/* Main CSS - Luxury Ocean Theme */

:root {
    /* Colors */
    --color-bg-dark: #020610;
    /* Deepest Ocean Blue */
    --color-bg-card: rgba(10, 25, 45, 0.4);
    --color-primary: #ffffff;
    /* Stark White for contrast */
    --color-secondary: #c0c5d0;
    /* Silver/Grey for body */
    --color-accent: #FFE600;
    /* Luxury Yellow / Signal */

    --color-border: rgba(255, 255, 255, 0.08);

    /* Typography */
    --font-heading: 'Inter', 'Helvetica Neue', 'Helvetica', sans-serif;
    --font-body: 'Inter', 'Helvetica Neue', 'Helvetica', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1.5rem;
    --spacing-md: 3rem;
    --spacing-lg: 6rem;
    --spacing-xl: 10rem;

    /* Effects */
    --glass-bg: rgba(2, 6, 16, 0.7);
    --glass-border: 1px solid rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);

    --glow-accent: 0 0 20px rgba(255, 230, 0, 0.3);
}

/* Reset & Base */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    height: 100%;
}

body {
    background-color: var(--color-bg-dark);
    background-image: radial-gradient(circle at 50% 0%, #0a1525 0%, #020610 60%);
    background-attachment: fixed;
    color: var(--color-secondary);
    font-family: var(--font-body);
    line-height: 1.7;
    overflow-x: hidden;
    min-height: 100%;
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.4s ease;
}

ul {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    /* Bold/Black */
    line-height: 1.1;
    letter-spacing: -0.02em;
    /* Tighter tracking for modern look */
    color: var(--color-primary);
}

h1 {
    font-size: clamp(3rem, 6vw, 5.5rem);
    font-weight: 800;
}

h2 {
    font-size: clamp(2rem, 4vw, 3.5rem);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

p {
    margin-bottom: var(--spacing-sm);
    font-weight: 400;
}

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

.text-white {
    color: #fff;
}

/* Global Layout Utilities */
.container {
    width: 100%;
    max-width: 1440px;
    /* Wider container */
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xl) 0;
    position: relative;
    overflow: hidden;
}

.section-narrow {
    max-width: 800px;
    margin: 0 auto;
}

.grid {
    display: grid;
    gap: var(--spacing-md);
}

.flex-center {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hidden {
    display: none !important;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-dark);
}

::-webkit-scrollbar-thumb {
    background: #333;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent);
}

/* Catalog Filters & Pagination */
.filter-btn {
    padding: 0.8rem 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-secondary);
    font-family: var(--font-heading);
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    border-radius: 30px;
    transition: all 0.3s ease;
    background: transparent;
    cursor: pointer;
}

.filter-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.filter-btn.active {
    background: var(--color-primary);
    color: var(--color-bg-dark);
    border-color: var(--color-primary);
    font-weight: 700;
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.2);
}

.pagination-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-secondary);
    border-radius: 50%;
    font-family: var(--font-heading);
    font-weight: 600;
    transition: all 0.3s ease;
    background: transparent;
    cursor: pointer;
}

.pagination-btn:hover:not(:disabled) {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

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

.pagination-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}