/* Dark Liquid Glass — promo_v9 */
.navbar-custom { display: none !important; }

:root {
    --glass-bg: rgba(255,255,255,0.04);
    --glass-border: rgba(255,255,255,0.08);
    --glass-hover: rgba(255,255,255,0.08);
    --glass-blur: 20px;
    --accent: #00d4ff;
    --accent-soft: rgba(0,212,255,0.15);
    --accent-glow: rgba(0,212,255,0.3);
    --dark: #0a0e17;
    --dark-2: #111827;
    --text: #e8ecf4;
    --text-dim: rgba(232,236,244,0.5);
    --text-dimmer: rgba(232,236,244,0.3);
}

body { background: var(--dark); }

/* Glass mixin */
.glass {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-radius: 20px;
}

/* ── Hero ── */
.hero-v4 {
    position: relative;
    background: var(--dark);
    overflow: hidden;
    padding: 80px 0 100px;
    text-align: center;
    color: var(--text);
    background-image: url('/static/img/hero-bg.jpg');
    background-size: cover;
    background-position: center -190px;
}
.hero-v4::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(10,14,23,0.4);
}
.hero-v4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-glow), transparent);
}
.hero-v4 .container { position: relative; z-index: 1; }
.hero-v4 .logo-wrap img {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.4), 0 0 40px rgba(0,212,255,0.1);
    margin-bottom: 1.2rem;
    border: 1px solid var(--glass-border);
}
.hero-tags-v5 {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}
.htag {
    background: var(--accent-soft);
    border: 1px solid rgba(0,212,255,0.15);
    border-radius: 50px;
    padding: 0.4rem 1.2rem;
    font-size: 0.82rem;
    color: var(--accent);
    font-weight: 500;
}
.hero-v4 h1 {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
    color: #fff;
}
.hero-v4 .subtitle {
    font-size: 1.15rem;
    color: var(--text-dim);
    max-width: 480px;
    margin: 0 auto 2.5rem;
    line-height: 1.6;
}
.btn-razgon {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background: linear-gradient(135deg, #E8453C, #F4845F);
    color: #fff;
    font-weight: 600;
    font-size: 1.05rem;
    padding: 0.85rem 2.2rem;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    box-shadow: 0 4px 24px rgba(232,69,60,0.3);
}
.btn-razgon:hover {
    color: #fff;
    transform: translateY(-2px);
    background: linear-gradient(135deg, #D63A32, #E87150);
    box-shadow: 0 8px 32px rgba(232,69,60,0.45);
}
.hero-steps-v4 {
    list-style: none;
    padding: 0;
    margin: 0 auto 2rem;
    max-width: 460px;
    text-align: left;
}
.hero-steps-v4 li {
    padding: 0.45rem 0 0.45rem 1.5rem;
    position: relative;
    color: var(--text-dim);
    font-size: 0.95rem;
    line-height: 1.5;
}
.hero-steps-v4 li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 600;
}

/* ── Plan section ── */
.plan-v4 {
    padding: 80px 0;
    background: var(--dark-2);
    color: #fff;
    position: relative;
}
.plan-v4::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 40% 50% at 80% 50%, rgba(0,212,255,0.04) 0%, transparent 70%);
}
.plan-v4 .container { position: relative; z-index: 1; }
.plan-v4 h2 {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 0.5rem;
}
.plan-v4 .sub {
    text-align: center;
    color: var(--text-dim);
    margin-bottom: 3rem;
}
.plan-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    margin-bottom: 0.75rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(12px);
}
.plan-item:hover {
    background: var(--glass-hover);
    border-color: rgba(0,212,255,0.15);
    box-shadow: 0 4px 24px rgba(0,212,255,0.06);
}
.plan-item .check {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 12px;
    background: var(--accent-soft);
    border: 1px solid rgba(0,212,255,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    margin-top: 2px;
}
.plan-item .text h6 {
    font-weight: 600;
    margin-bottom: 0.15rem;
    font-size: 0.95rem;
    color: #fff;
}
.plan-item .text p {
    color: var(--text-dim);
    font-size: 0.82rem;
    margin: 0;
}

/* ── Speed banner ── */
.speed-v4 {
    padding: 50px 0;
    background: var(--dark);
    text-align: center;
    color: #fff;
    position: relative;
}
.speed-v4::before {
    content: '';
    position: absolute;
    top: 0;
    left: 10%;
    right: 10%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-glow), transparent);
}
.speed-v4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 10%;
    right: 10%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-glow), transparent);
}
.speed-v4 h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}
.speed-v4 p {
    font-size: 1rem;
    color: var(--text-dim);
    max-width: 520px;
    margin: 0 auto;
}

/* ── Audience ── */
.audience-v4 {
    padding: 80px 0;
    background: var(--dark-2);
    position: relative;
}
.audience-v4::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 50% 50% at 20% 50%, rgba(0,212,255,0.03) 0%, transparent 70%);
}
.audience-v4 .container { position: relative; z-index: 1; }
.audience-v4 h2 {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: #fff;
}
.aud-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(16px);
    height: 100%;
}
.aud-card:hover {
    transform: translateY(-6px);
    background: var(--glass-hover);
    border-color: rgba(0,212,255,0.15);
    box-shadow: 0 12px 40px rgba(0,212,255,0.08);
}
.aud-card .emoji { font-size: 2rem; margin-bottom: 1rem; display: block; }
.aud-card h5 { font-weight: 600; color: #fff; margin-bottom: 0.5rem; }
.aud-card p { color: var(--text-dim); font-size: 0.9rem; line-height: 1.6; }

/* ── Chat section ── */
.chat-v4 {
    padding: 80px 0;
    background: #fff;
    color: #1a1a2e;
    position: relative;
}
.chat-v4::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 50% at 70% 60%, rgba(232,69,60,0.03) 0%, transparent 70%);
}
.chat-v4 .container { position: relative; z-index: 1; }
.chat-v4 h2 {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 0.5rem;
    color: #1a1a2e;
}
.chat-v4 .sub {
    text-align: center;
    color: #666;
    margin-bottom: 3rem;
}
.chat-topic {
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(16px);
    height: 100%;
}
.chat-topic:hover {
    background: #e9ecef;
    border-color: #dee2e6;
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(0,0,0,0.06);
}
.chat-topic .icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    display: block;
}
.chat-topic h5 { font-weight: 600; margin-bottom: 0.4rem; font-size: 1.05rem; color: #1a1a2e; }
.chat-topic p { color: #666; font-size: 0.85rem; line-height: 1.5; }

/* ── CTA ── */
.cta-v4 {
    padding: 80px 0;
    background: var(--dark-2);
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
}
.cta-v4::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 70% 60% at 50% 80%, rgba(0,212,255,0.08) 0%, transparent 60%);
}
.cta-v4 .container { position: relative; z-index: 1; }
.cta-v4 h2 { font-size: 2rem; font-weight: 700; margin-bottom: 0.75rem; }
.cta-v4 p { color: var(--text-dim); margin-bottom: 2rem; font-size: 1.1rem; }

/* ── Footer ── */
.powered-v4 {
    padding: 30px 0;
    background: var(--dark);
    text-align: center;
    color: var(--text-dimmer);
    font-size: 0.85rem;
    border-top: 1px solid var(--glass-border);
}
.powered-v4 span {
    color: rgba(255,255,255,0.55);
    font-weight: 500;
}

/* ── How section ── */
.how-v4 {
    padding: 80px 0;
    background: var(--dark);
}
.how-v4 h2 {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: #fff;
}
.step-v4 {
    text-align: center;
    padding: 1.5rem;
}
.step-v4 .num {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 1rem;
    background: var(--accent-soft);
    border: 1px solid rgba(0,212,255,0.2);
}
.step-v4:nth-child(3) .num { background: rgba(0,212,255,0.25); color: #fff; }
.step-v4 h5 { font-weight: 600; color: #fff; margin-bottom: 0.4rem; }
.step-v4 p { color: var(--text-dim); font-size: 0.9rem; line-height: 1.6; }

/* ── Responsive ── */
@media (max-width: 768px) {
    .hero-v4 h1 { font-size: 2.4rem; }
    .hero-v4 .logo-wrap img { width: 64px; height: 64px; }
    .hero-v4 { background-position: center -180px; }
}