.main-content {
    display: flex;
    align-items: center;
    gap: 100px;
    width: 100%;
    flex: 1;
    justify-content: center;
    padding-bottom: 120px;
    opacity: 0;
    animation: slideUp 1s ease-out 0.3s forwards;
}

.cards-container {
    position: relative;
    width: 400px;
    height: 400px;
}

.feature-card {
    background: #0a0a0f;
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 24px;
    width: 400px;
    height: 400px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: absolute;
    backdrop-filter: blur(10px);
    transition: all 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.feature-card:nth-child(1) {
    background-image: url(../img/icon/access.jpg);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 4;
    transform: translate(0px, 0px) scale(1);
    opacity: 1;
}

.feature-card:nth-child(2) {
    background-image: url(../img/icon/speed.jpg);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 3;
    transform: translate(20px, 0px) scale(0.95);
    opacity: 0.9;
}

.feature-card:nth-child(3) {
    background-image: url(../img/icon/efficiency.jpg);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 2;
    transform: translate(40px, 0px) scale(0.9);
    opacity: 0.8;
}

.feature-card:nth-child(4) {
    background-image: url(../img/icon/trust.jpg);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 1;
    transform: translate(60px, 0px) scale(0.85);
    opacity: 0.7;
}

.feature-card.active {
    z-index: 10;
    transform: translate(0px, 0px);
    opacity: 1;
    border-color: rgba(139, 92, 246, 0.5);
    box-shadow: 0 20px 60px rgba(139, 92, 246, 0.2);
}

.feature-card:hover {
    transform: translate(-5px, -5px);
    border-color: rgba(139, 92, 246, 0.6);
    box-shadow: 0 25px 70px rgba(139, 92, 246, 0.3);
}

.feature-card.active:hover {
    transform: translate(-5px, -5px);
}

.feature-icon {
    position: relative;
}

.feature-icon img {
    width: 100%;
}

.feature-card h3 {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 8px;
    text-align: center;
}

.content-section {
    flex: 1;
}

.content-section h2 {
    font-size: 34px;
    margin-bottom: 24px;
    color: white;
}

.content-section p {
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 32px;
}

.button-container {
    position: relative;
}

.cta-button {
    background: linear-gradient(135deg, #a855f7 0%, #ec4899 100%);
    color: white;
    padding: 16px 32px;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.cta-button:hover {
    box-shadow: 0 10px 30px rgba(168, 85, 247, 0.3);
}

.feat-progress-bar {
    position: absolute;
    bottom: 0;
    left: 20px;
    right: 20px;
    display: flex;
    align-items: center;
    opacity: 0;
    animation: slideUp 1s ease-out 0.6s forwards;
    z-index: 5;
}

.progress-bar-top {
    width: 100%;
    height: 2px;
    background: rgba(102, 102, 102, 0.3);
    position: absolute;
    top: -20px;
    left: 0;
    border-radius: 1px;
    overflow: hidden;
}

.progress-bar-top-fill {
    height: 100%;
    background: linear-gradient(90deg, #a855f7 0%, #ec4899 100%);
    width: 25%;
    transition: width 0.8s ease;
    border-radius: 1px;
    box-shadow: 0 0 8px rgba(168, 85, 247, 0.4);
}

.feat-progress-item {
    text-align: center;
    opacity: 0.4;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    z-index: 2;
    flex: 1;
}

.feat-progress-item.active {
    opacity: 1;
}

.feat-progress-item span {
    display: block;
    font-size: 0.9rem;
    color: #ffffff;
    margin-bottom: 4px;
}

.feat-progress-item h4 {
    font-size: 0.9rem;
    color: white;
}

.feat-progress-line {
    height: 2px;
    background: rgba(102, 102, 102, 0.3);
    position: relative;
    flex: 1;
    border-radius: 1px;
    overflow: hidden;
}

.progress-line-fill {
    height: 100%;
    background: linear-gradient(90deg, #a855f7 0%, #ec4899 100%);
    width: 0%;
    transition: width 0.5s ease;
    border-radius: 1px;
    box-shadow: 0 0 10px rgba(168, 85, 247, 0.5);
}

/* Access Feature Icons */
.access-icons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    width: 200px;
}

.access-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #8b5cf6 0%, #a855f7 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    animation: float 3s ease-in-out infinite;
}

.access-icon:nth-child(2) {
    animation-delay: -0.5s;
}

.access-icon:nth-child(3) {
    animation-delay: -1s;
}

.access-icon:nth-child(4) {
    animation-delay: -1.5s;
}

/* Speed Feature Lightning */
.lightning {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, #ec4899 0%, #a855f7 100%);
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    animation: pulse 2s ease-in-out infinite;
}

.lightning::before {
    content: '⚡';
    font-size: 3rem;
    color: white;
}

/* Efficiency Feature Circles */
.efficiency-circles {
    width: 150px;
    height: 150px;
    position: relative;
}

.circle {
    position: absolute;
    border: 2px solid rgba(168, 85, 247, 0.3);
    border-radius: 50%;
    animation: rotate 4s linear infinite;
}

.circle:nth-child(1) {
    width: 150px;
    height: 150px;
    top: 0;
    left: 0;
}

.circle:nth-child(2) {
    width: 100px;
    height: 100px;
    top: 25px;
    left: 25px;
    animation-duration: 3s;
    animation-direction: reverse;
}

.circle:nth-child(3) {
    width: 50px;
    height: 50px;
    top: 50px;
    left: 50px;
    background: linear-gradient(135deg, #ec4899 0%, #a855f7 100%);
    border: none;
    animation: pulse 2s ease-in-out infinite;
}

/* Trust Feature Blockchain */
.blockchain {
    width: 120px;
    height: 80px;
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.2) 0%, rgba(236, 72, 153, 0.2) 100%);
    border: 2px solid rgba(168, 85, 247, 0.3);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    animation: glow 3s ease-in-out infinite;
}

.blockchain::before {
    content: '⋯⋯⋯⋯⋯⋯';
    color: #a855f7;
    font-size: 1.2rem;
    letter-spacing: 4px;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }

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

@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-10px);
    }
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

@keyframes glow {

    0%,
    100% {
        box-shadow: 0 0 20px rgba(168, 85, 247, 0.1);
    }

    50% {
        box-shadow: 0 0 40px rgba(168, 85, 247, 0.3);
    }
}

/* MOBILE RESPONSIVE - FIXED VERSION */
@media (max-width: 768px) {
    .header h1 {
        font-size: 2.5rem;
    }

    .main-content {
        flex-direction: column;
        gap: 40px;
        padding-bottom: 60px;
        padding-right: 35px;
    }

    .cards-container {
        width: 300px;
        height: 300px;
        margin: 0 auto;
    }

    .feature-card {
        width: 300px;
        height: 300px;
    }

    /* Adjust stacking for mobile - smaller spacing but keep the effect */
    .feature-card:nth-child(1) {
        transform: translate(0px, 0px) scale(1);
    }

    .feature-card:nth-child(2) {
        transform: translate(15px, 0px) scale(0.95);
    }

    .feature-card:nth-child(3) {
        transform: translate(30px, 0px) scale(0.9);
    }

    .feature-card:nth-child(4) {
        transform: translate(45px, 0px) scale(0.85);
    }

    .feature-card.active {
        transform: translate(0px, 0px) scale(1) !important;
    }

    /* Adjust hover effects for mobile */
    .feature-card:hover {
        transform: translate(-3px, -3px);
    }

    .feature-card.active:hover {
        transform: translate(-3px, -3px) scale(1) !important;
    }

    .content-section {
        text-align: center;
        padding-left: 35px;
    }

    .content-section h2 {
        font-size: 1.8rem;
        text-align: center;
    }

    .content-section p {
        text-align: center;
        font-size: 14px;
    }

    .feat-progress-bar {
        position: static;
        transform: none;
        margin-top: 40px;
        justify-content: center;
        opacity: 1;
        left: 0;
        right: 0;
    }

    .feat-progress-item h4 {
        font-size: 0.8rem;
    }

    .feat-progress-item span {
        font-size: 0.7rem;
    }
}

/* Extra small screens */
@media (max-width: 480px) {
    .cards-container {
        width: 250px;
        height: 250px;
    }

    .feature-card {
        width: 250px;
        height: 250px;
    }

    .feature-card:nth-child(2) {
        transform: translate(12px, 0px) scale(0.95);
    }

    .feature-card:nth-child(3) {
        transform: translate(24px, 0px) scale(0.9);
    }

    .feature-card:nth-child(4) {
        transform: translate(36px, 0px) scale(0.85);
    }

    .content-section h2 {
        font-size: 1.5rem;
    }
}