/* ============================================================
   1Click — публичные страницы (лендинг, тарифы, инфо)
   ============================================================ */

.nav {
    position: sticky; top: 0; z-index: 100;
    background: color-mix(in srgb, var(--bg) 85%, transparent);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}
.nav-inner { display:flex; align-items:center; justify-content:space-between; height: 68px; gap: 1rem; }
.nav-links { display:flex; align-items:center; gap: 1.6rem; }
.nav-links a { color: var(--text-soft); font-weight: 500; font-size:.95rem; }
.nav-links a:hover { color: var(--text); }
.nav-actions { display:flex; align-items:center; gap:.7rem; }
.nav-toggle { display:none; background:none; border:none; cursor:pointer; color: var(--text); }

/* Hero */
.hero { position: relative; padding: clamp(3.5rem, 9vw, 7rem) 0 clamp(3rem, 6vw, 5rem); overflow: hidden; }
.hero::before {
    content:''; position:absolute; inset:-40% 0 auto 0; height: 640px; z-index:-1;
    background: radial-gradient(60% 60% at 50% 0%, rgba(99,102,241,.22), transparent 70%),
                radial-gradient(40% 40% at 80% 10%, rgba(6,182,212,.18), transparent 70%);
}
.hero-badge { display:inline-flex; align-items:center; gap:.5rem; padding:.4rem .9rem; border-radius:999px;
    background: var(--brand-50); color: var(--brand-700); font-weight:600; font-size:.85rem; border:1px solid var(--brand-100); margin-bottom: 1.4rem; }
.hero h1 { max-width: 16ch; margin-inline:auto; }
.hero .sub { font-size: clamp(1.05rem, 2vw, 1.3rem); color: var(--text-soft); max-width: 60ch; margin: 1.2rem auto 2rem; }
.hero-cta { display:flex; gap:.8rem; justify-content:center; flex-wrap:wrap; }
.hero-center { text-align:center; }
.gradient-text { background: var(--grad); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color: transparent; }

/* Демо-виджет сокращения */
.demo-card { max-width: 640px; margin: 3rem auto 0; }
.demo-result { margin-top: 1rem; display:none; }
.demo-result.show { display:block; }
.short-url-box { display:flex; align-items:center; justify-content:space-between; gap:1rem; padding: .9rem 1.1rem;
    background: var(--grad-soft); border:1px solid var(--brand-100); border-radius: var(--radius-sm); }

/* Секции */
.section { padding: clamp(3rem, 7vw, 5.5rem) 0; }
.section-head { text-align:center; max-width: 60ch; margin: 0 auto 3rem; }
.section-head .eyebrow { color: var(--brand-600); font-weight:700; text-transform:uppercase; letter-spacing:.08em; font-size:.8rem; }
.section-head p { color: var(--text-soft); font-size: 1.05rem; }

.features-grid { display:grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.2rem; }
.feature { padding: 1.6rem; border-radius: var(--radius); background: var(--surface); border:1px solid var(--border); transition: transform .2s, box-shadow .2s, border-color .2s; }
.feature:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--brand-200); }
.feature .fi { width:46px; height:46px; border-radius: 12px; background: var(--grad-soft); color: var(--brand-600);
    display:flex; align-items:center; justify-content:center; margin-bottom:1rem; font-size:1.4rem; }
.feature h3 { font-size: 1.1rem; margin-bottom:.4rem; }
.feature p { color: var(--text-soft); font-size:.92rem; margin:0; }

/* Тарифы */
.pricing-grid { display:grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.1rem; align-items:stretch; }
.plan { display:flex; flex-direction:column; padding: 1.6rem; border-radius: var(--radius-lg); background: var(--surface); border:1px solid var(--border); position:relative; }
.plan.featured { border-color: var(--brand-400); box-shadow: 0 14px 40px rgba(79,70,229,.18); }
.plan.featured::after { content: attr(data-tag); position:absolute; top:-12px; left:50%; transform:translateX(-50%);
    background: var(--grad); color:#fff; font-size:.72rem; font-weight:700; padding:.3rem .8rem; border-radius:999px; }
.plan h3 { font-size: 1.2rem; margin-bottom:.2rem; }
.plan .price { font-size: 2.1rem; font-weight: 800; margin: .6rem 0 .1rem; }
.plan .price small { font-size: .9rem; font-weight: 500; color: var(--text-mut); }
.plan ul { list-style:none; padding:0; margin: 1.2rem 0; display:flex; flex-direction:column; gap:.6rem; flex:1; }
.plan li { display:flex; gap:.5rem; align-items:flex-start; font-size:.9rem; color: var(--text-soft); }
.plan li::before { content:'✓'; color: var(--success); font-weight:700; }

.cta-band { background: var(--grad); border-radius: var(--radius-lg); padding: clamp(2.2rem,5vw,3.5rem); text-align:center; color:#fff; }
.cta-band h2 { color:#fff; } .cta-band p { color: rgba(255,255,255,.9); }

/* Футер */
.footer { border-top:1px solid var(--border); padding: 3rem 0 2rem; margin-top: 3rem; }
.footer-grid { display:grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 2rem; }
.footer h4 { font-size:.8rem; text-transform:uppercase; letter-spacing:.06em; color: var(--text-mut); margin-bottom:1rem; }
.footer a { display:block; color: var(--text-soft); font-size:.9rem; margin-bottom:.5rem; }
.footer-bottom { display:flex; justify-content:space-between; align-items:center; margin-top:2.5rem; padding-top:1.5rem; border-top:1px solid var(--border); color: var(--text-mut); font-size:.85rem; flex-wrap:wrap; gap:1rem; }

/* Инфо-страницы (legal) */
.prose { max-width: 760px; margin: 0 auto; }
.prose h2 { margin-top: 2rem; }
.prose p, .prose li { color: var(--text-soft); }

.api-showcase { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; align-items: center; }
@media (max-width: 860px) {
    .api-showcase { grid-template-columns: 1fr; gap: 1.5rem; }
}

/* Мобилка */
.mobile-menu { display:none; }
@media (max-width: 860px) {
    .nav-links { display:none; }
    .nav-toggle { display:inline-flex; }
    .mobile-menu.open { display:block; padding: 1rem 0; border-top:1px solid var(--border); }
    .mobile-menu a { display:block; padding:.7rem 0; color: var(--text-soft); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
    .footer-grid { grid-template-columns: 1fr; }
    .hero-cta .btn { width: 100%; }
}