/* =========================================
   VARIABLES & THEME
   ========================================= */
:root {
    /* Colors - Premium Dark/Gold Theme */
    --bg-main: #0a0a0c;
    --bg-card: #141418;
    --bg-card-hover: #1c1c22;
    --text-primary: #f8f9fa;
    --text-secondary: #adb5bd;
    --accent-primary: #d4af37;
    /* Gold */
    --accent-primary-hover: #c5a028;
    --accent-secondary: #00d2ff;

    /* Typography */
    --font-main: 'Outfit', sans-serif;

    /* Variables */
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --border-radius: 12px;
    --border-color: rgba(255, 255, 255, 0.08);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* =========================================
   RESET & BASE 
   ========================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

ul {
    list-style: none;
}

span.highlight {
    color: var(--accent-primary);
}

/* =========================================
   LAYOUT & CONTAINERS
   ========================================= */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 10px;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.hidden {
    display: none !important;
}

/* =========================================
   TYPOGRAPHY
   ========================================= */
h1,
h2,
h3,
h4,
h5,
h6 {
    line-height: 1.2;
}

/* =========================================
   BUTTONS
   ========================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

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

.btn-primary:hover {
    background-color: var(--accent-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: var(--accent-primary);
    border: 1px solid var(--accent-primary);
}

.btn-secondary:hover {
    background-color: rgba(212, 175, 55, 0.1);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

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

.full-width {
    width: 100%;
}

/* =========================================
   NAVIGATION
   ========================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 12, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.logo span {
    color: var(--accent-primary);
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-weight: 600;
    color: var(--text-secondary);
    transition: var(--transition);
    position: relative;
}

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

/* Underline animation */
.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--accent-primary);
    transition: var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.mobile-toggle span {
    width: 30px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
}

/* =========================================
   HERO AREA
   ========================================= */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
    position: relative;
    background: radial-gradient(circle at center, rgba(212, 175, 55, 0.05) 0%, transparent 70%);
}

.hero-content {
    text-align: center;
    max-width: 800px;
    z-index: 2;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.hero h1 span {
    background: linear-gradient(135deg, var(--accent-primary), #ffdf73);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
}

/* =========================================
   PRODUCTS GRID & CARDS
   ========================================= */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-5px);
    background: var(--bg-card-hover);
    border-color: rgba(212, 175, 55, 0.3);
    box-shadow: var(--shadow);
}

.product-image {
    width: 100%;
    height: 200px;
    background: #1a1a20;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.product-card:hover .product-image img {
    transform: scale(1.05);
}

.product-content {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.product-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.product-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 20px;
    flex-grow: 1;
}

.product-price-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 20px;
}

.price {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--accent-primary);
}

/* =========================================
   MODALS
   ========================================= */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.show {
    display: flex;
    opacity: 1;
}

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 40px;
    width: 100%;
    max-width: 450px;
    position: relative;
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.modal.show .modal-content {
    transform: translateY(0);
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
}

.close-modal:hover {
    color: var(--text-primary);
}

/* =========================================
   FORMS & AUTH
   ========================================= */
.auth-tabs {
    display: flex;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
}

.auth-tab {
    flex: 1;
    background: transparent;
    border: none;
    padding: 10px;
    color: var(--text-secondary);
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    font-size: 1rem;
    position: relative;
}

.auth-tab.active {
    color: var(--accent-primary);
}

.auth-tab.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent-primary);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 0.9rem;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-primary);
    background: rgba(255, 255, 255, 0.08);
}

/* Select element styling */
.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23adb5bd' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 15px center;
    background-size: 16px;
    padding-right: 40px;
}

.form-group select option {
    background-color: var(--bg-card);
    color: var(--text-primary);
}

.form-messages {
    margin-top: 15px;
    font-size: 0.9rem;
    text-align: center;
}

.form-messages.error {
    color: #ff4757;
}

.form-messages.success {
    color: #2ed573;
}

/* =========================================
   DASHBOARD SCREENS
   ========================================= */
.page-header {
    padding: 120px 0 60px;
    background: linear-gradient(180deg, rgba(20, 20, 24, 0.8) 0%, var(--bg-main) 100%);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 40px;
}

.page-header h1 {
    font-size: 3rem;
}

.page-header span {
    color: var(--accent-primary);
}

.auth-required-box {
    text-align: center;
    padding: 60px 20px;
    background: var(--bg-card);
    border: 1px dashed var(--border-color);
    border-radius: var(--border-radius);
    max-width: 500px;
    margin: 0 auto;
}

.auth-required-box svg {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.auth-required-box h3 {
    margin-bottom: 10px;
}

.auth-required-box p {
    color: var(--text-secondary);
    margin-bottom: 30px;
}

/* =========================================
   FOOTER
   ========================================= */
footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    padding: 60px 0 20px;
    margin-top: 80px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand p {
    color: var(--text-secondary);
    margin-top: 15px;
    max-width: 300px;
}

.footer-links h4 {
    margin-bottom: 20px;
}

.footer-links a {
    display: block;
    color: var(--text-secondary);
    margin-bottom: 10px;
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

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

    .nav-links {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background: var(--bg-card);
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-toggle {
        display: flex;
    }

    .hero-buttons {
        flex-direction: column;
    }
}