/* --- Custom Properties & Tokens --- */
:root {
    --bg-color: #0d0f17;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    
    --primary: #8b5cf6;
    --primary-hover: #7c3aed;
    --secondary: #06b6d4;
    
    --glass-bg: rgba(30, 41, 59, 0.4);
    --glass-border: rgba(255, 255, 255, 0.1);
    
    --font-main: 'Outfit', sans-serif;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Base Reset & Typography --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

h1, h2, h3 {
    line-height: 1.2;
    font-weight: 800;
}

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

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

/* --- Animated Background Elements --- */
.gradient-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    z-index: -1;
}

.blob {
    position: absolute;
    filter: blur(100px);
    opacity: 0.5;
    border-radius: 50%;
    animation: drift 20s infinite alternate cubic-bezier(0.4, 0, 0.2, 1);
}

.blob.color-1 {
    top: -10%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, rgba(139,92,246,0.4) 0%, rgba(0,0,0,0) 70%);
}

.blob.color-2 {
    bottom: -20%;
    right: -10%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, rgba(6,182,212,0.3) 0%, rgba(0,0,0,0) 70%);
    animation-direction: alternate-reverse;
}

@keyframes drift {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(50px, 50px) scale(1.1); }
}

/* --- Layout Components --- */
header {
    padding: 2rem 0;
    position: absolute;
    top: 0;
    width: 100%;
    z-index: 10;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo i {
    color: var(--secondary);
}

.highlight {
    color: var(--primary);
}

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-align: center;
}

.btn-outline {
    border: 1px solid var(--glass-border);
    background: transparent;
    color: var(--text-main);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.4);
}

.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(139, 92, 246, 0.6);
    transform: translateY(-2px) scale(1.02);
}

.btn-whatsapp {
    background: linear-gradient(135deg, #25D366, #128C7E);
    color: #fff;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    border: none;
}

.btn-whatsapp:hover {
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
    transform: translateY(-2px) scale(1.02);
}

.btn-telegram {
    background: linear-gradient(135deg, #0088cc, #00A3E0);
    color: #fff;
    box-shadow: 0 4px 15px rgba(0, 136, 204, 0.4);
    border: none;
}

.btn-telegram:hover {
    box-shadow: 0 6px 20px rgba(0, 136, 204, 0.6);
    transform: translateY(-2px) scale(1.02);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* --- Hero Section --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 0 4rem;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    border-radius: 50px;
    background: rgba(139, 92, 246, 0.15);
    border: 1px solid rgba(139, 92, 246, 0.3);
    color: var(--primary);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

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

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.features-list ul {
    list-style: none;
}

.features-list li {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.features-list i {
    color: var(--secondary);
    font-size: 1.2rem;
}

/* --- Glass Card / Form --- */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 2.5rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.glass-card h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.glass-card p {
    color: var(--text-muted);
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

form {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.input-group i {
    position: absolute;
    left: 1rem;
    color: var(--text-muted);
}

.input-group input {
    width: 100%;
    padding: 1rem 1rem 1rem 2.8rem;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    background: rgba(0, 0, 0, 0.2);
    color: var(--text-main);
    font-family: var(--font-main);
    font-size: 1rem;
    transition: var(--transition);
}

.input-group input::placeholder {
    color: rgba(148, 163, 184, 0.6);
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(0, 0, 0, 0.4);
    box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.1);
}

.message {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: 12px;
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.2);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
}

.hidden {
    display: none;
}

/* --- Details / Features Section --- */
.details {
    padding: 6rem 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

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

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

.card {
    background: rgba(30, 41, 59, 0.2);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-10px);
    background: rgba(30, 41, 59, 0.4);
    border-color: rgba(139, 92, 246, 0.3);
}

.card-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(6, 182, 212, 0.2));
    border-radius: 16px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.8rem;
    color: var(--secondary);
    margin-bottom: 1.5rem;
}

.card h3 {
    font-size: 1.4rem;
    margin-bottom: 0.8rem;
}

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

/* --- FAQ Section (SEO) --- */
.faq-section {
    padding: 6rem 0;
    background: rgba(30, 41, 59, 0.1);
    border-top: 1px solid var(--glass-border);
}

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

.faq-item {
    background: rgba(30, 41, 59, 0.3);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    transition: var(--transition);
}

.faq-item:hover {
    background: rgba(30, 41, 59, 0.5);
    border-color: rgba(139, 92, 246, 0.3);
}

.faq-item h3 {
    font-size: 1.2rem;
    color: var(--text-main);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.faq-item p {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.5;
}

/* --- CTA Banner --- */
.cta-banner {
    padding: 5rem 0;
    text-align: center;
    background: linear-gradient(180deg, transparent, rgba(139, 92, 246, 0.05));
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
}

.cta-banner h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-banner p {
    color: var(--text-muted);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

/* --- Footer --- */
footer {
    padding: 3rem 0;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.footer-logo {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--text-main);
}

.footer-links {
    display: flex;
    gap: 2rem;
}

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

/* --- Animations & Utilities --- */
.pulse-btn {
    animation: pulse-glow 2s infinite;
}

@keyframes pulse-glow {
    0% { box-shadow: 0 0 0 0 rgba(139, 92, 246, 0.4); }
    70% { box-shadow: 0 0 0 15px rgba(139, 92, 246, 0); }
    100% { box-shadow: 0 0 0 0 rgba(139, 92, 246, 0); }
}

/* Scroll Reveal Classes (Handled by JS) */
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity 0.8s ease, transform 0.8s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

.fade-in-up { opacity: 0; transform: translateY(40px); transition: opacity 0.8s ease, transform 0.8s ease; }
.fade-in-up.visible { opacity: 1; transform: translateY(0); }

/* --- Responsive Design --- */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }
    
    .hero h1 {
        font-size: 2.8rem;
    }
    
    .features-list li {
        justify-content: center;
    }
    
    .hero {
        padding-top: 7rem;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .glass-card {
        padding: 1.5rem;
    }
    
    #headerCta {
        display: none; /* Hide top CTA on small screens to save space */
    }
}