:root {
    --bg-color: #0d0f1a;
    --text-color: #ffffff;
    --text-muted: #94a3b8;
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-border: rgba(255, 255, 255, 0.08);
    --accent-color: #00f0ff;
    --accent-glow: rgba(0, 240, 255, 0.4);
    --shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

/* Background effects */
.background-globes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    background: radial-gradient(circle at center, #13172e 0%, #0d0f1a 100%);
}

.globe {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
    animation: float 10s infinite ease-in-out alternate;
}

.globe-1 {
    top: -10%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    max-width: 600px;
    max-height: 600px;
    background: #4f46e5;
}

.globe-2 {
    bottom: -15%;
    right: -10%;
    width: 40vw;
    height: 40vw;
    max-width: 500px;
    max-height: 500px;
    background: #00f0ff;
    animation-delay: -5s;
}

@keyframes float {
    0% { transform: translateY(0) scale(1); }
    100% { transform: translateY(30px) scale(1.05); }
}

/* Base Layout */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 4rem 2rem;
    animation: fadeIn 1s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 6rem 0 4rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.badge {
    background: rgba(0, 240, 255, 0.1);
    color: var(--accent-color);
    border: 1px solid rgba(0, 240, 255, 0.2);
    padding: 0.4rem 1.2rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 2rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.hero h1 {
    font-size: clamp(3rem, 8vw, 5rem);
    letter-spacing: -0.03em;
    margin: 0;
    font-weight: 800;
    background: linear-gradient(135deg, #ffffff 0%, #a5b4fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.1;
}

.hero .subtitle {
    font-size: clamp(1.1rem, 3vw, 1.4rem);
    color: var(--text-muted);
    margin: 1.5rem 0 3rem;
    font-weight: 400;
    max-width: 600px;
}

.cta-button {
    display: inline-block;
    text-decoration: none;
    background: linear-gradient(135deg, #4f46e5, #00f0ff);
    color: white;
    border: none;
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(0, 240, 255, 0.3);
    transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.2s;
}

.cta-button:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 25px rgba(0, 240, 255, 0.5);
}

/* Bento Grid */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.bento-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 24px;
    padding: 2.5rem;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}

.bento-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.05);
}

.bento-card h2 {
    font-size: 1.6rem;
    margin-top: 0;
    margin-bottom: 1rem;
    color: #ffffff;
    font-weight: 700;
}

.bento-card p {
    color: var(--text-muted);
    margin: 0;
}

/* Tags */
.tag-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.tag {
    background: rgba(255, 255, 255, 0.05);
    color: #e2e8f0;
    padding: 0.5rem 1.2rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: background 0.2s, transform 0.2s;
}

.tag:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

/* Models Accordion */
.models-accordion {
    margin-top: 4rem;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 1.5rem 2.5rem;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: var(--shadow);
    transition: border-color 0.3s ease;
}

.models-accordion:hover {
    border-color: rgba(255, 255, 255, 0.15);
}

.models-accordion summary {
    font-size: 1.3rem;
    font-weight: 700;
    cursor: pointer;
    list-style: none; /* Hide default arrow */
    color: var(--accent-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    outline: none;
}

.models-accordion summary::-webkit-details-marker {
    display: none; /* Safari */
}

.models-accordion summary::after {
    content: '+';
    font-size: 1.8rem;
    font-weight: 400;
    transition: transform 0.3s ease;
    color: var(--text-muted);
}

.models-accordion[open] summary::after {
    content: '−';
    transform: rotate(180deg);
}

.models-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.2rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--card-border);
    animation: fadeIn 0.4s ease-out;
}

.model-item {
    background: rgba(255, 255, 255, 0.02);
    padding: 1.2rem;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: background 0.3s ease;
}

.model-item:hover {
    background: rgba(255, 255, 255, 0.06);
}

.model-item strong {
    display: block;
    color: #fff;
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
}

.model-item span {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Footer */
footer {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    border-top: 1px solid var(--card-border);
    margin-top: 4rem;
}