/* ===== ROOT & VARIABLES ===== */
:root {
    /* Colors */
    --bg-primary: #030314;
    --bg-secondary: #0f0f23;
    --bg-tertiary: #171c2c;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --accent-primary: #7c3aed;
    --accent-secondary: #06b6d4;
    --accent-tertiary: #ec4899;
    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    --text-tertiary: #64748b;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;

    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
        'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
        sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ===== TYPOGRAPHY ===== */
h1,
h2,
h3 {
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    color: var(--text-secondary);
    font-size: 1rem;
}

a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--accent-secondary);
}

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 14, 39, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
    padding: var(--spacing-md) 0;
}

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

.logo-icon {
    height: 50px;
    width: 150px;

    vertical-align: middle;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: var(--spacing-xl);
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--accent-primary);
}

.cta-nav {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: var(--text-primary) !important;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-lg);
}

.cta-nav:hover {
    box-shadow: 0 0 20px rgba(99, 97, 255, 0.4);
    color: var(--text-primary) !important;
}

/* ===== HERO SECTION ===== */
.hero {
    margin-top: 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--spacing-2xl) 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-primary) 0%, transparent 70%);
    opacity: 0.005;
    border-radius: 50%;
    animation: float 8s ease-in-out infinite;
}


@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(30px);
    }
}

.hero .container {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content h1 {
    margin-bottom: var(--spacing-lg);
    line-height: 1.3;
}

.highlight {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary), var(--accent-tertiary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xl);
    color: var(--text-secondary);
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.glass-card-large {
    width: 300px;
    height: 350px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 3px solid var(--glass-border);
    border-radius: var(--radius-xl);
    animation: pulse-glow 3s ease-in-out infinite;
    box-shadow: 0 0 40px rgba(99, 97, 255, 0.2);
}

@keyframes pulse-glow {

    0%,
    100% {
        box-shadow: 0 0 40px rgba(99, 97, 255, 0.2);
    }

    50% {
        box-shadow: 0 0 60px rgba(99, 97, 255, 0.4);
    }
}

/* ===== BUTTONS ===== */
.btn {
    padding: 12px 28px;
    border: none;
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: var(--text-primary);
    box-shadow: 0 4px 20px rgba(99, 97, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(99, 97, 255, 0.5);
}

.btn-secondary {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-primary);
}

.btn-full {
    width: 100%;
}

.btn-large {
    padding: 16px 40px;
    font-size: 1.1rem;
}

/* ===== GLASS CARD ===== */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    transform: translateY(0px);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.glass:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent-primary);
    box-shadow: 0 0 32px rgba(143, 143, 143, 0.15);
    transform: translateY(-5px);
}

/* ===== FEATURES SECTION ===== */
.features {
    padding: var(--spacing-2xl) 0;

}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.feature-card {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.feature-card p {
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ===== HOW IT WORKS SECTION ===== */
.how-it-works {
    padding: var(--spacing-2xl) 0;

}

.steps {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    margin-top: var(--spacing-xl);
}

.step {
    flex: 1;
    min-width: 200px;
    text-align: center;
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 50%;
    font-size: 1.8rem;
    font-weight: 800;
    margin: 0 auto var(--spacing-md);
    color: var(--text-primary);
}

.step h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.step p {
    font-size: 0.95rem;
}

.step-arrow {
    font-size: 2rem;
    color: var(--accent-primary);
    opacity: 0.5;
}

/* ===== PRICING SECTION ===== */
.pricing {
    padding: var(--spacing-2xl) 0;

}

.pricing-subtitle {
    text-align: center;
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xl);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.pricing-card {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: var(--spacing-xl);
}

.popular-badge,
.value-badge {
    position: absolute;
    top: -15px;
    left: 20px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: var(--text-primary);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.value-badge {
    background: linear-gradient(135deg, #06b6d4, #0891b2);
}

.pricing-card h3 {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.price {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.currency {
    font-size: 1.5rem;
}

.price-desc {
    font-size: 0.95rem;
    margin-bottom: var(--spacing-lg);
    color: var(--text-secondary);
}

.pricing-features {
    list-style: none;
    flex: 1;
    margin-bottom: var(--spacing-lg);
}

.pricing-features li {
    padding: 10px 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.pricing-features li:last-child {
    border-bottom: none;
}

/* ===== INCLUDED SECTION ===== */
.included {
    padding: var(--spacing-2xl) 0;

}

.included-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.included-item {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.included-icon {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
}

.included-item h3 {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.included-item p {
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ===== FAQ SECTION ===== */
.faq {
    padding: var(--spacing-2xl) 0;

}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.faq-item {
    padding: var(--spacing-lg);
}

.faq-item h3 {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    font-size: 1.1rem;
}

.faq-item p {
    font-size: 0.95rem;
    line-height: 1.8;
}

/* ===== CTA SECTION ===== */
.cta {
    padding: var(--spacing-2xl) 0;

}

.cta-content {
    position: relative; /* needed for ::before to be positioned inside */
    display: flex;
    flex-direction: column; /* stack items vertically */
    justify-content: center; /* vertical centering */
    align-items: center; /* horizontal centering */
    padding: calc(var(--spacing-2xl) - 3px); /* subtract border thickness */
    border-radius: 12px;
    text-align: center; /* center text inside elements */
}


.cta-content::before {
    content: '';
    position: absolute;
    inset: 0; /* fill the parent */
    border-radius: 12px;
    padding: 1px; /* border thickness */
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-mask: 
      linear-gradient(#fff 0 0) content-box, 
      linear-gradient(#fff 0 0);
    -webkit-mask-composite: destination-out;
    mask-composite: exclude;
    pointer-events: none;
}


.cta-content h2 {
    margin-bottom: var(--spacing-md);
    -webkit-background-clip: text;
    background-clip: text;
}

.cta-content p {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--glass-border);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    color: var(--text-secondary);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

.footer-section p {
    font-size: 0.95rem;
    line-height: 1.8;
}

.footer-section a {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-size: 0.95rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--glass-border);
    font-size: 0.9rem;
    color: var(--text-tertiary);
}

.glass,
.feature-card,
.step,
.faq-item {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
    /* already in starting position */
}

.fade-in {
    opacity: 1;
    transform: translateY(0);
}

.preview-logo {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: center;
    display: block;

}


.preview-chat {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.chat-message {
    padding: 10px 15px;
    border-radius: var(--radius-md);
    max-width: 70%;
    word-wrap: break-word;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    font-size: 0.875rem;
    line-height: 1.4;
}

.chat-message.received {
    background: var(--glass-bg);
    border: 2px solid var(--glass-border);
    align-self: flex-start;
    margin-left: 5px;
}

.chat-message.sent {
    background: var(--glass-bg);
    color: var(--text-primary);
    border: 2px solid var(--glass-border);
    align-self: flex-end;
    margin-right: 5px;
    margin-top: 20px;
}

.chat-username {
    font-weight: bold;
    margin-right: 5px;
}

.chat-text {
    display: inline;
}


.free-trial-text {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-sm);
    text-align: center;
}

.free-trial-btn {
    margin-top: var(--spacing-md);
    padding: 12px 28px;
    font-size: 1rem;
    border: none;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
    display: block;
    margin: 0 auto;
    margin-top: var(--spacing-lg);
}

.free-trial {
    padding: var(--spacing-2xl) 0;
}


/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    h3 {
        font-size: 1.2rem;
    }

    .nav-links {
        gap: var(--spacing-lg);
        font-size: 0.9rem;
    }

    .hero {
        margin-top: 70px;
        min-height: auto;
        padding: var(--spacing-xl) 0;
    }

    .hero .container {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .hero-visual {
        order: -1;
    }

    .glass-card-large {
        width: 250px;
        height: 320px;
    }

    .steps {
        gap: var(--spacing-md);
    }

    .step-arrow {
        display: none;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        padding: 12px 20px;
        font-size: 0.9rem;
    }
}



@media (max-width: 480px) {
    h1 {
        font-size: 1.8rem;
    }

    h2 {
        font-size: 1.4rem;
    }

    h3 {
        font-size: 1rem;
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    .nav-links {
        gap: var(--spacing-md);
        font-size: 0.85rem;
        visibility: collapse;
    }

    .price {
        font-size: 2rem;
    }

    .feature-icon,
    .included-icon {
        font-size: 2rem;
    }

    .step-number {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
}