@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;800&display=swap');

:root {
    --primary-color: #007bff;
    --secondary-color: #00d4ff;
    --accent-color: #7000ff;
    --bg-dark: #020617;
    --bg-gradient: radial-gradient(circle at top right, #1e1b4b, #020617), radial-gradient(circle at bottom left, #1e293b, #020617);
    --text-white: #ffffff;
    --text-muted: #94a3b8;
    --card-bg: rgba(30, 41, 59, 0.5);
    --card-border: rgba(255, 255, 255, 0.1);
    --glass-bg: rgba(15, 23, 42, 0.8);
    --accent-glow: 0 0 30px rgba(0, 212, 255, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
    scroll-behavior: smooth;
}

body {
    background: var(--bg-dark);
    background-image: var(--bg-gradient);
    color: var(--text-white);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Custom Scrollbar */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: #0f172a; }
::-webkit-scrollbar-thumb { background: #334155; border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--secondary-color); }

/* Header & Nav */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--card-border);
    padding: 1.2rem 8%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-container img {
    height: 45px;
    width: auto;
    filter: drop-shadow(0 0 8px rgba(0, 212, 255, 0.5));
    animation: float 3s ease-in-out infinite;
}

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

.logo-container span {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -1px;
    background: linear-gradient(135deg, #fff 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

nav a {
    color: var(--text-white);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: all 0.3s;
    opacity: 0.8;
}

nav a:hover {
    color: var(--secondary-color);
    opacity: 1;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

.cta-small {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 0.6rem 1.5rem !important;
    border-radius: 50px;
    color: #fff !important;
    font-weight: 600 !important;
    opacity: 1 !important;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
}

/* Hero Section */
.hero {
    position: relative;
    padding: 220px 8% 120px;
    text-align: center;
    min-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('img/hero_bg.png') no-repeat center center;
    background-size: cover;
    opacity: 0.3;
    z-index: -1;
    mask-image: radial-gradient(circle, black 30%, transparent 80%);
}

.hero h1 {
    font-size: 5rem;
    line-height: 1.1;
    margin-bottom: 2rem;
    font-weight: 800;
    background: linear-gradient(to bottom, #fff 30%, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: fadeInUp 0.8s ease-out;
}

.hero p {
    font-size: 1.4rem;
    color: var(--text-muted);
    max-width: 800px;
    margin-bottom: 3rem;
    animation: fadeInUp 1s ease-out;
}

.cta-button {
    display: inline-block;
    padding: 1.2rem 3rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: #fff;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 700;
    font-size: 1.2rem;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

.cta-button:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.5);
}

/* Pricing Section */
.pricing {
    padding: 120px 8%;
    position: relative;
}

.section-title {
    text-align: center;
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 5rem;
    background: linear-gradient(to right, #fff, var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 3rem;
    max-width: 1300px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 4rem 2.5rem;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.pricing-card:hover {
    transform: translateY(-15px);
    border-color: var(--secondary-color);
    background: rgba(30, 41, 59, 0.8);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
}

.pricing-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: 0.5s;
    pointer-events: none;
}

.pricing-card:hover::after { opacity: 1; }

.pricing-card.featured {
    border: 1px solid var(--secondary-color);
    background: rgba(0, 123, 255, 0.05);
}

.badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--secondary-color);
    color: #020617;
    padding: 4px 15px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
}

.plan-name {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.price {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1rem;
    display: flex;
    justify-content: center;
    align-items: baseline;
}

.price span {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-left: 5px;
}

.features-list {
    list-style: none;
    margin: 3rem 0;
    text-align: left;
}

.features-list li {
    margin-bottom: 1.2rem;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-muted);
}

.features-list li::before {
    content: "✦";
    color: var(--secondary-color);
    font-weight: bold;
}

/* Reveal Animation */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Articles Section */
.articles-preview {
    padding: 120px 8%;
}

.article-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    max-width: 1300px;
    margin: 0 auto;
}

.article-card {
    background: var(--card-bg);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--card-border);
    transition: 0.4s;
    cursor: pointer;
}

.article-card:hover {
    border-color: var(--secondary-color);
    transform: scale(1.02);
}

.article-content {
    padding: 2.5rem;
}

.article-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1.2rem;
    color: #fff;
}

.article-content p {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.article-link {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: 0.3s;
}

.article-link:hover {
    gap: 15px;
}

/* Testimonials & FAQ */
.testimonials, .faq {
    padding: 120px 8%;
    max-width: 1200px;
    margin: 0 auto;
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.03);
    padding: 3rem;
    border-radius: 24px;
    border: 1px solid var(--card-border);
    position: relative;
}

.faq-item {
    background: rgba(255, 255, 255, 0.02);
    margin-bottom: 1.5rem;
    border-radius: 16px;
    padding: 2rem;
    border: 1px solid var(--card-border);
}

.faq-item h3 {
    font-size: 1.3rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

/* Footer */
footer {
    padding: 80px 8% 40px;
    border-top: 1px solid var(--card-border);
    text-align: center;
}

footer p { color: var(--text-muted); }

/* Animations */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Mobile */
@media (max-width: 1024px) {
    .hero h1 { font-size: 3.5rem; }
}

@media (max-width: 768px) {
    .hero h1 { font-size: 2.8rem; }
    nav ul { display: none; }
}