/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --primary-color: #4F46E5;
    --primary-hover: #4338ca;
    --secondary-color: #7C3AED;
    --accent-color: #06B6D4;
    --dark-bg: #0F172A;
    --card-bg: #1E293B;
    --text-color: #334155;
    --text-light: #F8FAFC;
    --text-muted: #94A3B8;
    --white: #ffffff;
    --bg-light: #F1F5F9;
    --transition: all 0.3s ease;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

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

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

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

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

.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    box-shadow: 0 4px 14px 0 rgba(124, 58, 237, 0.39);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(124, 58, 237, 0.23);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--white);
    color: var(--white);
}

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

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark-bg);
    margin-bottom: 1rem;
}

.section-title p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* Header */
.header {
    background-color: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
}

.header.scrolled {
    padding: 0.8rem 0;
    box-shadow: var(--shadow);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo span {
    color: var(--accent-color);
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-light);
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--accent-color);
}

.nav-toggle {
    display: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding-top: 120px;
    padding-bottom: 80px;
    background-color: var(--dark-bg);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.2) 0%, rgba(15, 23, 42, 0) 70%);
    border-radius: 50%;
    z-index: 0;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    color: var(--white);
    margin-bottom: 1.5rem;
}

.hero-text h1 span {
    background: linear-gradient(to right, var(--accent-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-text p {
    color: var(--text-muted);
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 500px;
}

.hero-btns {
    display: flex;
    gap: 1rem;
}

.hero-img img {
    animation: float 6s ease-in-out infinite;
}

/* Benefits Section */
.benefits {
    padding: 100px 0;
    background-color: var(--white);
}

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

.benefit-card {
    padding: 2rem;
    border-radius: 12px;
    background: var(--bg-light);
    transition: var(--transition);
    border: 1px solid transparent;
}

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

.benefit-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.benefit-card h3 {
    margin-bottom: 1rem;
    color: var(--dark-bg);
}

.benefit-card p {
    color: var(--text-color);
}

/* Plans Section */
.plans {
    padding: 100px 0;
    background-color: var(--bg-light);
}

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

.plan-card {
    background: var(--white);
    padding: 3rem 2rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

.plan-card.popular {
    transform: scale(1.05);
    border: 2px solid var(--secondary-color);
    box-shadow: var(--shadow-lg);
    z-index: 2;
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--secondary-color);
    color: var(--white);
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.plan-name {
    font-size: 1.5rem;
    color: var(--dark-bg);
    margin-bottom: 1rem;
}

.plan-price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

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

.plan-features {
    margin-bottom: 2rem;
    text-align: left;
}

.plan-features li {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-color);
}

.plan-features li i {
    color: var(--secondary-color); /* check icon color */
}

/* Differentials */
.differentials {
    padding: 100px 0;
    background-color: var(--dark-bg);
    color: var(--white);
}

.differentials h2 {
    color: var(--white);
}

.diff-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr); /* Force 4 cols on large screens */
    gap: 2rem;
}

.diff-item {
    text-align: center;
}

.diff-icon {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
}

.diff-item h3 {
    margin-bottom: 0.5rem;
    font-size: 2rem;
}
.diff-item p {
    color: var(--text-muted);
}


/* Testimonials */
.testimonials {
    padding: 100px 0;
}

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

.testi-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.testi-text {
    font-style: italic;
    color: var(--text-color);
}

.testi-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: bold;
}

/* CTA Final */
.cta-final {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    text-align: center;
    color: var(--white);
}

.cta-final h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.cta-final p {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
}

.cta-final .btn {
    background: var(--white);
    color: var(--primary-color);
    padding: 15px 40px;
    font-size: 1.2rem;
}

.cta-final .btn:hover {
    background: var(--dark-bg);
    color: var(--white);
}

/* Footer */
.footer {
    background-color: var(--dark-bg);
    color: var(--text-muted);
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-col h4 {
    color: var(--white);
    margin-bottom: 1.5rem;
}

.footer-col ul li {
    margin-bottom: 0.8rem;
}

.footer-col a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* Animations included */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

/* Animations on Scroll */
.hidden {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

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

/* Responsive */
@media (max-width: 992px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }

    .hero-text h1 {
        font-size: 2.5rem;
    }
    
    .hero-btns {
        justify-content: center;
    }
    
    .hero-img {
        order: -1;
    }

    .diff-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        right: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--dark-bg);
        width: 100%;
        text-align: center;
        padding: 2rem 0;
        transition: 0.3s;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-toggle {
        display: block;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .diff-grid {
        grid-template-columns: 1fr;
    }
}