:root {
    --bg-dark: #0f172a; 
    --bg-card: rgba(30, 41, 59, 0.85); 
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --accent: #3b82f6; 
    --accent-gold: #d4af37; 
    --accent-green: #22c55e; 
    --nav-border: #334155;
    --card-border: #2e3b4e;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background-color: var(--bg-dark);
    background-image: linear-gradient(rgba(15, 23, 42, 0.90), rgba(15, 23, 42, 0.95)), url('bg-pattern.jpg');
    background-size: cover;
    background-attachment: fixed;
    background-position: center;
    color: var(--text-main);
    line-height: 1.6;
    position: relative;
}

.navbar {
    background-color: rgba(15, 23, 42, 0.8);
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--nav-border);
    z-index: 1000;
}

.nav-content {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    color: var(--text-main);
    font-weight: bold;
}

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

.nav-links {
    display: flex;
    align-items: center;
}

.nav-links a {
    color: var(--text-main);
    text-decoration: none;
    margin-left: 2rem;
    font-weight: 500;
    transition: color 0.2s;
}

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

.dropdown {
    position: relative;
    display: inline-block;
    margin-left: 2rem;
    height: 100%; /* Ensures the hover target stretches */
    padding-bottom: 1rem; /* Bridges the gap */
    margin-bottom: -1rem; /* Offsets the padding */
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 100%; /* Snaps exactly to the bottom of the navbar */
    left: 0;
    background-color: #1e293b;
    min-width: 220px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.5);
    z-index: 1001; /* Ensure it stays above everything */
    border-radius: 6px;
    border: 1px solid var(--nav-border);
}

.dropdown-content a {
    color: var(--text-main);
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    margin-left: 0;
    border-bottom: 1px solid var(--nav-border);
}

.dropdown-content a:hover {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--accent);
}

.dropdown:hover .dropdown-content {
    display: block;
}

.disabled-link {
    color: var(--text-muted) !important;
    cursor: not-allowed;
}

.btn-download, .btn-donate {
    display: inline-block;
    padding: 0.85rem 1.75rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: bold;
    transition: background 0.2s, transform 0.1s;
}

.btn-download {
    background-color: var(--accent);
    color: white;
    font-size: 1.2rem;
    margin-top: 1.5rem;
}

.btn-download:hover {
    background-color: #2563eb;
    transform: translateY(-2px);
}

.btn-donate {
    background-color: var(--accent-gold);
    color: var(--bg-dark);
    margin-left: 2rem !important;
}

.btn-donate:hover {
    background-color: #b8972e;
    color: var(--bg-dark);
}

/* Hero Section */
.hero {
    padding: 6rem 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.hero-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 3rem;
}

.core-logo {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    box-shadow: 0 0 40px rgba(212, 175, 55, 0.25);
    border: 2px solid rgba(212, 175, 55, 0.4);
}

.hero h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    line-height: 1.2;
    color: var(--text-main);
}

.hero p {
    color: var(--text-muted);
    font-size: 1.25rem;
}

.file-size-check {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.9rem !important;
    color: var(--accent-gold) !important;
}

.free-tools-section, .about-section {
    max-width: 1000px;
    margin: 0 auto 4rem auto;
    padding: 0 2rem;
}

.free-tools-section h3 {
    font-size: 2.2rem;
    margin-bottom: 2rem;
    text-align: center;
}

.tool-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.tool-card, .settings-card {
    background-color: var(--bg-card);
    padding: 2.5rem;
    border-radius: 8px;
    border: 1px solid var(--card-border);
    backdrop-filter: blur(5px);
}

.tool-card h4, .settings-card h4 {
    margin-bottom: 1.5rem;
    color: var(--accent);
    font-size: 1.3rem;
}

.settings-card {
    margin-top: 2rem;
}

.settings-card h4 {
    color: var(--accent-gold);
}

.settings-card ul {
    list-style-type: none;
}

.settings-card ul li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-muted);
}

.settings-card ul li::before {
    content: "•";
    color: var(--accent-gold);
    position: absolute;
    left: 0;
    font-size: 1.2rem;
}

/* Expandable Accordions */
.feature-accordion {
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--nav-border);
    padding-bottom: 0.5rem;
}

.feature-accordion summary {
    font-weight: bold;
    color: var(--text-main);
    cursor: pointer;
    list-style: none;
    padding: 0.5rem 0;
    transition: color 0.2s;
}

.feature-accordion summary::-webkit-details-marker {
    display: none;
}

.feature-accordion summary:before {
    content: "+ ";
    color: var(--accent-gold);
    font-weight: bold;
    margin-right: 5px;
}

.feature-accordion[open] summary:before {
    content: "- ";
}

.feature-accordion summary:hover {
    color: var(--accent);
}

.feature-accordion p {
    color: var(--text-muted);
    padding: 0.5rem 1rem 1rem 1.5rem;
    font-size: 0.95rem;
    border-left: 2px solid var(--accent);
    margin-left: 5px;
    margin-top: 0.5rem;
}

.about-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    align-items: start;
}

.developer-name {
    font-size: 2rem;
    color: var(--accent-gold);
    margin-bottom: 0.2rem;
}

.developer-title {
    color: var(--accent);
    font-weight: 500;
    margin-bottom: 1.5rem !important;
}

.about-text-wrapper p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.linkedin-link {
    display: inline-block;
    margin-top: 1rem;
    color: var(--accent);
    text-decoration: none;
    font-weight: bold;
}

.linkedin-link:hover {
    color: var(--accent-gold);
}

.about-bullets {
    list-style-type: none;
    font-weight: 500;
}

.about-bullets li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-main);
}

.about-bullets li::before {
    content: "→";
    color: var(--accent-gold);
    position: absolute;
    left: 0;
    font-size: 1.2rem;
}
footer {
    text-align: center;
    padding: 2rem;
    border-top: 1px solid var(--nav-border);
    color: var(--text-muted);
    background-color: rgba(15, 23, 42, 0.95);
    margin-top: auto;
}
.solutions-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 800px;
    margin: 0 auto;
}

.solution-item {
    background: transparent;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--nav-border);
}

.solution-item:last-child {
    border-bottom: none;
}

.solution-item h4 {
    font-size: 1.5rem;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.solution-link {
    display: inline-block;
    margin-top: 1rem;
    color: var(--accent-gold);
    text-decoration: none;
    font-weight: bold;
    transition: color 0.2s;
}

.solution-link:hover {
    color: var(--accent);
}

.carousel-container {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    border: 1px solid var(--card-border);
}

.carousel-slides {
    display: flex;
    transition: transform 0.4s ease-in-out;
}

.carousel-slide {
    min-width: 100%;
    display: block;
    object-fit: cover;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(15, 23, 42, 0.7); /* Semi-transparent dark blue overlay */
    color: var(--text-main);
    border: none;
    cursor: pointer;
    padding: 1rem 0.5rem;
    font-size: 1.5rem;
    transition: background-color 0.2s, color 0.2s;
    z-index: 10;
}

.carousel-btn:hover {
    background-color: rgba(15, 23, 42, 0.95);
    color: var(--accent-gold);
}

.carousel-btn.prev {
    left: 0;
    border-top-right-radius: 4px;
    border-bottom-right-radius: 4px;
}

.carousel-btn.next {
    right: 0;
    border-top-left-radius: 4px;
    border-bottom-left-radius: 4px;
}

.hero-manifest {
    margin-top: 1.5rem;
    font-family: "Consolas", "Courier New", monospace;
    color: var(--text-muted);
    font-size: 0.95rem;
    background-color: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--card-border);
    padding: 1rem 1.5rem;
    border-radius: 6px;
    display: inline-block;
    text-align: left;
}

.hero-verify {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}