:root {
    /* Theme: Bright New Year (White/Gold/Black) */
    --color-bg-main: #ffffff;
    --color-bg-secondary: #f9fafb;
    /* Gray 50 */
    --color-bg-card: #ffffff;

    --color-text-main: #171717;
    /* Neutral 900 */
    --color-text-muted: #525252;
    /* Neutral 600 */

    --color-accent-gold: #d97706;
    /* Amber 600 */
    --color-accent-gold-light: #fbbf24;
    /* Amber 400 */
    --color-accent-silver: #4b5563;
    /* Gray 600 */

    --font-main: 'Inter', system-ui, -apple-system, sans-serif;

    --spacing-container: 1280px;

    /* Gradients */
    --gradient-hero: radial-gradient(circle at center, #1a1a1a 0%, #000000 100%);
    --gradient-gold: linear-gradient(135deg, #FFF8E1 0%, #FFECB3 100%);
    /* Subtle gold wash */
    --gradient-silver: linear-gradient(135deg, #F9FAFB 0%, #F3F4F6 100%);
    /* Subtle silver wash */
    --gradient-fire: linear-gradient(135deg, #fbbf24 0%, #d97706 100%);
    /* Button gradient */
}

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

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

/* Utilities */
.container {
    max-width: var(--spacing-container);
    margin: 0 auto;
    padding: 0 20px;
}

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

.text-silver {
    color: var(--color-accent-silver);
}

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

.uppercase {
    text-transform: uppercase;
}

.font-bold {
    font-weight: 700;
}

.flex {
    display: flex;
}

.grid {
    display: grid;
}

.hidden {
    display: none;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 0.75rem;
    font-weight: 700;
    text-decoration: none;
    text-transform: uppercase;
    transition: all 0.3s ease;
    cursor: pointer;
    /* Ensure buttons are above fireworks canvas */
    position: relative;
    z-index: 20;
}

.btn-gold {
    background: var(--gradient-fire);
    color: #fff;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    box-shadow: 0 4px 15px rgba(217, 119, 6, 0.4);
}

.btn-gold:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(217, 119, 6, 0.6);
}

.btn-outline {
    border: 2px solid var(--color-accent-gold);
    color: var(--color-accent-gold);
    background: transparent;
}

.btn-outline:hover {
    background: var(--gradient-fire);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(217, 119, 6, 0.3);
}

/* Sections */
section {
    padding: 6rem 0;
    position: relative;
}

/* Section Dividers (SVG/Shape) */
.section-divider {
    position: absolute;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
}

.divider-top {
    top: 0;
    transform: translateY(-99%);
}

.divider-bottom {
    bottom: 0;
    transform: translateY(99%);
}

/* Hero */
.hero {
    position: relative;
    padding: 10rem 0 8rem;
    /* Dark Hero for Fireworks Contrast */
    background: linear-gradient(to bottom, #1a1a1a 0%, #000000 100%);
    overflow: hidden;
    color: #fff;
    /* Keep text white in hero */
    clip-path: polygon(0 0, 100% 0, 100% 90%, 0 100%);
    /* Diagonal cut */
    margin-bottom: -4rem;
    /* Overlap with next section */
    z-index: 10;
}

/* Foreground Cityscape Layer */
.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/cityscape_mask.png');
    background-size: cover;
    background-position: center bottom;
    background-repeat: no-repeat;
    z-index: 2;
    /* Above Canvas (z-index 1) */
    pointer-events: none;
    mix-blend-mode: multiply;
    /* White sky becomes transparent, Black buildings stay black */
}

/* Keep hero text explicitly white since body is now light */
.hero h1,
.hero p,
.hero .hero-tag {
    /* Variables don't strictly apply here if they are dark-on-light */
}

.hero-content {
    position: relative;
    z-index: 10;
    /* Above Cityscape and Fireworks */
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #ffffff, #d4d4d4);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero p {
    color: #d4d4d4 !important;
}

.hero-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    border: 1px solid #fbbf24;
    color: #fbbf24;
    border-radius: 50px;
    font-size: 0.875rem;
    margin-bottom: 2rem;
    letter-spacing: 2px;
}

/* Offers Section */
.offers-section {
    background: var(--gradient-gold);
    padding-top: 8rem;
    /* Account for hero overlap */
    padding-bottom: 8rem;
    clip-path: polygon(0 5%, 100% 0, 100% 100%, 0 95%);
    /* Reverse diagonal cut */
}

.offers-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.offer-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 1rem;
    padding: 2.5rem;
    position: relative;
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.offer-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.offer-card.popular {
    border: 2px solid var(--color-accent-gold);
    background: #fff;
    transform: scale(1.05);
    z-index: 5;
    box-shadow: 0 25px 50px rgba(217, 119, 6, 0.2);
}

.popular-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-fire);
    color: #fff;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.price-block {
    margin: 1.5rem 0;
}

.original-price {
    color: var(--color-text-muted);
    text-decoration: line-through;
    font-size: 0.9rem;
}

.current-price {
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-text-main);
    line-height: 1;
}

.offer-card.popular .current-price {
    color: var(--color-accent-gold);
}

.save-badge {
    color: var(--color-accent-gold);
    font-weight: bold;
    font-size: 0.9rem;
    margin-top: 0.5rem;
    display: block;
}

.features-list {
    list-style: none;
    margin: 2rem 0;
    flex-grow: 1;
}

.features-list li {
    margin-bottom: 0.75rem;
    display: flex;
    align-items: flex-start;
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.features-list li svg {
    margin-right: 0.75rem;
    flex-shrink: 0;
    color: var(--color-accent-gold);
}

/* Services Section */
.services-section {
    background: #fff;
    padding-top: 6rem;
}

.service-item {
    padding: 2.5rem;
    background: linear-gradient(135deg, #fff 0%, #f9fafb 100%);
    border-radius: 1rem;
    border: 1px solid #f3f4f6;
    transition: all 0.3s ease;
    /* Center Content */
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.service-item:hover {
    border-color: var(--color-accent-gold-light);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
    transform: translateY(-5px);
}

.service-item h3 {
    margin-bottom: 1rem;
}

.service-item p {
    margin-bottom: 2rem;
    color: var(--color-text-muted);
}

.service-item .btn {
    margin-top: auto;
    /* Pushes button to bottom if heights vary */
    min-width: 150px;
}

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

/* Footer */
footer {
    border-top: 1px solid #e5e7eb;
    padding: 4rem 0;
    color: var(--color-text-muted);
    font-size: 0.9rem;
    background: #fafafa;
}

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

    .offers-grid {
        grid-template-columns: 1fr;
    }

    .hero {
        clip-path: polygon(0 0, 100% 0, 100% 95%, 0 100%);
        margin-bottom: -2rem;
    }

    .offers-section {
        clip-path: polygon(0 2%, 100% 0, 100% 100%, 0 98%);
        padding-top: 4rem;
    }

    .offer-card.popular {
        transform: scale(1);
    }
}