/* Corporate & Premium System Variables */
:root {
    --bg-main: #fcfcfd;
    --bg-dark-hero: #0b0f17;
    --text-primary: #111827;
    --text-muted: #4b5563;
    --text-light: #9ca3af;
    --brand-gold: #f59e0b;
    --brand-blue: #2563eb;
    --border-subtle: #e5e7eb;
    --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
    --transition-smooth: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Helvetica, sans-serif;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

.dot { color: var(--brand-gold); }

/* Navigation Architecture */
.main-header {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-subtle);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-logo {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: var(--text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-icon { color: var(--brand-gold); font-size: 16px; }

.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
}

.menu-link {
    text-decoration: none;
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition-smooth);
}

.menu-link:hover { color: var(--text-primary); }

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn-minimal {
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-muted);
}

.btn-cta-nav {
    text-decoration: none;
    background: var(--text-primary);
    color: white;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition-smooth);
}

.btn-cta-nav:hover { background: #374151; }

/* Premium Dark Hero Section */
.hero-section {
    padding: 160px 24px 80px;
    background: radial-gradient(circle at top right, #1e293b 0%, var(--bg-dark-hero) 60%);
    color: white;
    text-align: center;
}

.hero-wrapper {
    max-width: 820px;
    margin: 0 auto;
}

.announcement-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 13px;
    color: #e5e7eb;
    margin-bottom: 28px;
}

.pill-badge {
    background: var(--brand-gold);
    color: var(--bg-dark-hero);
    font-weight: 700;
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 4px;
}

.hero-section h1 {
    font-size: 52px;
    font-weight: 800;
    letter-spacing: -1.5px;
    line-height: 1.15;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 18px;
    color: #9ca3af;
    margin-bottom: 40px;
    line-height: 1.6;
}

.hero-action-group {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 60px;
}

.btn-primary-pro {
    background: var(--brand-gold);
    color: var(--bg-dark-hero);
    padding: 14px 28px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    transition: var(--transition-smooth);
}

.btn-primary-pro:hover { transform: translateY(-1px); opacity: 0.95; }

.btn-secondary-pro {
    background: transparent;
    color: white;
    border: 1px solid rgba(255,255,255,0.2);
    padding: 14px 28px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: var(--transition-smooth);
}

.btn-secondary-pro:hover { background: rgba(255,255,255,0.05); }

/* Live Dashboard Design Mockup */
.dashboard-mockup {
    background: #1e293b;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    max-width: 700px;
    margin: 40px auto 20px;
    text-align: left;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    overflow: hidden;
}

.dashboard-header {
    background: #0f172a;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.dashboard-dots { display: flex; gap: 6px; }
.dashboard-dots span { width: 10px; height: 10px; border-radius: 50%; background: #ef4444; }
.dashboard-dots span:nth-child(2) { background: #eab308; }
.dashboard-dots span:nth-child(3) { background: #22c55e; }

.dashboard-title {
    color: #94a3b8;
    font-family: monospace;
    font-size: 12px;
    margin-left: 20px;
}

.dashboard-body { padding: 24px; }
.chart-stats { display: flex; gap: 24px; margin-bottom: 30px; }
.stat-box { background: rgba(15, 23, 42, 0.4); border: 1px solid rgba(255,255,255,0.05); padding: 12px 20px; border-radius: 8px; flex: 1; }
.stat-label { display: block; font-size: 11px; color: #94a3b8; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 4px; }
.stat-value { font-size: 20px; font-weight: 700; color: white; }
.stat-value.health { color: #22c55e; }

.chart-container {
    height: 160px;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    padding: 0 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.chart-bar-wrapper { display: flex; flex-direction: column; align-items: center; width: 14%; }
.chart-bar { width: 100%; background: rgba(255, 255, 255, 0.15); border-radius: 4px 4px 0 0; transition: height 0.5s ease; }
.chart-bar.highlight { background: var(--brand-gold); }
.chart-date { font-size: 11px; color: #64748b; margin-top: 8px; font-family: monospace; }

/* Reusable Section Headers */
.section-header { text-align: center; max-width: 650px; margin: 0 auto 60px; }
.section-tag { font-size: 12px; font-weight: 700; letter-spacing: 1px; color: var(--brand-blue); display: block; margin-bottom: 12px; }
.section-header h2 { font-size: 36px; font-weight: 700; letter-spacing: -0.5px; margin-bottom: 16px; }
.section-header p { color: var(--text-muted); font-size: 16px; }

/* Clean Modular Grids */
.features-section, .pricing-section, .contact-section, .privacy-section {
    padding: 80px 24px;
    max-width: 1140px;
    margin: 0 auto;
}

.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 32px; }
.feature-block { background: white; padding: 40px 32px; border-radius: 12px; border: 1px solid var(--border-subtle); box-shadow: var(--card-shadow); }
.feature-icon { font-size: 24px; margin-bottom: 20px; }
.feature-block h3 { font-size: 18px; font-weight: 600; margin-bottom: 12px; }
.feature-block p { color: var(--text-muted); font-size: 14px; line-height: 1.6; }

/* Elite Enterprise Pricing */
.pricing-section { border-top: 1px solid var(--border-subtle); }
.tier-matrix { display: flex; justify-content: center; gap: 32px; flex-wrap: wrap; align-items: stretch; }
.tier-card { background: white; border: 1px solid var(--border-subtle); padding: 48px 36px; border-radius: 14px; width: 360px; box-shadow: var(--card-shadow); display: flex; flex-direction: column; }
.tier-card.premium-tier { border: 2px solid var(--text-primary); position: relative; }
.featured-ribbon { position: absolute; top: -12px; right: 24px; background: var(--text-primary); color: white; font-size: 10px; font-weight: 700; padding: 4px 10px; border-radius: 4px; }
.tier-meta { margin-bottom: 24px; }
.tier-name { font-size: 20px; font-weight: 700; display: block; margin-bottom: 8px; }
.tier-desc { font-size: 13px; color: var(--text-muted); }
.tier-cost { font-size: 48px; font-weight: 800; letter-spacing: -1px; margin-bottom: 32px; color: var(--text-primary); }
.tier-cost .currency { font-size: 24px; font-weight: 500; vertical-align: super; }
.tier-cost .period { font-size: 14px; color: var(--text-muted); font-weight: 400; }
.tier-features { list-style: none; margin-bottom: 40px; flex-grow: 1; }
.tier-features li { font-size: 14px; color: var(--text-muted); margin-bottom: 14px; display: flex; align-items: center; gap: 10px; }
.tier-features li::before { content: "✓"; color: var(--brand-blue); font-weight: bold; }
.btn-tier-action { display: block; text-align: center; text-decoration: none; padding: 14px; border-radius: 6px; font-size: 14px; font-weight: 600; background: transparent; color: var(--text-primary); border: 1px solid var(--border-subtle); transition: var(--transition-smooth); }
.btn-tier-action:hover { background: #f9fafb; }
.active-tier-btn { background: var(--text-primary); color: white; border: 1px solid var(--text-primary); }
.active-tier-btn:hover { background: #374151; }

/* Functional Form Section Styles */
.contact-section { border-top: 1px solid var(--border-subtle); background: #f9fafb; }
.contact-card { background: white; border: 1px solid var(--border-subtle); border-radius: 12px; max-width: 680px; margin: 0 auto; padding: 40px; box-shadow: var(--card-shadow); }
.form-row { display: flex; gap: 20px; margin-bottom: 20px; }
.form-group { flex: 1; display: flex; flex-direction: column; margin-bottom: 20px; }
.form-group label { font-size: 13px; font-weight: 600; color: var(--text-primary); margin-bottom: 8px; }
.form-group input, .form-group textarea { padding: 12px; border: 1px solid var(--border-subtle); border-radius: 6px; font-size: 14px; outline: none; transition: var(--transition-smooth); }
.form-group input:focus, .form-group textarea:focus { border-color: var(--text-primary); box-shadow: 0 0 0 3px rgba(17, 24, 39, 0.05); }