/* Base Reset & Variables */
:root {
    --bg-color: #0b0c10;
    --card-bg: #1f2833;
    --primary-color: #00e5ff; /* Matches neon vibe */
    --secondary-color: #45a29e;
    --text-main: #ffffff;
    --text-muted: #c5c6c7;
    --font-family: 'Inter', sans-serif;
    --border-radius: 12px;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    scroll-behavior: smooth;
    overflow-x: hidden;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s ease;
}

/* Header */
header {
    padding: 20px 0;
    background: rgba(11, 12, 16, 0.8);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 1px;
    background: linear-gradient(90deg, #ffffff, var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

nav a {
    margin-left: 20px;
    font-size: 0.95rem;
    color: var(--text-muted);
}

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

/* Typography & Layout */
.section-title {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 40px;
    font-weight: 700;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    border: none;
    text-decoration: none;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    background: var(--primary-color);
    color: #000;
    box-shadow: 0 4px 15px rgba(0, 229, 255, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(0, 229, 255, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-main);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
}

/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 100vh;
    padding: 120px 5% 60px;
    background: radial-gradient(circle at top right, rgba(0, 229, 255, 0.1), transparent 40%);
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
}

.tagline {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    font-weight: 600;
}

.description {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.cta-group {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.mockup-placeholder {
    width: 300px;
    height: 600px;
    background: linear-gradient(145deg, #1f2833, #0b0c10);
    border-radius: 40px;
    border: 8px solid #2c3540;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.mockup-placeholder::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(transparent, rgba(0, 229, 255, 0.3), transparent 30%);
    animation: rotate 4s linear infinite;
}

.mockup-content {
    position: relative;
    z-index: 1;
    background: var(--bg-color);
    width: 96%;
    height: 98%;
    border-radius: 32px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.mockup-logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.mockup-text {
    font-size: 0.9rem;
    color: var(--text-muted);
}

@keyframes rotate {
    100% {
        transform: rotate(360deg);
    }
}

/* Features Section */
#features {
    padding: 80px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 229, 255, 0.3);
}

.feature-card h3 {
    margin-bottom: 15px;
    font-size: 1.3rem;
    color: #fff;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* How It Works Section */
.how-it-works-section {
    background: rgba(255, 255, 255, 0.02);
    padding: 80px 0;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    text-align: center;
}

.step-icon {
    width: 60px;
    height: 60px;
    background: rgba(0, 229, 255, 0.1);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 20px;
    border: 1px solid rgba(0, 229, 255, 0.2);
}

.step h3 {
    margin-bottom: 10px;
}

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

/* FAQ Section */
#faq {
    padding: 80px 0;
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--card-bg);
    margin-bottom: 15px;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
    overflow: hidden;
}

.faq-question {
    padding: 20px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question::after {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    color: var(--text-muted);
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 0 20px 20px;
    max-height: 200px;
}

/* Contact Section */
.contact-section {
    padding: 80px 0;
    text-align: center;
    background: radial-gradient(circle at bottom, rgba(0, 229, 255, 0.05), transparent 50%);
}

.contact-card {
    background: var(--card-bg);
    max-width: 400px;
    margin: 30px auto 0;
    padding: 30px;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.email-link {
    display: block;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-top: 10px;
}

.email-link:hover {
    text-decoration: underline;
}

/* Footer */
footer {
    background: #060709;
    padding: 40px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.footer-brand h3 {
    font-size: 1.2rem;
    background: linear-gradient(90deg, #ffffff, var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.copyright {
    color: rgba(255, 255, 255, 0.3);
    font-size: 0.85rem;
    margin-top: 10px;
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 0.9rem;
}

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

/* Responsive Design */
@media (max-width: 900px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 150px;
    }
    
    .hero-content {
        margin-bottom: 60px;
    }
    
    .cta-group {
        justify-content: center;
    }
    
    .hero h1 {
        font-size: 2.8rem;
    }
}

@media (max-width: 600px) {
    nav {
        display: none; /* Hide nav on very small screens for simplicity */
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .tagline {
        font-size: 1.2rem;
    }
    
    .cta-group {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}