:root {
    --bg-dark: #0A0D14;
    --bg-card: #151A23;
    --text-main: #FFFFFF;
    --text-muted: #8B949E;
    --accent-blue: #0071CE;
    --accent-hover: #00569D;
    --border-color: #2D3748;
    --font-stack: 'Inter', sans-serif;
}

html { scroll-behavior: smooth; }

* { margin: 0; padding: 0; box-sizing: border-box; font-family: var(--font-stack); }

body { background-color: #EAEAEA; color: #111; }

/* NAVBAR */
.navbar {
    background-color: #FFFFFF; padding: 15px 40px; border-bottom: 1px solid #ddd;
    position: sticky; top: 0; z-index: 100;
}
.nav-container { max-width: 1400px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 24px; font-weight: 200; color: var(--accent-blue); letter-spacing: -0.5px; }
.logo span { font-weight: 700; color: var(--accent-blue); }

.nav-links { list-style: none; display: flex; gap: 25px; }
.nav-links a { text-decoration: none; color: #333; font-size: 14px; font-weight: 500; transition: color 0.3s ease; }
.nav-links a:hover { color: var(--accent-blue); }

/* QUERY INITIALIZATION SECTION */
.query-section { background-color: var(--bg-dark); padding: 40px 20px; text-align: center; color: white; }
.query-section h2 { font-weight: 300; font-size: 28px; margin-bottom: 20px; }
.main-search { max-width: 800px; margin: 0 auto; display: flex; background: white; border-radius: 30px; overflow: hidden; }
.main-search input { flex: 1; padding: 15px 25px; border: none; font-size: 16px; outline: none; }
.search-btn { background: #EAEAEA; border: none; padding: 0 25px; cursor: pointer; transition: background 0.3s; color: #111; }
.search-btn:hover { background: #D1D1D1; }

/* HERO SECTION */
.hero-section {
    display: flex; align-items: stretch; padding: 0;
    background: linear-gradient(135deg, #fdfdfd 0%, #d4d4d4 100%); min-height: 550px;
}
.hero-content { flex: 0 0 40%; padding: 60px 4% 60px 10%; display: flex; flex-direction: column; justify-content: center; }
.eyebrow { font-size: 16px; font-weight: 500; line-height: 1.5rem; letter-spacing: 1px; color: #030303; margin-bottom: 20px; }
.hero-content h1 { font-size: 32px; font-weight: 300; line-height: 1.1; margin-bottom: 20px; color: #000000; }
.sub-headline { font-size: 16px; font-weight: 400; color: #000000; line-height: 1.6; margin-bottom: 30px; max-width: 450px; }

.btn-primary {
    background-color: #111; color: white; padding: 15px 35px; border: none; font-size: 16px; font-weight: 600;
    cursor: pointer; transition: all 0.3s ease; align-self: flex-start;
}
.btn-primary:hover { background-color: var(--accent-blue); transform: translateY(-2px); }

.hero-image { flex: 0 0 60%; position: relative; overflow: hidden; }
.hero-image img.slide { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; opacity: 0; transition: opacity 1.5s ease-in-out; }
.hero-image img.slide.active { opacity: 1; z-index: 1; }

/* LICENSE SECTION */
.pricing-section { background-color: var(--bg-dark); padding: 80px 10%; color: white; }
.pricing-header { text-align: center; margin-bottom: 60px; }
.pricing-header h2 { font-size: 36px; font-weight: 300; margin-bottom: 10px; }
.pricing-header p { color: var(--text-muted); max-width: 600px; margin: 0 auto; }
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; max-width: 1200px; margin: 0 auto; }

.price-card { background: white; color: #111; padding: 50px 40px; border-radius: 4px; text-align: center; transition: transform 0.3s ease, box-shadow 0.3s ease; position: relative; }
.price-card:hover { transform: translateY(-10px); box-shadow: 0 20px 40px rgba(0,0,0,0.2); }
.price-card.popular { border-top: 5px solid var(--accent-blue); }
.badge { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--accent-blue); color: white; padding: 5px 15px; font-size: 12px; font-weight: 600; border-radius: 20px; }
.price-card h3 { font-size: 20px; font-weight: 400; margin-bottom: 15px; text-decoration: underline; text-underline-offset: 8px; }
.price { font-size: 32px; font-weight: 300; margin-bottom: 30px; }
.features { list-style: none; text-align: left; margin-bottom: 40px; }
.features li { font-size: 14px; margin-bottom: 15px; color: #555; display: flex; align-items: center; gap: 10px; }
.features li i { color: var(--accent-blue); }

.btn-outline { background: transparent; border: 2px solid #111; padding: 12px 30px; font-weight: 600; cursor: pointer; width: 100%; transition: 0.3s; }
.btn-outline:hover { background: #111; color: white; }
.price-card.popular .btn-primary { width: 100%; }

/* DESKTOP APP SECTION */
.desktop-app-section {
    background: linear-gradient(rgba(10, 13, 20, 0.8), rgba(10, 13, 20, 0.9)), url("../images/book and keys.jpg") center/cover fixed;
    padding: 120px 20px; text-align: center; color: white;
}
.app-content { max-width: 800px; margin: 0 auto; }
.app-eyebrow { font-size: 14px; font-weight: 600; text-transform: uppercase; letter-spacing: 2px; margin-bottom: 15px; }
.app-content h2 { font-size: 42px; font-weight: 300; margin-bottom: 20px; }
.app-content p { font-size: 16px; color: #ccc; line-height: 1.6; margin-bottom: 40px; }
.btn-blue { background-color: var(--accent-blue); color: white; padding: 15px 40px; border: none; font-size: 16px; font-weight: 600; cursor: pointer; transition: background 0.3s; }
.btn-blue:hover { background-color: var(--accent-hover); }

/* SUPPORT SECTION */
.support-section { background-color: var(--bg-dark); padding: 100px 20px; }
.contact-container { max-width: 800px; margin: 0 auto; background: white; padding: 60px; border-radius: 4px; box-shadow: 0 20px 40px rgba(0,0,0,0.15); border-top: 4px solid var(--accent-blue); }
.contact-header { text-align: center; margin-bottom: 40px; }
.contact-header h2 { font-size: 36px; font-weight: 300; margin-bottom: 15px; color: #111; }
.contact-header p { color: #555; font-size: 16px; line-height: 1.6; max-width: 600px; margin: 0 auto; }

.premium-contact-form { display: flex; flex-direction: column; gap: 25px; }
.form-row { display: flex; gap: 25px; }
.form-row .input-group { flex: 1; }
.input-group { display: flex; flex-direction: column; gap: 8px; }
.input-group label { font-size: 13px; font-weight: 600; color: #111; text-transform: uppercase; letter-spacing: 1px; }
.input-group input, .input-group textarea { width: 100%; padding: 15px 20px; background-color: #F8F9FA; border: 1px solid #E2E8F0; border-radius: 4px; font-size: 15px; color: #111; transition: all 0.3s ease; outline: none; }
.input-group input:focus, .input-group textarea:focus { background-color: #FFFFFF; border-color: var(--accent-blue); box-shadow: 0 0 0 3px rgba(0, 113, 206, 0.1); }

.btn-submit { align-self: flex-end; background-color: #111; color: white; padding: 15px 40px; border: none; border-radius: 4px; font-size: 16px; font-weight: 600; cursor: pointer; transition: all 0.3s ease; margin-top: 10px; }
.btn-submit:hover { background-color: var(--accent-blue); transform: translateY(-2px); box-shadow: 0 10px 20px rgba(0, 113, 206, 0.2); }

@media (max-width: 600px) {
    .form-row { flex-direction: column; gap: 25px; }
    .btn-submit { width: 100%; }
    .contact-container { padding: 40px 20px; }
}

/* FOOTER */
footer { background-color: #F4F4F4; padding: 90px 10% 20px; border-top: 1px solid #ddd; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 40px; margin-bottom: 60px; }
.footer-col h4 { font-size: 14px; margin-bottom: 20px; color: #111; }
.footer-col a { display: block; color: #555; text-decoration: none; font-size: 13px; margin-bottom: 35px; transition: 0.3s; }
.footer-col a:hover { color: var(--accent-blue); }
.footer-bottom { display: flex; justify-content: space-between; border-top: 1px solid #ddd; padding-top: 20px; font-size: 12px; color: #888; }
.legal-links a { color: #888; text-decoration: none; margin-left: 20px; }