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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: #f0f5f9;
    min-height: 100vh;
    color: #1a2b3c;
    line-height: 1.6;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: #ffffff;
    border-bottom: 1px solid #d0dce5;
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    font-size: 1.4rem;
    font-weight: 700;
    color: #2c5282;
}

.nav {
    display: flex;
    gap: 25px;
}

.nav-link {
    text-decoration: none;
    color: #4a6fa5;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-link:hover,
.nav-link.active {
    color: #1a365d;
}

/* Hero */
.hero {
    padding: 60px 0;
    text-align: center;
    background: linear-gradient(180deg, #3182ce 0%, #2c5282 100%);
    color: white;
}

.hero-title {
    font-size: 2.4rem;
    margin-bottom: 12px;
    font-weight: 700;
}

.hero-subtitle {
    font-size: 1.15rem;
    opacity: 0.9;
    margin-bottom: 30px;
    max-width: 550px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 28px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s;
    font-size: 0.95rem;
}

.btn-primary {
    background: #fff;
    color: #2c5282;
}

.btn-primary:hover {
    background: #ebf4ff;
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid rgba(255,255,255,0.7);
}

.btn-secondary:hover {
    border-color: #fff;
    background: rgba(255,255,255,0.1);
}

/* Sections */
.section-title {
    font-size: 1.6rem;
    text-align: center;
    margin-bottom: 35px;
    color: #1a365d;
}

/* Features Tiles */
.features {
    padding: 50px 0;
}

.tiles {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.tile {
    padding: 25px 20px;
    border: none;
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    transition: transform 0.2s;
}

.tile:nth-child(1) { background: #ebf8ff; }
.tile:nth-child(2) { background: #d6f0ff; }
.tile:nth-child(3) { background: #b6dffa; }
.tile:nth-child(4) { background: #a4d9ff; }
.tile:nth-child(5) { background: #b1ddff; }
.tile:nth-child(6) { background: #b6ddff; }

.tile:hover {
}

.tile-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 12px;
}

.tile-title {
    font-size: 1.35rem;
    margin-bottom: 6px;
    color: #1a365d;
    font-weight: 600;
}

.tile-text {
    color: #05214b;
    font-size: 1.15rem;
    line-height: 1.4;
}

/* Quick Start */
.quickstart {
    padding: 50px 0;
    background: #fff;
}

.code-block {
    background: #1a365d;
    padding: 25px;
    overflow-x: auto;
}

.code-block pre {
    margin: 0;
}

.code-block code {
    color: #90cdf4;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.85rem;
    line-height: 1.7;
}

/* Downloads / Resources */
.downloads {
    padding: 50px 0;
}

.downloads-table {
    width: 100%;
    margin: 0 auto;
    border-collapse: collapse;
}

.downloads-table th,
.downloads-table td {
    border: 1px solid #d0dce5;
    padding: 12px 15px;
    text-align: left;
}

.downloads-table th {
    background: #ebf8ff;
    color: #1a365d;
    font-weight: 600;
}

.downloads-table td {
    background: #fff;
    color: #2c5282;
}

.downloads-table a {
    color: #3182ce;
    text-decoration: none;
    font-weight: 500;
}

.downloads-table a:hover {
    text-decoration: underline;
}

/* Requirements */
.requirements {
    padding: 50px 0;
    background: #fff;
}

.tiles-small {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.tile-small {
    background: #ebf8ff;
    padding: 10px 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    border: 1px solid #bee3f8;
}

.tile-small .tile-icon {
    font-size: 1.2rem;
    margin-bottom: 0;
}

.tile-small span {
    font-weight: 500;
    color: #2c5282;
    font-size: 0.9rem;
}

/* Footer */
.footer {
    background: #1a365d;
    color: #90cdf4;
    padding: 20px 0;
    text-align: center;
}

.footer a {
    color: #bee3f8;
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 900px) {
    .tiles {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .hero-title {
        font-size: 1.8rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .header .container {
        flex-direction: column;
        gap: 12px;
    }

    .tiles {
        grid-template-columns: 1fr;
    }

    .tile {
        aspect-ratio: auto;
        padding: 25px;
    }
}