}

/* === Strategy Cards === */
.strategy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.strategy-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s;
}

.strategy-card:hover {
    border-color: var(--accent);
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(59, 130, 246, 0.1);
}

.strategy-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.strategy-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.strategy-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* === Technology Section === */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.tech-stat {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
}

.tech-stat .value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent-glow);
    margin-bottom: 0.5rem;
}

.tech-stat .desc {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* === Roadmap === */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 3rem auto 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    padding-left: 50%;
}

.timeline-item:nth-child(odd) {
    padding-left: 0;
    padding-right: 50%;
    text-align: right;
}

.timeline-item .year {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-glow);
    margin-bottom: 0.5rem;
}

.timeline-item .content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
}

.timeline-item .content h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.timeline-item .content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.timeline-item::after {
    content: '';
    position: absolute;
    top: 1rem;
    width: 16px;
    height: 16px;
    background: var(--accent);
    border-radius: 50%;
    border: 3px solid var(--bg-primary);
}

.timeline-item:nth-child(odd)::after {
    right: -8px;
}

.timeline-item:nth-child(even)::after {
    left: -8px;
}

/* === Footer === */
footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 3rem 2rem;
    text-align: center;
}

footer p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

footer a {
    color: var(--accent-glow);
    text-decoration: none;
}

/* === Responsive === */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .hero-stats { gap: 1.5rem; }
    .about-grid { grid-template-columns: 1fr; }
    .tech-grid { grid-template-columns: repeat(2, 1fr); }
    .timeline::before { left: 20px; }
    .timeline-item { padding-left: 50px !important; text-align: left !important; }
    .timeline-item::after { left: 12px !important; right: auto !important; }
    .nav-links { display: none; }
}