/* Base Styles */
:root {
    /* Dark Theme */
    --primary: #1eff00;
    --secondary: #000000;
    --accent: #ffffff;
    --dark: #0a0a0a;
    --light: #f5f5f5;
    --gray: #333333;
    --card-bg: rgba(255, 255, 255, 0.05);
    --card-border: rgba(255, 0, 0, 0.2);
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --header-bg: rgba(0, 0, 0, 0.8);
    --footer-bg: #111111;
    --theme-toggle-bg: #222222;
}

.light-theme {
    /* Light Theme */
    --primary: #1eff00;
    --secondary: #f5f5f5;
    --accent: #000000;
    --dark: #e0e0e0;
    --light: #0a0a0a;
    --gray: #cccccc;
    --card-bg: rgba(0, 0, 0, 0.05);
    --card-border: rgba(255, 0, 0, 0.3);
    --text-primary: #000000;
    --text-secondary: #333333;
    --header-bg: rgba(255, 255, 255, 0.9);
    --footer-bg: #eeeeee;
    --theme-toggle-bg: #dddddd;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    transition: background-color 0.3s ease, color 0.3s ease;
}

body {
    background-color: var(--secondary);
    color: var(--accent);
    overflow-x: hidden;
}

/* Loading Animation */
.loading-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--dark);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease-out;
}

.loading-circle {
    width: 80px;
    height: 80px;
    border: 8px solid rgba(255, 255, 255, 0.1);
    border-top: 8px solid var(--primary);
    border-radius: 50%;
    animation: spin 1.5s linear infinite;
    margin-bottom: 20px;
}

.loading-text {
    color: var(--accent);
    font-size: 1.2rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    animation: pulse 1.5s infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

/* Theme Toggle */
.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1001;
}

.theme-switch {
    display: none;
}

.theme-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 60px;
    height: 30px;
    background: var(--theme-toggle-bg);
    border-radius: 50px;
    padding: 5px;
    position: relative;
    cursor: pointer;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}

.theme-label i {
    font-size: 14px;
    z-index: 2;
}

.theme-label .fa-moon {
    color: #f1c40f;
}

.theme-label .fa-sun {
    color: #f39c12;
}

.theme-ball {
    position: absolute;
    width: 22px;
    height: 22px;
    background-color: var(--accent);
    border-radius: 50%;
    top: 4px;
    left: 4px;
    transition: transform 0.3s ease;
    z-index: 1;
}

.theme-switch:checked + .theme-label .theme-ball {
    transform: translateX(30px);
}

/* Header Styles */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    background-color: var(--header-bg);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--primary);
    transition: all 0.3s ease;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 2px;
}

.logo-text {
    color: var(--accent);
    text-shadow: 0 0 10px rgba(255, 0, 0, 0.5);
}

.logo-sensi {
    color: var(--primary);
    animation: glow 2s infinite alternate;
}

@keyframes glow {
    from {
        text-shadow: 0 0 5px var(--accent), 0 0 10px var(--primary);
    }
    to {
        text-shadow: 0 0 10px var(--accent), 0 0 20px var(--primary), 0 0 30px #ff3333;
    }
}
/* Music Player Styles */
.music-player {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 20px;
}

.music-btn {
    background: transparent;
    border: none;
    color: var(--accent);
    font-size: 1.2rem;
    cursor: pointer;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    position: relative;
}

.music-btn:hover {
    color: var(--primary);
    transform: scale(1.1);
}

.music-btn::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border: 2px solid var(--primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
    opacity: 0;
}

.music-btn.playing::after {
    opacity: 0.5;
}

.music-status {
    font-size: 0.8rem;
    opacity: 0.7;
    white-space: nowrap;
}

@keyframes pulse {
    0% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    70% {
        transform: scale(1.3);
        opacity: 0;
    }
    100% {
        opacity: 0;
    }
}

.nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    letter-spacing: 1px;
    position: relative;
    padding: 0.5rem 0;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--primary);
}

.nav-link.active {
    color: var(--primary);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary);
    animation: underline 0.3s ease-out;
}

@keyframes underline {
    from { width: 0; }
    to { width: 100%; }
}

/* Contact Link Effect */
.contact-link {
    position: relative;
    overflow: hidden;
    padding: 0.5rem 1rem;
}

.contact-text {
    position: relative;
    z-index: 2;
}

.contact-effect {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary);
    z-index: 1;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.contact-link:hover .contact-effect {
    transform: translateY(0);
}

.contact-link:hover .contact-text {
    color: var(--secondary);
}

/* Banner Styles */
.banner {
    height: 70vh;
    display: flex;
    align-items: center;
    padding: 0 5%;
    margin-top: 80px;
    background: linear-gradient(to right, var(--dark) 0%, rgba(0, 0, 0, 0.8) 50%, var(--dark) 100%);
    position: relative;
    overflow: hidden;
}

.banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('bg.jpg') center/cover no-repeat;
    opacity: 0.3;
    z-index: -1;
}

.banner-content {
    display: flex;
    width: 100%;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 2;
}

.banner-left {
    flex: 1;
    padding-right: 2rem;
    animation: fadeInLeft 1s ease-out;
}

.banner-right {
    flex: 1;
    display: flex;
    justify-content: center;
    animation: fadeInRight 1s ease-out;
    position: relative;
}

.intro-text {
    margin-bottom: 1rem;
    overflow: hidden;
}

.intro-effect {
    display: inline-block;
    font-size: 1.2rem;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 3px;
    font-weight: 700;
    animation: slideIn 0.5s ease-out;
}

@keyframes slideIn {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.banner-heading {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    text-transform: uppercase;
    background: linear-gradient(to right, var(--accent) 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: textGlow 2s infinite alternate;
}

@keyframes textGlow {
    from {
        text-shadow: 0 0 5px rgba(255, 255, 255, 0.3);
    }
    to {
        text-shadow: 0 0 15px rgba(255, 0, 0, 0.7);
    }
}

.banner-description {
    margin-bottom: 2rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.banner-description ul {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.banner-description li {
    margin-bottom: 0.5rem;
    position: relative;
    color: var(--text-secondary);
}

.banner-description li::before {
    content: '•';
    color: var(--primary);
    position: absolute;
    left: -1rem;
}

.purchase-btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    background: var(--primary);
    color: var(--secondary);
    text-decoration: none;
    font-weight: 700;
    border-radius: 30px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border: none;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(255, 0, 0, 0.3);
}

.purchase-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(255, 0, 0, 0.4);
}

.purchase-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: 0.5s;
}

.purchase-btn:hover::before {
    left: 100%;
}

.sensi-image {
    position: relative;
}

.sensi-image img {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 0 20px rgba(255, 0, 0, 0.5));
    position: relative;
    z-index: 2;
}

.glow-effect {
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255, 0, 0, 0.4) 0%, rgba(255, 0, 0, 0) 60%);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: pulseGlow 3s infinite;
}

@keyframes pulseGlow {
    0%, 100% { opacity: 0.8; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.4; transform: translate(-50%, -50%) scale(1.2); }
}

.floating {
    animation: floating 3s ease-in-out infinite;
}

@keyframes floating {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

.banner-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.banner-particles::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="1" fill="%23ff0000"/></svg>');
    background-size: 5px 5px;
    opacity: 0.3;
    animation: particlesMove 50s linear infinite;
}

@keyframes particlesMove {
    0% { transform: translateY(0) translateX(0); }
    100% { transform: translateY(-1000px) translateX(1000px); }
}

/* Content Tabs */
.content-tabs {
    padding: 3rem 5%;
    background-color: var(--dark);
}

.tab-buttons {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.tab-btn {
    padding: 0.8rem 2rem;
    background: transparent;
    color: var(--accent);
    border: 2px solid var(--primary);
    border-radius: 30px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.tab-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 0, 0, 0.3), transparent);
    transition: 0.5s;
}

.tab-btn:hover {
    background: rgba(255, 0, 0, 0.1);
    transform: translateY(-3px);
}

.tab-btn:hover::before {
    left: 100%;
}

.tab-btn.active {
    background: var(--primary);
    color: var(--secondary);
    box-shadow: 0 0 15px rgba(255, 0, 0, 0.5);
}

.tab-content {
    display: none;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    animation: fadeIn 0.5s ease-out;
}

.tab-content.active {
    display: grid;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.download-item {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.download-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.download-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(255, 0, 0, 0.1);
    border-color: var(--primary);
}

.download-item:hover::before {
    transform: scaleX(1);
}

.download-icon {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.download-item h3 {
    color: var(--primary);
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

.download-item p {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0.6rem 1.5rem;
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.download-btn:hover {
    background: var(--primary);
    color: var(--secondary);
}

.download-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary);
    z-index: -1;
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
}

.download-btn:hover::before {
    transform: scaleX(1);
    transform-origin: left;
}

/* Footer */
.footer {
    background-color: var(--footer-bg);
    padding: 3rem 5%;
    color: var(--text-secondary);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-logo {
    margin-bottom: 1.5rem;
}

.footer-logo p {
    margin-top: 1rem;
    line-height: 1.6;
}

.footer-links h4, .footer-social h4 {
    color: var(--accent);
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
    position: relative;
}

.footer-links h4::after, .footer-social h4::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 50px;
    height: 2px;
    background: var(--primary);
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.social-icons {
    display: flex;
    gap: 1rem;
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--accent);
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.social-icons a:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive Design */
@media (max-width: 992px) {
    .banner-content {
        flex-direction: column;
    }
    
    .banner-left, .banner-right {
        flex: none;
        width: 100%;
        padding-right: 0;
    }
    
    .banner-right {
        margin-top: 2rem;
    }
    
    .banner-heading {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .header {
        flex-direction: column;
        padding: 1rem;
    }
    
    .logo {
        margin-bottom: 1rem;
    }
    
    .nav ul {
        gap: 1rem;
    }
    
    .banner-heading {
        font-size: 2rem;
    }
    
    .tab-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .tab-btn {
        width: 100%;
        text-align: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}
/* Base Button Style - Black & Red Theme */
.ff-terms-btn {
 display: flex;
 color: red;
 margin-top: 30px;
}

/* Animations */
@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Infinite Animations */
.banner-left, .banner-right {
    position: relative;
}

.banner-left::after, .banner-right::after {
    content: '';
    position: absolute;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 0, 0, 0.3) 0%, rgba(255, 0, 0, 0) 70%);
    animation: pulseCircle 3s infinite;
}

.banner-left::after {
    top: -30px;
    left: -30px;
}

.banner-right::after {
    bottom: -30px;
    right: -30px;
}

@keyframes pulseCircle {
    0% { transform: scale(0.8); opacity: 0.7; }
    50% { transform: scale(1.2); opacity: 0.3; }
    100% { transform: scale(0.8); opacity: 0.7; }
}