/* ===== Modern Premium Theme Variables ===== */
:root {
    --bg-base: #000000;
    --bg-surface: #0a0a0b;
    --bg-card: #111113;
    --bg-elevated: #161618;

    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.15);
    --border-hover: rgba(255, 255, 255, 0.25);

    --text-primary: #ededed;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;

    --brand-blue: #0070f3;
    --brand-discord: #5865F2;
    --brand-youtube: #FF0000;

    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-full: 9999px;

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.6);
}

/* ===== Resets & Base ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-base);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background-color: rgba(255, 255, 255, 0.2);
    color: #fff;
}

/* Layout Containers */
.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
}

/* ===== Typography ===== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

/* ===== Navigation Bar ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-subtle);
    padding: 16px 0;
    transition: background-color 0.3s ease;
}

.navbar .nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 1.1rem;
    letter-spacing: -0.01em;
}

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

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

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

.nav-login-btn {
    background: transparent;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.85rem;
    font-weight: 500;
    padding: 6px 16px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.nav-login-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--text-primary);
}

.nav-mobile-menu {
    display: none;
    cursor: pointer;
    color: var(--text-secondary);
}

/* ===== Language Dropdown ===== */
.lang-dropdown {
    position: relative;
}

.lang-dropdown .lang-current svg {
    transition: transform 0.2s ease;
}

.lang-dropdown.open .lang-current svg {
    transform: rotate(180deg);
}

.lang-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 120px;
    background: var(--bg-card);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    padding: 4px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    transition: all 0.2s ease;
    z-index: 200;
}

.lang-dropdown.open .lang-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    padding: 8px 14px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.15s ease;
    font-family: var(--font-sans);
}

.lang-option:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
}

.lang-option.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

/* ===== Hero Section ===== */
.hero-section {
    position: relative;
    padding: 160px 0 100px;
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.hero-background-glow {
    position: absolute;
    top: -10%;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 400px;
    background: radial-gradient(ellipse at center, rgba(88, 101, 242, 0.15) 0%, rgba(0, 0, 0, 0) 70%);
    pointer-events: none;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 24px;
}

.profile-avatar-container {
    position: relative;
    width: fit-content;
    margin: 0 auto 32px;
}

.profile-avatar {
    width: 100px;
    height: 100px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-full);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 3rem;
    box-shadow: var(--shadow-md);
}

.status-badge {
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-card);
    border: 1px solid var(--border-strong);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
    box-shadow: var(--shadow-sm);
}

.status-dot {
    width: 8px;
    height: 8px;
    background-color: #10b981;
    border-radius: 50%;
    position: relative;
}

.status-dot::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    width: 12px;
    height: 12px;
    background-color: rgba(16, 185, 129, 0.4);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }

    100% {
        transform: scale(2);
        opacity: 0;
    }
}

@keyframes pulse-dot {
    0%, 100% {
        opacity: 1;
        box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.5);
    }
    50% {
        opacity: 0.7;
        box-shadow: 0 0 0 6px rgba(52, 211, 153, 0);
    }
}

.hero-title {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 700;
    letter-spacing: -0.04em;
    margin-bottom: 16px;
    background: linear-gradient(180deg, #fff 0%, #a1a1aa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 3vw, 1.5rem);
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: 24px;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.social-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-full);
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    color: var(--text-primary);
}

.social-btn:hover {
    background: var(--bg-card);
    border-color: var(--border-strong);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.social-btn.discord {
    color: #fff;
}

.social-btn.discord:hover {
    border-color: var(--brand-discord);
}

.social-btn.discord svg {
    color: var(--brand-discord);
}

.social-btn.youtube {
    color: #fff;
}

.social-btn.youtube:hover {
    border-color: var(--brand-youtube);
}

.social-btn.youtube svg {
    color: var(--brand-youtube);
}

/* ===== Unified Section Styles ===== */
.products-section,
.payment-section,
.contact-section {
    padding: 100px 0;
    position: relative;
    border-top: 1px solid var(--border-subtle);
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== Products Grid ===== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 32px;
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.product-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.product-card h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.product-image {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    border-radius: var(--radius-md);
    margin-bottom: 24px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
}

.price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 24px 0;
    display: flex;
    align-items: center;
    letter-spacing: -0.02em;
}

.description {
    list-style: none;
    margin-bottom: 32px;
    flex-grow: 1;
}

.description li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 12px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

.description li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--text-secondary);
}

/* ===== Product Buttons ===== */
.buy-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.buy-btn {
    padding: 12px;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    background: var(--bg-elevated);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-sans);
}

.buy-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--border-hover);
}

/* Payment Methods Colors */
.buy-btn.paypal {
    color: #3b82f6;
}

.buy-btn.ctb {
    color: #f87171;
}

.buy-btn.crypto {
    color: #fbbf24;
}

.buy-btn.alipay {
    color: #60a5fa;
}

.buy-btn.kofi {
    color: #ff5e5b;
}

/* Payment Info Dropdown */
.payment-info-box {
    margin-top: 16px;
    padding: 20px;
    background: var(--bg-base);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    display: none;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.payment-info-box.show {
    display: block;
    animation: slideDown 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.payment-info-box h4 {
    color: var(--text-primary);
    margin-bottom: 12px;
    font-size: 1rem;
}

.payment-info-box p {
    margin-bottom: 8px;
}

.payment-info-box p strong {
    color: var(--text-primary);
    font-weight: 500;
}

.payment-info-box .address {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    padding: 12px;
    border-radius: var(--radius-sm);
    margin: 8px 0 16px;
    font-size: 0.8rem;
    color: var(--text-primary);
    word-break: break-all;
}

/* ===== Payment Grid Section ===== */
.payment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.payment-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    transition: all 0.3s ease;
}

.payment-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.payment-icon {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 64px;
    height: 64px;
    margin: 0 auto 24px;
    border-radius: var(--radius-full);
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    font-size: 24px;
}

.payment-card h3 {
    font-size: 1.125rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.payment-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.bank-info {
    margin-top: 16px;
    padding: 12px;
    background: var(--bg-base);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    text-align: left;
}

.bank-info p {
    margin: 4px 0;
    color: var(--text-secondary);
}

.monospaced {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    color: var(--text-primary);
}

/* ===== Contact Section ===== */
.contact-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 64px 32px;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.contact-title {
    font-size: 2rem;
    margin-bottom: 16px;
}

.contact-text {
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin-bottom: 32px;
}

.primary-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #fff;
    color: #000;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
}

.primary-btn:hover {
    background: #ededed;
    transform: translateY(-2px);
}

/* ===== Footer ===== */
.footer {
    padding: 40px 0;
    border-top: 1px solid var(--border-subtle);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.footer-copyright {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: 8px;
}

/* ===== Modal ===== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 2000;
    display: none;
    opacity: 0;
    justify-content: center;
    align-items: center;
    padding: 24px;
    transition: opacity 0.3s ease;
}

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

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    padding: 32px;
    box-shadow: var(--shadow-lg);
    transform: scale(0.95);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.show .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

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

/* Fade In Animation */
.fade-in-up {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .nav-mobile-menu {
        display: block;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .buy-buttons {
        grid-template-columns: 1fr;
    }

    .products-section,
    .payment-section,
    .contact-section {
        padding: 60px 0;
    }
}

/* ===== Product Detail Layout ===== */
.product-detail-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 64px;
    align-items: start;
}

.product-detail-image-wrapper {
    position: sticky;
    top: 100px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-md);
}

.product-detail-image {
    width: 100%;
    height: auto;
    object-fit: cover;
    display: block;
}

.product-detail-info {
    padding: 16px 0;
}

.product-detail-title {
    font-size: 2.5rem;
    margin-bottom: 16px;
    color: var(--text-primary);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.product-detail-price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 40px;
    display: flex;
    align-items: center;
    letter-spacing: -0.02em;
}

.product-detail-description li {
    font-size: 1.05rem;
    margin-bottom: 16px;
}

.back-link:hover {
    color: var(--text-primary) !important;
}

@media (max-width: 992px) {
    .product-detail-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .product-detail-image-wrapper {
        position: relative;
        top: 0;
    }
}

/* ===== Universe Optimizer Landing Page ===== */
.uo-hero {
    text-align: center;
    padding: 60px 0 80px;
    position: relative;
}

.uo-hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(139, 92, 246, 0.12);
    border: 1px solid rgba(139, 92, 246, 0.25);
    border-radius: var(--radius-full);
    color: #a78bfa;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    margin-bottom: 24px;
}

.uo-hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 1.1;
    margin-bottom: 20px;
    background: linear-gradient(180deg, #fff 0%, #a1a1aa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.uo-hero-desc {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 36px;
    line-height: 1.7;
}

.uo-hero-image {
    max-width: 700px;
    width: 100%;
    margin: 40px auto 0;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-subtle);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 60px rgba(139, 92, 246, 0.08);
    overflow: hidden;
}

.uo-hero-image img {
    width: 100%;
    height: auto;
    display: block;
}

.uo-hero-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.uo-btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: linear-gradient(135deg, #635bff, #7c3aed);
    color: #fff;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-sans);
    text-decoration: none;
}

.uo-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(124, 58, 237, 0.3);
}

.uo-btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-sans);
    text-decoration: none;
}

.uo-btn-secondary:hover {
    border-color: var(--border-hover);
    background: rgba(255, 255, 255, 0.04);
    transform: translateY(-2px);
}

.uo-section {
    padding: 80px 0;
    border-top: 1px solid var(--border-subtle);
}

.uo-section-header {
    text-align: center;
    margin-bottom: 56px;
}

.uo-section-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.uo-section-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 550px;
    margin: 0 auto;
}

.uo-features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.uo-feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.uo-feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(139, 92, 246, 0.4), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.uo-feature-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.uo-feature-card:hover::before {
    opacity: 1;
}

.uo-feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    font-size: 1.4rem;
    margin-bottom: 20px;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.15);
}

.uo-feature-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.uo-feature-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.uo-pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 600px;
    margin: 0 auto 40px;
}

.uo-plan-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.uo-plan-card:hover, .uo-plan-card.active {
    border-color: rgba(139, 92, 246, 0.5);
    box-shadow: 0 0 30px rgba(139, 92, 246, 0.1);
}

.uo-plan-card.active::after {
    content: '✓';
    position: absolute;
    top: 12px;
    right: 16px;
    color: #a78bfa;
    font-size: 1.1rem;
    font-weight: 700;
}

.uo-plan-card h3 {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 8px;
}

.uo-plan-card .uo-plan-price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.uo-plan-card .uo-plan-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.uo-account-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 40px;
    max-width: 600px;
    margin: 0 auto;
}

@media (max-width: 992px) {
    .uo-features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .uo-features-grid {
        grid-template-columns: 1fr;
    }

    .uo-pricing-grid {
        grid-template-columns: 1fr;
    }

    .uo-hero {
        padding: 40px 0 60px;
    }

    .uo-section {
        padding: 60px 0;
    }
}

/* ===== Nav Login Button ===== */
.nav-login-btn {
    background: transparent;
    border: 1px solid var(--border-subtle);
    color: var(--text-primary);
    padding: 8px 20px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: var(--font-sans);
}

.nav-login-btn:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--border-hover);
}

/* ===== Auth Modal ===== */
.auth-modal {
    text-align: center;
}

.auth-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 28px;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-subtle);
}

.auth-tab {
    flex: 1;
    padding: 12px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: var(--font-sans);
}

.auth-tab.active {
    background: var(--bg-elevated);
    color: var(--text-primary);
}

.auth-tab:hover:not(.active) {
    background: rgba(255, 255, 255, 0.03);
}

.auth-form {
    text-align: left;
}

.auth-input {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-base);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: var(--font-sans);
    margin-bottom: 12px;
    transition: border-color 0.2s ease;
    outline: none;
}

.auth-input:focus {
    border-color: var(--border-hover);
}

.auth-input::placeholder {
    color: var(--text-muted);
}

.auth-code-input {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 8px;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.auth-submit-btn {
    width: 100%;
    padding: 12px;
    background: var(--text-primary);
    color: var(--bg-base);
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: var(--font-sans);
}

.auth-submit-btn:hover {
    background: #d4d4d8;
    transform: translateY(-1px);
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 20px 0;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-subtle);
}

.google-btn {
    width: 100%;
    padding: 12px;
    background: transparent;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: var(--font-sans);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.google-btn:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--border-hover);
}

.auth-error {
    margin-top: 12px;
    color: #f87171;
    font-size: 0.85rem;
    text-align: center;
    min-height: 20px;
}

.auth-verify-text {
    margin-bottom: 20px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-align: center;
}

.auth-label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
}

.auth-logout-btn {
    width: 100%;
    padding: 12px;
    background: transparent;
    border: 1px solid rgba(248, 113, 113, 0.3);
    border-radius: var(--radius-md);
    color: #f87171;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: var(--font-sans);
    margin-top: 16px;
}

.auth-logout-btn:hover {
    background: rgba(248, 113, 113, 0.1);
    border-color: rgba(248, 113, 113, 0.5);
}

.account-info {
    text-align: left;
    padding: 16px;
    background: var(--bg-base);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
}

.account-info p {
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.account-info p strong {
    color: var(--text-primary);
    font-weight: 500;
}