/* Clean Minimalist Frontend CSS - Linear Minimal Pro */
:root {
    --bg-main: #0c0d0e;
    --bg-surface: #141618;
    --bg-elevated: #1b1e22;
    --border-color: rgba(255, 255, 255, 0.09);
    --accent: #5e6ad2;
    --text-primary: #f7f8f8;
    --text-secondary: #8a8f98;
    --text-muted: #5b6068;
    --btn-bg: #f7f8f8;
    --btn-text: #0c0d0e;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body {
    font-family: var(--font-main);
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: 0.15s ease; }
.mn-container { max-width: 1160px; margin: 0 auto; padding: 0 20px; }
.text-center { text-align: center; }

.mn-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(12, 13, 14, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 14px 0;
}
.mn-nav-container {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.mn-brand-link { font-size: 20px; font-weight: 700; color: #ffffff; }
.mn-nav-links { display: flex; gap: 28px; }
.mn-link { font-size: 14px; font-weight: 500; color: var(--text-secondary); }
.mn-link:hover, .mn-link.active { color: var(--text-primary); }
.mn-actions { display: flex; align-items: center; gap: 10px; }
.mn-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    border: none;
    transition: 0.15s ease;
}
.mn-btn-primary { background: var(--btn-bg); color: var(--btn-text) !important; }
.mn-btn-primary:hover { opacity: 0.9; }
.mn-btn-ghost { background: transparent; color: var(--text-secondary) !important; border: 1px solid var(--border-color); }
.mn-btn-ghost:hover { color: var(--text-primary) !important; }
.mn-btn-block { width: 100%; }
.mn-hamburger { display: none; background: transparent; border: 1px solid var(--border-color); color: var(--text-primary); padding: 8px 12px; border-radius: 6px; }

.mn-hero { padding: 90px 0 60px; }
.mn-badge { display: inline-flex; align-items: center; gap: 8px; padding: 4px 12px; background: var(--bg-surface); border: 1px solid var(--border-color); border-radius: 9999px; font-size: 13px; font-weight: 500; color: var(--text-secondary); margin-bottom: 24px; }
.mn-badge-dot { width: 6px; height: 6px; background: #10b981; border-radius: 50%; }
.mn-hero-title { font-size: 48px; font-weight: 800; letter-spacing: -0.03em; line-height: 1.15; color: #ffffff; max-width: 820px; margin: 0 auto 16px; }
.mn-hero-subtitle { font-size: 17px; color: var(--text-secondary); max-width: 640px; margin: 0 auto 36px; }

.mn-shortener-container { max-width: 720px; margin: 0 auto 30px; }
.mn-input-box { display: flex; align-items: center; background: var(--bg-surface); border: 1px solid var(--border-color); border-radius: 8px; padding: 6px 6px 6px 14px; gap: 10px; }
.mn-url-input { flex: 1; background: transparent; border: none; outline: none; color: #ffffff; font-size: 15px; font-family: inherit; }
.mn-btn-submit { background: var(--btn-bg); color: var(--btn-text); border: none; padding: 10px 20px; font-size: 14px; font-weight: 600; border-radius: 6px; cursor: pointer; }
.mn-proof-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; font-size: 13px; color: var(--text-muted); }
.mn-proof-tag i { color: #10b981; margin-right: 4px; }

.mn-metrics-section { padding: 30px 0; border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); background: var(--bg-surface); }
.mn-metrics-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.mn-metric-card { text-align: center; }
.mn-metric-num { display: block; font-size: 28px; font-weight: 800; color: #ffffff; }
.mn-metric-label { font-size: 13px; color: var(--text-secondary); }

.mn-section { padding: 80px 0; }
.mn-section-header { margin-bottom: 40px; }
.mn-section-title { font-size: 32px; font-weight: 800; color: #ffffff; margin-bottom: 10px; }
.mn-section-subtitle { font-size: 16px; color: var(--text-secondary); max-width: 580px; margin: 0 auto; }

.mn-steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.mn-step-card { background: var(--bg-surface); border: 1px solid var(--border-color); border-radius: 8px; padding: 28px; }
.mn-step-number { font-size: 14px; font-weight: 700; color: var(--text-muted); font-family: monospace; display: block; margin-bottom: 14px; }
.mn-step-title { font-size: 18px; font-weight: 700; margin-bottom: 8px; color: #ffffff; }
.mn-step-desc { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }

.mn-calc-box { background: var(--bg-surface); border: 1px solid var(--border-color); border-radius: 12px; padding: 40px; max-width: 860px; margin: 0 auto; }
.mn-calc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: center; }
.mn-form-group { margin-bottom: 20px; }
.mn-label-flex { display: flex; justify-content: space-between; margin-bottom: 8px; font-size: 14px; font-weight: 600; }
.mn-val-pill { color: var(--accent); font-weight: 700; }
.mn-slider { width: 100%; height: 6px; background: var(--bg-elevated); border-radius: 3px; outline: none; -webkit-appearance: none; }
.mn-slider::-webkit-slider-thumb { -webkit-appearance: none; width: 18px; height: 18px; border-radius: 50%; background: #ffffff; cursor: pointer; }
.mn-select { width: 100%; background: var(--bg-main); border: 1px solid var(--border-color); color: #ffffff; padding: 10px; border-radius: 6px; font-size: 14px; }
.mn-calc-output { background: var(--bg-main); border: 1px solid var(--border-color); border-radius: 8px; padding: 24px; }
.mn-out-row { display: flex; justify-content: space-between; margin-bottom: 12px; font-size: 14px; color: var(--text-secondary); }
.mn-out-val { font-weight: 700; color: #ffffff; }
.mn-out-val.large { font-size: 26px; color: #10b981; }

.mn-features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.mn-feature-card { background: var(--bg-surface); border: 1px solid var(--border-color); border-radius: 8px; padding: 24px; }
.mn-feat-icon { font-size: 20px; color: var(--accent); margin-bottom: 14px; }
.mn-feat-title { font-size: 16px; font-weight: 700; margin-bottom: 6px; color: #ffffff; }
.mn-feat-desc { font-size: 13px; color: var(--text-secondary); line-height: 1.5; }

.mn-footer { border-top: 1px solid var(--border-color); background: var(--bg-surface); padding: 60px 0 30px; }
.mn-footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 30px; margin-bottom: 40px; }
.mn-footer-logo a { font-size: 18px; font-weight: 700; color: #ffffff; }
.mn-footer-about { font-size: 13px; color: var(--text-muted); margin: 12px 0 16px; max-width: 300px; }
.mn-socials { display: flex; gap: 12px; }
.mn-social-link { color: var(--text-muted); font-size: 16px; }
.mn-social-link:hover { color: #ffffff; }
.mn-footer-title { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: #ffffff; margin-bottom: 14px; }
.mn-footer-menu { list-style: none; }
.mn-footer-menu li { margin-bottom: 8px; }
.mn-footer-menu a { font-size: 13px; color: var(--text-secondary); }
.mn-footer-menu a:hover { color: #ffffff; }
.mn-footer-bottom { display: flex; justify-content: space-between; font-size: 13px; color: var(--text-muted); padding-top: 20px; border-top: 1px solid var(--border-color); }

.mn-mobile-drawer { position: fixed; inset: 0; z-index: 1000; visibility: hidden; opacity: 0; transition: 0.2s ease; }
.mn-mobile-drawer.active { visibility: visible; opacity: 1; }
.mn-drawer-backdrop { position: absolute; inset: 0; background: rgba(0, 0, 0, 0.7); }
.mn-drawer-panel { position: absolute; top: 0; right: 0; bottom: 0; width: 280px; background: var(--bg-surface); border-left: 1px solid var(--border-color); padding: 24px; display: flex; flex-direction: column; transform: translateX(100%); transition: transform 0.25s ease; }
.mn-mobile-drawer.active .mn-drawer-panel { transform: translateX(0); }
.mn-drawer-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; padding-bottom: 12px; border-bottom: 1px solid var(--border-color); }
.mn-drawer-title { font-size: 16px; font-weight: 700; }
.mn-drawer-close { background: transparent; border: none; font-size: 24px; color: var(--text-secondary); cursor: pointer; }
.mn-drawer-links { display: flex; flex-direction: column; gap: 16px; flex: 1; }
.mn-drawer-link { font-size: 15px; font-weight: 600; color: var(--text-secondary); display: flex; align-items: center; gap: 10px; }

@media (max-width: 900px) {
    .mn-nav-links { display: none; }
    .mn-hamburger { display: inline-flex; }
    .mn-metrics-grid { grid-template-columns: repeat(2, 1fr); }
    .mn-steps-grid, .mn-features-grid { grid-template-columns: 1fr; }
    .mn-calc-grid { grid-template-columns: 1fr; }
    .mn-footer-grid { grid-template-columns: 1fr 1fr; }
    .mn-hero-title { font-size: 34px; }
}
@media (max-width: 560px) {
    .mn-metrics-grid { grid-template-columns: 1fr; }
    .mn-footer-grid { grid-template-columns: 1fr; }
    .mn-input-box { flex-direction: column; padding: 10px; gap: 8px; }
    .mn-btn-submit { width: 100%; }
}