/* =========================
   CSS VARIABLES
   ========================= */

:root {
    /* WhatsApp Theme Colors */
    --primary: #25d366;
    --primary-dark: #128c7e;
    --primary-light: #ecfff4;
    --primary-50: #f0fdf4;
    --primary-100: #dcfce7;
    --primary-200: #bbf7d0;
    --primary-300: #86efac;
    
    /* RCS Theme Colors */
    --rcs-primary: #6366f1;
    --rcs-dark: #4f46e5;
    --rcs-light: #f0f4ff;
    
    /* Secondary & Accent Colors */
    --secondary: #34b7f1;
    --secondary-dark: #1e96c8;
    --secondary-light: #e0f2fe;
    --accent: #8b5cf6;
    --accent-dark: #7c3aed;
    
    /* Gray Scale */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.12);
    --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.15);
}

/* =========================
   BASE STYLES
   ========================= */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.pricing-page {
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--gray-700);
    background: linear-gradient(135deg, var(--primary-50) 0%, var(--secondary-light) 100%);
    min-height: 100vh;
}

/* =========================
   ANIMATIONS
   ========================= */

@keyframes float {
    0%, 100% { 
        transform: translateY(0px); 
    }
    50% { 
        transform: translateY(-10px); 
    }
}

@keyframes floatReverse {
    0%, 100% { 
        transform: translateY(-5px); 
    }
    50% { 
        transform: translateY(5px); 
    }
}

@keyframes pulse {
    0%, 100% { 
        transform: scale(1); 
    }
    50% { 
        transform: scale(1.05); 
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

/* =========================
   HEADER SECTION
   ========================= */

.pricing-header {
    width: 100%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 50%, var(--accent) 100%);
    padding: 6rem 0 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.pricing-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.pricing-header::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: float 20s ease-in-out infinite;
}

.pricing-header__content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.pricing-header__title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    color: white;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 0.8s ease-out;
}

.pricing-header__subtitle {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 2rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.pricing-header__description {
    font-size: clamp(1rem, 1.5vw, 1.2rem);
    color: rgba(255, 255, 255, 0.85);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
    font-weight: 400;
    animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

/* =========================
   CONTAINER
   ========================= */

.pricing-page__container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 3rem 1rem;
}

/* =========================
   TOGGLE CONTROLS
   ========================= */

.pricing-controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2.5rem;
    margin-bottom: 4rem;
}

.pricing-controls__section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
}

.pricing-controls__label {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-700);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.875rem;
}

/* Service Toggle */
.service-toggle {
    display: flex;
    background: white;
    border-radius: 60px;
    padding: 6px;
    position: relative;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
}

.service-toggle__option {
    padding: 14px 32px;
    border-radius: 54px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 2;
    min-width: 220px;
    text-align: center;
    border: none;
    background: transparent;
    color: var(--gray-600);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.service-toggle__option:hover:not(.active) {
    background: var(--gray-50);
    color: var(--gray-800);
}

.service-toggle__option.active {
    color: white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15), 0 2px 4px rgba(0, 0, 0, 0.1);
    transform: scale(1.02);
}

.service-toggle__option.active.whatsapp {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.service-toggle__option.active.rcs {
    background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
}

/* Billing Toggle */
.billing-toggle {
    display: flex;
    background: white;
    border-radius: 60px;
    padding: 6px;
    position: relative;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
}

.billing-toggle__option {
    padding: 14px 28px;
    border-radius: 54px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 2;
    min-width: 140px;
    text-align: center;
    border: none;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--gray-600);
}

.billing-toggle__option:hover:not(.active) {
    background: var(--gray-50);
    color: var(--gray-800);
}

.billing-toggle__option.active {
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15), 0 2px 4px rgba(0, 0, 0, 0.1);
    transform: scale(1.02);
}

.billing-toggle__discount {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white;
    font-size: 0.7rem;
    font-weight: 800;
    padding: 3px 8px;
    border-radius: 12px;
    display: inline-block;
    box-shadow: 0 2px 6px rgba(245, 158, 11, 0.3);
    animation: pulse 2s infinite;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* =========================
   PRICING PLANS
   ========================= */

.pricing-plans {
    margin-bottom: 5rem;
}

.pricing-plans__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

/* =========================
   PRICING CARD
   ========================= */

.pricing-card {
    background: white;
    border-radius: 24px;
    padding: 2.5rem 2rem;
    box-shadow: var(--shadow-lg);
    position: relative;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid var(--gray-100);
    overflow: hidden;
    min-height: 680px;
    display: flex;
    flex-direction: column;
    backdrop-filter: blur(20px);
    animation: floatReverse 8s ease-in-out infinite;
}

.pricing-card:nth-child(2n) {
    animation: float 8s ease-in-out infinite;
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
}

.pricing-card.rcs-theme::before {
    background: linear-gradient(90deg, #6366f1 0%, #4f46e5 100%);
}

.pricing-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 30%,
        rgba(255, 255, 255, 0.1) 50%,
        transparent 70%
    );
    transform: rotate(45deg);
    animation: shimmer 3s infinite;
}

.pricing-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-200);
    animation-play-state: paused;
}

.pricing-card.rcs-theme:hover {
    border-color: rgba(99, 102, 241, 0.3);
}

/* Popular Card */
.pricing-card--popular {
    border-color: var(--primary);
    border-width: 3px;
    transform: scale(1.05);
    background: linear-gradient(135deg, var(--primary-50) 0%, white 50%, white 100%);
    box-shadow: 0 20px 40px rgba(37, 211, 102, 0.2);
    z-index: 10;
}

.pricing-card--popular.rcs-theme {
    border-color: #6366f1;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, white 50%, white 100%);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.2);
}

.pricing-card--popular:hover {
    transform: translateY(-12px) scale(1.07);
}

.pricing-card__popular-badge {
    position: absolute;
    top: -1px;
    right: 2rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 0.75rem 1.5rem;
    font-size: 0.8rem;
    font-weight: 800;
    border-radius: 0 0 16px 16px;
    box-shadow: 0 8px 16px rgba(37, 211, 102, 0.4);
    letter-spacing: 1px;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 6px;
}

.pricing-card__popular-badge.rcs-theme {
    background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
    box-shadow: 0 8px 16px rgba(99, 102, 241, 0.4);
}

/* Card Content */
.pricing-card__plan-name {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
    margin-top: 0.5rem;
}

.pricing-card__plan-description {
    color: var(--gray-600);
    margin-bottom: 2rem;
    font-size: 0.95rem;
    line-height: 1.6;
    min-height: 48px;
}

/* Price Section */
.pricing-card__price-section {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid var(--gray-100);
}

.pricing-card__price {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--primary);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: baseline;
    gap: 4px;
    letter-spacing: -0.03em;
    line-height: 1;
}

.pricing-card__price.rcs-theme {
    color: #6366f1;
}

.pricing-card__price-currency {
    font-size: 1.75rem;
    font-weight: 700;
    vertical-align: top;
}

.pricing-card__price-period {
    color: var(--gray-500);
    font-size: 1rem;
    font-weight: 600;
}

/* Yearly Info */
.pricing-card__yearly-info {
    background: linear-gradient(135deg, var(--primary-100) 0%, var(--primary-50) 100%);
    border: 2px solid var(--primary-200);
    border-radius: 14px;
    padding: 1rem 1.25rem;
    margin-top: 1.25rem;
    display: none;
    text-align: center;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.pricing-card__yearly-info.show {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.pricing-card__yearly-info.rcs-theme {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(99, 102, 241, 0.05) 100%);
    border-color: rgba(99, 102, 241, 0.3);
}

.pricing-card__yearly-total {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 0.5rem;
}

.pricing-card__yearly-total.rcs-theme {
    color: #4f46e5;
}

.pricing-card__yearly-savings {
    font-size: 0.85rem;
    color: var(--gray-600);
    font-weight: 600;
}

/* Features List */
.pricing-card__features {
    list-style: none;
    margin-bottom: auto;
    flex-grow: 1;
    padding: 0;
}

.pricing-card__feature-item {
    padding: 0.875rem 0;
    position: relative;
    padding-left: 2.25rem;
    color: var(--gray-700);
    font-size: 0.9375rem;
    line-height: 1.6;
    transition: all 0.2s ease;
}

.pricing-card__feature-item:hover {
    color: var(--gray-900);
    padding-left: 2.5rem;
}

.pricing-card__feature-item::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0.875rem;
    color: white;
    font-weight: 900;
    font-size: 0.75rem;
    width: 22px;
    height: 22px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 6px rgba(37, 211, 102, 0.3);
}

.pricing-card__feature-item.rcs-theme::before {
    background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
    box-shadow: 0 2px 6px rgba(99, 102, 241, 0.3);
}

/* CTA Button */
.pricing-card__cta-button {
    width: 100%;
    padding: 1.125rem 1rem;
    border: none;
    border-radius: 14px;
    font-size: 1.0625rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-align: center;
    margin-top: 1.5rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    font-size: 0.9rem;
}

.pricing-card__cta-button--primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.3);
}

.pricing-card__cta-button--primary.rcs-theme {
    background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

.pricing-card__cta-button--primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(37, 211, 102, 0.4);
}

.pricing-card__cta-button--primary.rcs-theme:hover {
    box-shadow: 0 12px 28px rgba(99, 102, 241, 0.4);
}

.pricing-card__cta-button--secondary {
    background: white;
    color: var(--primary);
    border: 2px solid var(--primary);
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.15);
}

.pricing-card__cta-button--secondary.rcs-theme {
    color: #6366f1;
    border-color: #6366f1;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15);
}

.pricing-card__cta-button--secondary:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.3);
}

.pricing-card__cta-button--secondary.rcs-theme:hover {
    background: #6366f1;
    color: white;
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

/* =========================
   FEATURES SECTION
   ========================= */

.features-section {
    background: white;
    border-radius: 24px;
    padding: 4rem 2.5rem;
    margin-bottom: 3rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-100);
    position: relative;
    overflow: hidden;
}

.features-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, var(--primary-50) 0%, transparent 70%);
    opacity: 0.5;
}

.features-section__title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    color: var(--gray-900);
    text-align: center;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
    position: relative;
    z-index: 1;
}

.features-section__subtitle {
    text-align: center;
    color: var(--gray-600);
    font-size: 1.125rem;
    margin-bottom: 3.5rem;
    font-weight: 500;
}

.features-section__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
    position: relative;
    z-index: 1;
}

/* Feature Card */
.feature-card {
    background: linear-gradient(135deg, var(--gray-50) 0%, white 100%);
    padding: 2.5rem 2rem;
    border-radius: 20px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid var(--gray-200);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
    transition: left 0.6s ease;
}

.feature-card:hover::before {
    left: 100%;
}

.feature-card:hover {
    transform: translateY(-10px) scale(1.03);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-300);
    background: white;
}

.feature-card:nth-child(1) {
    animation: float 6s ease-in-out infinite;
}

.feature-card:nth-child(2) {
    animation: floatReverse 7s ease-in-out infinite;
}

.feature-card:nth-child(3) {
    animation: float 8s ease-in-out infinite;
}

.feature-card:nth-child(4) {
    animation: floatReverse 6.5s ease-in-out infinite;
}

.feature-card:hover {
    animation-play-state: paused;
}

.feature-card__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.feature-card:hover .feature-card__icon {
    transform: rotateY(360deg) scale(1.1);
}

.feature-card:nth-child(1) .feature-card__icon {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
}

.feature-card:nth-child(2) .feature-card__icon {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-dark) 100%);
    color: white;
}

.feature-card:nth-child(3) .feature-card__icon {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    color: white;
}

.feature-card:nth-child(4) .feature-card__icon {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--accent-dark) 100%);
    color: white;
}

.feature-card__title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.75rem;
    letter-spacing: -0.01em;
}

.feature-card__description {
    color: var(--gray-600);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* =========================
   RESPONSIVE DESIGN
   ========================= */

@media (max-width: 1200px) {
    .pricing-plans__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-section__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .pricing-page__container {
        padding: 2rem 1rem;
    }

    .pricing-header {
        padding: 4rem 0 3rem;
    }

    .pricing-header__title {
        font-size: 2.5rem;
    }

    .pricing-header__subtitle {
        font-size: 1.25rem;
    }

    .pricing-header__description {
        font-size: 1rem;
    }

    .pricing-controls {
        gap: 2rem;
        margin-bottom: 3rem;
    }

    .pricing-plans__grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .pricing-card {
        min-height: auto;
        padding: 2rem 1.5rem;
    }

    .pricing-card--popular {
        transform: none;
    }

    .pricing-card:hover {
        transform: translateY(-8px) scale(1.01);
    }

    .pricing-card--popular:hover {
        transform: translateY(-8px) scale(1.01);
    }

    .pricing-card__price {
        font-size: 2.5rem;
    }

    .features-section {
        padding: 3rem 1.5rem;
    }

    .features-section__title {
        font-size: 2rem;
    }

    .features-section__grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .service-toggle__option {
        min-width: 160px;
        padding: 12px 24px;
        font-size: 0.9rem;
    }

    .billing-toggle__option {
        min-width: 110px;
        padding: 12px 20px;
        font-size: 0.875rem;
    }
}

@media (max-width: 480px) {
    .pricing-header {
        padding: 3rem 0 2rem;
    }

    .pricing-header__title {
        font-size: 2rem;
    }

    .pricing-header__subtitle {
        font-size: 1rem;
    }

    .pricing-card {
        padding: 1.75rem 1.25rem;
    }

    .pricing-card__price {
        font-size: 2rem;
    }

    .pricing-card__plan-name {
        font-size: 1.5rem;
    }

    .service-toggle,
    .billing-toggle {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
    }

    .service-toggle__option,
    .billing-toggle__option {
        width: 100%;
        min-width: auto;
    }

    .feature-card {
        padding: 2rem 1.5rem;
    }

    .feature-card__icon {
        width: 64px;
        height: 64px;
        font-size: 1.5rem;
    }
}

/* =========================
   PRINT STYLES
   ========================= */

@media print {
    .pricing-header,
    .pricing-controls,
    .pricing-card__cta-button {
        display: none !important;
    }

    .pricing-card {
        page-break-inside: avoid;
        box-shadow: none;
        border: 1px solid var(--gray-300);
    }

    .pricing-card:hover {
        transform: none;
    }
}