:root {
    --app-color: #4ADE80;
    --bg-primary: #1C1E24;
    --bg-secondary: #13151A;
    --text-primary: #E8EAF0;
    --text-secondary: #aaaaaa;

    /* Color cycle for the icon - matching HTML data-colors */
    --color-1: #4ADE80;
    /* Green */
    --color-2: #60A5FA;
    /* Blue */
    --color-3: #F472B6;
    /* Pink */
    --color-4: #FB923C;
    /* Orange */
    --color-5: #A78BFA;
    /* Purple */
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
}

h1,
h2,
h3 {
    font-family: 'Outfit', sans-serif;
    font-weight: 900;
}

header {
    padding: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: inherit;
}

.logo-small {
    width: 32px;
    height: auto;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -1px;
}

.logo-span {
    color: var(--app-color);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.btn-doc-header {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.btn-doc-header:hover {
    color: var(--app-color);
}

.btn-launch {
    background-color: var(--app-color);
    color: var(--bg-secondary);
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3), 0 0 20px var(--app-color);
    border: none;
    cursor: pointer;
    display: inline-block;
}

.btn-launch:hover {
    transform: translateY(-2px);
    filter: brightness(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4), 0 0 30px var(--app-color);
}

.btn-header-launch {
    background: transparent;
    border: 1px solid var(--app-color);
    color: var(--app-color);
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2), 0 0 15px color-mix(in srgb, var(--app-color), transparent 80%);
    cursor: pointer;
    display: inline-block;
}

.btn-header-launch:hover {
    background: color-mix(in srgb, var(--app-color), transparent 90%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3), 0 0 25px color-mix(in srgb, var(--app-color), transparent 60%);
}

.hero-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    width: 100%;
}

.cta-buttons {
    display: flex;
    gap: 1.2rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-doc {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #fff;
    padding: 1.2rem 2.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn-doc:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--app-color);
    transform: translateY(-2px);
    color: var(--app-color);
}

.cta-hint {
    font-size: 0.8rem;
    color: #fff;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    font-family: 'Outfit', sans-serif;
    border: 1px solid color-mix(in srgb, var(--app-color), transparent 80%);
    padding: 0.4rem 1.2rem;
    border-radius: 2rem;
    background: color-mix(in srgb, var(--app-color), transparent 96%);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    pointer-events: none;
}

main {
    min-height: calc(100vh - 100px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem 2rem;
    text-align: center;
    position: relative;
}

.hero-badge {
    background: color-mix(in srgb, var(--app-color), transparent 90%);
    border: 1px solid color-mix(in srgb, var(--app-color), transparent 80%);
    color: var(--app-color);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 2rem;
    display: inline-block;
    transition: all 0.3s ease;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    max-width: 900px;
    margin-bottom: 1.5rem;
    background: linear-gradient(180deg, #fff 0%, #aaa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.1;
}

.hero-desc {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin-bottom: 3rem;
}

.logo-hero {
    width: 180px;
    height: auto;
    margin-bottom: 2rem;
}

/* Ensure SVG scales correctly and has a nice shadow */
.logo-hero svg,
.logo-preview svg {
    width: 180px;
    height: auto;
    display: block;
    filter: drop-shadow(0 0 30px color-mix(in srgb, var(--app-color), transparent 80%));
    transition: filter 0.3s ease;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    width: 100%;
    max-width: 1000px;
    margin-top: 4rem;
}

.feature-card {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid var(--border-primary, #2E3240);
    text-align: left;
    transition: all 0.3s;
}

.feature-card:hover {
    border-color: var(--app-color);
    transform: translateY(-5px);
}

.feature-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--app-color);
}

.feature-icon svg {
    width: 100%;
    height: 100%;
    stroke-width: 2px;
}

.card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 1.25rem;
}

.feature-card h3 {
    color: #fff;
    font-size: 1.1rem;
}

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

.theme-highlight {
    margin-top: 6rem;
    padding: 4rem 2rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 2rem;
    border: 1px solid color-mix(in srgb, var(--app-color), transparent 95%);
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.theme-preview-container {
    margin-bottom: 2.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.theme-preview-container .logo-preview {
    width: 120px;
    height: auto;
}

.color-dots {
    display: flex;
    gap: 1.2rem;
    justify-content: center;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.dot {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.2s;
    border: 2px solid rgba(255, 255, 255, 0.1);
}

.dot:hover {
    transform: scale(1.2);
    box-shadow: 0 0 15px var(--dot-color);
}

.dot-1 {
    --dot-color: var(--color-1);
    background: var(--color-1);
}

.dot-2 {
    --dot-color: var(--color-2);
    background: var(--color-2);
}

.dot-3 {
    --dot-color: var(--color-3);
    background: var(--color-3);
}

.dot-4 {
    --dot-color: var(--color-4);
    background: var(--color-4);
}

.dot-5 {
    --dot-color: var(--color-5);
    background: var(--color-5);
}

.dot-picker {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: white;
    font-weight: bold;
    position: relative;
    overflow: hidden;
}

.dot-picker input[type="color"] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

@keyframes pulse-dot {

    0%,
    100% {
        transform: scale(1);
        opacity: 0.5;
    }

    50% {
        transform: scale(1.2);
        opacity: 1;
    }
}

.dot-1 {
    animation: pulse-dot 2s infinite ease-in-out;
    animation-delay: 0s;
}

.dot-2 {
    animation: pulse-dot 2s infinite ease-in-out;
    animation-delay: 0.2s;
}

.dot-3 {
    animation: pulse-dot 2s infinite ease-in-out;
    animation-delay: 0.4s;
}

.dot-4 {
    animation: pulse-dot 2s infinite ease-in-out;
    animation-delay: 0.6s;
}

.dot-5 {
    animation: pulse-dot 2s infinite ease-in-out;
    animation-delay: 0.8s;
}

.support-section {
    margin-top: 6rem;
    margin-bottom: 4rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    /* gap: 1rem; */
    max-width: 800px;
}

.support-title {
    font-size: 2rem;
    margin-bottom: 0.1rem;
    color: #fff;
}

.support-desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.btn-support {
    display: flex;
    align-items: center;
    gap: 12px;
    background: color-mix(in srgb, var(--app-color), transparent 92%);
    border: 1px solid color-mix(in srgb, var(--app-color), transparent 70%);
    color: var(--app-color);
    padding: 1.1rem 2.2rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    font-family: 'Outfit', sans-serif;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn-support svg {
    width: 22px;
    height: 22px;
    color: var(--app-color);
    transition: transform 0.3s ease;
}

.btn-support:hover {
    background: color-mix(in srgb, var(--app-color), transparent 85%);
    border-color: var(--app-color);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3), 0 0 20px color-mix(in srgb, var(--app-color), transparent 80%);
}

.btn-support:hover svg {
    transform: rotate(-10deg) scale(1.1);
}

.support-footer {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
    opacity: 0.7;
}

.heart-icon {
    color: var(--app-color);
    transition: color 0.3s ease;
    display: inline-block;
    filter: drop-shadow(0 0 5px color-mix(in srgb, var(--app-color), transparent 60%));
}

footer {
    padding: 4rem 2rem;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-contact {
    margin-top: 1rem;
    font-size: 0.85rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.glow {
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(74, 222, 128, 0.05) 0%, transparent 70%);
    z-index: -1;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.8rem;
    }

    header {
        padding: 1.5rem;
    }
}