:root {
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --secondary-color: #eff6ff;
    --text-color: #1f2937;
    --light-text: #6b7280;
    --white: #ffffff;
    --dark-bg: #111827;
    --light-bg: #f9fafb;
    --card-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

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

header {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 1px;
}

nav {
    display: flex;
    align-items: center;
    gap: 30px;
}

nav a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
}

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

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 99px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    text-align: center;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

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

.btn-xl {
    padding: 16px 40px;
    font-size: 1.1rem;
}

.hero {
    padding: 200px 0 100px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    text-align: center;
}

.hero-content {
    position: relative;
    z-index: 10;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 20px;
    background: linear-gradient(to right, #1d4ed8, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
}

.hero p {
    font-size: 1.25rem;
    color: var(--light-text);
    max-width: 600px;
    margin: 0 auto 40px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* Dynamic Accents */
.dynamic-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.blob {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(40px);
}

.blob-1 { top: -20%; right: -10%; animation: float 15s infinite; }
.blob-2 { bottom: -20%; left: -10%; animation: float 20s infinite reverse; }

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, -50px); }
}

.bird {
    position: absolute;
    font-size: 2rem;
    opacity: 0.3;
    pointer-events: none;
}

.bird-1 {
    top: 15%;
    left: 5%;
    animation: bird-glide 25s linear infinite;
}

.bird-2 {
    bottom: 20%;
    right: 5%;
    animation: bird-glide 30s linear infinite reverse;
}

@keyframes bird-glide {
    0% { transform: translate(-100px, 0) rotate(5deg); }
    50% { transform: translate(calc(50vw), 20px) rotate(-5deg); }
    100% { transform: translate(calc(100vw + 100px), 0) rotate(5deg); }
}

/* Sections */
.section {
    padding: 100px 0;
}

.bg-light { background: var(--light-bg); }

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 60px;
}

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.feature-card {
    background: var(--white);
    padding: 40px;
    border-radius: 24px;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card .icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 15px;
    font-size: 1.5rem;
}

/* Pricing */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.pricing-card {
    background: var(--white);
    padding: 50px 40px;
    border-radius: 32px;
    box-shadow: var(--card-shadow);
    text-align: center;
    position: relative;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.pricing-card.featured {
    border: 2px solid var(--primary-color);
    transform: scale(1.05);
    z-index: 5;
}

.badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--primary-color);
    color: var(--white);
    padding: 5px 15px;
    border-radius: 99px;
    font-size: 0.8rem;
    font-weight: 700;
}

.plan-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--light-text);
    margin-bottom: 10px;
}

.plan-traffic {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: var(--text-color);
    font-weight: 600;
}

.price {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 30px;
}

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

.plan-features {
    list-style: none;
    margin-bottom: 40px;
    text-align: left;
}

.plan-features li {
    padding: 10px 0;
    color: var(--light-text);
    display: flex;
    align-items: center;
    gap: 10px;
}

.plan-features li::before {
    content: "✓";
    color: var(--primary-color);
    font-weight: 900;
}

.sub-pricing {
    margin: 20px 0 30px;
    font-size: 0.9rem;
    color: var(--light-text);
}

.pricing-card .btn {
    width: 100%;
}

/* Articles */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.article-card {
    background: var(--white);
    padding: 30px;
    border-radius: 20px;
    text-decoration: none;
    color: inherit;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.article-card h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    line-height: 1.4;
}

.article-card p {
    font-size: 0.9rem;
    color: var(--light-text);
    margin-bottom: 20px;
}

.read-more {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
}

/* Footer */
footer {
    background: var(--dark-bg);
    color: var(--white);
    padding: 80px 0 40px;
}

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

.footer-info p {
    color: #9ca3af;
    margin-top: 10px;
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a {
    color: #9ca3af;
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--white);
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    nav { display: none; }
    .pricing-card.featured { transform: scale(1); }
    .footer-content { flex-direction: column; gap: 40px; text-align: center; }
}