/* ═══════════════════════════════════════════
   KABYNYT — Vault Glass
   Deep indigo base with a warm amber halo. Pure gradients (no
   filter:blur, no animation) — GPU-cheap, safe for iOS Safari
   scroll. Only the nav uses backdrop-filter.
   ═══════════════════════════════════════════ */

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}

:root{
    --panel:rgba(255,255,255,.045);
    --panel-hover:rgba(255,255,255,.085);
    --border:rgba(255,255,255,.1);
    --border-hover:rgba(255,255,255,.22);
    --text-1:#fff;
    --text-2:rgba(255,255,255,.78);
    --text-3:rgba(255,255,255,.55);
    --accent:#f4b942;
    --accent-cool:#a78bfa;
    --radius:20px;
    --radius-lg:28px;
    --ease:cubic-bezier(.16,1,.3,1);
    --font-display:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text",system-ui,"Segoe UI",sans-serif;
    --font-body:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text",system-ui,sans-serif;
    color-scheme:dark light;
}

html{
    background:#0a0712;
    background:
        radial-gradient(ellipse 1100px 720px at 50% -10%, #2a1a4a 0%, transparent 60%),
        #0a0712;
}
@media(prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}

body{
    font-family:var(--font-body);
    -webkit-font-smoothing:antialiased;
    color:var(--text-1);
    background:transparent;
    min-height:100svh;
    position:relative;
    overflow-x:hidden;
    line-height:1.55;
}

body::before{
    content:'';
    position:fixed;
    inset:0;
    pointer-events:none;
    background:
        radial-gradient(circle 600px at 18% 88%, rgba(244,185,66,.07) 0%, transparent 70%),
        radial-gradient(circle 500px at 88% 36%, rgba(167,139,250,.06) 0%, transparent 70%);
    z-index:0;
}
body > *{position:relative;z-index:1}

.skip-link{
    position:absolute;top:-100%;left:50%;transform:translateX(-50%);
    padding:12px 24px;background:var(--text-1);color:#0a0712;
    border-radius:100px;font-weight:600;font-size:.9rem;
    text-decoration:none;z-index:200;transition:top .2s;
}
.skip-link:focus{top:16px}

.sr-only{
    position:absolute;width:1px;height:1px;padding:0;margin:-1px;
    overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
}

/* ── Navigation ─────────────────────────────── */
.nav-wrap{
    position:sticky;top:16px;z-index:100;
    padding:0 max(20px,env(safe-area-inset-left)) 0 max(20px,env(safe-area-inset-right));
    margin:16px auto 0;
    max-width:1200px;
}
.nav-bar{
    display:flex;align-items:center;justify-content:space-between;
    padding:10px 20px;
    background:rgba(20,14,40,.55);
    backdrop-filter:blur(28px) saturate(150%);
    -webkit-backdrop-filter:blur(28px) saturate(150%);
    border:1px solid var(--border);
    border-radius:100px;
}
.nav-brand{
    display:flex;align-items:center;gap:10px;
    color:var(--text-1);text-decoration:none;
    font-family:var(--font-display);font-weight:700;font-size:1.1rem;
    letter-spacing:-.01em;
}
.nav-icon{
    width:32px;height:32px;border-radius:8px;
}
.nav-links{display:flex;align-items:center;gap:24px}
.nav-links a{
    color:var(--text-2);text-decoration:none;font-size:.95rem;font-weight:500;
    transition:color .2s var(--ease);
}
.nav-links a:hover{color:var(--text-1)}

/* ── Hero ──────────────────────────────────── */
main{padding:0 max(20px,env(safe-area-inset-left)) 0 max(20px,env(safe-area-inset-right))}

.hero{
    max-width:880px;margin:0 auto;
    padding:88px 0 64px;text-align:center;
}
.hero-icon{
    width:120px;height:120px;border-radius:28px;margin:0 auto 28px;
    box-shadow:0 24px 48px -16px rgba(167,139,250,.45);
}
.hero h1{
    font-family:var(--font-display);
    font-weight:800;letter-spacing:-.025em;line-height:1.05;
    font-size:clamp(2.4rem,5.5vw,4rem);
    margin-bottom:20px;
}
.hero h1 .accent{
    background:linear-gradient(135deg,var(--accent) 0%,#ffd87a 100%);
    -webkit-background-clip:text;background-clip:text;
    -webkit-text-fill-color:transparent;color:transparent;
}
.hero-sub{
    font-size:clamp(1.05rem,2vw,1.25rem);
    color:var(--text-2);max-width:640px;margin:0 auto 36px;
}

.cta-row{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;align-items:center}
.cta-primary,.cta-secondary{
    display:inline-flex;align-items:center;gap:8px;
    padding:14px 28px;border-radius:100px;
    text-decoration:none;font-weight:600;font-size:1rem;
    transition:transform .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.cta-primary{
    background:var(--accent);color:#1a0f00;
    border:1px solid var(--accent);
}
.cta-primary:hover{transform:translateY(-1px);background:#ffc864}
.cta-secondary{
    background:var(--panel);color:var(--text-1);
    border:1px solid var(--border);
}
.cta-secondary:hover{background:var(--panel-hover);border-color:var(--border-hover)}

/* ── Categories strip ──────────────────────── */
.section{max-width:1100px;margin:0 auto;padding:48px 0}
.section h2{
    font-family:var(--font-display);
    font-weight:700;letter-spacing:-.015em;
    font-size:clamp(1.6rem,3.2vw,2.4rem);
    margin-bottom:14px;text-align:center;
}
.section-sub{
    color:var(--text-2);text-align:center;max-width:640px;margin:0 auto 36px;
    font-size:1.05rem;
}

.categories{
    display:flex;flex-wrap:wrap;gap:10px;justify-content:center;
    max-width:880px;margin:0 auto;
}
.category-chip{
    padding:8px 16px;
    background:var(--panel);
    border:1px solid var(--border);
    border-radius:100px;
    color:var(--text-2);
    font-size:.9rem;font-weight:500;
}

/* ── Features grid ─────────────────────────── */
.features{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
    gap:18px;
    margin-top:24px;
}
.feature{
    padding:24px;
    background:var(--panel);
    border:1px solid var(--border);
    border-radius:var(--radius);
}
.feature h3{
    font-family:var(--font-display);
    font-weight:700;font-size:1.15rem;
    margin-bottom:8px;
    color:var(--text-1);
}
.feature p{color:var(--text-2);font-size:.95rem}

/* ── Footer ────────────────────────────────── */
footer{
    max-width:1100px;margin:64px auto 0;
    padding:32px max(20px,env(safe-area-inset-left)) 32px max(20px,env(safe-area-inset-right));
    border-top:1px solid var(--border);
    display:flex;flex-wrap:wrap;gap:20px;
    justify-content:space-between;align-items:center;
    color:var(--text-3);font-size:.9rem;
}
footer a{color:var(--text-2);text-decoration:none;margin-left:18px}
footer a:hover{color:var(--text-1)}

/* ── Light mode ────────────────────────────── */
@media(prefers-color-scheme:light){
    :root{
        --panel:rgba(10,7,18,.045);
        --panel-hover:rgba(10,7,18,.075);
        --border:rgba(10,7,18,.12);
        --border-hover:rgba(10,7,18,.22);
        --text-1:#1a0f2a;
        --text-2:rgba(26,15,42,.72);
        --text-3:rgba(26,15,42,.5);
    }
    html{
        background:#f5efe6;
        background:
            radial-gradient(ellipse 1100px 720px at 50% -10%, #ffd87a 0%, transparent 60%),
            #f5efe6;
    }
    .skip-link{color:#fff}
    .nav-bar{background:rgba(255,255,255,.65)}
    .hero h1 .accent{
        background:linear-gradient(135deg,#a16b00 0%,#d4a138 100%);
        -webkit-background-clip:text;background-clip:text;
        -webkit-text-fill-color:transparent;
    }
    .cta-primary{color:#1a0f00}
}

/* ── Reduced motion ────────────────────────── */
@media(prefers-reduced-motion:reduce){
    *,*::before,*::after{
        animation-duration:.01ms !important;
        transition-duration:.01ms !important;
    }
}