/* ── Keyframe Animations ──────────────────────────────────────── */
@keyframes blob {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33%       { transform: translate(40px, -60px) scale(1.15); }
    66%       { transform: translate(-30px, 30px) scale(0.9); }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(-18px); }
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(32px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes pulse-slow {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.6; }
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50%       { background-position: 100% 50%; }
}

/* ── Animation Utilities ─────────────────────────────────────── */
.animate-blob        { animation: blob 8s infinite; }
.animate-float       { animation: float 6s ease-in-out infinite; }
.animate-fade-up     { animation: fadeUp 0.7s ease both; }
.animate-pulse-slow  { animation: pulse-slow 4s ease-in-out infinite; }
.animate-gradient    { background-size: 200% 200%; animation: gradientShift 6s ease infinite; }

.animation-delay-200  { animation-delay: 200ms; }
.animation-delay-400  { animation-delay: 400ms; }
.animation-delay-600  { animation-delay: 600ms; }
.animation-delay-2000 { animation-delay: 2000ms; }
.animation-delay-4000 { animation-delay: 4000ms; }

/* ── Glassmorphism ───────────────────────────────────────────── */
.glass {
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.glass-dark {
    background: rgba(15, 15, 26, 0.80);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

/* ── Gradient Utilities ──────────────────────────────────────── */
.gradient-text {
    background: linear-gradient(135deg, #818CF8, #A78BFA, #06B6D4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gradient-primary {
    background: linear-gradient(135deg, #4F46E5, #7C3AED);
}

/* ── Section Reveal (scroll-triggered) ──────────────────────── */
.section-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.section-reveal.visible {
    opacity: 1;
    transform: translateY(0);
}