:root {
    --primary-color: #1a237e; /* Deep Blue */
    --accent-color: #00e5ff; /* Cyan */
    --text-color: #333333;
    --text-light: #ffffff;
    --bg-light: #f9f9f9;
    --bg-white: #ffffff;
    --bg-dark: #121212;
    --transition: all 0.3s ease;
    --font-main: 'Inter', sans-serif;
    --spacing-section: 80px;
}

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

body {
    font-family: var(--font-main);
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--bg-white);
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.5rem; }

a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }

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

.container-sm {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.text-gradient {
    background: linear-gradient(90deg, var(--bg-white), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    /* Fallback for visibility on light backgrounds if needed, but here it's on dark usually */
}
/* Specific override for hero h1 gradient on dark bg */
.hero h1 .text-gradient {
    background: linear-gradient(90deg, #4fb3ff, var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}


.bg-light { background-color: var(--bg-light); }
.bg-dark { background-color: var(--primary-color); color: var(--text-light); }
.text-white { color: var(--text-light); }

.section { padding: var(--spacing-section) 0; }
.section-header { text-align: center; margin-bottom: 50px; }
.section-header p { font-size: 1.1rem; color: #666; max-width: 600px; margin: 0 auto; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    border: 2px solid transparent;
}
.btn.sm { padding: 8px 16px; font-size: 0.9rem; }
.btn-primary { background-color: transparent; color: var(--text-light); border-color: rgba(255,255,255,0.3); }
.btn-primary:hover { border-color: var(--accent-color); color: var(--accent-color); }

.btn-accent {
    background-color: var(--accent-color);
    color: var(--primary-color);
}
.btn-accent:hover {
    background-color: #00b8cc;
    transform: translateY(-2px);
    box-shadow: 0 0 15px rgba(0, 229, 255, 0.4);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}
.hero .btn-outline {
    border-color: var(--text-light);
    color: var(--text-light);
}
.hero .btn-outline:hover {
    background-color: rgba(255,255,255,0.1);
}
.full-width { width: 100%; text-align: center; }

/* Navigation */
.navbar {
    background-color: var(--primary-color);
    color: var(--text-light);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

.logo { font-size: 1.5rem; font-weight: 800; color: var(--text-light); }
.logo .highlight { color: var(--accent-color); }

.nav-links { display: flex; gap: 30px; align-items: center; }
.nav-links a:hover { color: var(--accent-color); }

.mobile-menu-btn { display: none; background: none; border: none; font-size: 1.5rem; color: #fff; cursor: pointer; }

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0d1245 100%);
    color: var(--text-light);
    padding: 100px 0 120px;
    text-align: center;
}

.hero-content { max-width: 900px; margin: 0 auto; }
.sub-headline { font-size: 1.25rem; margin-bottom: 2rem; opacity: 0.9; }
.hero-benefits {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}
.hero-benefits li { font-size: 1.1rem; background: rgba(255,255,255,0.1); padding: 8px 16px; border-radius: 50px; }

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

/* Problem/Solution Grid */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.card { padding: 30px; border-radius: 12px; background: var(--bg-white); box-shadow: 0 5px 20px rgba(0,0,0,0.05); }
.pain-points li, .solution li { margin-bottom: 20px; padding-left: 20px; position: relative; }
.pain-points h3 { color: #d32f2f; margin-bottom: 20px; }
.solution h3 { color: #388e3c; margin-bottom: 20px; }

/* Tools Grid */
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.tool-category {
    background: var(--bg-white);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid #eee;
    transition: var(--transition);
}
.tool-category:hover { border-color: var(--accent-color); transform: translateY(-5px); }
.tool-category h3 { font-size: 1.3rem; margin-bottom: 10px; }
.cat-benefit { font-size: 0.9rem; color: #666; margin-bottom: 20px; font-style: italic; }
.tool-list li { margin-bottom: 15px; border-bottom: 1px solid #f0f0f0; padding-bottom: 15px; }
.tool-list li:last-child { border-bottom: none; }
.tool-list strong { display: block; color: var(--primary-color); }
.tool-list span { font-size: 0.9rem; color: #555; }

/* How It Works */
.steps-grid { display: flex; justify-content: space-between; gap: 30px;  }
.step-card { text-align: center; flex: 1; }
.step-number {
    width: 60px; height: 60px;
    background-color: var(--accent-color);
    color: var(--primary-color);
    border-radius: 50%;
    font-size: 1.5rem;
    font-weight: 800;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 20px;
}

/* Testimonials */
.testimonial-card {
    background: var(--bg-light);
    padding: 40px;
    border-radius: 12px;
    border-left: 5px solid var(--accent-color);
}
.quote { font-size: 1.1rem; font-style: italic; margin-bottom: 20px; }
.author { display: flex; align-items: center; gap: 15px; }
.avatar-circle { width: 50px; height: 50px; background: #ddd; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; }

/* Pricing */
.pricing-grid { display: flex; gap: 30px; justify-content: center; align-items: flex-end; }
.pricing-card {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    flex: 1;
    text-align: center;
    position: relative;
    border: 1px solid #eee;
}
.pricing-card.featured {
    border: 2px solid var(--accent-color);
    transform: scale(1.05);
    z-index: 10;
}
.badge {
    position: absolute;
    top: -15px; left: 50%; transform: translateX(-50%);
    background: var(--accent-color);
    color: var(--primary-color);
    padding: 5px 15px;
    border-radius: 20px;
    font-weight: bold;
    font-size: 0.8rem;
    text-transform: uppercase;
}
.price { font-size: 3rem; font-weight: 800; color: var(--primary-color); margin: 20px 0; }
.price span { font-size: 1rem; color: #888; font-weight: 500; }
.features { margin-bottom: 30px; text-align: left; }
.features li { margin-bottom: 10px; padding-left: 20px; position: relative; }
.features li::before { content: '✓'; color: green; position: absolute; left: 0; }

/* FAQ */
.faq-item { margin-bottom: 15px; border-bottom: 1px solid #eee; }
.faq-question {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    padding: 20px 0;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
}
.faq-question::after { content: '+'; font-size: 1.5rem; }
.faq-answer { display: none; padding-bottom: 20px; color: #555; }
.faq-item.active .faq-answer { display: block; }
.faq-item.active .faq-question::after { content: '-'; }

/* Footer */
.footer { background: var(--primary-color); color: var(--text-light); text-align: center; padding: 60px 0 20px; }
.footer-cta { margin-bottom: 60px; padding-bottom: 60px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.footer-bottom { font-size: 0.9rem; opacity: 0.7; }

/* Responsive */
@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    .nav-links { display: none; } /* Mobile menu simplified for now */
    .mobile-menu-btn { display: block; }
    .grid-2, .pricing-grid, .steps-grid { grid-template-columns: 1fr; display: grid; }
    .pricing-card.featured { transform: scale(1); }
    .hero-benefits { flex-direction: column; align-items: center; }
}