:root {
    --primary: #1a3a5f;
    --primary-light: #2d5a88;
    --primary-dark: #0f243a;
    --primary-soft: rgba(26, 58, 95, 0.08);
    --secondary: #c5a059;
    --accent: #d4af37;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --bg-main: #ffffff;
    --bg-soft: #f8fafc;
    --glass: rgba(255, 255, 255, 0.8);
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-main);
    background: var(--bg-main);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, .logo {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* --- Navigation --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 90px;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

.logo {
    font-size: 1.75rem;
    text-decoration: none;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.slogan-nav {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.9rem;
}

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

.nav-login {
    background: var(--primary-soft);
    color: var(--primary) !important;
    padding: 0.6rem 1.2rem;
    border-radius: 99px;
}

/* --- Hero Section --- */
.hero {
    padding: 180px 0 100px;
    background: radial-gradient(circle at 80% 20%, rgba(124, 58, 237, 0.05) 0%, transparent 40%);
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--primary-soft);
    color: var(--primary);
    border-radius: 99px;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.hero-text h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-text h1 span {
    color: var(--primary);
}

.hero-text p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.hero-btns {
    display: flex;
    gap: 1rem;
}

.btn-primary {
    background: var(--primary);
    color: white;
    padding: 1rem 2rem;
    border-radius: 1rem;
    text-decoration: none;
    font-weight: 700;
    display: inline-block;
}

.btn-secondary {
    background: white;
    color: var(--text-main);
    padding: 1rem 2rem;
    border-radius: 1rem;
    text-decoration: none;
    font-weight: 700;
    border: 1px solid var(--border);
}

/* --- Glass Card --- */
.glass-card {
    background: white;
    padding: 2rem;
    border-radius: 2rem;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border);
}

.card-header {
    display: flex;
    gap: 6px;
    margin-bottom: 1.5rem;
}

.dot { width: 10px; height: 10px; border-radius: 50%; }
.red { background: #ff5f56; }
.yellow { background: #ffbd2e; }
.green { background: #27c93f; }

.chat-demo {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.msg {
    padding: 1rem;
    border-radius: 1rem;
    font-size: 0.9rem;
    max-width: 85%;
}

.msg.bot {
    background: var(--primary);
    color: white;
    border-bottom-left-radius: 0;
}

.msg.user {
    background: #f1f5f9;
    align-self: flex-end;
    border-bottom-right-radius: 0;
}

/* --- Ad Box --- */
.ad-box {
    max-width: 1280px;
    margin: 40px auto;
    padding: 0 2rem;
    text-align: center;
}

/* --- Features --- */
.features {
    padding: 100px 0;
    background: #f8fafc;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 { font-size: 2.5rem; margin-bottom: 1rem; }
.section-title p { color: var(--text-muted); font-size: 1.1rem; }

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

.feature-card {
    background: white;
    padding: 3rem;
    border-radius: 2rem;
    border: 1px solid var(--border);
    transition: 0.3s;
}

.feature-card:hover { transform: translateY(-10px); border-color: var(--primary); }
.feature-card .icon { font-size: 3rem; margin-bottom: 1.5rem; }
.feature-card h3 { font-size: 1.5rem; margin-bottom: 1rem; }
.feature-card p { color: var(--text-muted); }

/* --- Copy Section --- */
.copy-section {
    padding: 100px 0;
    background: white;
}

.copy-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 2rem;
}

.copy-header { text-align: center; margin-bottom: 50px; }
.copy-header h2 { font-size: 2.5rem; line-height: 1.2; }
.copy-header h2 span { color: var(--primary); }

.copy-body p { font-size: 1.15rem; color: #475569; margin-bottom: 25px; line-height: 1.8; }

.highlight-text {
    font-size: 1.4rem;
    color: var(--text-main);
    border-left: 5px solid var(--primary);
    padding-left: 25px;
    margin: 40px 0;
    font-weight: 600;
}

.pillars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 60px 0;
}

.pillar-item {
    background: #f8fafc;
    padding: 2.5rem;
    border-radius: 1.5rem;
    border: 1px solid var(--border);
}

.pillar-icon { font-size: 2rem; margin-bottom: 1rem; }
.pillar-item h4 { font-size: 1.15rem; margin-bottom: 10px; }
.pillar-item p { font-size: 0.95rem; color: var(--text-muted); }

.truth-box {
    background: var(--primary);
    color: white;
    padding: 4rem 3rem;
    border-radius: 2rem;
    text-align: center;
    margin: 60px 0;
}

.truth-box h3 { font-size: 2rem; color: var(--secondary); margin-bottom: 1.5rem; }
.truth-box p { font-size: 1.25rem; opacity: 0.9; margin-bottom: 2rem; }

.truth-list { list-style: none; display: flex; flex-direction: column; gap: 1rem; font-weight: 600; }

.final-cta {
    margin-top: 60px;
    text-align: center;
    background: #f0fdf4;
    padding: 4rem 2rem;
    border-radius: 2rem;
    border: 2px dashed #22c55e;
}

.final-cta p { font-size: 1.3rem; color: #166534; margin-bottom: 2rem; }

/* --- CTA Section --- */
.cta {
    padding: 100px 20px;
    background: var(--primary);
    color: white;
    text-align: center;
}

.cta h2 { font-size: 2.5rem; margin-bottom: 1.5rem; }
.cta p { font-size: 1.2rem; opacity: 0.9; margin-bottom: 2.5rem; }

/* --- Footer --- */
.footer {
    padding: 60px 20px;
    background: #f8fafc;
    border-top: 1px solid var(--border);
}

.footer-container {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.legal { display: flex; gap: 2rem; }
.legal a { text-decoration: none; color: var(--text-muted); font-size: 0.9rem; }

/* --- Responsive --- */
@media (max-width: 1024px) {
    .hero-container { grid-template-columns: 1fr; text-align: center; }
    .hero-btns { justify-content: center; }
    .hero-text h1 { font-size: 3rem; }
}

@media (max-width: 768px) {
    .navbar { height: auto; padding: 1.5rem 0; position: static; }
    .nav-container { flex-direction: column; gap: 1rem; }
    .nav-links, .slogan-nav { display: none; }
    .hero { padding: 60px 0; }
    .feature-grid { grid-template-columns: 1fr; }
}