:root {
    --bg-color: #050505;
    --surface-color: #121212;
    --border-color: rgba(255, 255, 255, 0.08);
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --accent-primary: #e20000;
    --accent-secondary: #8b0000;
    --card-hover: rgba(226, 0, 0, 0.05);
    
    --grad-primary: linear-gradient(180deg, #ff4c4c 0%, #e20000 45%, #8b0000 100%);
    --grad-hover: linear-gradient(135deg, #ff0000 0%, #a30000 100%);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    overflow-x: hidden;
    position: relative;
    padding-bottom: 4rem;
}

/* Background Effects */
.bg-effects {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.glow-orb {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.15;
    animation: float 20s infinite ease-in-out alternate;
}

.orb-1 {
    top: -200px;
    left: -100px;
    background: var(--accent-primary);
}

.orb-2 {
    bottom: -200px;
    right: -100px;
    background: var(--accent-secondary);
    animation-delay: -10s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(100px, 50px) scale(1.2); }
}

/* Header & Logo */
.header {
    text-align: center;
    padding: 3rem 1rem 3rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}

.back-link {
    position: absolute;
    top: 1rem;
    left: 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.back-link:hover {
    color: var(--text-primary);
    background: rgba(226, 0, 0, 0.1);
    border-color: var(--accent-primary);
    transform: translateX(-3px);
}

.logo-container {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 2rem;
    max-width: 90%;
}

.logo {
    font-family: 'Outfit', sans-serif;
    font-size: 6rem;
    font-weight: 800;
    letter-spacing: -3px;
    margin-bottom: -15px;
    background: var(--grad-primary);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-transform: uppercase;
    line-height: 1;
    text-shadow: 0 10px 30px rgba(226, 0, 0, 0.3);
}

.logo-tag {
    background: #000;
    color: #9ca3af;
    padding: 8px 30px;
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    letter-spacing: 4px;
    font-size: 1.1rem;
    text-transform: uppercase;
    border-radius: 4px;
    white-space: nowrap;
    box-shadow: 0 4px 10px rgba(0,0,0,0.5);
    border: 1px solid rgba(255,255,255,0.1);
}

.tagline {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 500px;
    margin: 1.5rem auto 0;
}

/* Main Content */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.mt-5 {
    margin-top: 5rem;
}

.section-title {
    font-family: 'Outfit', sans-serif;
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-primary);
}

.section-title i {
    color: var(--accent-primary);
}

/* Swiper Styles */
.swiper {
    width: 100%;
    padding: 2rem 1rem 4rem !important; /* Space for shadow and pagination */
}

/* Cards */
.card {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2rem;
    height: auto !important; /* Let content dictate height, stretch handled by swiper */
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    position: relative;
    box-sizing: border-box;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
    border-color: rgba(226, 0, 0, 0.3);
    background: var(--card-hover);
}

/* Featured Card */
.featured {
    border-color: rgba(226, 0, 0, 0.5);
    background: linear-gradient(180deg, rgba(226, 0, 0, 0.05) 0%, rgba(18, 18, 18, 1) 100%);
    box-shadow: 0 0 40px rgba(226, 0, 0, 0.1);
}

.popular-tag {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--grad-primary);
    color: white;
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    box-shadow: 0 4px 15px rgba(226, 0, 0, 0.4);
}

/* Card Content */
.card-header {
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.5rem;
}

.badge {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.badge-accent {
    background: rgba(226, 0, 0, 0.2);
    color: #ffcccc;
    border: 1px solid rgba(226, 0, 0, 0.3);
}

.card-header h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.price {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    display: flex;
    align-items: baseline;
    gap: 4px;
}

.price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-secondary);
}

.discount-tiers {
    margin-top: 0.8rem;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    font-size: 0.85rem;
    color: var(--accent-primary);
    font-weight: 500;
}

.card-body {
    flex-grow: 1;
}

.objective {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

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

.features {
    list-style: none;
    margin-bottom: 1.5rem;
}

.features li {
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
    margin-bottom: 0.8rem;
    font-size: 0.95rem;
    color: #e0e0e0;
    line-height: 1.4;
}

.features i {
    color: var(--accent-primary);
    font-size: 1.2rem;
    margin-top: 2px;
}

.observations {
    font-size: 0.85rem;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.03);
    padding: 0.8rem;
    border-radius: 8px;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.observations i {
    color: var(--accent-secondary);
    margin-top: 2px;
}

.card-footer {
    margin-top: 2rem;
}

.cta-button {
    width: 100%;
    padding: 1rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.05);
    color: white;
    font-size: 1rem;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cta-button:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.btn-accent {
    background: var(--grad-primary);
    border: none;
    box-shadow: 0 4px 15px rgba(226, 0, 0, 0.4);
}

.btn-accent:hover {
    background: var(--grad-hover);
    box-shadow: 0 6px 20px rgba(226, 0, 0, 0.6);
}

/* Global Obs */
.global-observations {
    text-align: center;
    margin-top: 3rem;
    padding: 1rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    border-top: 1px solid var(--border-color);
}

.global-observations i {
    vertical-align: middle;
    margin-right: 5px;
    color: var(--text-primary);
}

/* Customizing Swiper Navigation */
.swiper-button-next,
.swiper-button-prev {
    color: var(--accent-primary) !important;
    background: rgba(18, 18, 18, 0.8);
    width: 44px !important;
    height: 44px !important;
    border-radius: 50%;
    border: 1px solid rgba(226, 0, 0, 0.3);
    backdrop-filter: blur(5px);
    transition: all 0.3s;
}

.swiper-button-next:hover,
.swiper-button-prev:hover {
    background: var(--accent-primary);
    color: white !important;
    transform: scale(1.1);
}

.swiper-button-next:after,
.swiper-button-prev:after {
    font-size: 1.2rem !important;
    font-weight: 800;
}

.swiper-pagination-bullet {
    background: rgba(255, 255, 255, 0.3) !important;
    opacity: 1 !important;
}

.swiper-pagination-bullet-active {
    background: var(--accent-primary) !important;
    box-shadow: 0 0 10px rgba(226, 0, 0, 0.6);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .logo {
        font-size: 2.5rem;
    }
    
    .card {
        padding: 1.5rem;
    }
}