/* ----------------------------------------------------
   AuroraSense — Cinematic Travel UI
   Namespaced tokens: an-
   Complete stylesheet (FINAL)
---------------------------------------------------- */

:root {
    /* TravelSense brand palette */
    --an-primary: #7CC7F2;         /* Aurora Blue */
    --an-secondary: #66AEB7;       /* Mist Teal */
    --an-tertiary: #D7CFC6;        /* Sand Accent */
    --an-bg-deep: #0F1114;         /* Graphite Night */
    --an-bg-soft: #13161B;
    --an-ink: #F0F5FA;             /* Cloud Silver */
    --an-muted: #8A96A1;

    /* Motion */
    --an-motion-fast: 140ms;
    --an-motion-med: 260ms;
    --an-motion-slow: 480ms;
    --an-easing: cubic-bezier(.22,.61,.36,1);

    /* Glass & glow */
    --an-glass: rgba(255,255,255,0.08);
    --an-glass-heavy: rgba(255,255,255,0.18);
    --an-glow: 0 0 22px rgba(124,199,242,0.38);

    /* Radius */
    --an-r-sm: 10px;
    --an-r-md: 20px;
    --an-r-lg: 28px;

    /* Layout width & rhythm */
    --an-max: 920px;
    --an-space: 26px;
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
    * { animation: none !important; transition: none !important; }
}

/* ----------------------------------------------------
   GLOBAL BASELINE
---------------------------------------------------- */

html, body {
    margin: 0;
    background: var(--an-bg-deep);
    color: var(--an-ink);
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
    overflow-x: hidden;
}

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

/* ----------------------------------------------------
   CINEMATIC PARTICLE FIELD
---------------------------------------------------- */

body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -2;
    background: radial-gradient(60% 80% at 50% 10%, rgba(124,199,242,0.12), transparent),
                radial-gradient(80% 140% at 80% 90%, rgba(255,255,255,0.05), transparent);
    animation: an-bgFloat 22s ease-in-out infinite alternate;
    opacity: .4;
}

@keyframes an-bgFloat {
    0% { transform: translateY(0) scale(1); }
    100% { transform: translateY(-2%) scale(1.04); }
}

.an-particles {
    pointer-events: none;
    position: fixed;
    inset: 0;
    z-index: -1;
    background-image:
        radial-gradient(circle, rgba(255,255,255,0.08) 1px, transparent 1px),
        radial-gradient(circle, rgba(255,255,255,0.06) 1px, transparent 1px),
        radial-gradient(circle, rgba(255,255,255,0.05) 1px, transparent 1px);
    background-size: 140px 140px, 200px 200px, 300px 300px;
    opacity: .25;
}

/* ----------------------------------------------------
   NAVIGATION — HORIZON BEAM BAR
---------------------------------------------------- */

.an-header {
    padding: calc(var(--an-space) * 1.5) 0 var(--an-space);
    position: relative;
}

.an-header::after {
    content:"";
    position:absolute;
    left:0; right:0; bottom:0;
    height:2px;
    background: linear-gradient(90deg, transparent, var(--an-primary), transparent);
    opacity:.35;
}

.an-nav-wrapper {
    display:flex;
    justify-content:center;
}

.an-nav {
    display:flex;
    gap:20px;
    padding:10px 20px;
    background: rgba(255,255,255,0.03);
    backdrop-filter: blur(8px);
    border-radius: var(--an-r-lg);
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.06);
}

.an-nav a {
    text-decoration:none;
    color:var(--an-ink);
    padding:10px 18px;
    border-radius:var(--an-r-md);
    position:relative;
    transition: color var(--an-motion-fast) var(--an-easing),
               background var(--an-motion-fast) var(--an-easing),
               transform var(--an-motion-fast) var(--an-easing);
}

.an-nav a:hover {
    background: var(--an-glass);
    transform: translateY(-2px);
}

/* Aurora underline animation */
.an-nav a::after {
    content:"";
    position:absolute; left:18px; right:18px; bottom:4px;
    height:2px;
    background: linear-gradient(90deg, var(--an-primary), var(--an-secondary));
    transform: scaleX(0);
    transform-origin:left;
    transition: transform var(--an-motion-med) var(--an-easing);
}

.an-nav a:hover::after {
    transform: scaleX(1);
}

/* ----------------------------------------------------
   HERO IMAGE — PARALLAX HOVER
---------------------------------------------------- */

.an-figure {
    margin: var(--an-space) 0;
}

.an-figure img {
    width:100%;
    max-height:480px;
    object-fit:cover;
    border-radius:var(--an-r-lg);
    filter: brightness(0.92) saturate(1.2);
    transform: translateY(0);
    transition: transform var(--an-motion-slow) var(--an-easing);
    box-shadow: var(--an-glow);
}

.an-figure img:hover {
    transform: translateY(-6px);
}

/* ----------------------------------------------------
   MAIN LAYOUT
---------------------------------------------------- */

.an-main {
    max-width: var(--an-max);
    margin:0 auto;
    padding: calc(var(--an-space) * 2) var(--an-space);
}

.an-article { display:block; }

/* ----------------------------------------------------
   TYPOGRAPHY
---------------------------------------------------- */

.an-h1 {
    font-size:2.7rem;
    font-weight:600;
    letter-spacing:.5px;
    margin-bottom:var(--an-space);
    background: linear-gradient(90deg, var(--an-primary), var(--an-secondary));
    -webkit-background-clip:text;
    color:transparent;
}

.an-dek {
    font-size:1.15rem;
    color:var(--an-tertiary);
    margin-bottom: calc(var(--an-space) * 1.5);
}

/* ----------------------------------------------------
   SECTION BEAMS — Vertical Aurora Glow
---------------------------------------------------- */

.an-section {
    position:relative;
    padding-top: calc(var(--an-space) * 1.5);
    margin-bottom: calc(var(--an-space) * 2);
}

.an-section::before {
    content:"";
    position:absolute;
    left:-12px;
    top:0; bottom:0;
    width:3px;
    background: linear-gradient(180deg, var(--an-primary), transparent);
    opacity:0;
    transform: scaleY(0.2);
    transition:
        opacity var(--an-motion-slow) var(--an-easing),
        transform var(--an-motion-slow) var(--an-easing);
}

.an-section.is-seen::before {
    opacity:.45;
    transform: scaleY(1);
}

/* ----------------------------------------------------
   PARAGRAPH JUSTIFICATION
---------------------------------------------------- */

article p,
section p,
main p,
p {
    text-align: justify !important;
    text-justify: inter-word !important;
    -webkit-hyphens: auto !important;
    -ms-hyphens: auto !important;
    hyphens: auto !important;
    margin-bottom: var(--an-space);
}

/* ----------------------------------------------------
   GLASSWAVE CARDS — Animated Light Streak
---------------------------------------------------- */

.an-card {
    background: var(--an-glass);
    border:1px solid rgba(255,255,255,0.08);
    padding:var(--an-space);
    border-radius:var(--an-r-lg);
    backdrop-filter: blur(10px);
    position:relative;
    overflow:hidden;
    transition:
        transform var(--an-motion-med) var(--an-easing),
        box-shadow var(--an-motion-med) var(--an-easing);
}

.an-card::after {
    content:"";
    position:absolute;
    top:0; left:-80%;
    width:60%;
    height:100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.12), transparent);
    transform: skewX(-18deg);
    transition: transform var(--an-motion-slow) var(--an-easing);
}

.an-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--an-glow);
}

.an-card:hover::after {
    transform: translateX(240%);
}

/* ----------------------------------------------------
   READING PROGRESS BAR
---------------------------------------------------- */

.an-progress {
    position:fixed;
    left:0; top:0;
    height:4px;
    width:0%;
    background: linear-gradient(90deg, var(--an-primary), var(--an-secondary));
    z-index:9998;
}

/* ----------------------------------------------------
   BACK TO TOP BUTTON
---------------------------------------------------- */

.an-to-top {
    position:fixed;
    right:20px; bottom:22px;
    width:50px; height:50px;
    border-radius:14px;
    border:2px solid rgba(255,255,255,0.18);
    background: var(--an-bg-soft);
    backdrop-filter: blur(10px);
    color:var(--an-primary);
    font-weight:700;
    opacity:0;
    transform: translateY(20px);
    pointer-events:none;
    transition: opacity var(--an-motion-fast), transform var(--an-motion-fast);
}

.an-to-top.an-show {
    opacity:1;
    transform:translateY(0);
    pointer-events:auto;
}

.an-to-top:hover {
    background: var(--an-glass-heavy);
}

/* Ripple */
.an-to-top .ripple {
    position:absolute;
    border-radius:999px;
    pointer-events:none;
    opacity:.35;
    background:#fff;
    transform:translate(-50%,-50%) scale(0);
    animation: an-ripple .6s ease-out forwards;
}

@keyframes an-ripple {
    to {
        transform:translate(-50%,-50%) scale(8);
        opacity:0;
    }
}

/* ----------------------------------------------------
   BEAUTIFUL CENTERED FOOTER (FIXED)
---------------------------------------------------- */

footer.an-footer,
.an-footer,
.an-footer p {
    width: 100%;
    text-align: center !important;
    margin: 0 auto;
    display: block;
}

.an-footer {
    padding: calc(var(--an-space) * 2) var(--an-space);
    margin-top: calc(var(--an-space) * 3);
    background: linear-gradient(180deg, rgba(255,255,255,0.05), transparent);
    border-top: 1px solid rgba(255,255,255,0.12);
    backdrop-filter: blur(7px);
    color: var(--an-ink);
    font-size:1.05rem;
    letter-spacing:0.6px;
    box-shadow: 0 -4px 18px rgba(124,199,242,0.18);
}

/* Gradient text */
.an-footer span {
    background: linear-gradient(90deg, var(--an-primary), var(--an-secondary));
    -webkit-background-clip:text;
    -webkit-text-fill-color: transparent;
    text-fill-color: transparent;
    font-weight: 600;
    opacity: 0.85;
    transition: opacity var(--an-motion-med) var(--an-easing);
}

.an-footer span:hover {
    opacity: 1;
}

/* ----------------------------------------------------
   RESPONSIVE
---------------------------------------------------- */

@media (max-width: 640px) {
    .an-nav {
        flex-wrap:wrap;
        padding:12px;
    }
    .an-h1 {
        font-size:2.2rem;
    }
    .an-figure img {
        max-height:300px;
    }
}