/* === sAImon UserTesting – Professional SaaS Aesthetic === */
:root {
    --color-bg: #f8fafc;
    --color-bg-alt: #ffffff;
    --color-bg-dark: #0f172a;
    --color-bg-card: #ffffff;
    --color-text: #0f172a;
    --color-text-light: #64748b;
    --color-primary: #2563eb;
    --color-primary-light: #3b82f6;
    --color-primary-bg: #eff6ff;
    --color-border: #e2e8f0;
    --color-green: #22c55e;
    --color-yellow: #eab308;
    --font-body: 'IBM Plex Sans', -apple-system, sans-serif;
    --max-width: 1200px;
    --radius: 12px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* === Nav === */
.nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background: rgba(248, 250, 252, 0.92);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
}
.nav-inner {
    max-width: var(--max-width); margin: 0 auto; padding: 0 24px;
    display: flex; align-items: center; justify-content: space-between; height: 64px;
}
.nav-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo-icon { font-size: 22px; }
.logo-text { font-size: 18px; font-weight: 600; color: var(--color-text); }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { text-decoration: none; color: var(--color-text-light); font-weight: 500; font-size: 14px; transition: color 0.2s; }
.nav-links a:hover { color: var(--color-primary); }
.nav-btn {
    background: var(--color-primary); color: #fff !important; padding: 7px 18px;
    border-radius: 8px; font-weight: 600; font-size: 14px;
}
.nav-btn:hover { background: #1d4ed8; }
.nav-mobile-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-mobile-toggle span { display: block; width: 22px; height: 2px; background: var(--color-text); margin: 4px 0; }

/* === Hero === */
.hero {
    display: grid; grid-template-columns: 1fr 1.2fr; align-items: center; gap: 48px;
    max-width: var(--max-width); margin: 0 auto; padding: 130px 24px 80px;
}
.hero-badge {
    display: inline-block; font-size: 12px; font-weight: 600; text-transform: uppercase;
    letter-spacing: 1.5px; color: var(--color-primary); background: var(--color-primary-bg);
    padding: 5px 14px; border-radius: 6px; margin-bottom: 16px;
}
.hero h1 { font-size: clamp(36px, 4vw, 48px); font-weight: 700; line-height: 1.2; margin-bottom: 16px; }
.hero-sub { font-size: 17px; color: var(--color-text-light); margin-bottom: 28px; line-height: 1.7; max-width: 460px; }
.hero-actions { display: flex; gap: 12px; }

.btn {
    display: inline-block; padding: 11px 24px; border-radius: 8px;
    font-family: var(--font-body); font-size: 14px; font-weight: 600;
    text-decoration: none; transition: all 0.2s; cursor: pointer; border: none;
}
.btn-primary { background: var(--color-primary); color: #fff; box-shadow: 0 2px 8px rgba(37, 99, 235, 0.2); }
.btn-primary:hover { background: #1d4ed8; transform: translateY(-1px); }
.btn-outline { background: var(--color-bg-alt); color: var(--color-text); border: 1.5px solid var(--color-border); }
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); }

/* Mockup */
.mockup {
    background: var(--color-bg-alt); border: 1px solid var(--color-border);
    border-radius: 12px; overflow: hidden; box-shadow: 0 16px 48px rgba(0,0,0,0.08);
}
.mockup-header {
    display: flex; align-items: center; gap: 12px; padding: 10px 16px;
    background: #f1f5f9; border-bottom: 1px solid var(--color-border);
}
.mockup-dots { display: flex; gap: 6px; }
.mockup-dots span { width: 10px; height: 10px; border-radius: 50%; background: #cbd5e1; }
.mockup-url { font-size: 12px; color: var(--color-text-light); background: var(--color-bg-alt); padding: 3px 12px; border-radius: 4px; border: 1px solid var(--color-border); }
.mockup-content { display: grid; grid-template-columns: 140px 1fr; min-height: 280px; }
.mock-sidebar { padding: 12px 0; background: #f8fafc; border-right: 1px solid var(--color-border); }
.mock-nav-item { padding: 8px 16px; font-size: 12px; font-weight: 500; color: var(--color-text-light); cursor: default; }
.mock-nav-item.active { color: var(--color-primary); background: var(--color-primary-bg); border-right: 2px solid var(--color-primary); font-weight: 600; }
.mock-main { padding: 16px; }
.mock-stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 16px; }
.mock-stat { text-align: center; padding: 10px 8px; background: var(--color-bg); border-radius: 8px; border: 1px solid var(--color-border); }
.ms-num { display: block; font-size: 20px; font-weight: 700; color: var(--color-primary); }
.ms-label { font-size: 10px; color: var(--color-text-light); text-transform: uppercase; letter-spacing: 0.5px; }
.mock-table { font-size: 12px; }
.mock-row { display: grid; grid-template-columns: 1fr 80px 80px; padding: 8px 0; border-bottom: 1px solid #f1f5f9; align-items: center; }
.mock-row.header { font-weight: 600; color: var(--color-text-light); text-transform: uppercase; letter-spacing: 0.5px; font-size: 10px; }
.status-badge { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 11px; font-weight: 500; }
.status-badge.green { background: #dcfce7; color: #15803d; }
.status-badge.yellow { background: #fef9c3; color: #a16207; }

/* === Sections Common === */
.section-header { text-align: center; margin-bottom: 56px; }
.section-tag {
    display: inline-block; font-size: 12px; font-weight: 600; text-transform: uppercase;
    letter-spacing: 1.5px; color: var(--color-primary); background: var(--color-primary-bg);
    padding: 5px 14px; border-radius: 6px; margin-bottom: 14px;
}
.section-header h2 { font-size: clamp(28px, 3.5vw, 40px); font-weight: 700; margin-bottom: 12px; }
.section-header p { font-size: 17px; color: var(--color-text-light); max-width: 500px; margin: 0 auto; }

/* === Features === */
.features { padding: 100px 0; background: var(--color-bg-alt); }
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature-card {
    padding: 28px 24px; border-radius: var(--radius); border: 1px solid var(--color-border);
    background: var(--color-bg); transition: all 0.2s;
}
.feature-card:hover { border-color: #bfdbfe; box-shadow: 0 4px 16px rgba(37, 99, 235, 0.06); }
.feature-icon { font-size: 28px; margin-bottom: 14px; }
.feature-card h3 { font-size: 17px; font-weight: 600; margin-bottom: 8px; }
.feature-card p { color: var(--color-text-light); font-size: 14px; line-height: 1.6; }

/* === Two Column === */
.two-column { padding: 100px 0; background: var(--color-bg); }
.columns { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; }
.column h2 { font-size: 28px; font-weight: 700; margin: 12px 0 12px; }
.column p { color: var(--color-text-light); margin-bottom: 20px; line-height: 1.7; font-size: 15px; }
.check-list { list-style: none; }
.check-list li { padding: 6px 0; font-size: 14px; color: var(--color-text-light); padding-left: 24px; position: relative; }
.check-list li::before { content: '✓'; position: absolute; left: 0; color: var(--color-primary); font-weight: 700; }

/* === How It Works === */
.how-it-works { padding: 100px 0; background: var(--color-bg-alt); }
.steps { display: flex; align-items: flex-start; justify-content: center; max-width: 1000px; margin: 0 auto; }
.step { flex: 1; text-align: center; padding: 0 12px; }
.step-num { font-size: 32px; font-weight: 700; color: var(--color-primary); opacity: 0.3; margin-bottom: 12px; }
.step h3 { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
.step p { font-size: 13px; color: var(--color-text-light); line-height: 1.5; }
.step-arrow { color: var(--color-border); font-size: 24px; margin-top: 20px; flex-shrink: 0; }

/* === Pricing === */
.pricing { padding: 100px 0; background: var(--color-bg); }
.pricing-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; max-width: 900px; margin: 0 auto; }
.pricing-card {
    position: relative; background: var(--color-bg-alt); border: 1px solid var(--color-border);
    border-radius: var(--radius); padding: 36px 24px; text-align: center;
}
.pricing-card.featured { border-color: var(--color-primary); box-shadow: 0 4px 24px rgba(37, 99, 235, 0.1); transform: scale(1.04); }
.pricing-badge {
    position: absolute; top: -11px; left: 50%; transform: translateX(-50%);
    background: var(--color-primary); color: #fff; font-size: 11px; font-weight: 600;
    padding: 3px 14px; border-radius: 6px;
}
.pricing-card h3 { font-size: 20px; font-weight: 600; margin-bottom: 6px; }
.price { font-size: 44px; font-weight: 700; color: var(--color-primary); margin-bottom: 20px; }
.price span { font-size: 15px; font-weight: 400; color: var(--color-text-light); }
.pricing-card ul { list-style: none; margin-bottom: 28px; }
.pricing-card li { padding: 6px 0; font-size: 14px; color: var(--color-text-light); border-bottom: 1px solid #f8fafc; }
.pricing-card .btn { width: 100%; text-align: center; }

/* === Footer === */
.footer { background: var(--color-bg-dark); color: #e2e8f0; padding: 72px 0 36px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 40px; }
.footer-brand .logo-text { font-size: 18px; display: block; margin-bottom: 10px; color: #e2e8f0; font-weight: 600; }
.footer-brand p { color: #64748b; font-size: 13px; }
.footer-links h4 { font-size: 12px; font-weight: 600; margin-bottom: 14px; text-transform: uppercase; letter-spacing: 1px; color: #94a3b8; }
.footer-links a { display: block; color: #64748b; text-decoration: none; font-size: 13px; margin-bottom: 7px; transition: color 0.2s; }
.footer-links a:hover { color: #e2e8f0; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding-top: 20px; text-align: center; font-size: 13px; color: #475569; }

/* === Responsive === */
@media (max-width: 768px) {
    .nav-links { display: none; position: absolute; top: 64px; left: 0; right: 0; background: var(--color-bg); flex-direction: column; padding: 20px; gap: 14px; border-bottom: 1px solid var(--color-border); }
    .nav-links.open { display: flex; }
    .nav-mobile-toggle { display: block; }
    .hero { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: 1fr; }
    .columns { grid-template-columns: 1fr; gap: 40px; }
    .steps { flex-direction: column; gap: 20px; }
    .step-arrow { transform: rotate(90deg); margin: 0 auto; }
    .pricing-cards { grid-template-columns: 1fr; max-width: 360px; }
    .pricing-card.featured { transform: none; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .mockup-content { grid-template-columns: 1fr; }
    .mock-sidebar { display: none; }
}
@media (max-width: 480px) {
    .footer-grid { grid-template-columns: 1fr; }
    .hero-actions { flex-direction: column; }
    .mock-stat-row { grid-template-columns: repeat(2, 1fr); }
}