:root {
    --bg-dark: #111111;
    --text-white: #ffffff;
    --text-gray: #a1a1aa;
    --accent: #e6d8c3; /* Beige */
    --accent-hover: #d1c0a8;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --border-color: rgba(255, 255, 255, 0.1);
    --font-main: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
        Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue",
        sans-serif;
}

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

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

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

/* Header */
header {
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    background: rgba(17, 17, 17, 0.9);
    backdrop-filter: blur(10px);
    z-index: 100;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-white);
    text-decoration: none;
}

.nav-links a {
    color: var(--text-gray);
    text-decoration: none;
    margin-left: 20px;
    transition: color 0.3s;
}

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

/* Hero Section */
.hero {
    padding: 100px 0;
    text-align: center;
    background: radial-gradient(
        circle at center,
        rgba(230, 216, 195, 0.1) 0%,
        transparent 70%
    );
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    line-height: 1.1;
    margin-bottom: 20px;
    background: linear-gradient(to right, #fff, #aaa);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-gray);
    max-width: 700px;
    margin: 0 auto 40px;
}

.price-tag {
    font-size: 1.5rem;
    margin-bottom: 30px;
}

.old-price {
    text-decoration: line-through;
    color: var(--text-gray);
    margin-right: 10px;
}

.new-price {
    color: var(--accent);
    font-weight: 700;
    font-size: 2rem;
}

.btn-primary {
    display: inline-block;
    background-color: var(--accent);
    color: #000;
    padding: 16px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: transform 0.2s, background-color 0.2s;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: scale(1.05);
}

/* Features/Benefits */
.features {
    padding: 80px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    padding: 30px;
    border-radius: 16px;
    transition: transform 0.3s;
}

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

.feature-card h3 {
    margin-bottom: 15px;
    color: var(--accent);
}

.feature-card p {
    color: var(--text-gray);
}

/* Preview/Guide Section */
.preview {
    padding: 80px 0;
    border-top: 1px solid var(--border-color);
}

.preview h2 {
    text-align: center;
    margin-bottom: 50px;
    font-size: 2.5rem;
}

.preview-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
    max-width: 800px;
    margin: 0 auto;
}

.step {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.step-number {
    background: var(--accent);
    color: #000;
    font-weight: 700;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* Section Titles */
.section-title {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 50px;
    background: linear-gradient(to right, #fff, #ccc);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Demo Section */
.demo-section {
    padding: 60px 0;
    background: rgba(255, 255, 255, 0.02);
}

.video-wrapper {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    background: #000;
}

.video-wrapper video {
    width: 100%;
    height: auto;
    display: block;
}

/* Details Section */
.details-section {
    padding: 50px 0;
    border-top: 1px solid var(--border-color);
}

.details-grid {
    display: flex;
    align-items: center;
    gap: 60px;
    margin-bottom: 100px;
}

.details-grid:last-child {
    margin-bottom: 0;
}

.details-grid.reverse {
    flex-direction: row-reverse;
}

.detail-text {
    flex: 1;
}

.detail-text h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--accent);
}

.detail-text p {
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-bottom: 25px;
}

.detail-image {
    flex: 1;
    position: relative;
}

.detail-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s;
}

.detail-image:hover img {
    transform: scale(1.02);
    border-color: var(--accent);
}

.feature-list {
    list-style: none;
}

.feature-list li {
    margin-bottom: 12px;
    font-size: 1.1rem;
    color: var(--text-white);
}

/* Gallery Section */
.gallery-section {
    padding: 80px 0;
    background: var(--glass-bg);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.gallery-item {
    text-align: center;
}

.gallery-item img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    margin-bottom: 15px;
    transition: all 0.3s;
    cursor: pointer;
}

.gallery-item:hover img {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(230, 216, 195, 0.1);
    border-color: var(--accent);
}

.gallery-item span {
    color: var(--text-gray);
    font-size: 0.9rem;
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* Navigation Button */
.nav-links .btn-buy-nav {
    background-color: var(--accent);
    color: #000;
    padding: 8px 16px 10px 16px;
    border-radius: 20px;
    font-weight: 700;
    text-decoration: none;
    transition: background 0.3s;
}

.nav-links .btn-buy-nav:hover {
    background-color: transparent;
    border: 1px solid var(--accent);
    color: var(--accent);
}

/* Hamburger Button */
.hamburger-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 101;
}

.hamburger-btn span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--text-white);
    border-radius: 3px;
    transition: all 0.3s;
}

/* Active Hamburger State */
.hamburger-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger-btn.active span:nth-child(2) {
    opacity: 0;
}

.hamburger-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ... existing styles ... */

/* Responsive Styles Overhaul */
@media (max-width: 768px) {
    /* Global Mobile Adjustments */
    .container {
        padding: 0 25px;
    }

    body {
        font-size: 16px; /* Better readability */
    }

    /* Hamburger Button */
    .hamburger-btn {
        display: flex;
        z-index: 1001; /* Ensure it's above the menu overlay (1000) */
        position: relative;
    }

    /* Premium Mobile Menu Overlay */
    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        height: 100vh;
        width: 100%;
        background: rgba(10, 10, 10, 0.95); /* darker for better contrast */
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        display: flex; /* Ensure flex is explicit */
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 20px; /* Reduced gap since we added margin to links */
        opacity: 0;
        visibility: hidden;
        transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
        z-index: 1000; /* Ensure it's above everything including the header */
    }

    .nav-links.active {
        opacity: 1;
        visibility: visible;
    }

    /* Menu Link Animations */
    .nav-links a {
        margin-left: 0;
        font-size: 2rem;
        font-weight: 700;
        color: var(--text-white);
        transform: translateY(20px);
        opacity: 0;
        transition: transform 0.4s ease, opacity 0.4s ease;
    }

    .nav-links.active a {
        transform: translateY(0);
        opacity: 1;
    }

    /* Staggered animation for links */
    .nav-links.active a:nth-child(1) {
        transition-delay: 0.1s;
    }
    .nav-links.active a:nth-child(2) {
        transition-delay: 0.15s;
    }
    .nav-links.active a:nth-child(3) {
        transition-delay: 0.2s;
    }
    .nav-links.active a:nth-child(4) {
        transition-delay: 0.25s;
    }
    .nav-links.active a:nth-child(5) {
        transition-delay: 0.3s;
    }

    /* Button in Menu */
    .btn-buy-nav {
        font-size: 1.5rem;
        padding: 12px 30px;
        background: var(--accent);
        color: #000 !important;
    }

    /* Typography & Spacing Fixes */
    .hero {
        padding: 60px 0;
    }

    .hero h1 {
        font-size: clamp(2.2rem, 10vw, 3rem);
        line-height: 1.2;
        margin-bottom: 25px;
    }

    .hero p {
        font-size: 1.1rem;
        padding: 0 10px;
    }

    .section-title {
        font-size: 1.8rem;
        margin-bottom: 40px;
    }

    /* Stacked Sections with Breathing Room */
    .details-grid,
    .details-grid.reverse {
        flex-direction: column;
        gap: 40px;
        text-align: center;
        margin-bottom: 80px;
    }

    .detail-text h3 {
        font-size: 1.6rem;
    }

    /* Cards & Grids */
    .features-grid,
    .gallery-grid {
        gap: 30px;
    }

    .feature-card {
        padding: 25px;
    }

    .feature-list {
        display: inline-block;
        text-align: left;
        margin-top: 15px;
    }

    /* Video Wrapper Mobile Fix */
    .video-wrapper {
        border-radius: 8px;
        margin-top: 20px;
    }
}

/* Lightbox Styles */
.lightbox {
    display: none;
    position: fixed;
    z-index: 2000;
    padding-top: 50px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
}

.lightbox-content {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 900px;
    max-height: 80vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 0 50px rgba(255, 255, 255, 0.1);
    animation: zoomIn 0.3s;
}

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

.close-lightbox {
    position: absolute;
    top: 15px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    transition: 0.3s;
    cursor: pointer;
    z-index: 2001;
}

.close-lightbox:hover,
.close-lightbox:focus {
    color: var(--accent);
    text-decoration: none;
    cursor: pointer;
}

/* Make images cursor pointer */
.gallery-item img,
.detail-image img {
    cursor: zoom-in;
}

/* Footer */
footer {
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
    margin-top: 80px;
    color: var(--text-gray);
}