body.theme-light { background-color: var(--bg-black); color: #fff; }

/* Landing hero - Arktrix-like */
.landing-hero {
    position: relative;
    padding-top: 180px;
    padding-bottom: 140px;
    overflow: hidden;
    background:
      radial-gradient(900px 500px at 50% -10%, rgba(126,34,206,0.35), transparent 60%),
      radial-gradient(700px 500px at 10% 20%, rgba(99,102,241,0.18), transparent 60%),
      radial-gradient(700px 500px at 90% 30%, rgba(236,72,153,0.12), transparent 60%),
      linear-gradient(180deg, #0a0a0a 0%, #09090d 100%);
}
.landing-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
      linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse 100% 70% at 50% 0%, #000 20%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse 100% 70% at 50% 0%, #000 20%, transparent 80%);
    pointer-events: none;
    opacity: .8;
}
.landing-hero h1 {
    font-size: clamp(3rem, 7vw, 5.8rem);
    line-height: 0.98;
    letter-spacing: -0.04em;
    font-weight: 900;
    text-align: center;
    text-transform: uppercase;
    background: linear-gradient(180deg, #ffffff 0%, #ffffff 55%, #a78bfa 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: #fff;
    margin-bottom: 22px;
    position: relative;
}
.landing-hero p.hero-sub {
    font-size: 19.5px;
    line-height: 1.55;
    color: #9ca3af;
    max-width: 680px;
    margin: 0 auto 28px;
    text-align: center;
    position: relative;
}

/* Private-only callout */
.private-callout {
    max-width: 520px;
    margin: 22px auto 0;
    padding: 14px 18px;
    background: rgba(234, 179, 8, 0.08);
    border: 1px solid rgba(234, 179, 8, 0.25);
    color: #fcd34d;
    border-radius: 16px;
    font-size: 13.5px;
    font-weight: 500;
    text-align: center;
    position: relative;
}

/* Navbar overrides for dark landing black bg */
.landing-nav-inner .brand { font-size: 19px; }

/* Hero mockup preview (arktrix-like big card) */
.hero-mockup {
    margin-top: 64px;
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
}
.hero-mockup-frame {
    border-radius: 28px;
    border: 1px solid rgba(255,255,255,0.08);
    background:
      linear-gradient(180deg, #111116 0%, #0c0c12 100%);
    box-shadow:
      0 30px 80px rgba(0,0,0,0.5),
      0 0 0 1px rgba(255,255,255,0.04) inset,
      0 0 120px rgba(126,34,206,0.18);
    overflow: hidden;
    position: relative;
}
.hero-mockup-bar {
    height: 40px;
    display: flex;
    align-items: center;
    padding: 0 16px;
    gap: 8px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    background: rgba(255,255,255,0.02);
}
.hero-mockup-dots { display: inline-flex; gap: 6px; }
.hero-mockup-dots span { width: 12px; height: 12px; border-radius: 50%; background: #27272a; }
.hero-mockup-dots span:nth-child(1) { background: #ef4444; }
.hero-mockup-dots span:nth-child(2) { background: #eab308; }
.hero-mockup-dots span:nth-child(3) { background: #22c55e; }
.hero-mockup-url {
    flex: 1;
    margin: 0 20px 0 10px;
    height: 24px;
    border-radius: 8px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.06);
    color: #5e5e73;
    font-size: 12px;
    font-family: ui-monospace, monospace;
    display: inline-flex;
    align-items: center;
    padding: 0 12px;
}
.hero-mockup-content {
    padding: 44px 40px 48px;
    min-height: 320px;
    background:
      radial-gradient(600px 260px at 80% -20%, rgba(126,34,206,0.20), transparent 70%),
      radial-gradient(500px 240px at 0% 100%, rgba(59,130,246,0.15), transparent 70%);
}
.mock-card {
    max-width: 420px;
    background: linear-gradient(180deg, #14141e 0%, #0d0d14 100%);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 24px;
    padding: 26px;
    box-shadow: 0 30px 60px rgba(0,0,0,0.5);
}
.mock-h1 {
    font-size: 28px;
    letter-spacing: -0.02em;
    font-weight: 800;
    color: #fff;
    margin-bottom: 10px;
    line-height: 1.1;
    background: linear-gradient(180deg, #fff 0%, #a78bfa 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.mock-p { color: #8b8b9e; font-size: 14px; margin-bottom: 18px; line-height: 1.6; }
.mock-btn {
    display: inline-block;
    padding: 12px 22px;
    background: linear-gradient(135deg, #6366f1, #7e22ce);
    color: #fff;
    font-weight: 700;
    border-radius: 14px;
    font-size: 14px;
    box-shadow: 0 10px 30px rgba(126,34,206,0.4);
}
.mock-preview-chips {
    display: flex; gap: 8px; margin-top: 24px; flex-wrap: wrap;
}
.mock-chip {
    font-size: 12px;
    padding: 6px 12px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.08);
    color: #c9c9d4;
    background: rgba(255,255,255,0.03);
    font-weight: 500;
    display: inline-flex; align-items: center; gap: 6px;
}
.mock-chip::before {
    content: '';
    width: 6px; height: 6px; border-radius: 50%;
    background: #10b981;
    display: inline-block;
    box-shadow: 0 0 0 3px rgba(16,185,129,0.18);
}

/* Section eyebrow + title overrides for dark black bg */
.section-eyebrow { color: #a78bfa; }
.section-title {
    font-size: clamp(2.2rem, 4.5vw, 3.8rem);
    letter-spacing: -0.03em;
    background: linear-gradient(180deg, #fff 0%, #e9d5ff 70%, #a78bfa 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: #fff;
}
.section-sub { color: #8b8b9e; font-size: 17px; }

/* Footer gradient subtle */
.footer {
    background:
      radial-gradient(1000px 400px at 50% 120%, rgba(126,34,206,0.20), transparent 70%),
      #07070b;
}

/* Hide auth-only CTA strings in whitelist-only mode (privacy) */