/* 404 Page — AASP Theme */
:root {
    /* AASP Main Theme Palette */
    --aasp-primary: #D1236B;
    --aasp-primary-dark: #A31250;
    --aasp-primary-light: #FDEBF3;
    --aasp-primary-rgb: 209, 35, 107;
    --aasp-accent: #FEB713;
    --aasp-accent-hover: #E5A30D;
    --aasp-indigo: #2D2769;
    --aasp-indigo-dark: #1E1A47;
    --aasp-indigo-light: #48408A;
    --aasp-bg-cream: #FFFDF9;

    /* Semantic Variables for 404 Page */
    --ink: var(--aasp-indigo-dark);
    --muted: #6B668A;
    --card: var(--aasp-bg-cream); /* พื้นหลังด้านซ้าย (ครีมอ่อน) */
    --radius: 1.25rem;
}

html, body {
    min-height: 100%;
    font-family: "Kanit", "Open Sans", sans-serif;
    font-weight: 300;
    color: var(--ink);
    -webkit-font-smoothing: antialiased;
}

body.page-404 {
    margin: 0;
    overflow-x: hidden;
    /* พื้นหลังรอบนอกการ์ด (ไล่สี Magenta) */
    background: radial-gradient(circle at 20% 10%, #E84985, var(--aasp-primary) 45%, var(--aasp-primary-dark));
}

/* Background Decor */
.bg-decor { position: fixed; inset: 0; z-index: 0; overflow: hidden; pointer-events: none; }
.blob { position: absolute; border-radius: 50%; filter: blur(70px); opacity: .45; animation: float 16s ease-in-out infinite; }
.blob-1 { width: 420px; height: 420px; top: -120px; left: -100px; background: var(--aasp-accent); } 
.blob-2 { width: 360px; height: 360px; bottom: -140px; right: -80px; background: var(--aasp-indigo); opacity: .3; animation-delay: -5s; }
.blob-3 { width: 260px; height: 260px; top: 45%; left: 60%; background: var(--aasp-bg-cream); opacity: .2; animation-delay: -10s; } 
.grid-overlay {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
    background-size: 48px 48px;
    -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
    mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(40px, -30px) scale(1.08); }
    66% { transform: translate(-30px, 25px) scale(.95); }
}

/* Layout */
.error-wrap { position: relative; z-index: 1; display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 2rem 1rem; }
.error-card {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    width: 100%;
    max-width: 1040px;
    overflow: hidden;
    background: var(--card);
    border: 1px solid rgba(255,255,255,.6);
    border-radius: var(--radius);
    box-shadow: 0 30px 60px -15px rgba(0,0,0,.45);
    animation: rise .7s cubic-bezier(.2,.8,.2,1) both;
}

@keyframes rise { from { opacity: 0; transform: translateY(24px) scale(.98); } }

/* Logos */
.error-logos { grid-column: 1 / -1; display: flex; align-items: center; gap: 1rem; padding: 1.25rem 2rem; border-bottom: 1px solid rgba(209, 35, 107, .12); }
.error-logos .logo { height: 52px; width: auto; object-fit: contain; }
.logo-divider { width: 1px; height: 36px; background: rgba(209, 35, 107, .25); }

/* Hero */
.error-hero { padding: 2.5rem 2.5rem 2.75rem; background: var(--aasp-bg-cream); }
.error-code {
    display: flex;
    align-items: center;
    gap: .15em;
    margin-bottom: 1.25rem;
    font-size: clamp(5rem, 13vw, 8.5rem);
    font-weight: 700;
    line-height: 1;
    letter-spacing: -.02em;
    color: var(--aasp-primary); /* สี 404 */
}
.error-orb {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: .82em;
    height: .82em;
    border-radius: 50%;
    background: var(--aasp-primary); /* พื้นหลังเลข 0 */
    box-shadow: 0 12px 30px -8px rgba(209, 35, 107, .6), inset 0 -6px 14px rgba(0,0,0,.25);
}
.error-orb .ico { width: .42em; height: .42em; fill: #fff; animation: sway 6s ease-in-out infinite; }

@keyframes sway {
    0%, 100% { transform: rotate(-25deg); }
    50% { transform: rotate(35deg); }
}

.error-title { margin: 0 0 .6rem; font-size: 1.6rem; font-weight: 600; color: var(--aasp-primary); }
.error-desc { margin: 0 0 1.75rem; font-size: 1rem; line-height: 1.7; color: var(--muted); }
.error-desc .en { margin-top: .15rem; font-size: .88rem; opacity: .8; }

/* Icons */
.ico { display: inline-block; flex-shrink: 0; width: 1em; height: 1em; fill: currentColor; vertical-align: -.125em; }

/* Buttons */
.error-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-bottom: 1.75rem; }
.btn-main, .btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    padding: .7rem 1.5rem;
    border-radius: 8px; /* ปรับเป็นขอบมน 8px */
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    transition: transform .2s, box-shadow .2s, background .2s, color .2s;
}

/* ปุ่มหลัก (Indigo) - "กลับหน้าหลัก" */
.btn-main { 
    color: #fff; 
    background: var(--aasp-indigo); 
    box-shadow: 0 8px 20px -6px rgba(45, 39, 105, .65); 
}
.btn-main:hover, .btn-main:focus-visible { 
    color: #fff; 
    background: var(--aasp-indigo-dark); 
    transform: translateY(-2px); 
    box-shadow: 0 12px 24px -8px rgba(45, 39, 105, .75); 
}

/* ปุ่มรอง (ขอบ Magenta) - "ย้อนกลับ" */
.btn-ghost { 
    color: var(--aasp-primary); 
    background: #fff; 
    border: 1.5px solid var(--aasp-primary); 
}
.btn-ghost:hover, .btn-ghost:focus-visible { 
    color: #fff; 
    background: var(--aasp-primary); 
    border-color: var(--aasp-primary); 
    transform: translateY(-2px); 
}
.btn-main:focus-visible, .btn-ghost:focus-visible { outline: 3px solid rgba(209, 35, 107, .5); outline-offset: 2px; } 

/* Countdown */
.redirect-note { display: inline-flex; align-items: center; gap: .65rem; padding: .5rem 1rem .5rem .5rem; border-radius: 999px; font-size: .92rem; color: var(--muted); background: rgba(209, 35, 107, .08); }
.redirect-note strong { font-weight: 600; color: var(--aasp-primary); }
.ring { width: 28px; height: 28px; transform: rotate(-90deg); }
.ring circle { fill: none; stroke-width: 3.5; }
.ring-bg { stroke: rgba(209, 35, 107, .18); }
.ring-fg { stroke: var(--aasp-primary); stroke-linecap: round; transition: stroke-dashoffset 1s linear; }

/* Contact */
.error-contact { position: relative; padding: 2.5rem 2.5rem; color: #fff; background: var(--aasp-primary-dark); }
.error-contact::before { content: ""; position: absolute; top: 0; left: 2rem; right: 2rem; height: 3px; background: linear-gradient(90deg, var(--aasp-accent), transparent); }
.contact-head { margin-bottom: 1.5rem; }
.agency { margin: 0 0 .35rem; font-size: 1.2rem; font-weight: 500; color: #fff; }
.office { margin: 0; font-size: .92rem; opacity: .8; }

.contact-list { display: grid; gap: 1.25rem; margin: 0; padding: 0; list-style: none; }
.contact-list li { display: flex; align-items: flex-start; gap: 1rem; font-size: .93rem; line-height: 1.55; }
.contact-list small { display: block; margin-bottom: .1rem; font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; opacity: .65; }

/* ไอคอนการติดต่อ (พื้นหลัง Indigo) */
.contact-list .ic { 
    display: inline-flex; align-items: center; justify-content: center; flex: 0 0 38px; height: 38px; border-radius: 8px; 
    color: #FFF; 
    background: var(--aasp-indigo); 
} 
.contact-list a { color: #fff; text-decoration: none; word-break: break-word; border-bottom: 1px dashed rgba(255,255,255,.4); }
.contact-list a:hover { color: var(--aasp-accent); border-bottom-color: var(--aasp-accent); }

/* Responsive */
@media (max-width: 860px) {
    .error-card { grid-template-columns: 1fr; }
    .error-hero { padding: 2rem 1.5rem; text-align: center; }
    .error-code, .error-actions, .error-logos { justify-content: center; }
    .error-logos { padding: 1rem 1.5rem; }
    .error-contact { padding: 2rem 1.5rem; }
}
@media (max-width: 420px) {
    .error-logos .logo { height: 40px; }
    .btn-main, .btn-ghost { width: 100%; justify-content: center; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation: none !important; transition: none !important; }
}