/* ===== PRICING PLANS SECTION ===== */
.pricing-plans-section {
    position: relative;
    padding: var(--spacing-xl) 0;
    background: var(--gradient-dark);
    overflow: hidden;
}

/* ===== ANIMATED BACKGROUND ===== */
.pricing-plans-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    overflow: hidden;
    background-image: url('../../images/ai-voice-background.svg');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    opacity: 0.2;
    filter: brightness(0.8);
}

/* Enhanced gradient overlay */
.pricing-plans-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(0, 217, 213, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(0, 139, 139, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(64, 224, 208, 0.06) 0%, transparent 50%);
    animation: plansGradientShift 20s ease-in-out infinite;
    z-index: 2;
}

@keyframes plansGradientShift {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        opacity: 1;
    }
    50% {
        transform: translate(20px, -30px) scale(1.1);
        opacity: 0.8;
    }
}

.pricing-plans-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 2;
}

.pricing-plans-particles .particle {
    position: absolute;
    background: var(--primary-teal);
    border-radius: 50%;
    opacity: 0.15;
    animation: planFloat 25s infinite ease-in-out;
}

.pricing-plans-particles .particle:nth-child(1) {
    width: 4px;
    height: 4px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.pricing-plans-particles .particle:nth-child(2) {
    width: 6px;
    height: 6px;
    top: 60%;
    left: 85%;
    animation-delay: 5s;
}

.pricing-plans-particles .particle:nth-child(3) {
    width: 3px;
    height: 3px;
    top: 80%;
    left: 20%;
    animation-delay: 10s;
}

.pricing-plans-particles .particle:nth-child(4) {
    width: 8px;
    height: 8px;
    top: 40%;
    left: 70%;
    animation-delay: 15s;
}

.pricing-plans-particles .particle:nth-child(5) {
    width: 5px;
    height: 5px;
    top: 15%;
    left: 65%;
    animation-delay: 8s;
}

.pricing-plans-particles .particle:nth-child(6) {
    width: 4px;
    height: 4px;
    top: 75%;
    left: 50%;
    animation-delay: 18s;
}

@keyframes planFloat {
    0%, 100% {
        transform: translateY(0) translateX(0) scale(1);
        opacity: 0.15;
    }
    25% {
        transform: translateY(-60px) translateX(30px) scale(1.3);
        opacity: 0.25;
    }
    50% {
        transform: translateY(-100px) translateX(-20px) scale(0.9);
        opacity: 0.35;
    }
    75% {
        transform: translateY(-40px) translateX(50px) scale(1.2);
        opacity: 0.2;
    }
}

/* ===== SECTION HEADER ===== */
.pricing-plans-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 10;
}

.pricing-plans-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    color: var(--white);
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
    letter-spacing: -1px;
}

.pricing-plans-title .highlight {
    background: linear-gradient(135deg, var(--primary-teal) 0%, var(--accent-turquoise) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 60px rgba(0, 217, 213, 0.4);
}

.pricing-plans-subtitle {
    font-size: clamp(1rem, 1.5vw, 1.125rem);
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--spacing-md);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
    font-weight: 400;
}

/* ===== BILLING TOGGLE ===== */
.billing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    position: relative;
}

.toggle-label {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: rgba(255, 255, 255, 0.6);
    transition: all var(--transition-base);
    cursor: pointer;
}

.toggle-label.active {
    color: var(--primary-teal);
    text-shadow: 0 0 20px rgba(0, 217, 213, 0.3);
}

.toggle-switch {
    position: relative;
    width: 60px;
    height: 30px;
}

.toggle-input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-teal) 0%, var(--accent-turquoise) 100%);
    transition: all var(--transition-base);
    border-radius: 30px;
    display: flex;
    align-items: center;
    padding: 0 3px;
    box-shadow: 0 4px 15px rgba(0, 217, 213, 0.3);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    height: 24px;
    width: 24px;
    background: var(--white);
    border-radius: 50%;
    left: 3px;
    transition: all var(--transition-base);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.toggle-input:checked + .toggle-slider::before {
    transform: translateX(30px);
}

.savings-badge {
    position: absolute;
    top: -35px;
    right: -20px;
    background: linear-gradient(135deg, var(--primary-teal) 0%, var(--accent-turquoise) 100%);
    color: var(--white);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: var(--font-size-sm);
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(0, 217, 213, 0.4);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.savings-badge::before {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 5px solid var(--accent-turquoise);
}

/* ===== PRICING CARDS GRID ===== */
.pricing-cards-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 10;
}

/* ===== PRICING CARD ===== */
.pricing-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: var(--spacing-md) var(--spacing-sm);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    transition: all var(--transition-base);
    position: relative;
    border: 2px solid rgba(0, 217, 213, 0.1);
    overflow: hidden;
    min-height: 520px;
    display: flex;
    flex-direction: column;
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--primary-teal) 0%, var(--accent-turquoise) 100%);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.pricing-card:hover::before {
    transform: scaleX(1);
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 217, 213, 0.3);
    border-color: rgba(0, 217, 213, 0.3);
    background: rgba(255, 255, 255, 0.08);
}

/* ===== POPULAR PLAN ===== */
.pricing-card.popular {
    border-color: var(--primary-teal);
    background: linear-gradient(135deg, rgba(0, 217, 213, 0.08) 0%, rgba(0, 139, 139, 0.08) 100%);
    box-shadow: 0 20px 60px rgba(0, 217, 213, 0.4);
    position: relative;
    transform: scale(1.03);
}

.pricing-card.popular::before {
    transform: scaleX(1);
    height: 5px;
}

.pricing-card.popular:hover {
    transform: translateY(-10px) scale(1.03);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary-teal) 0%, var(--accent-turquoise) 100%);
    color: var(--white);
    padding: 0.4rem 1.2rem;
    border-radius: 20px;
    font-size: var(--font-size-sm);
    font-weight: 700;
    box-shadow: 0 4px 16px rgba(0, 217, 213, 0.5);
    z-index: 5;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===== PRICING CARD HEADER ===== */
.pricing-card-header {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.plan-name {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--white);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.5px;
}

.plan-price {
    margin-bottom: var(--spacing-xs);
}

.price-amount {
    font-size: clamp(1.3rem, 2vw, 1.75rem);
    font-weight: 200;
    background: linear-gradient(135deg, var(--primary-teal) 0%, var(--accent-turquoise) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    display: block;
    text-shadow: 0 0 40px rgba(0, 217, 213, 0.3);
}

.price-period {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
    font-weight: 500;
    margin-top: var(--spacing-xs);
}

.price-per-minute {
    background: rgba(0, 217, 213, 0.15);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: var(--spacing-xs) var(--spacing-sm);
    margin: var(--spacing-sm) auto 0;
    display: inline-block;
    border: 1px solid rgba(0, 217, 213, 0.2);
}

.minute-rate {
    color: var(--primary-teal);
    font-weight: 700;
    font-size: var(--font-size-sm);
    text-shadow: 0 0 20px rgba(0, 217, 213, 0.3);
}

/* ===== YEARLY SAVINGS ===== */
.yearly-savings {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-xs);
    background: rgba(0, 217, 213, 0.12);
    backdrop-filter: blur(10px);
    border-radius: 10px;
    text-align: center;
    border: 1px solid rgba(0, 217, 213, 0.2);
}

.yearly-savings .original-price {
    text-decoration: line-through;
    color: rgba(255, 255, 255, 0.5);
    font-size: var(--font-size-sm);
    display: block;
}

.yearly-savings .savings-text {
    color: var(--primary-teal);
    font-weight: 700;
    font-size: var(--font-size-sm);
    text-shadow: 0 0 20px rgba(0, 217, 213, 0.3);
}

/* ===== PRICING CARD BODY ===== */
.pricing-card-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.plan-features {
    margin-bottom: var(--spacing-md);
    flex: 1;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
}

.feature-icon {
    background: linear-gradient(135deg, var(--primary-teal) 0%, var(--accent-turquoise) 100%);
    color: var(--white);
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.6rem;
    font-weight: bold;
    flex-shrink: 0;
    margin-top: 1px;
    box-shadow: 0 2px 8px rgba(0, 217, 213, 0.3);
}

.feature-text {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

.feature-text strong {
    font-weight: 700;
    color: var(--white);
}

/* ===== PLAN BUTTONS ===== */
.btn-plan {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-sm);
    background: transparent;
    color: var(--primary-teal);
    border: 2px solid var(--primary-teal);
    border-radius: 50px;
    font-size: var(--font-size-base);
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-base);
    font-family: var(--font-primary);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-plan::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-teal) 0%, var(--accent-turquoise) 100%);
    transition: left var(--transition-base);
    z-index: 1;
}

.btn-plan .btn-text {
    position: relative;
    z-index: 2;
    transition: color var(--transition-base);
}

.btn-plan:hover::before {
    left: 0;
}

.btn-plan:hover .btn-text {
    color: var(--white);
}

.btn-plan:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 217, 213, 0.4);
    border-color: var(--primary-teal);
}

.btn-plan-primary {
    background: linear-gradient(135deg, var(--primary-teal) 0%, var(--accent-turquoise) 100%);
    color: var(--white);
    border: none;
    box-shadow: 0 10px 30px rgba(0, 217, 213, 0.4);
}

.btn-plan-primary::before {
    background: linear-gradient(135deg, var(--accent-turquoise) 0%, var(--primary-dark-teal) 100%);
}

.btn-plan-primary:hover {
    box-shadow: 0 15px 40px rgba(0, 217, 213, 0.5);
}

/* ===== ADDITIONAL INFO ===== */
.pricing-additional-info {
    margin-top: var(--spacing-xl);
    position: relative;
    z-index: 10;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
}

.info-item {
    text-align: center;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    transition: all var(--transition-base);
    border: 1px solid rgba(0, 217, 213, 0.1);
}

.info-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 217, 213, 0.3);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(0, 217, 213, 0.3);
}

.info-icon {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
    display: block;
    filter: drop-shadow(0 0 10px rgba(0, 217, 213, 0.3));
}

.info-title {
    font-size: var(--font-size-lg);
    font-weight: 800;
    color: var(--white);
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.5px;
}

.info-description {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

/* ===== UTILITY CLASSES ===== */
.hidden {
    display: none !important;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1200px) {
    .pricing-cards-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
        max-width: 800px;
    }
    
    .pricing-card.popular {
        transform: scale(1);
    }
    
    .pricing-card.popular:hover {
        transform: translateY(-10px) scale(1);
    }
    
    .info-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .pricing-plans-section {
        padding: var(--spacing-lg) 0;
    }
    
    .pricing-plans-header {
        margin-bottom: var(--spacing-md);
    }
    
    .billing-toggle {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .billing-toggle .toggle-switch {
        order: -1;
    }
    
    .savings-badge {
        position: static;
        margin: var(--spacing-sm) 0;
    }
    
    .pricing-cards-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        gap: var(--spacing-md);
    }
    
    .pricing-card {
        padding: var(--spacing-sm);
        min-height: auto;
    }
    
    .pricing-card.popular {
        transform: scale(1);
    }
    
    .price-amount {
        font-size: var(--font-size-xl);
    }
    
    .info-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .info-item {
        padding: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .pricing-plans-section {
        padding: var(--spacing-md) 0;
    }
    
    .pricing-card {
        padding: var(--spacing-sm);
    }
    
    .plan-name {
        font-size: var(--font-size-lg);
    }
    
    .btn-plan {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-sm);
    }
}

/* ===== PERFORMANCE OPTIMIZATIONS ===== */
@media (prefers-reduced-motion: reduce) {
    .pricing-plans-particles .particle,
    .pricing-plans-background::before,
    .pricing-card,
    .info-item,
    .btn-plan {
        animation: none;
        transition: none;
    }
}

/* ===== LARGE SCREEN OPTIMIZATION ===== */
@media (min-width: 1400px) {
    .pricing-cards-grid {
        gap: var(--spacing-md);
    }
    
    .pricing-card {
        padding: var(--spacing-md) var(--spacing-md);
    }
    
    .price-amount {
        font-size: var(--font-size-3xl);
    }
}

/* ===== ENHANCED ANIMATIONS ===== */
@keyframes cardPulse {
    0%, 100% {
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    }
    50% {
        box-shadow: 0 20px 60px rgba(0, 217, 213, 0.4);
    }
}

.pricing-card.popular {
    animation: cardPulse 3s ease-in-out infinite;
}

@media (prefers-reduced-motion: reduce) {
    .pricing-card.popular {
        animation: none;
    }
}