/* AssiSeek — общие стили лендинга и шапки */

body {
    font-family: 'Inter', sans-serif;
    background: #0a0a0f;
    min-height: 100vh;
    overflow-x: hidden;
    color: #fff;
}

/* ── Фон ── */
.gradient-bg {
    position: fixed;
    inset: 0;
    z-index: -2;
    background: #0a0a0f;
    overflow: hidden;
}

.gradient-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 15% 20%, rgba(99, 102, 241, 0.18), transparent 55%),
        radial-gradient(ellipse 60% 50% at 85% 75%, rgba(139, 92, 246, 0.12), transparent 50%),
        radial-gradient(ellipse at 50% 50%, #12121f 0%, #0a0a0f 70%);
}

.gradient-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black, transparent);
    opacity: 0.35;
}

/* ── Узкая плавающая шапка ── */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 10px 14px 0;
    background: transparent;
}

@media (min-width: 768px) {
    .site-header {
        padding: 14px 20px 0;
    }
}

.navbar-glass {
    max-width: 1060px;
    margin: 0 auto;
    padding: 0.55rem 1rem;
    background: rgba(12, 14, 24, 0.82);
    backdrop-filter: blur(20px) saturate(1.2);
    -webkit-backdrop-filter: blur(20px) saturate(1.2);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 18px;
    box-shadow:
        0 4px 20px rgba(0, 0, 0, 0.28),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

@media (min-width: 768px) {
    .navbar-glass {
        padding: 0.5rem 1.25rem;
        border-radius: 20px;
    }
}

.navbar-glass .navbar {
    padding: 0;
    background: transparent !important;
    backdrop-filter: none !important;
    border: none !important;
    box-shadow: none !important;
}

.navbar-glass .navbar-brand img {
    width: 118px;
    height: auto;
    transition: opacity 0.2s;
}

@media (min-width: 768px) {
    .navbar-glass .navbar-brand img {
        width: 148px;
    }
}

.navbar-glass .navbar-brand:hover img {
    opacity: 0.9;
}

.navbar-glass .navbar-toggler {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 10px;
    padding: 0.4rem 0.6rem;
}

.navbar-glass .navbar-toggler-icon {
    width: 1.15em;
    height: 1.15em;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='rgba(255, 255, 255, 0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
}

.navbar-glass .nav-link {
    color: rgba(255, 255, 255, 0.68);
    font-size: 0.88rem;
    font-weight: 500;
    padding: 0.4rem 0.65rem !important;
    border-radius: 10px;
    transition: color 0.2s, background 0.2s;
}

.navbar-glass .nav-link:hover {
    color: #c7d2fe;
    background: rgba(99, 102, 241, 0.1);
}

.navbar-glass .navbar-collapse {
    margin-top: 0.5rem;
}

@media (min-width: 992px) {
    .navbar-glass .navbar-collapse {
        margin-top: 0;
    }
}

/* ── Кнопки ── */
.btn-outline-glass {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.14);
    color: rgba(255, 255, 255, 0.92);
    padding: 0.55rem 1.15rem;
    border-radius: 100px;
    transition: all 0.25s;
    display: inline-block;
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 500;
}

.btn-outline-glass:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.22);
    color: #fff;
    transform: translateY(-1px);
}

.btn-primary-gradient {
    background: linear-gradient(135deg, #6366f1 0%, #7c3aed 100%);
    border: none;
    color: white;
    padding: 0.55rem 1.2rem;
    border-radius: 100px;
    transition: all 0.25s;
    font-weight: 600;
    font-size: 0.88rem;
    box-shadow: 0 4px 18px rgba(99, 102, 241, 0.32);
    display: inline-block;
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary-gradient:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(99, 102, 241, 0.42);
    color: #fff;
}

/* ── Hero (главная) ── */
.hero-glow {
    position: absolute;
    width: 280px;
    height: 280px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.35), transparent 70%);
    filter: blur(40px);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 0;
}

.hero-image {
    position: relative;
}

.hero-image img {
    position: relative;
    z-index: 1;
}

.section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: #a5b4fc;
    margin-bottom: 0.75rem;
}

.section-eyebrow::before {
    content: '';
    width: 20px;
    height: 2px;
    background: linear-gradient(90deg, #6366f1, transparent);
    border-radius: 2px;
}

.feature-card {
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.35), transparent 50%, rgba(139, 92, 246, 0.2));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}

.feature-card:hover::before {
    opacity: 1;
}

.hero-stat {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 14px;
    padding: 0.55rem 0.85rem;
}