:root {
    --primary-color: #FF0000;
    --primary-dark: #CC0000;
    --secondary-color: #990000;
    --text-color: #2c3e50;
    --light-bg: #f8f9fa;
    --gradient: linear-gradient(120deg, #FF0000 0%, #CC0000 100%);
    --font-primary: 'Be Vietnam Pro', sans-serif;
    
    /* New color palette */
    --red-light: #FFE5E5;
    --red-accent: #FF4D4D;
    --red-text: #800000;
    --price-highlight: #FFD700;
}

body {
    font-family: var(--font-primary);
    color: var(--text-color);
    overflow-x: hidden;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.3;
    color: var(--secondary-color);
}

h2.section-title, h2.mb-4 {
    color: var(--primary-color);
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 2rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
}

h2.section-title.light, h2.mb-4.light {
    color: #000000;
    font-weight: 700;
}

/* Hero Section */
.hero-section {
    display: flex;
    justify-content: center;
    width: 100%;
    background: none;
    margin-bottom: 2rem;
}

.hero-container {
    width: 100%;
    max-width: 1400px;
    position: relative;
    margin: 0 auto;
}

/* Desktop styles (>=768px) */
@media (min-width: 768px) {
    .hero-container {
        position: relative;
        width: 100%;
        padding-top: 33.33%;
    }

    .hero-image {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        object-position: center;
    }

    .video-info {
        padding: 2.5rem;
        margin-left: -80px;
    }

    .feature-card {
        padding: 2.5rem;
    }
}

/* Tablet styles */
@media (max-width: 991px) {
    .video-info {
        margin-left: 0;
        margin-top: 2rem;
    }
}

/* Mobile styles */
@media (max-width: 767px) {
    .hero-container {
        width: 100%;
        height: auto;
    }

    .hero-image {
        width: 100%;
        height: auto;
        aspect-ratio: 16/9;
        object-fit: cover;
    }

    .feature-card {
        padding: 1.5rem;
    }

    .video-info {
        padding: 1.5rem;
    }

    .intro-feature-item {
        padding: 1rem;
        min-height: auto;
    }

    .intro-feature-item h3.h4 {
        font-size: 1rem;
        margin-bottom: 0.5rem;
    }

    .intro-feature-item p {
        font-size: 0.85rem;
        line-height: 1.4;
    }

    .intro-feature-item .feature-icon {
        margin-bottom: 0.5rem;
    }

    .intro-feature-item .feature-icon i {
        font-size: 1.5rem;
    }
}

/* Buttons */
.btn-tech {
    background: linear-gradient(45deg, rgba(255, 0, 0, 0.8), rgba(255, 0, 0, 0.6));
    color: white;
    padding: 15px 40px;
    border-radius: 30px;
    border: none;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    font-family: var(--font-primary);
    font-weight: 600;
    letter-spacing: 0.5px;
}

.btn-tech:hover {
    transform: translateY(-3px);
    background: linear-gradient(45deg, rgba(255, 0, 0, 0.9), rgba(255, 0, 0, 0.7));
    box-shadow: 0 5px 15px rgba(255, 0, 0, 0.3);
    color: white;
}

.btn-tech::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(120deg, transparent 0%, rgba(255, 255, 255, 0.2) 50%, transparent 100%);
    transform: translateX(-100%);
    transition: all 0.6s ease;
}

.btn-tech:hover::after {
    transform: translateX(100%);
}

/* Cards */
.feature-card {
    background: white;
    border-radius: 15px;
    transition: all 0.3s ease;
    border: none;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    font-family: var(--font-primary);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
}

/* Pricing Cards */
.price-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    position: relative;
}

.price-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(255, 0, 0, 0.15);
}

.price-card.featured {
    border: 2px solid var(--primary-color);
    transform: scale(1.02);
}

.price-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--red-light);
    color: var(--primary-color);
    padding: 5px 15px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
}

.price-badge.hot {
    background: var(--red-light);
    color: var(--primary-color);
}

.price-header {
    text-align: center;
    padding: 2rem;
    background: var(--primary-color);
    border-radius: 10px 10px 0 0;
}

.price-header h2 {
    color: white;
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

.price-header h3 {
    color: white;
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
}

.price-tag {
    margin-bottom: 1rem;
    position: relative;
}

.price-header .original-price {
    color: rgb(245, 216, 147) !important;
    text-decoration: line-through;
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.price-header .discount-price {
    color: var(--price-highlight) !important;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.price-features {
    padding: 1rem;
    background: white;
}

.discount-label {
    display: block;
    width: fit-content;
    margin: 0.5rem auto;
    background: var(--red-light);
    color: var(--primary-color);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 1rem;
    font-weight: 600;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem 0;
}

.feature-list li {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-color);
}

.feature-list li i {
    position: absolute;
    left: 0;
    top: 4px;
    color: var(--primary-color);
}

@media (max-width: 991px) {
    .price-card.featured {
        transform: scale(1);
    }
}

/* Video Section */
.video-wrapper {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
    position: relative;
}

.video-info {
    background: white;
    border-radius: 15px;
    position: relative;
    z-index: 2;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.video-section .row {
    position: relative;
}

.video-section .row::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    border-top: 2px dashed var(--primary-color);
    opacity: 0.5;
}

.video-section .video-container {
    position: relative;
    z-index: 1;
}

.video-section .video-info {
    position: relative;
    z-index: 1;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* Intro Section */
.intro-section {
    padding: 4rem 0;
    background-color: #ffffff;
    position: relative;
    z-index: 1;
}

.intro-content {
    padding: 2rem;
    background: #ffffff;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    position: relative;
    z-index: 2;
}

.section-title {
    color: #1a2a6c;
    font-weight: 700;
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 3;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.intro-content .lead {
    color: #4a5568;
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 3rem;
    position: relative;
    z-index: 3;
    font-size: 1.2rem;
    font-weight: 400;
    line-height: 1.8;
}

.intro-features {
    position: relative;
    z-index: 3;
}

.intro-feature-item {
    padding: 2rem;
    background: #ffffff;
    border-radius: 15px;
    transition: all 0.3s ease;
    height: 100%;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    z-index: 3;
}

.intro-feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    display: block;
    margin-bottom: 1rem;
}

.intro-feature-item h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.intro-feature-item p {
    font-size: 1rem;
    line-height: 1.6;
}

@media (max-width: 767px) {
    .intro-section {
        padding: 3rem 0;
    }

    .intro-content {
        padding: 1.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .intro-feature-item {
        padding: 1.5rem;
        margin-bottom: 1rem;
    }
}

/* Countdown */
.countdown-wrapper {
    background: var(--gradient);
    padding: 4rem 0;
    text-align: center;
}

.countdown-wrapper h2.mb-4 {
    color: white;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

.countdown-title {
    color: #ffffff;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.countdown-number {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--price-highlight);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    margin-bottom: 0.5rem;
}

.countdown-label {
    font-size: 1.2rem;
    color: var(--red-light);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.countdown-timer {
    background: var(--red-light);
    padding: 1rem;
    border-radius: 10px;
    text-align: center;
    margin-bottom: 1.5rem;
}

.countdown-timer h2 {
    color: var(--primary-color);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.3);
}

.countdown-timer p {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
    font-weight: 600;
}

.timer {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.timer span {
    background: white;
    padding: 5px 8px;
    border-radius: 5px;
    margin: 0 2px;
}

/* Slider */
.swiper-slide {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

/* Animations */
.fade-up {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.fade-up.active {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 768px) {
    .video-info {
        margin-left: 0;
        margin-top: -50px;
    }
    
    .price-card.featured {
        transform: scale(1);
    }
}

@media (max-width: 991px) {
    .price-card.featured {
        transform: scale(1);
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--light-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* Tech border style */
@keyframes borderGlow {
    0% {
        box-shadow: 0 0 5px #007bff, 0 0 10px #007bff, 0 0 15px #007bff;
    }
    50% {
        box-shadow: 0 0 10px #007bff, 0 0 20px #007bff, 0 0 30px #007bff;
    }
    100% {
        box-shadow: 0 0 5px #007bff, 0 0 10px #007bff, 0 0 15px #007bff;
    }
}

.intro-content.text-center {
    border: 2px solid #007bff;
    border-radius: 15px;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.98);
    position: relative;
    animation: borderGlow 3s infinite;
}

.video-info.fade-up {
    border: 2px solid #007bff;
    border-radius: 15px;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.98);
    position: relative;
    animation: borderGlow 3s infinite;
}

.video-info.fade-up h3 {
    color: #007bff;
    margin-bottom: 1.5rem;
}

.video-info.fade-up ul li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.8rem;
}

.video-info.fade-up ul li:before {
    content: "✓";
    color: #007bff;
    position: absolute;
    left: 0;
    top: 0;
}

/* Footer Styles */
.footer-section {
    background: linear-gradient(135deg, #1a237e 0%, #0d47a1 100%);
    color: #fff;
    position: relative;
    z-index: 1;
}

.footer-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="20" height="20" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><rect width="1" height="1" fill="rgba(255,255,255,0.05)"/></svg>') repeat;
    opacity: 0.1;
    z-index: -1;
}

.footer-contact {
    margin: 0;
    padding: 0;
    position: relative;
    z-index: 2;
}

.footer-contact li {
    margin-bottom: 1rem;
    position: relative;
}

.footer-contact li a {
    color: #fff;
    text-decoration: none;
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
    position: relative;
    z-index: 3;
    cursor: pointer;
}

.footer-contact li a:hover {
    color: #64b5f6;
}

.footer-contact li a i {
    width: 25px;
    margin-right: 10px;
    text-align: center;
}

.footer-contact li a span {
    color: #fff;
}

.footer-contact li a:hover span {
    color: #64b5f6;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    position: relative;
    z-index: 2;
}