.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 40px;
    border-bottom: 1px solid var(--border);
    position: sticky; top: 0;
    background: rgba(255,255,255,.92);
    backdrop-filter: blur(12px);
    z-index: 10;
}
.nav-btns { display: flex; gap: 10px; align-items: center; }

.hero {
    padding: 80px 40px 72px;
    background: linear-gradient(158deg, var(--surface) 0%, var(--orange-bg) 100%);
    position: relative;
    overflow: hidden;
}
.hero-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--orange-bg);
    border: 1px solid var(--orange-mid);
    border-radius: 20px;
    padding: 5px 14px;
    font-size: 13px;
    font-weight: 600;
    color: var(--orange);
    margin-bottom: 24px;
}
.hero-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--orange); }
.hero h1 { font-size: 50px; font-weight: 800; line-height: 1.1; letter-spacing: -0.04em; margin-bottom: 20px; }
.hero h1 span { color: var(--orange); }
.hero p { font-size: 18px; color: var(--text-3); max-width: 460px; margin-bottom: 36px; line-height: 1.65; }
.hero-btns { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 36px; }

.hero-visual { position: relative; display: flex; justify-content: center; padding: 20px 0; }
.hero-card {
    background: #fff;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    width: 290px;
    overflow: hidden;
    border: 1px solid var(--border);
}
.hero-card-img { height: 160px; overflow: hidden; }
.hero-card-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.hero-card-body { padding: 14px 16px 18px; }
.hero-card-biz { font-size: 11px; color: var(--text-4); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; margin-bottom: 4px; }
.hero-card-title { font-size: 16px; font-weight: 700; margin-bottom: 10px; }
.hero-card-value { display: inline-flex; gap: 6px; background: var(--orange-bg); color: var(--orange); font-size: 12px; font-weight: 700; padding: 4px 12px; border-radius: 20px; margin-bottom: 12px; border: 1px solid var(--orange-mid); }
.hero-badge-row { display: flex; gap: 6px; margin-bottom: 14px; }
.hero-card-btn { height: 38px; background: var(--orange); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 600; font-size: 14px; }
.hero-float {
    position: absolute;
    background: #fff;
    border-radius: 14px;
    padding: 10px 14px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
}
.hero-float-top { top: 4px; right: -8px; display: flex; align-items: center; gap: 8px; }
.hero-float-bottom { bottom: 4px; left: -8px; }
.hero-float-avatar { width: 32px; height: 32px; border-radius: 50%; background: linear-gradient(135deg,#7C3AED,#a855f7); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 14px; }
.hero-float-name { font-size: 12px; font-weight: 700; }
.hero-float-status { font-size: 11px; color: var(--success); font-weight: 600; }
.hero-float-label { font-size: 11px; color: var(--text-4); margin-bottom: 2px; }
.hero-float-num { font-size: 20px; font-weight: 800; letter-spacing: -0.02em; }

.sections {
    max-width: 1100px;
    margin: 0 auto;
    padding: 72px 40px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.section-card { border-radius: 20px; padding: 36px; }
.section-card.advertiser { background: var(--orange-bg); border: 1px solid var(--orange-mid); }
.section-card.blogger { background: var(--surface); border: 1px solid var(--border); }
.section-icon { width: 52px; height: 52px; border-radius: 16px; display: flex; align-items: center; justify-content: center; margin-bottom: 20px; font-size: 26px; }
.section-card.advertiser .section-icon { background: var(--orange); }
.section-card.blogger .section-icon { background: var(--surface-2); }
.section-card h2 { font-size: 22px; font-weight: 700; margin-bottom: 16px; }
.section-list { list-style: none; display: flex; flex-direction: column; gap: 10px; margin-bottom: 28px; }
.section-list li { display: flex; gap: 10px; font-size: 15px; color: var(--text-2); line-height: 1.45; }
.section-list li::before { content: '✓'; color: var(--orange); font-weight: 700; flex-shrink: 0; margin-top: 1px; }

.how {
    background: var(--surface-2);
    padding: 72px 40px;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.how-inner { max-width: 1100px; margin: 0 auto; }
.section-label { font-size: 13px; font-weight: 700; color: var(--orange); text-transform: uppercase; letter-spacing: .08em; text-align: center; margin-bottom: 10px; }
.section-title { font-size: 32px; font-weight: 800; letter-spacing: -0.03em; text-align: center; margin-bottom: 48px; }
.features-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.feature { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 28px; box-shadow: var(--shadow-sm); }
.feature-num { width: 40px; height: 40px; background: var(--orange); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 800; font-size: 15px; margin-bottom: 16px; }
.feature h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.feature p { font-size: 14px; color: var(--text-3); line-height: 1.65; }

.cta { padding: 72px 40px; text-align: center; }
.cta h2 { font-size: 32px; font-weight: 800; letter-spacing: -0.03em; margin-bottom: 14px; }
.cta p { color: var(--text-3); margin-bottom: 32px; font-size: 17px; }

footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    padding: 28px 40px;
    border-top: 1px solid var(--border);
    font-size: 13px;
    color: var(--text-4);
}
.footer-links { display: flex; gap: 20px; }
.footer-links a { font-size: 13px; color: var(--text-3); text-decoration: none; }
.footer-links a:hover { color: var(--orange); }

@media (max-width: 900px) {
    .hero-inner { grid-template-columns: 1fr; }
    .hero-visual { display: none; }
    .sections { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
    .nav { padding: 14px 16px; backdrop-filter: none; background: var(--surface); }
    .hero-blob { display: none; }
    .hero { padding: 60px 20px 52px; }
    .hero h1 { font-size: 32px; }
    .sections { padding: 48px 20px; }
    .how { padding: 48px 20px; }
    .features-grid { grid-template-columns: 1fr; }
    .cta { padding: 48px 20px; }
    footer { padding: 24px 20px; flex-direction: column; text-align: center; }
}