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

:root {
    /* Colors - Dark Modern Palette */
    --primary: #FACC15;
    --primary-orange: #F97316;
    --secondary: #10B981;
    --dark: #111827;
    --dark-muted: #1F2937;
    --dark-card: rgba(31, 41, 55, 0.9);
    --gray: #9CA3AF;
    --gray-light: #D1D5DB;
    --gray-dark: #374151;
    --white: #FFFFFF;
    --bg: #000000;

    /* Gradients */
    --gradient-primary: linear-gradient(to right, #FACC15, #F97316);
    --gradient-bg: linear-gradient(to bottom right, #111827, #1F2937, #000000);
    --gradient-bg-alt: linear-gradient(to bottom right, #1F2937, #111827, #000000);

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);

    /* Typography */
    --font-system: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
}

body {
    font-family: var(--font-system);
    background: var(--gradient-bg);
    color: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Header ===== */
.header {
    padding: 24px 0;
    background: rgba(31, 41, 55, 0.8);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(55, 65, 81, 0.5);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 20px;
    color: var(--white);
}

.logo img {
    width: 56px;
    height: 56px;
    border-radius: 12px;
}

/* ===== Buttons ===== */
.btn-primary {
    display: inline-block;
    padding: 14px 32px;
    background: var(--gradient-primary);
    color: #000000;
    font-weight: 700;
    font-size: 16px;
    text-decoration: none;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 14px rgba(250, 204, 21, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(250, 204, 21, 0.4);
    background: linear-gradient(to right, #FCD34D, #FB923C);
}

.btn-secondary {
    display: inline-block;
    padding: 10px 24px;
    background: rgba(31, 41, 55, 0.9);
    color: var(--white);
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    border-radius: 10px;
    border: 1px solid var(--gray-dark);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-lg);
}

.btn-secondary:hover {
    border-color: var(--primary);
    background: rgba(31, 41, 55, 1);
    transform: translateY(-1px);
}

.btn-demo {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: rgba(31, 41, 55, 0.9);
    color: var(--white);
    font-weight: 600;
    font-size: 16px;
    text-decoration: none;
    border-radius: 12px;
    border: 1px solid var(--gray-dark);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-lg);
}

.btn-demo:hover {
    border-color: var(--primary);
    background: rgba(31, 41, 55, 1);
    transform: translateY(-2px);
}

.btn-demo svg {
    width: 20px;
    height: 20px;
}

/* ===== Hero Section ===== */
.hero {
    padding: 120px 0 80px;
    background: var(--gradient-bg);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(250, 204, 21, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(16, 185, 129, 0.2);
    color: var(--secondary);
    font-size: 14px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 24px;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.hero-badge svg {
    width: 16px;
    height: 16px;
}

.hero-title {
    font-size: 64px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
    color: var(--white);
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 22px;
    color: var(--gray);
    margin-bottom: 40px;
    line-height: 1.6;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
}

.cta-note {
    font-size: 14px;
    color: var(--gray);
}

/* ===== Features Section ===== */
.features {
    padding: 100px 0;
    background: var(--gradient-bg-alt);
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 64px;
    color: var(--white);
    letter-spacing: -0.01em;
}

.section-subtitle {
    font-size: 20px;
    color: var(--gray);
    text-align: center;
    margin-top: -48px;
    margin-bottom: 64px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.feature-card {
    padding: 40px 32px;
    background: rgba(31, 41, 55, 0.9);
    border: 1px solid var(--gray-dark);
    border-radius: 16px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-lg);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 12px;
    margin-bottom: 24px;
    color: #000000;
}

.feature-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--white);
}

.feature-description {
    font-size: 16px;
    color: var(--gray);
    line-height: 1.6;
}

/* ===== How It Works Section ===== */
.how-it-works {
    padding: 100px 0;
    background: var(--gradient-bg);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.step-card {
    position: relative;
    padding: 40px 32px;
    background: rgba(31, 41, 55, 0.9);
    border-radius: 16px;
    text-align: center;
    border: 1px solid var(--gray-dark);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-lg);
}

.step-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.step-number {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: #000000;
    font-weight: 700;
    font-size: 18px;
    border-radius: 50%;
    box-shadow: 0 4px 10px rgba(250, 204, 21, 0.3);
}

.step-icon {
    width: 80px;
    height: 80px;
    margin: 20px auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(250, 204, 21, 0.2) 0%, rgba(249, 115, 22, 0.2) 100%);
    border-radius: 16px;
    color: var(--primary);
}

.step-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--white);
}

.step-description {
    font-size: 16px;
    color: var(--gray);
    line-height: 1.6;
}

/* ===== Pricing Section ===== */
.pricing {
    padding: 100px 0;
    background: var(--gradient-bg-alt);
}

.pricing-card {
    max-width: 480px;
    margin: 0 auto;
    padding: 48px 40px;
    background: rgba(31, 41, 55, 0.9);
    border: 2px solid var(--primary);
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
    text-align: center;
}

.pricing-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(250, 204, 21, 0.2);
    color: var(--primary);
    font-size: 14px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 24px;
    border: 1px solid rgba(250, 204, 21, 0.3);
}

.price {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    margin-bottom: 32px;
    gap: 4px;
}

.price-currency {
    font-size: 32px;
    font-weight: 700;
    color: var(--white);
    margin-top: 8px;
}

.price-amount {
    font-size: 72px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.price-period {
    font-size: 20px;
    color: var(--gray);
    margin-top: 40px;
}

.pricing-features {
    list-style: none;
    margin-bottom: 32px;
    text-align: left;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    font-size: 16px;
    color: var(--white);
}

.pricing-features svg {
    color: var(--secondary);
    flex-shrink: 0;
}

.pricing-note {
    margin-top: 16px;
    font-size: 14px;
    color: var(--gray);
}

/* ===== Footer ===== */
.footer {
    padding: 60px 0;
    background: var(--dark);
    color: var(--white);
    border-top: 1px solid var(--gray-dark);
}

.footer-content {
    text-align: center;
}

.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-weight: 700;
    font-size: 18px;
    margin-bottom: 16px;
    color: var(--white);
}

.footer-brand img {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    filter: brightness(0) invert(1);
}

.footer-text {
    color: var(--gray);
    font-size: 14px;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .hero-title {
        font-size: 40px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .section-title {
        font-size: 32px;
    }

    .section-subtitle {
        font-size: 18px;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .steps-grid {
        grid-template-columns: 1fr;
    }

    .hero {
        padding: 80px 0 60px;
    }

    .features,
    .pricing,
    .how-it-works {
        padding: 60px 0;
    }

    .price-amount {
        font-size: 56px;
    }

    .pricing-card {
        padding: 32px 24px;
    }

    .cta-buttons {
        flex-direction: column;
        width: 100%;
    }

    .cta-buttons .btn-primary,
    .cta-buttons .btn-demo {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 32px;
    }

    .btn-primary {
        width: 100%;
        text-align: center;
    }
}