/* SIPANDAI - Modern Effects Layer
   Aurora blobs, glassmorphism, scroll reveal, parallax, tilt, magnetic buttons.
   Shared across all frontend/public pages. Pure CSS + vanilla JS, no external deps. */

:root {
    --se-primary: #6610f2;
    --se-secondary: #d63384;
    --se-glass-bg: rgba(255, 255, 255, 0.1);
    --se-glass-border: rgba(255, 255, 255, 0.18);
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
}

/* Custom scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: #f1f1f5; }
::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--se-primary), var(--se-secondary));
    border-radius: 10px;
}

/* ---------- Navbar scroll state ---------- */
.navbar {
    transition: background 0.35s ease, padding 0.35s ease, box-shadow 0.35s ease;
}
.navbar.se-scrolled {
    padding: 8px 0 !important;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

/* ---------- Aurora / blob backdrop ---------- */
.se-aurora {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
}
.se-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.55;
    will-change: transform;
    animation: se-float 16s ease-in-out infinite alternate;
}
.se-orb-1 {
    width: 420px; height: 420px;
    top: -120px; left: -80px;
    background: radial-gradient(circle at 30% 30%, var(--se-primary), transparent 70%);
    animation-duration: 18s;
}
.se-orb-2 {
    width: 360px; height: 360px;
    bottom: -140px; right: -60px;
    background: radial-gradient(circle at 60% 60%, var(--se-secondary), transparent 70%);
    animation-duration: 22s;
    animation-delay: -4s;
}
.se-orb-3 {
    width: 280px; height: 280px;
    top: 40%; left: 55%;
    background: radial-gradient(circle, #00d4ff, transparent 70%);
    opacity: 0.35;
    animation-duration: 14s;
    animation-delay: -8s;
}
@keyframes se-float {
    0%   { transform: translate(0, 0) scale(1); }
    50%  { transform: translate(30px, -25px) scale(1.08); }
    100% { transform: translate(-25px, 20px) scale(0.96); }
}

/* Subtle film-grain texture overlay (self-contained SVG noise, no external asset) */
.se-grain {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    opacity: 0.05;
    mix-blend-mode: overlay;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- Glassmorphism ---------- */
.se-glass {
    background: var(--se-glass-bg);
    backdrop-filter: blur(18px) saturate(160%);
    -webkit-backdrop-filter: blur(18px) saturate(160%);
    border: 1px solid var(--se-glass-border);
}

/* ---------- Scroll reveal ---------- */
[data-reveal] {
    opacity: 0;
    transform: translateY(36px);
    transition: opacity 0.7s cubic-bezier(.25,.8,.25,1), transform 0.7s cubic-bezier(.25,.8,.25,1);
}
[data-reveal="zoom"] { transform: scale(0.92); }
[data-reveal="left"] { transform: translateX(-40px); }
[data-reveal="right"] { transform: translateX(40px); }
[data-reveal].se-revealed {
    opacity: 1;
    transform: translate(0, 0) scale(1);
}

/* ---------- Tilt + magnetic ---------- */
[data-tilt] {
    transform-style: preserve-3d;
    transition: transform 0.15s ease-out;
    will-change: transform;
}
[data-magnetic] {
    transition: transform 0.25s cubic-bezier(.25,.8,.25,1);
    will-change: transform;
}

/* ---------- Animated gradient text ---------- */
.se-gradient-text {
    background: linear-gradient(90deg, #fff, var(--se-secondary), #fff);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: se-shine 6s linear infinite;
}
@keyframes se-shine {
    to { background-position: 200% center; }
}

/* ---------- Parallax helper ---------- */
[data-parallax] { will-change: transform; }

/* ---------- Card mount-in animation (works for AJAX/infinite-scroll cards too,
   since it fires whenever the element is inserted - no JS observer needed) ---------- */
@keyframes se-card-in {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}
.sumber-card, .karya-card, .se-anim-card {
    animation: se-card-in 0.55s cubic-bezier(.25,.8,.25,1) both;
}
.sumber-card:nth-child(2), .karya-card:nth-child(2), .se-anim-card:nth-child(2) { animation-delay: .05s; }
.sumber-card:nth-child(3), .karya-card:nth-child(3), .se-anim-card:nth-child(3) { animation-delay: .10s; }
.sumber-card:nth-child(4), .karya-card:nth-child(4), .se-anim-card:nth-child(4) { animation-delay: .15s; }
.sumber-card:nth-child(5), .karya-card:nth-child(5), .se-anim-card:nth-child(5) { animation-delay: .20s; }
.sumber-card:nth-child(6), .karya-card:nth-child(6), .se-anim-card:nth-child(6) { animation-delay: .25s; }
.sumber-card:nth-child(7), .karya-card:nth-child(7), .se-anim-card:nth-child(7) { animation-delay: .30s; }
.sumber-card:nth-child(8), .karya-card:nth-child(8), .se-anim-card:nth-child(8) { animation-delay: .35s; }

/* ---------- hero-mini aurora backdrop (gallery/preview/profile pages) ---------- */
.hero-mini {
    position: relative;
    overflow: hidden;
}
.hero-mini .container {
    position: relative;
    z-index: 2;
}

/* ---------- Respect reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .se-orb { animation: none; }
    .se-gradient-text { animation: none; }
    [data-reveal] {
        opacity: 1;
        transform: none;
        transition: none;
    }
    .sumber-card, .karya-card, .se-anim-card {
        animation: none;
    }
}