/* ══════════════════════════════════════
   CSS VARIABLES & BASE
══════════════════════════════════════ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --orange: #ff9800;
    --deep-orange: #ff5722;
    --blue: #00aaff;
    --bg: #000814;
    --card-bg: #0a1628;
    --card-border: rgba(0, 170, 255, 0.12);
}

body {
    background: var(--bg);
    color: #fff;
    font-family: 'Exo 2', sans-serif;
    overflow-x: hidden;
}

/* ══════════════════════════════════════
   CANVAS BACKGROUND
══════════════════════════════════════ */
#bgCanvas {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

/* ══════════════════════════════════════
   SCROLL REVEAL
══════════════════════════════════════ */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.75s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.75s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.from-left  { transform: translateX(-60px); }
.reveal.from-right { transform: translateX(60px); }
.reveal.scale-in   { transform: scale(0.88); }
.reveal.visible {
    opacity: 1;
    transform: none;
}

/* ══════════════════════════════════════
   HERO
══════════════════════════════════════ */
.about-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 40px 80px;
    overflow: hidden;
    z-index: 1;
}

/* Spinning orbital rings */
.hero-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(255, 152, 0, 0.08);
    animation: spinRing 30s linear infinite;
    pointer-events: none;
}
.hero-ring:nth-child(1) { width: 600px; height: 600px; }
.hero-ring:nth-child(2) { width: 420px; height: 420px; border-color: rgba(0, 170, 255, 0.08); animation-duration: 20s; animation-direction: reverse; }
.hero-ring:nth-child(3) { width: 260px; height: 260px; border-color: rgba(255, 152, 0, 0.12); animation-duration: 12s; }

.hero-ring::before {
    content: '';
    position: absolute;
    top: -4px;
    left: 50%;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--orange);
    transform: translateX(-50%);
    box-shadow: 0 0 10px var(--orange);
}

@keyframes spinRing {
    to { transform: rotate(360deg); }
}

/* Hero badge */
.hero-badge {
    display: inline-block;
    font-family: 'Orbitron', sans-serif;
    font-size: 11px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--orange);
    border: 1px solid rgba(255, 152, 0, 0.4);
    padding: 6px 20px;
    border-radius: 30px;
    margin-bottom: 28px;
    animation: heroBadge 1s ease both;
    position: relative;
    z-index: 1;
}
@keyframes heroBadge {
    from { opacity: 0; transform: scale(0.7); }
    to   { opacity: 1; transform: scale(1); }
}

/* Hero title */
.hero-title {
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(36px, 7vw, 72px);
    font-weight: 800;
    line-height: 1.1;
    position: relative;
    z-index: 1;
}
.hero-title .line { display: block; overflow: hidden; }
.hero-title .line span {
    display: block;
    animation: lineReveal 0.9s cubic-bezier(0.22, 1, 0.36, 1) both;
}
.hero-title .line:nth-child(1) span { animation-delay: 0.1s; }
.hero-title .line:nth-child(2) span { animation-delay: 0.28s; }

@keyframes lineReveal {
    from { transform: translateY(110%); }
    to   { transform: translateY(0); }
}

.hero-title .gradient-word {
    background: linear-gradient(90deg, var(--orange), var(--deep-orange), var(--orange));
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shimmerText 3.5s linear infinite;
}
@keyframes shimmerText {
    to { background-position: 200% center; }
}

/* Hero subtitle */
.hero-sub {
    font-size: 18px;
    color: #99b0c8;
    max-width: 560px;
    margin: 28px auto 0;
    line-height: 1.75;
    position: relative;
    z-index: 1;
    animation: fadeUp 1s ease both 0.55s;
}
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}


/* ══════════════════════════════════════
   PAGE SECTIONS
══════════════════════════════════════ */
.page-section {
    position: relative;
    z-index: 1;
    padding: 100px 40px;
    max-width: 1160px;
    margin: 0 auto;
}

.sec-label {
    font-family: 'Orbitron', sans-serif;
    font-size: 11px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--orange);
    margin-bottom: 14px;
    display: block;
}
.sec-heading {
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(24px, 4vw, 38px);
    color: #fff;
    line-height: 1.2;
    margin-bottom: 18px;
}
.sec-heading em { font-style: normal; color: var(--blue); }
.sec-body { font-size: 16px; color: #7a9ab8; line-height: 1.85; max-width: 560px; }

/* ══════════════════════════════════════
   MISSION SPLIT
══════════════════════════════════════ */
.mission-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

/* Floating math symbol cluster */
.symbol-cluster {
    position: relative;
    height: 380px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.cluster-core {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 152, 0, 0.2), rgba(255, 87, 34, 0.05));
    border: 2px solid rgba(255, 152, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 52px;
    box-shadow: 0 0 60px rgba(255, 152, 0, 0.2);
    animation: corePulse 3s ease-in-out infinite;
}
@keyframes corePulse {
    0%, 100% { box-shadow: 0 0 40px rgba(255, 152, 0, 0.2); transform: scale(1); }
    50%       { box-shadow: 0 0 80px rgba(255, 152, 0, 0.4); transform: scale(1.06); }
}
.orbit-symbol {
    position: absolute;
    font-family: 'Orbitron', sans-serif;
    font-size: 18px;
    color: var(--orange);
    background: var(--card-bg);
    border: 1px solid rgba(255, 152, 0, 0.25);
    border-radius: 12px;
    padding: 10px 16px;
    animation: orbitFloat var(--od) var(--odel) ease-in-out infinite alternate;
}
@keyframes orbitFloat {
    from { transform: translate(0, 0) rotate(-3deg); }
    to   { transform: translate(var(--dx), var(--dy)) rotate(3deg); }
}

/* ══════════════════════════════════════
   STATS STRIP
══════════════════════════════════════ */
.stats-strip {
    background: linear-gradient(135deg, #050e1c 0%, #0a1628 50%, #050e1c 100%);
    border-top: 1px solid rgba(255, 152, 0, 0.1);
    border-bottom: 1px solid rgba(255, 152, 0, 0.1);
    padding: 70px 40px;
    position: relative;
    z-index: 1;
    overflow: hidden;
}
.stats-strip::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 60% at 50% 100%, rgba(255, 152, 0, 0.06), transparent);
    pointer-events: none;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2px;
    max-width: 1000px;
    margin: 0 auto;
}
.stat-item { text-align: center; padding: 40px 20px; position: relative; }
.stat-item + .stat-item::before {
    content: '';
    position: absolute;
    left: 0; top: 20%; bottom: 20%;
    width: 1px;
    background: rgba(255, 152, 0, 0.12);
}
.stat-num {
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(36px, 5vw, 54px);
    font-weight: 800;
    background: linear-gradient(90deg, var(--orange), var(--deep-orange));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: block;
    line-height: 1;
}
.stat-suffix { font-family: 'Orbitron', sans-serif; font-size: 24px; color: var(--orange); }
.stat-label { display: block; font-size: 13px; color: #5a7a95; letter-spacing: 1.5px; text-transform: uppercase; margin-top: 12px; }

/* ══════════════════════════════════════
   BENTO FEATURE GRID
══════════════════════════════════════ */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: auto auto;
    gap: 20px;
}
.bento-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 22px;
    padding: 36px 30px;
    position: relative;
    overflow: hidden;
    transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.35s, border-color 0.3s;
    cursor: default;
}
.bento-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 24px 70px rgba(26, 62, 141, 0.55);
    border-color: rgba(255, 152, 0, 0.3);
}
.bento-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--orange), var(--deep-orange), var(--blue));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
    border-radius: 22px 22px 0 0;
}
.bento-card:hover::before { transform: scaleX(1); }
.bento-card::after {
    content: '';
    position: absolute;
    bottom: -60px; right: -60px;
    width: 140px; height: 140px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 152, 0, 0.07), transparent 70%);
    opacity: 0;
    transition: opacity 0.3s;
}
.bento-card:hover::after { opacity: 1; }
.bento-card.wide { grid-column: span 2; }
.bento-icon { font-size: 38px; margin-bottom: 18px; display: block; transition: transform 0.3s; }
.bento-card:hover .bento-icon { transform: scale(1.2) rotate(-6deg); }
.bento-card h3 { font-family: 'Orbitron', sans-serif; font-size: 16px; color: var(--orange); margin-bottom: 12px; letter-spacing: 0.5px; }
.bento-card p  { font-size: 14.5px; color: #6a8aa8; line-height: 1.75; }

/* ══════════════════════════════════════
   TOPICS TIMELINE
══════════════════════════════════════ */
.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}
.timeline { position: relative; padding-left: 40px; }
.timeline::before {
    content: '';
    position: absolute;
    left: 11px; top: 0; bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, transparent, var(--orange) 10%, var(--orange) 90%, transparent);
}
.tl-item { position: relative; padding: 0 0 52px 36px; }
.tl-dot {
    position: absolute;
    left: -29px; top: 4px;
    width: 24px; height: 24px;
    border-radius: 50%;
    background: var(--bg);
    border: 2px solid var(--orange);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    transition: background 0.3s, box-shadow 0.3s;
}
.tl-item:hover .tl-dot { background: var(--orange); box-shadow: 0 0 18px rgba(255, 152, 0, 0.5); }
.tl-item h4 { font-family: 'Orbitron', sans-serif; font-size: 16px; color: #fff; margin-bottom: 8px; }
.tl-item p  { font-size: 14px; color: #5a7a95; line-height: 1.7; max-width: 420px; }


/* ══════════════════════════════════════
   HOLOGRAPHIC AUTHOR CARD
══════════════════════════════════════ */
.holo-card-wrap { display: flex; justify-content: center; perspective: 800px; }
.holo-card {
    width: 100%;
    max-width: 680px;
    background: var(--card-bg);
    border-radius: 28px;
    padding: 56px 50px;
    position: relative;
    overflow: hidden;
    transform-style: preserve-3d;
    transition: transform 0.1s ease;
    border: 1px solid rgba(0, 170, 255, 0.15);
    box-shadow: 0 0 80px rgba(26, 62, 141, 0.35);
}
.holo-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(115deg, transparent 20%, rgba(255,152,0,0.04) 40%, rgba(0,170,255,0.06) 50%, transparent 70%);
    background-size: 200% 200%;
    animation: holoSheen 4s ease-in-out infinite;
    pointer-events: none;
}
@keyframes holoSheen {
    0%   { background-position: 0% 50%; }
    50%  { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}
.holo-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    pointer-events: none;
    animation: orbDrift var(--od3) ease-in-out infinite alternate;
}
.holo-orb.o1 { width: 220px; height: 220px; background: rgba(255,152,0,0.08); top: -60px; left: -60px; --od3: 6s; }
.holo-orb.o2 { width: 180px; height: 180px; background: rgba(0,170,255,0.07); bottom: -50px; right: -50px; --od3: 8s; }
@keyframes orbDrift {
    from { transform: translate(0, 0); }
    to   { transform: translate(20px, 20px); }
}

.holo-avatar {
    width: 110px; height: 110px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--orange), var(--deep-orange));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 46px;
    margin: 0 auto 28px;
    box-shadow: 0 0 0 6px rgba(255,152,0,0.1), 0 0 40px rgba(255,152,0,0.25);
    animation: avatarPop 0.7s cubic-bezier(0.22,1,0.36,1) both 0.3s;
    position: relative;
    z-index: 1;
}
@keyframes avatarPop {
    from { transform: scale(0) rotate(-180deg); opacity: 0; }
    to   { transform: scale(1) rotate(0deg);   opacity: 1; }
}
.avatar-ring {
    position: absolute;
    top: -8px; left: 50%;
    transform: translateX(-50%);
    width: 126px; height: 126px;
    border-radius: 50%;
    border: 2px dashed rgba(255,152,0,0.3);
    animation: spinRing 8s linear infinite;
    pointer-events: none;
}
.holo-name {
    font-family: 'Orbitron', sans-serif;
    font-size: 22px;
    text-align: center;
    background: linear-gradient(90deg, var(--orange), var(--deep-orange));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 6px;
    position: relative;
    z-index: 1;
}
.holo-role {
    text-align: center;
    font-size: 12px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--blue);
    margin-bottom: 32px;
    position: relative;
    z-index: 1;
}
.holo-desc {
    font-size: 15px;
    color: #7a9ab8;
    line-height: 1.8;
    text-align: center;
    max-width: 480px;
    margin: 0 auto 36px;
    position: relative;
    z-index: 1;
}
.details-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; position: relative; z-index: 1; }
.detail-chip {
    background: #060f1a;
    border: 1px solid rgba(0,170,255,0.1);
    border-radius: 14px;
    padding: 16px 18px;
    transition: border-color 0.3s, transform 0.25s;
}
.detail-chip:hover { border-color: rgba(255,152,0,0.35); transform: translateY(-3px); }
.detail-chip .lbl { font-size: 10px; letter-spacing: 1.5px; text-transform: uppercase; color: #3a5878; margin-bottom: 5px; }
.detail-chip .val { font-size: 14px; color: #d0e8f8; font-weight: 600; }



/* ══════════════════════════════════════
   SCROLL TO TOP BUTTON
══════════════════════════════════════ */
#scrollBtn {
    display: none;
    position: fixed;
    bottom: 32px; right: 32px;
    width: 50px; height: 50px;
    border-radius: 50%;
    background: linear-gradient(45deg, var(--orange), var(--deep-orange));
    border: none;
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 16px rgba(255,152,0,0.5);
    z-index: 999;
    transition: transform 0.25s, box-shadow 0.25s;
}
#scrollBtn:hover { transform: scale(1.15); box-shadow: 0 0 28px rgba(255,87,34,0.7); }

/* ══════════════════════════════════════
   RESPONSIVE / HAMBURGER
══════════════════════════════════════ */
@media (max-width: 768px) {
    .hamburger {
        display: block;
        cursor: pointer;
        width: 30px; height: 3px;
        background-color: white;
        position: relative;
        margin-right: 20px;
        transition: background-color 0.3s;
        flex-shrink: 0;
    }
    .hamburger::before, .hamburger::after {
        content: '';
        position: absolute;
        width: 30px; height: 3px;
        background-color: white;
        transition: transform 0.3s ease, top 0.3s ease;
    }
    .hamburger::before { top: -10px; }
    .hamburger::after  { top: 10px; }
    .hamburger.open { background-color: transparent; }
    .hamburger.open::before { top: 0; transform: rotate(45deg); }
    .hamburger.open::after  { top: 0; transform: rotate(-45deg); }

    .nav-anim {
        display: flex;
        flex-direction: column;
        align-items: center;
        background-color: rgba(0,0,0,0.97);
        position: fixed;
        top: 62px; left: -100%;
        width: 100%;
        height: calc(100vh - 62px);
        transition: left 0.35s ease;
        padding-top: 30px;
        z-index: 999;
        overflow-y: auto;
    }
    .nav-anim.active { left: 0; }
    .nav-anim a { display: block; width: 100%; text-align: center; padding: 18px 20px; font-size: 20px; }
    .nav-anim span { display: none; }

    .mission-split   { grid-template-columns: 1fr; gap: 40px; }
    .bento-grid      { grid-template-columns: 1fr; }
    .bento-card.wide { grid-column: span 1; }
    .stats-grid      { grid-template-columns: 1fr 1fr; }
    .stat-item + .stat-item::before { display: none; }
    .two-col         { grid-template-columns: 1fr; gap: 0; }
    .details-grid    { grid-template-columns: 1fr; }
    .holo-card       { padding: 40px 24px; }
    .page-section    { padding: 70px 20px; }
}