/* multi-saas-kit — Tool Landing Shared Styles
   허브에서 링크되는 각 도구별 랜딩 공통 스타일 */

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, system-ui, sans-serif;
    background: #0a0a0f;
    color: #e5e5ea;
    line-height: 1.6;
    min-height: 100vh;
}

/* ── Top Navigation ────────────────────────────────────────── */
.topnav {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
    background: rgba(10, 10, 15, 0.85);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.topnav-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 16px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
}
.brand-logo {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
}
.nav-links a {
    color: #a1a1aa;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.15s;
}
.nav-links a:hover { color: #fff; }

.btn-start {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: #fff;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    transition: transform 0.15s, box-shadow 0.15s;
}
.btn-start:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 40px -10px rgba(139, 92, 246, 0.5);
}

/* ── Hero Section ──────────────────────────────────────────── */
.hero {
    max-width: 1280px;
    margin: 0 auto;
    padding: 120px 32px 80px;
    text-align: center;
    position: relative;
}
.hero::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.15) 0%, transparent 70%);
    z-index: -1;
    pointer-events: none;
}
.eyebrow {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 2px;
    color: #a78bfa;
    margin-bottom: 24px;
    text-transform: uppercase;
}
.hero h1 {
    font-size: clamp(40px, 6vw, 72px);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}
.hero h1 .accent {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-desc {
    font-size: 18px;
    color: #a1a1aa;
    max-width: 640px;
    margin: 0 auto 40px;
}
.hero-ctas {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: #fff;
    border-radius: 10px;
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    transition: all 0.15s;
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 60px -10px rgba(139, 92, 246, 0.5);
}
.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: rgba(255, 255, 255, 0.06);
    color: #e5e5ea;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    transition: background 0.15s;
}
.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* ── Stats Row ─────────────────────────────────────────────── */
.stats {
    max-width: 1280px;
    margin: 0 auto 80px;
    padding: 0 32px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
    text-align: center;
}
.stat-value {
    font-size: 40px;
    font-weight: 700;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 4px;
}
.stat-label {
    font-size: 13px;
    color: #a1a1aa;
    letter-spacing: 0.5px;
}

/* ── Features Grid ─────────────────────────────────────────── */
.section {
    max-width: 1280px;
    margin: 0 auto;
    padding: 80px 32px;
}
.section-title {
    font-size: 32px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 12px;
}
.section-subtitle {
    text-align: center;
    color: #a1a1aa;
    margin-bottom: 60px;
}
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}
.feature {
    padding: 28px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 16px;
    transition: all 0.2s;
}
.feature:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(139, 92, 246, 0.3);
    transform: translateY(-2px);
}
.feature-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 16px;
}
.feature h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 8px;
    color: #fff;
}
.feature p {
    font-size: 14px;
    color: #a1a1aa;
    line-height: 1.6;
}

/* ── Footer ────────────────────────────────────────────────── */
.footer {
    margin-top: 80px;
    padding: 40px 32px;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    color: #71717a;
    font-size: 13px;
}
.footer a {
    color: #a1a1aa;
    text-decoration: none;
    margin: 0 12px;
    transition: color 0.15s;
}
.footer a:hover { color: #fff; }

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 640px) {
    .nav-links { display: none; }
    .topnav-inner { padding: 12px 20px; }
    .hero { padding: 60px 20px 40px; }
    .section { padding: 40px 20px; }
}