:root {
    --bg-oled: #000000;
    --bg-panel: #07090B;
    --bg-card: #0A0D10;
    --border-color: #182027;
    --accent-teal: #35D5CE;
    --accent-teal-hover: #2db8b2;
    --text-primary: #FFFFFF;
    --text-secondary: #B8C2C8;
    --font-stack: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
}

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

body {
    background-color: var(--bg-oled);
    color: var(--text-primary);
    font-family: var(--font-stack);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

/* Typography */
h1, h2, h3 {
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: 4.5rem;
    letter-spacing: -0.05em;
    margin-bottom: 1.5rem;
}

h1 span {
    color: var(--accent-teal);
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

p {
    color: var(--text-secondary);
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navbar */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.5rem;
    font-weight: bold;
}

.logo img {
    width: 36px;
    height: 36px;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* Hero Section */
.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 8rem 0 6rem;
    position: relative;
    overflow: visible;
}

.glow-blob {
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(53,213,206,0.15) 0%, rgba(0,0,0,0) 70%);
    z-index: -1;
    pointer-events: none;
    filter: blur(40px);
}

.hero p {
    max-width: 700px;
    margin: 0 auto 3.5rem;
    font-size: 1.35rem;
}

/* Buttons */
.btn-group {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-bottom: 2rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1.2rem 2.5rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1.125rem;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--accent-teal);
    color: var(--bg-oled);
}

.btn-primary:hover {
    background-color: var(--accent-teal-hover);
    box-shadow: 0 0 25px rgba(53, 213, 206, 0.4);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: var(--bg-panel);
    color: var(--accent-teal);
    border-color: var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--bg-card);
    border-color: var(--accent-teal);
    transform: translateY(-2px);
}

/* Showcase Gallery (Slider) */
.slider-container {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    overflow: hidden;
    border-radius: 12px;
}

.slide {
    display: none;
    animation: fade 0.5s ease-in-out;
}

.slide.active {
    display: block;
}

@keyframes fade {
    from { opacity: 0.4 }
    to { opacity: 1 }
}

.showcase-img {
    width: 100%;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 40px rgba(0,0,0,0.8);
    transition: border-color 0.3s ease;
    cursor: zoom-in;
}

.showcase-img:hover {
    border-color: var(--accent-teal);
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(7, 9, 11, 0.7);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 16px;
    cursor: pointer;
    font-size: 24px;
    border-radius: 50%;
    transition: all 0.3s ease;
    z-index: 10;
}

.slider-btn:hover {
    background-color: var(--accent-teal);
    color: var(--bg-oled);
    border-color: var(--accent-teal);
}

.prev-btn {
    left: 20px;
}

.next-btn {
    right: 20px;
}

.slider-dots {
    text-align: center;
    margin-top: 1.5rem;
}

.dot {
    cursor: pointer;
    height: 12px;
    width: 12px;
    margin: 0 6px;
    background-color: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: inline-block;
    transition: background-color 0.3s ease;
}

.dot.active, .dot:hover {
    background-color: var(--accent-teal);
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    z-index: 9999;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    cursor: zoom-out;
}

.lightbox.active {
    display: flex;
    opacity: 1;
}

.lightbox-content {
    max-width: 90%;
    max-height: 90%;
    border-radius: 8px;
    box-shadow: 0 0 50px rgba(0,0,0,0.8);
    animation: zoomIn 0.3s ease;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 40px;
    color: #fff;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s ease;
}

.lightbox-close:hover {
    color: var(--accent-teal);
}

@keyframes zoomIn {
    from { transform: scale(0.95); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

/* Features Grid */
.features {
    padding: 6rem 0;
    background-color: var(--bg-panel);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.feature-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 3rem 2.5rem;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-teal);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--accent-teal);
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.feature-card p {
    font-size: 1rem;
    margin-bottom: 0;
}

/* Footer */
footer {
    padding: 4rem 0;
    text-align: center;
    color: var(--text-secondary);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.footer-content .logo {
    opacity: 0.5;
    transition: opacity 0.3s ease;
}

.footer-content .logo:hover {
    opacity: 1;
}

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 3rem;
    }
    
    .btn-group {
        flex-direction: column;
    }
    
    .nav-links {
        display: none;
    }
}