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

:root {
    --primary-color: #3b82f6;
    --secondary-color: #8b5cf6;
    --accent-color: #06b6d4;
    --dark-color: #1e293b;
    --light-color: #f0f9ff;
    --text-color: #334155;
    --border-color: #dbeafe;
    --success-color: #22c55e;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #f093fb 100%);
    --gradient-2: linear-gradient(135deg, #3b82f6 0%, #a855f7 100%);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Prompt', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Navigation */
.header {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.navbar {
    padding: 1rem 0;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    text-decoration: none;
    color: inherit;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--dark-color);
}

.logo h1 span {
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-2);
    transition: width 0.3s;
}

.nav-menu a:hover {
    color: var(--primary-color);
}

.nav-menu a:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--dark-color);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: 
        linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(30, 41, 59, 0.95) 100%),
        url('https://images.unsplash.com/photo-1558494949-ef010cbdcc31?q=80&w=2000') center/cover;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        /* Network Grid Pattern */
        repeating-linear-gradient(0deg, rgba(59, 130, 246, 0.03) 0px, rgba(59, 130, 246, 0.03) 1px, transparent 1px, transparent 40px),
        repeating-linear-gradient(90deg, rgba(59, 130, 246, 0.03) 0px, rgba(59, 130, 246, 0.03) 1px, transparent 1px, transparent 40px),
        /* Animated Gradient Overlay */
        radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.15), transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(168, 85, 247, 0.15), transparent 50%),
        radial-gradient(circle at 50% 20%, rgba(6, 182, 212, 0.1), transparent 40%);
    animation: float 15s ease-in-out infinite;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 10% 10%, rgba(59, 130, 246, 0.4) 0%, transparent 2%),
        radial-gradient(circle at 90% 20%, rgba(168, 85, 247, 0.4) 0%, transparent 2%),
        radial-gradient(circle at 30% 80%, rgba(6, 182, 212, 0.4) 0%, transparent 2%),
        radial-gradient(circle at 70% 60%, rgba(59, 130, 246, 0.4) 0%, transparent 2%),
        radial-gradient(circle at 50% 40%, rgba(168, 85, 247, 0.4) 0%, transparent 2%);
    background-size: 100% 100%;
    animation: pulse 4s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: white;
    padding: 2rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease;
    background: linear-gradient(90deg, 
        #ff0000 0%, 
        #ff7f00 14%, 
        #ffff00 28%, 
        #00ff00 42%, 
        #0000ff 57%, 
        #4b0082 71%, 
        #9400d3 85%, 
        #ff0000 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% auto;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    animation: fadeInUp 1s ease 0.2s backwards;
    background: linear-gradient(90deg, 
        #ff0000 0%, 
        #ff7f00 14%, 
        #ffff00 28%, 
        #00ff00 42%, 
        #0000ff 57%, 
        #4b0082 71%, 
        #9400d3 85%, 
        #ff0000 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    animation: fadeInUp 1s ease 0.4s backwards;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: white;
    color: var(--primary-color);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: var(--primary-color);
}

.btn-package {
    width: 100%;
    background: var(--gradient-2);
    color: white;
    text-align: center;
    display: inline-block;
}

.btn-package:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-popular {
    background: var(--gradient-1);
}

/* Section Styling */
section {
    padding: 5rem 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.section-subtitle {
    text-align: center;
    font-size: 1.125rem;
    color: var(--text-color);
    margin-bottom: 3rem;
}

/* Features Section */
.features {
    background: var(--light-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    justify-items: center;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s;
    border: 1px solid var(--border-color);
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem auto;
}

.feature-icon svg {
    width: 30px;
    height: 30px;
    color: white;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.feature-card p {
    color: var(--text-color);
    line-height: 1.8;
}

/* Domain Section */
.domain-section {
    background: white;
}

.domain-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.domain-card {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s;
}

.domain-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.domain-ext {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.domain-price {
    margin-bottom: 1.5rem;
}

.domain-price .price {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.domain-price .period {
    display: block;
    color: var(--text-color);
    font-size: 1rem;
}

.domain-features {
    list-style: none;
    text-align: left;
}

.domain-features li {
    padding: 0.5rem 0;
    color: var(--text-color);
    border-bottom: 1px solid var(--border-color);
}

.domain-features li:last-child {
    border-bottom: none;
}

/* Packages Section */
.packages {
    background: var(--light-color);
}

/* Package Tabs */
.package-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.package-tab {
    display: flex;
    align-items: center;
    padding: 1rem 2rem;
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.3s ease;
}

.package-tab:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.package-tab.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.package-tab img {
    filter: grayscale(100%);
    transition: filter 0.3s ease;
}

.package-tab.active img {
    filter: grayscale(0%);
}

.packages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.package-card {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: all 0.3s;
    border: 2px solid transparent;
    position: relative;
}

.package-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.package-card.popular {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.package-card.popular:hover {
    transform: scale(1.05) translateY(-10px);
}

.popular-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: var(--gradient-2);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.package-header {
    text-align: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--border-color);
}

.package-name {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.package-price .price {
    font-size: 3rem;
    font-weight: 700;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
    white-space: nowrap;
}

.package-price .period {
    display: block;
    color: var(--text-color);
    font-size: 1rem;
    margin-top: 0.5rem;
}

.package-storage {
    text-align: center;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    padding: 0.75rem;
    background: rgba(37, 99, 235, 0.1);
    border-radius: 8px;
}

.package-features {
    list-style: none;
    margin-bottom: 2rem;
}

.package-features li {
    padding: 0.75rem 0;
    color: var(--text-color);
    display: flex;
    align-items: center;
}

.package-features .icon {
    color: var(--success-color);
    font-weight: 700;
    margin-right: 0.75rem;
    font-size: 1.25rem;
}

/* Technology Section */
.technology {
    background: white;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.tech-item {
    text-align: center;
    padding: 2rem;
    background: var(--light-color);
    border-radius: 12px;
    transition: all 0.3s;
}

.tech-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.tech-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.tech-item h4 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.tech-item p {
    color: var(--text-color);
    line-height: 1.8;
}

/* Contact Section */
.contact {
    background: var(--light-color);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.contact-info h3,
.contact-form h3 {
    font-size: 1.75rem;
    margin-bottom: 2rem;
    color: var(--dark-color);
}

.contact-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.contact-icon {
    font-size: 2rem;
}

.contact-item h4 {
    color: var(--dark-color);
    margin-bottom: 0.25rem;
}

.contact-item p {
    color: var(--text-color);
}

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-family: 'Prompt', sans-serif;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
}

/* Footer */
.footer {
    background: var(--dark-color);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.footer-section h4 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section ul li a:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: 1rem;
    flex-direction: column;
}

.social-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s;
}

.social-link:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.25rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

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

    .packages-grid {
        grid-template-columns: 1fr;
    }

    .package-card.popular {
        transform: scale(1);
    }

    .package-card.popular:hover {
        transform: translateY(-10px);
    }

    .features-grid,
    .domain-grid,
    .tech-grid {
        grid-template-columns: 1fr;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .package-price .price {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 1.75rem;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Selection */
::selection {
    background: var(--primary-color);
    color: white;
}

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

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

::-webkit-scrollbar-thumb {
    background: var(--gradient-2);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* Go to Top Button */
.go-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-2);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}

.go-to-top.show {
    opacity: 1;
    visibility: visible;
}

.go-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.go-to-top svg {
    width: 24px;
    height: 24px;
    color: white;
}

@media (max-width: 768px) {
    .go-to-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
    }
    
    .go-to-top svg {
        width: 20px;
        height: 20px;
    }
}