/* Reset & Base */
:root {
    --bg-color: #111111;
    --text-color: #ffffff;
    --accent-color: #5cc4b9;
    --secondary-bg: #1a1a1a;
    --font-main: 'Inter', sans-serif;
}

/* ... (rest of file) ... */

/* Logo */
.logo-img {
    height: 60px;
    width: auto;
    display: block;
}

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

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

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

ul {
    list-style: none;
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    background: rgba(17, 17, 17, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: -0.02em;
}

.nav a {
    margin-left: 30px;
    font-size: 0.9rem;
    font-weight: 500;
    opacity: 0.8;
}

.nav a:hover {
    opacity: 1;
    color: var(--accent-color);
}

/* Hero */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: radial-gradient(circle at center, #222 0%, #111 100%);
    padding-top: 80px;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 20px;
    background: linear-gradient(to right, #fff, #aaa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.2rem;
    color: #888;
    margin-bottom: 40px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background: var(--accent-color);
    color: #000;
    font-weight: 600;
    border-radius: 30px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 212, 255, 0.2);
}

/* Sections */
.section {
    padding: 100px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 40px;
    text-align: center;
}

.section-desc {
    text-align: center;
    color: #888;
    margin-bottom: 50px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Subsections */
.subsection-title {
    font-size: 1.5rem;
    margin: 40px 0 20px;
    padding-left: 10px;
    border-left: 4px solid var(--accent-color);
    color: #ddd;
}

/* Carousel */
.carousel-wrapper {
    position: relative;
    margin-bottom: 60px;
    display: flex;
    align-items: center;
}

.carousel-container {
    overflow: hidden;
    width: 100%;
    border-radius: 12px;
}

.carousel-track {
    display: flex;
    gap: 20px;
    transition: transform 0.5s ease-in-out;
    padding: 10px 0;
}

.carousel-item {
    min-width: 300px;
    height: 400px;
    background-size: cover;
    background-position: center;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

.carousel-item:hover {
    transform: scale(1.03);
    z-index: 2;
}

.carousel-btn {
    background: rgba(0, 0, 0, 0.5);
    border: none;
    color: white;
    font-size: 2rem;
    padding: 10px 15px;
    cursor: pointer;
    position: absolute;
    z-index: 10;
    border-radius: 50%;
    transition: background 0.3s;
}

.carousel-btn:hover {
    background: var(--accent-color);
    color: #000;
}

.carousel-btn.prev {
    left: -20px;
}

.carousel-btn.next {
    right: -20px;
}

/* Video Grid */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.video-wrapper {
    background: #000;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

.video-wrapper:hover {
    transform: translateY(-5px);
}

/* Logo */
.logo-img {
    height: 60px;
    width: auto;
    display: block;
}

/* Video Carousel Items */
.video-item-wrapper {
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.video-item-wrapper video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-wrapper video {
    width: 100%;
    display: block;
    aspect-ratio: 16/9;
}

/* Nav Highlight */
.nav-highlight {
    color: var(--accent-color) !important;
    border: 1px solid var(--accent-color);
    padding: 5px 15px;
    border-radius: 20px;
}

.nav-highlight:hover {
    background: var(--accent-color);
    color: #000 !important;
}

/* Tours */
.tour-controls {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.tour-btn {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    padding: 10px 20px;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-main);
}

.tour-btn:hover,
.tour-btn.active {
    background: var(--accent-color);
    color: #000;
    border-color: var(--accent-color);
}

.iframe-container {
    width: 100%;
    height: 70vh;
    border-radius: 12px;
    overflow: hidden;
    background: #000;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.iframe-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* Photogrammetry */
.luma-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}

@media (min-width: 768px) {
    .luma-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.luma-embed {
    aspect-ratio: 9/16;
    /* Adjust based on embed typical ratio, usually vertical for mobile scans or square */
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
    background: #000;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.luma-embed iframe {
    width: 100%;
    height: 100%;
}

/* Footer */
.footer {
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #666;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .nav {
        display: none;
        /* Simple mobile hide for now, can enhance later */
    }
}