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

html {
    background: #1a1a2e;
    min-height: 100vh;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: #000000;
    line-height: 1.6;
    font-weight: 300;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* Section Styling */
.section {
    padding: 15px 0;
    width: 100%;
}

.section-card {
    background: white;
    border-radius: 16px;
    padding: 25px 30px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    max-width: 900px;
    margin: 0 auto;
    width: 100%;
    box-sizing: border-box;
}

.section-title {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Helvetica Neue', sans-serif;
    font-size: 0.9rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: center;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 30px 0 15px;
}

.test-drive-agent {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Helvetica Neue', sans-serif;
    font-size: 0.865rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.main-title {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Helvetica Neue', sans-serif;
    font-size: 3.5rem;
    font-weight: 500;
    line-height: 1.1;
    margin-bottom: calc(1.2rem - 5px);
    letter-spacing: -0.02em;
}

.subtitle {
    font-size: 1.1rem;
    font-weight: 300;
    color: #666;
    margin-bottom: 1rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.description {
    font-size: 0.95rem;
    line-height: 1.6;
    color: #444;
    max-width: 650px;
    margin: 0 auto 1.5rem;
    font-weight: 300;
}

/* CTA Buttons */
.cta-section {
    margin-top: calc(2rem - 15px);
}

.cta-button {
    display: inline-block;
    background: #000;
    color: #fff;
    padding: 0.8rem 1.5rem;
    text-decoration: none;
    font-weight: 400;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: all 0.3s ease;
    border: 1px solid #000;
    border-radius: 60px;
    margin: 0.5rem;
    min-width: 200px;
    text-align: center;
}

.cta-button:hover {
    background: #fff;
    color: #000;
}

.cta-button.secondary {
    background: transparent;
    color: #000;
    border-color: #000;
}

.cta-button.secondary:hover {
    background: #000;
    color: #fff;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.feature-card {
    text-align: center;
    padding: 8px 10px;
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 6px;
}

.feature-title {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 4px;
    color: #000;
}

.feature-desc {
    font-size: 0.82rem;
    color: #666;
    line-height: 1.4;
}

/* LLM Providers Grid */
.llm-providers-grid .llm-provider-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

/* Release Two-Column Layout */
.release-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 2rem;
}

.release-col-title {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #999;
    margin-bottom: 0.75rem;
}

/* Release Section */
.release-list {
    list-style: none;
    padding: 0;
    line-height: 1.5;
    font-size: 0.9rem;
    color: #333;
    margin-bottom: 2rem;
}

.release-list li {
    padding: 4px 0;
}

.release-list li::before {
    content: "•";
    color: #667eea;
    margin-right: 8px;
}

.release-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1.5rem;
}

.release-table th {
    padding: 12px 16px;
    text-align: left;
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    color: #666;
    background: #f9f9f9;
    border-bottom: 1px solid #e0e0e0;
}

.release-table td {
    padding: 16px;
    font-size: 0.9rem;
    color: #000;
    border-bottom: 1px solid #f0f0f0;
}

.version-badge {
    display: inline-block;
    background: #000;
    color: #fff;
    padding: 0.3rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
}

.version-badge:hover {
    background: #667eea;
}

/* Footer */
.footer {
    text-align: center;
    padding: 15px 0 30px;
}

.footer-links {
    margin-bottom: 1rem;
}

.footer-links a {
    color: #000;
    text-decoration: none;
    margin: 0 15px;
    font-size: 0.9rem;
    font-weight: 400;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #667eea;
}

.footer-tagline {
    font-size: 0.85rem;
    color: #666;
    font-weight: 300;
}

/* Dot Animation: 3 small dots at 120° apart + 1 large center, twirl to center, fade, icon appears */
.icon-anim-wrap {
    position: relative;
    width: 128px;
    height: 128px;
    margin: 0 auto 1rem;
}

.icon-anim-wrap img {
    width: 128px;
    height: 128px;
    opacity: 0;
    animation: iconFadeIn 0.9s ease forwards 2.2s;
}

.dot {
    position: absolute;
    border-radius: 50%;
    top: 50%;
    left: 50%;
    box-shadow: 0 0 14px rgba(100,150,255,0.5);
}

/* Large center dot - stays put, fades out */
.dot-center {
    width: 36px; height: 36px;
    margin-left: -18px;
    margin-top: -18px;
    background: rgba(120,160,220,0.95);
    box-shadow: 0 0 30px rgba(80,140,255,0.8), 0 0 60px rgba(80,140,255,0.4), 0 0 90px rgba(80,140,255,0.2);
    animation: centerFade 1.8s ease-in forwards;
}

/* Orbit wrapper - rotates the 3 small dots around center */
.dot-orbit {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    animation: orbitSpin 1.8s ease-in forwards;
}

/* Small dots at 120° intervals, each pulls toward center */
.dot-top {
    width: 18px; height: 18px;
    background: #fff;
    position: absolute;
    border-radius: 50%;
    box-shadow: 0 0 14px rgba(100,150,255,0.5);
    left: -9px;
    animation: gravityTop 1.8s ease-in forwards;
}
.dot-bl {
    width: 18px; height: 18px;
    background: #fff;
    position: absolute;
    border-radius: 50%;
    box-shadow: 0 0 14px rgba(100,150,255,0.5);
    animation: gravityBL 1.8s ease-in forwards;
}
.dot-br {
    width: 18px; height: 18px;
    background: #fff;
    position: absolute;
    border-radius: 50%;
    box-shadow: 0 0 14px rgba(100,150,255,0.5);
    animation: gravityBR 1.8s ease-in forwards;
}

/* top dot: starts 50px up, pulls to center */
@keyframes gravityTop {
    0%   { top: -59px; }
    50%  { top: -35px; }
    80%  { top: -15px; }
    100% { top: -9px; }
}
/* bottom-left: starts offset, pulls to center */
@keyframes gravityBL {
    0%   { top: 16px; left: -52px; }
    50%  { top: 8px; left: -30px; }
    80%  { top: 2px; left: -15px; }
    100% { top: -9px; left: -9px; }
}
/* bottom-right: starts offset, pulls to center */
@keyframes gravityBR {
    0%   { top: 16px; left: 34px; }
    50%  { top: 8px; left: 20px; }
    80%  { top: 2px; left: 5px; }
    100% { top: -9px; left: -9px; }
}

@keyframes orbitSpin {
    0%   { transform: rotate(0deg) scale(1.6); }
    70%  { transform: rotate(504deg) scale(0.8); }
    100% { transform: rotate(720deg) scale(0); opacity: 0; }
}

@keyframes centerFade {
    0%   { opacity: 1; transform: scale(1.6); }
    70%  { opacity: 1; transform: scale(0.8); }
    100% { opacity: 0; transform: scale(0); }
}

@keyframes dotFadeOut {
    0%   { opacity: 1; }
    100% { opacity: 0; }
}

@keyframes titleZoomIn {
    0%   { opacity: 0; transform: scale(0.3); }
    65%  { opacity: 1; transform: scale(1.05); }
    100% { opacity: 1; transform: scale(1); }
}

.main-title {
    opacity: 0;
    animation: titleZoomIn 1.1s ease-out forwards 2.2s;
}

@keyframes textFadeIn {
    0%   { opacity: 0; transform: translateY(10px); }
    100% { opacity: 1; transform: translateY(0); }
}

.subtitle {
    opacity: 0;
    animation: textFadeIn 0.8s ease-out forwards 3.0s;
}

.description {
    opacity: 0;
    animation: textFadeIn 0.8s ease-out forwards 3.3s;
}

.cta-section {
    opacity: 0;
    animation: textFadeIn 0.8s ease-out forwards 3.6s;
}

@keyframes iconFadeIn {
    0%   { opacity: 0; transform: scale(0.8); }
    100% { opacity: 1; transform: scale(1); }
}

/* Responsive Design */
@media (max-width: 900px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .main-title {
        font-size: 2.5rem;
    }

    .section {
        padding: 15px 0;
    }

    .section-card {
        padding: 30px;
        border-radius: 16px;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .release-columns,
    .setup-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .release-table th.col-size,
    .release-table td.col-size,
    .release-table th.col-sha,
    .release-table td.col-sha {
        display: none;
    }

    .llm-providers-grid {
        grid-template-columns: 1fr !important;
    }
}