/* =====================
   BACKGROUND & BODY
   ===================== */
   body {
    margin: 0;
    min-height: 100vh;
    padding: 0;
    /*overflow: auto;*/
    background: linear-gradient(to bottom, #000428, #004e92);
    scroll-behavior: smooth;
    background: transparent !important;
   }
/* ============================================================
   RESET / SAFETY
   ============================================================ */
   html, body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

/* ============================================================
   KEYFRAMES
   ============================================================ */

/* Four distinct twinkle patterns */
@keyframes twinkle-a {
    0%,  100% { opacity: 1;      }
    50%        { opacity: 0.15}
}
@keyframes twinkle-b {
    0%,  100% { opacity: 0.75;    }
    30%        { opacity: 1;    }
    65%        { opacity: 0.1;  }
}

@keyframes twinkle-c {
    0%,  100% { opacity: 0.9;     }
    20%        { opacity: 0.25;  }
    55%        { opacity: 1;    }
    80%        { opacity: 0.35; }

}

@keyframes twinkle-d {
    0%,  100% { opacity: 0.7;     }
    40%        { opacity: 1;    }
    70%        { opacity: 0.15; }
  
}


/* Planet pulse — gentle atmospheric breathing */
/* ============================================================
   KEYFRAMES
   ============================================================ */

/* Atmospheric glow pulse — slow, breathing feel */
@keyframes planetPulse {
    0%, 100% {
        box-shadow:
            /* Tight atmospheric rim */
            0 0  40px  15px rgba(80,  160, 255, 0.30),
            /* Mid atmosphere blue halo */
            0 0  90px  40px rgba(50,  120, 220, 0.22),
            /* Outer scatter glow */
            0 0 180px  80px rgba(30,   80, 180, 0.14),
            /* Deep space bleed */
            0 0 320px 130px rgba(10,   40, 120, 0.08),
            0 0 500px 200px rgba(0,    20,  80, 0.04),
            /* Inner shadow — dark side depth */
            inset -120px  -80px 160px rgba(0,   0,   0,   0.80),
            inset  -60px  -40px  80px rgba(0,   0,  20,   0.50),
            /* Lit-side subsurface scatter */
            inset   60px   30px  90px rgba(80,  160, 255, 0.08),
            inset   30px   10px  50px rgba(40,  200, 160, 0.06);
    }
    50% {
        box-shadow:
            0 0  55px  22px rgba(80,  170, 255, 0.42),
            0 0 115px  55px rgba(50,  130, 230, 0.32),
            0 0 220px 100px rgba(30,   90, 200, 0.22),
            0 0 380px 155px rgba(10,   50, 140, 0.13),
            0 0 580px 230px rgba(0,    25,  95, 0.07),
            inset -120px  -80px 160px rgba(0,   0,   0,   0.80),
            inset  -60px  -40px  80px rgba(0,   0,  20,   0.50),
            inset   60px   30px  90px rgba(80,  170, 255, 0.13),
            inset   30px   10px  50px rgba(40,  210, 170, 0.10);
    }
}

/* Cloud system rotation — two layers at different speeds */
@keyframes planetClouds {
    from { transform: rotate(0deg);   }
    to   { transform: rotate(360deg); }
}
@keyframes planetCloudsReverse {
    from { transform: rotate(0deg);    }
    to   { transform: rotate(-360deg); }
}

/* Subtle atmospheric shimmer on the rim */
@keyframes atmosphereShimmer {
    0%, 100% { opacity: 0.85; }
    50%       { opacity: 1.00; }
}


/* ============================================================
   OUTER WRAPPER
   Sits behind everything. Fixed, full-screen.
   ============================================================ */
   .space-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
    /* Deep space base */
    background: linear-gradient(
        160deg,
        #00000f 0%,
        #050018 25%,
        #000820 50%,
        #020015 75%,
        #000008 100%
    );
}

/* ============================================================
   NEBULA LAYER
   ============================================================ */
.space-nebula {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 40% at 20% 30%,
            rgba(80,   0, 120, 0.45) 0%, transparent 70%),
        radial-gradient(ellipse 50% 35% at 75% 20%,
            rgba(0,   60, 160, 0.40) 0%, transparent 65%),
        radial-gradient(ellipse 40% 30% at 55% 55%,
            rgba(120,  0,  80, 0.30) 0%, transparent 60%),
        radial-gradient(ellipse 35% 25% at 85% 60%,
            rgba(0,  100, 140, 0.25) 0%, transparent 55%),
        radial-gradient(ellipse 70% 50% at 50% 10%,
            rgba(10,  20,  80, 0.60) 0%, transparent 80%);
}

/* ============================================================
   STAR LAYERS — shared base
   ============================================================ */
.space-stars {
    position: absolute;
    inset: 0;
    background-size: 100% 100%;
    will-change: opacity, transform;
    transform-origin: center center;
}

/* --- Small cool-white stars --- */
.space-stars--sm-cool {
    background-image:
        radial-gradient(1px 1px at  5%  8%,  rgba(255,255,255,0.95) 0%, transparent 100%),
        radial-gradient(1px 1px at 12% 15%,  rgba(220,235,255,0.80) 0%, transparent 100%),
        radial-gradient(1px 1px at 18%  3%,  rgba(255,255,255,0.85) 0%, transparent 100%),
        radial-gradient(1px 1px at 25% 22%,  rgba(255,255,255,0.70) 0%, transparent 100%),
        radial-gradient(1px 1px at 33% 10%,  rgba(200,220,255,0.90) 0%, transparent 100%),
        radial-gradient(1px 1px at 40% 18%,  rgba(255,255,255,0.60) 0%, transparent 100%),
        radial-gradient(1px 1px at 47%  6%,  rgba(255,255,255,0.85) 0%, transparent 100%),
        radial-gradient(1px 1px at 54% 25%,  rgba(220,235,255,0.75) 0%, transparent 100%),
        radial-gradient(1px 1px at 62% 12%,  rgba(255,255,255,0.90) 0%, transparent 100%),
        radial-gradient(1px 1px at 70%  4%,  rgba(255,255,255,0.65) 0%, transparent 100%),
        radial-gradient(1px 1px at 78% 19%,  rgba(200,220,255,0.80) 0%, transparent 100%),
        radial-gradient(1px 1px at 85%  9%,  rgba(255,255,255,0.75) 0%, transparent 100%),
        radial-gradient(1px 1px at 92% 14%,  rgba(255,255,255,0.90) 0%, transparent 100%),
        radial-gradient(1px 1px at 97%  7%,  rgba(220,235,255,0.55) 0%, transparent 100%),
        radial-gradient(1px 1px at  3% 35%,  rgba(255,255,255,0.65) 0%, transparent 100%),
        radial-gradient(1px 1px at  9% 42%,  rgba(255,255,255,0.80) 0%, transparent 100%),
        radial-gradient(1px 1px at 16% 38%,  rgba(200,220,255,0.55) 0%, transparent 100%),
        radial-gradient(1px 1px at 22% 48%,  rgba(255,255,255,0.90) 0%, transparent 100%),
        radial-gradient(1px 1px at 30% 30%,  rgba(255,255,255,0.75) 0%, transparent 100%),
        radial-gradient(1px 1px at 38% 44%,  rgba(220,235,255,0.65) 0%, transparent 100%),
        radial-gradient(1px 1px at 45% 33%,  rgba(255,255,255,0.80) 0%, transparent 100%),
        radial-gradient(1px 1px at 52% 40%,  rgba(255,255,255,0.55) 0%, transparent 100%),
        radial-gradient(1px 1px at 59% 36%,  rgba(200,220,255,0.90) 0%, transparent 100%),
        radial-gradient(1px 1px at 67% 50%,  rgba(255,255,255,0.70) 0%, transparent 100%),
        radial-gradient(1px 1px at 74% 28%,  rgba(255,255,255,0.65) 0%, transparent 100%),
        radial-gradient(1px 1px at 81% 45%,  rgba(220,235,255,0.80) 0%, transparent 100%),
        radial-gradient(1px 1px at 88% 32%,  rgba(255,255,255,0.55) 0%, transparent 100%),
        radial-gradient(1px 1px at 94% 41%,  rgba(255,255,255,0.90) 0%, transparent 100%),
        radial-gradient(1px 1px at  7% 55%,  rgba(200,220,255,0.45) 0%, transparent 100%),
        radial-gradient(1px 1px at 14% 62%,  rgba(255,255,255,0.65) 0%, transparent 100%),
        radial-gradient(1px 1px at 21% 58%,  rgba(255,255,255,0.55) 0%, transparent 100%),
        radial-gradient(1px 1px at 28% 65%,  rgba(220,235,255,0.70) 0%, transparent 100%),
        radial-gradient(1px 1px at 36% 52%,  rgba(255,255,255,0.45) 0%, transparent 100%),
        radial-gradient(1px 1px at 43% 60%,  rgba(255,255,255,0.65) 0%, transparent 100%),
        radial-gradient(1px 1px at 50% 55%,  rgba(200,220,255,0.55) 0%, transparent 100%),
        radial-gradient(1px 1px at 57% 68%,  rgba(255,255,255,0.80) 0%, transparent 100%),
        radial-gradient(1px 1px at 64% 53%,  rgba(255,255,255,0.45) 0%, transparent 100%),
        radial-gradient(1px 1px at 72% 63%,  rgba(220,235,255,0.65) 0%, transparent 100%),
        radial-gradient(1px 1px at 79% 57%,  rgba(255,255,255,0.70) 0%, transparent 100%),
        radial-gradient(1px 1px at 86% 70%,  rgba(255,255,255,0.55) 0%, transparent 100%),
        radial-gradient(1px 1px at 93% 56%,  rgba(200,220,255,0.65) 0%, transparent 100%);
    animation: twinkle-a 6s ease-in-out infinite;
}

/* --- Small warm-white stars --- */
.space-stars--sm-warm {
    background-image:
        radial-gradient(1px 1px at 11% 18%,  rgba(255,250,220,0.90) 0%, transparent 100%),
        radial-gradient(1px 1px at 29% 11%,  rgba(255,255,255,0.80) 0%, transparent 100%),
        radial-gradient(1px 1px at 46% 27%,  rgba(255,245,200,0.85) 0%, transparent 100%),
        radial-gradient(1px 1px at 63% 14%,  rgba(255,255,255,0.75) 0%, transparent 100%),
        radial-gradient(1px 1px at 82% 22%,  rgba(255,250,210,0.80) 0%, transparent 100%),
        radial-gradient(1px 1px at 96% 18%,  rgba(255,255,255,0.70) 0%, transparent 100%),
        radial-gradient(1px 1px at  4% 51%,  rgba(255,245,200,0.65) 0%, transparent 100%),
        radial-gradient(1px 1px at 20% 60%,  rgba(255,255,255,0.75) 0%, transparent 100%),
        radial-gradient(1px 1px at 37% 54%,  rgba(255,250,220,0.60) 0%, transparent 100%),
        radial-gradient(1px 1px at 56% 62%,  rgba(255,255,255,0.70) 0%, transparent 100%),
        radial-gradient(1px 1px at 73% 48%,  rgba(255,245,200,0.65) 0%, transparent 100%),
        radial-gradient(1px 1px at 90% 59%,  rgba(255,255,255,0.60) 0%, transparent 100%),
        radial-gradient(1px 1px at 13% 79%,  rgba(255,250,210,0.55) 0%, transparent 100%),
        radial-gradient(1px 1px at 44% 82%,  rgba(255,255,255,0.50) 0%, transparent 100%),
        radial-gradient(1px 1px at 78% 76%,  rgba(255,245,200,0.55) 0%, transparent 100%),
        radial-gradient(1px 1px at 26% 35%,  rgba(255,250,220,0.70) 0%, transparent 100%),
        radial-gradient(1px 1px at 51% 41%,  rgba(255,255,255,0.65) 0%, transparent 100%),
        radial-gradient(1px 1px at 67% 73%,  rgba(255,245,200,0.60) 0%, transparent 100%),
        radial-gradient(1px 1px at 84% 85%,  rgba(255,255,255,0.50) 0%, transparent 100%),
        radial-gradient(1px 1px at  8% 88%,  rgba(255,250,210,0.45) 0%, transparent 100%);
    animation: twinkle-b 10s ease-in-out infinite;
    animation-delay: -1.7s;
}

/* --- Medium 2px stars --- */
.space-stars--md {
    background-image:
        radial-gradient(2px 2px at 10% 20%,  rgba(255,255,255,1.00) 0%, transparent 100%),
        radial-gradient(2px 2px at 35%  5%,  rgba(200,220,255,0.95) 0%, transparent 100%),
        radial-gradient(2px 2px at 60% 30%,  rgba(255,255,255,1.00) 0%, transparent 100%),
        radial-gradient(2px 2px at 80% 12%,  rgba(255,240,200,0.90) 0%, transparent 100%),
        radial-gradient(2px 2px at 95% 25%,  rgba(255,255,255,1.00) 0%, transparent 100%),
        radial-gradient(2px 2px at 15% 50%,  rgba(200,230,255,0.85) 0%, transparent 100%),
        radial-gradient(2px 2px at 48% 15%,  rgba(255,255,255,0.95) 0%, transparent 100%),
        radial-gradient(2px 2px at 72% 42%,  rgba(255,250,220,0.90) 0%, transparent 100%),
        radial-gradient(2px 2px at 25% 70%,  rgba(255,255,255,0.80) 0%, transparent 100%),
        radial-gradient(2px 2px at 55% 78%,  rgba(200,220,255,0.85) 0%, transparent 100%),
        radial-gradient(2px 2px at 88% 65%,  rgba(255,250,220,0.80) 0%, transparent 100%),
        radial-gradient(2px 2px at  5% 75%,  rgba(255,255,255,0.75) 0%, transparent 100%);
    animation: twinkle-c 12s ease-in-out infinite;
    animation-delay: -3.1s;
}

/* --- Large 3-4px hero stars --- */
.space-stars--lg {
    background-image:
        radial-gradient(3px 3px at 20% 10%,
            rgba(255,255,255,1.00) 0%,
            rgba(255,255,255,0.15) 50%,
            transparent 100%),
        radial-gradient(3px 3px at 65%  8%,
            rgba(180,210,255,1.00) 0%,
            rgba(180,210,255,0.15) 50%,
            transparent 100%),
        radial-gradient(3px 3px at 90% 35%,
            rgba(255,255,255,1.00) 0%,
            rgba(255,255,255,0.15) 50%,
            transparent 100%),
        radial-gradient(3px 3px at 42% 45%,
            rgba(255,240,180,1.00) 0%,
            rgba(255,240,180,0.15) 50%,
            transparent 100%),
        radial-gradient(3px 3px at  5% 28%,
            rgba(200,230,255,1.00) 0%,
            rgba(200,230,255,0.15) 50%,
            transparent 100%),
        radial-gradient(3px 3px at 55% 17%,
            rgba(255,255,255,1.00) 0%,
            rgba(255,255,255,0.15) 50%,
            transparent 100%),
        radial-gradient(4px 4px at 78% 55%,
            rgba(255,240,200,1.00) 0%,
            rgba(255,240,200,0.10) 40%,
            transparent 100%),
        radial-gradient(4px 4px at 33% 50%,
            rgba(180,215,255,1.00) 0%,
            rgba(180,215,255,0.10) 40%,
            transparent 100%),
        radial-gradient(4px 4px at 15% 85%,
            rgba(255,255,255,1.00) 0%,
            rgba(255,255,255,0.10) 40%,
            transparent 100%),
        radial-gradient(4px 4px at 70% 80%,
            rgba(200,225,255,1.00) 0%,
            rgba(200,225,255,0.10) 40%,
            transparent 100%);
    animation: twinkle-d 15s ease-in-out infinite;
    animation-delay: -4.5s;
}


/* ============================================================
   PLANET — EARTH-LIKE WATER WORLD
   Large, peeking up from the bottom of the viewport.
   ============================================================ */
   .space-planet {
    position: absolute;
    bottom: 460px;
    left: 92%;
    transform: translateX(-50%);
    width:  clamp(400px, 160vw, 150px);
    height: clamp(400px, 160vw, 150px);
    border-radius: 50%;
    z-index: 3;
    pointer-events: none;
    opacity: 1;

    background:
        /* ---- POLAR ICE CAPS ---- */
        /* North pole — top of sphere */
        radial-gradient(ellipse 55% 8% at 50% 2%,
            rgba(220, 235, 255, 0.75) 0%,
            rgba(200, 220, 255, 0.40) 50%,
            transparent 100%),
        /* South pole — bottom of sphere */
        radial-gradient(ellipse 65% 10% at 50% 98%,
            rgba(230, 240, 255, 0.80) 0%,
            rgba(210, 225, 255, 0.45) 50%,
            transparent 100%),
        /* Arctic ice sheet fringe */
        radial-gradient(ellipse 40% 5% at 35% 5%,
            rgba(210, 228, 255, 0.55) 0%, transparent 100%),
        radial-gradient(ellipse 35% 4% at 68% 4%,
            rgba(215, 230, 255, 0.50) 0%, transparent 100%),

        /* ---- CONTINENTS ---- */
        /* North America — upper left quadrant */
        radial-gradient(ellipse 14% 18% at 22% 25%,
            rgba(120, 155,  60, 0.92) 0%,
            rgba( 95, 135,  45, 0.75) 40%,
            transparent 80%),
        /* Greenland */
        radial-gradient(ellipse 6% 8% at 32% 12%,
            rgba(200, 218, 255, 0.70) 0%,
            rgba(180, 205, 255, 0.40) 60%,
            transparent 100%),
        /* Central America / Caribbean stub */
        radial-gradient(ellipse 4% 5% at 24% 38%,
            rgba(100, 150,  50, 0.70) 0%, transparent 80%),

        /* Europe */
        radial-gradient(ellipse 8% 10% at 48% 20%,
            rgba(130, 160,  70, 0.88) 0%,
            rgba(110, 145,  55, 0.65) 50%,
            transparent 85%),
        /* Scandinavia */
        radial-gradient(ellipse 4% 7% at 50% 13%,
            rgba(140, 165,  80, 0.75) 0%, transparent 80%),

        /* Africa */
        radial-gradient(ellipse 10% 18% at 50% 42%,
            rgba(185, 155,  60, 0.90) 0%,
            rgba(160, 130,  45, 0.75) 35%,
            rgba(100, 145,  50, 0.55) 65%,
            transparent 85%),
        /* Sahara highlight */
        radial-gradient(ellipse 8% 7% at 49% 34%,
            rgba(210, 185,  90, 0.60) 0%, transparent 70%),
        /* Sub-Saharan green */
        radial-gradient(ellipse 7% 8% at 52% 50%,
            rgba(60,  140,  50, 0.65) 0%, transparent 75%),

        /* Asia — large mass, right of centre */
        radial-gradient(ellipse 22% 16% at 65% 22%,
            rgba(140, 160,  65, 0.90) 0%,
            rgba(115, 140,  50, 0.72) 40%,
            transparent 80%),
        /* Siberia / tundra desaturation */
        radial-gradient(ellipse 16% 8% at 66% 14%,
            rgba(155, 170,  90, 0.55) 0%, transparent 70%),
        /* Indian subcontinent */
        radial-gradient(ellipse 5% 9% at 63% 37%,
            rgba(170, 155,  60, 0.78) 0%, transparent 75%),
        /* South-East Asia archipelago */
        radial-gradient(ellipse 7% 6% at 75% 42%,
            rgba(80,  150,  55, 0.70) 0%, transparent 70%),

        /* Australia */
        radial-gradient(ellipse 9% 7% at 76% 58%,
            rgba(200, 155,  60, 0.85) 0%,
            rgba(175, 130,  45, 0.65) 50%,
            transparent 82%),
        /* Australian coast green fringe */
        radial-gradient(ellipse 10% 8% at 76% 59%,
            transparent 60%,
            rgba(90,  140,  50, 0.35) 75%,
            transparent 90%),

        /* South America */
        radial-gradient(ellipse 8% 14% at 28% 52%,
            rgba(60,  150,  50, 0.88) 0%,
            rgba(45,  130,  40, 0.72) 40%,
            transparent 80%),
        /* Andes ridge */
        radial-gradient(ellipse 2% 12% at 24% 52%,
            rgba(155, 140,  75, 0.60) 0%, transparent 70%),
        /* Amazon basin vivid green */
        radial-gradient(ellipse 6% 8% at 29% 54%,
            rgba(30,  160,  55, 0.70) 0%, transparent 65%),

        /* Antarctica ice sheet */
        radial-gradient(ellipse 55% 12% at 50% 96%,
            rgba(235, 245, 255, 0.85) 0%,
            rgba(215, 230, 255, 0.55) 60%,
            transparent 100%),

        /* ---- OCEAN BASE — layered depth ---- */
        /* Shallow coastal waters — teal/cyan */
        radial-gradient(ellipse 120% 120% at 50% 50%,
            rgba(20,  100, 160, 0.25) 0%,
            transparent 35%),
        /* Pacific — deep blue */
        radial-gradient(ellipse 50% 60% at 15% 50%,
            rgba(5,   50, 120, 0.30) 0%, transparent 70%),
        /* Atlantic */
        radial-gradient(ellipse 30% 55% at 40% 48%,
            rgba(8,   55, 130, 0.22) 0%, transparent 65%),
        /* Indian Ocean */
        radial-gradient(ellipse 28% 35% at 62% 52%,
            rgba(5,   60, 140, 0.20) 0%, transparent 65%),

        /* Core ocean gradient */
        radial-gradient(ellipse 100% 100% at 50% 50%,
            #0d3a5c 0%,
            #082d4e 15%,
            #061f38 30%,
            #051628 50%,
            #030c1a 70%,
            #010508 100%);

    animation: planetPulse 8s ease-in-out infinite;
}

/* ============================================================
   ATMOSPHERE LAYER — blue haze rim around the planet
   Uses a pseudo-element stretched slightly beyond the planet
   ============================================================ */
.space-planet::before {
    content: '';
    position: absolute;
    /* Extend 1.5% beyond planet edge for limb glow */
    inset: -1.5%;
    border-radius: 50%;
    z-index: 4;
    pointer-events: none;

    background:
        /* Blue atmospheric limb — visible on lit side */
        radial-gradient(ellipse 100% 100% at 50% 50%,
            transparent 82%,
            rgba(80,  150, 255, 0.18) 88%,
            rgba(50,  110, 220, 0.30) 93%,
            rgba(30,   70, 180, 0.20) 97%,
            transparent 100%),
        /* Cloud band 1 — equatorial */
        radial-gradient(ellipse 90% 7% at 50% 38%,
            rgba(255, 255, 255, 0.16) 0%, transparent 100%),
        /* Cloud band 2 — mid latitude */
        radial-gradient(ellipse 70% 5% at 35% 26%,
            rgba(255, 255, 255, 0.12) 0%, transparent 100%),
        /* Cloud band 3 */
        radial-gradient(ellipse 80% 6% at 60% 52%,
            rgba(240, 248, 255, 0.10) 0%, transparent 100%),
        /* Cloud band 4 — high latitude */
        radial-gradient(ellipse 60% 5% at 45% 65%,
            rgba(255, 255, 255, 0.09) 0%, transparent 100%),
        /* Polar cloud mass — north */
        radial-gradient(ellipse 45% 12% at 50% 8%,
            rgba(255, 255, 255, 0.20) 0%, transparent 100%),
        /* Polar cloud mass — south */
        radial-gradient(ellipse 55% 14% at 50% 93%,
            rgba(255, 255, 255, 0.22) 0%, transparent 100%);

    animation: planetClouds 45s linear infinite,
               atmosphereShimmer 8s ease-in-out infinite;
}

/* ============================================================
   LIGHTING LAYER — specular highlight, terminator, deep shadow
   ============================================================ */
.space-planet::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    z-index: 5;
    pointer-events: none;

    background:
        /* ---- SUN GLINT — ocean specular reflection ---- */
        radial-gradient(ellipse 12% 10% at 32% 28%,
            rgba(255, 255, 240, 0.55) 0%,
            rgba(255, 255, 255, 0.20) 30%,
            transparent 70%),

        /* ---- BROAD SPECULAR HIGHLIGHT — lit hemisphere ---- */
        radial-gradient(ellipse 45% 40% at 30% 25%,
            rgba(255, 255, 255, 0.14) 0%,
            rgba(200, 230, 255, 0.06) 50%,
            transparent 80%),

        /* ---- ATMOSPHERIC SCATTER on lit edge ---- */
        radial-gradient(ellipse 25% 80% at 8% 50%,
            rgba(100, 180, 255, 0.10) 0%,
            transparent 70%),

        /* ---- TERMINATOR — gradual day/night boundary ---- */
        /* Soft penumbra */
        radial-gradient(ellipse 40% 100% at 82% 50%,
            transparent 0%,
            rgba(0,  10,  30, 0.25) 40%,
            rgba(0,   5,  20, 0.55) 65%,
            rgba(0,   0,  10, 0.75) 80%,
            transparent 100%),
        /* Hard shadow — night side */
        radial-gradient(ellipse 55% 100% at 96% 50%,
            rgba(0, 0, 0, 0.88) 0%,
            rgba(0, 0, 0, 0.60) 40%,
            rgba(0, 0, 0, 0.10) 70%,
            transparent 100%),

        /* ---- CURVATURE SHADOW — bottom limb depth ---- */
        radial-gradient(ellipse 100% 30% at 50% 95%,
            rgba(0, 0, 0, 0.50) 0%,
            rgba(0, 0, 0, 0.20) 50%,
            transparent 100%);
}



/* =====================
   HEADER & LANGUAGE SELECTOR
   ===================== */
header {
    position: fixed;        /* Fixed so it stays visible while scrolling */
    top: 10px;
    right: 10px;
    z-index: 99999;         /* Must be above everything including menu and cursor */
    pointer-events: auto;   /* Ensure clicks are received */
}

.language-selector {
    display: flex;
    align-items: center;
    gap: 8px;
}

select#language-selector {
    font-size: 16px;
    padding: 5px;
    cursor: pointer;
    position: relative;
    z-index: 99999;
    pointer-events: auto;
}

button#language-toggle-btn {
    font-size: 14px;
    padding: 6px 12px;
    cursor: pointer;
    background-color: rgba(255, 255, 255, 0.15);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 4px;
    position: relative;
    z-index: 99999;
    pointer-events: auto;   /* Explicitly allow clicks */
    transition: background-color 0.2s ease;
}

button#language-toggle-btn:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

/* =====================
   CURSOR TRAIL
   ===================== */
#cursor-trail {
    position: fixed;        /* Fixed so it follows the viewport */
    width: 5px;
    height: 5px;
    background: white;
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.7),
                0 0 20px rgba(255, 255, 255, 0.5);
    pointer-events: none;   /* CRITICAL: never blocks clicks */
    z-index: 9998;          /* Just below header, above everything else */
    animation: trail 0.5s infinite;
}

@keyframes trail {
    0% {
        opacity: 1;
        transform: scale(1);
    }
    100% {
        opacity: 0;
        transform: scale(0);
    }
}

/* =====================
   BANNER
   ===================== */
#banner {
    position: fixed;
    top: 0;
    left: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: rgb(129, 128, 120);
    padding-left: 20px;
    z-index: 100;           /* Below header, above content */
    pointer-events: none;   /* Banner text should not block clicks */
}

/* =====================
   MENU
   ===================== */
#menu-area {
    position: fixed;
    width: 100%;
    height: 10%;
    background: transparent;
    text-align: center;
    z-index: 500;           /* Below header (99999) so header stays on top */
    pointer-events: auto;
}

#menu {
    background: transparent;
    padding: 0px;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    transition: opacity 1s;
    font-family: Helvetica;
    color: white;
    font-weight: bold;
    display: block;
    cursor: pointer;
    z-index: 500;
}

/* =====================
   MENU BAR & ITEMS
   ===================== */
.menu-bar {
    display: inline-flex;
    background: transparent;
}

.menu-item {
    position: relative;
    color: white;
    padding: 15px 20px;
    cursor: pointer;
    text-align: left;
}

.sub-menu {
    display: none;          /* Hidden by default */
    position: absolute;
    left: 0;
    background: transparent;
    z-index: 600;
}

.menu-item:hover .sub-menu {
    display: block;       /* Show on parent hover */        
}

.sub-menu a {
    text-decoration: none;
    color: rgb(232, 238, 183);
    font-size: small;
    display: block;
    margin-top: 2px;
    pointer-events: auto;
}


/* =====================
   SHARED TEXT GLOW STYLES
   =====================
   Instead of a card background, we use text
   shadows to create a dark halo around text.
   This makes text readable against stars
   without hiding the background.
   ===================== */

/* Heading glow — luminous cosmic blue */
.space-heading-glow {
    text-shadow:
        0 0 8px  rgba(100, 200, 255, 0.6),
        0 0 20px rgba(100, 200, 255, 0.3),
        0 0 40px rgba(60, 120, 200, 0.15),
        0 2px 4px rgba(0, 0, 0, 0.8);
}

/* Body text glow — dark halo for readability */
.space-text-glow {
    text-shadow:
        0 0 6px  rgba(0, 0, 0, 0.9),
        0 0 12px rgba(0, 0, 0, 0.7),
        0 0 24px rgba(0, 0, 0, 0.5),
        0 1px 3px rgba(0, 0, 0, 1);
}

/* ============================================================
   SECTION 1 — HOME
   Three equal columns, fully responsive
   ============================================================ */
   #section1 {
    position: relative;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;                 /* allows textmain to sit below */
    align-items: stretch;
    justify-content: center;
    gap: clamp(12px, 2.5vw, 40px);

    width: 100%;
    min-height: 100vh;
    padding: clamp(12px, 3vh, 40px) clamp(12px, 3vw, 48px);
    box-sizing: border-box;
    overflow: hidden;
    background: transparent;
}

/* ============================================================
   CONTENT BLOCKS — three equal columns
   ============================================================ */
.content1-block {
    flex: 1 1 0;
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: clamp(10px, 2vh, 24px);
    padding: clamp(8px, 1.5vw, 20px);
    box-sizing: border-box;
    text-align: center;
}

/* ============================================================
   IMAGE WRAPPER
   ============================================================ */
.image-wrapper {
    width: 100%;
    height: clamp(140px, 32vh, 440px);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-radius: 8%;
    flex-shrink: 0;
}

/* ============================================================
   IMAGES — uniform sizing
   ============================================================ */
.hidden-image0,
.hidden-image,
.hidden-image1 {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    border-radius: 8%;
    max-width: unset;
    max-height: unset;
}

/* ============================================================
   HEADINGS — fluid, equal scale across all three blocks
   ============================================================ */
.text1a,
.text2a,
.text3a {
    font-family: Helvetica, Arial, sans-serif;
    font-size: clamp(1.2rem, 2vw + 0.4rem, 2.4rem);
    line-height: 1.25;
    color: white;
    white-space: normal;
    word-break: break-word;
    width: 100%;
    margin: 0;
    padding: 0;
    display: block;
    position: static;
}

/* ============================================================
   ANIMATION — Group A  (Block 1)
   Appears 1s → visible until 5s → fades out by 9s
   ============================================================ */
.text1a {
    opacity: 0;
    transform: translateY(20px);
    animation:
        fadeInUp  3s 1s ease-in  forwards,
        fadeOut   4s 5s ease-out forwards;
}

.hidden-image0 {
    opacity: 0;
    transform: translateY(20px);
    animation:
        fadeInUp  2s 2s ease-in  forwards,
        fadeOut   4s 5s ease-out forwards;
}

/* ============================================================
   ANIMATION — Group B  (Block 2)
   Appears 3s → visible until 7s → fades out by 11s
   ============================================================ */
.hidden-text {
    opacity: 0;
    transform: translateY(20px);
    animation:
        fadeInUp  3s 3s ease-in  forwards,
        fadeOut   4s 7s ease-out forwards;
}

.text2a {
    opacity: 0;
    transform: translateY(20px);
    animation:
        fadeInUp  3s 3s ease-in  forwards,
        fadeOut   4s 7s ease-out forwards;
}

.hidden-image {
    opacity: 0;
    transform: translateY(20px);
    animation:
        fadeInUp  3s 3s ease-in  forwards,
        fadeOut   4s 7s ease-out forwards;
}

/* ============================================================
   ANIMATION — Group C  (Block 3)
   Slides in from right at 4s → visible until 9s → fades out by 13s
   ============================================================ */
.hidden-text0 {
    opacity: 0;
    transform: translateX(40px);
    animation:
        fadeInRight  4s 4s ease-out forwards,
        fadeOut      4s 9s ease-out forwards;
}

.text3a {
    opacity: 0;
    transform: translateX(40px);
    animation:
        fadeInRight  4s 4s ease-out forwards,
        fadeOut      4s 9s ease-out forwards;
}

.hidden-image1 {
    opacity: 0;
    transform: translateX(40px);
    animation:
        fadeInRight  4s 4s ease-out forwards,
        fadeOut      4s 9s ease-out forwards;
}

/* ============================================================
   MAIN TEXT — flies in AFTER all three blocks have faded out
   Full width so it sits below the three-column row
   ============================================================ */
.textmain-block {
    flex: 0 0 100%;              /* force onto its own row         */
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(20px, 4vh, 60px) clamp(12px, 3vw, 48px);
    box-sizing: border-box;
    min-height: 0;
}

.textmain {
    font-family: Helvetica, Arial, sans-serif;
    font-size: clamp(1.4rem, 2.5vw + 0.5rem, 3rem);
    font-weight: 700;
    line-height: 1.3;
    color: white;
    white-space: normal;
    word-break: break-word;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    padding: 0;
    text-align: center;
    z-index: 100;

    /* ── Start state: invisible, shifted right ── */
    opacity: 0;
    transform: translateX(60px);

    /* ── Fly in AFTER all images are gone ──
       delay: 13s  (Block 3 fadeOut finishes at ~13s)
       duration: 1.8s for a smooth entrance
       stays visible (forwards)                          */
    animation: flyIn 1.8s 13s ease-out forwards;
}

/* ============================================================
   KEYFRAMES
   ============================================================ */

/* Slide up + fade in */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Slide in from right + fade in */
@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Fade out only */
@keyframes fadeOut {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}

/* ── FLY IN — main text entrance ──
   Slides in from the right with a fade              */
@keyframes flyIn {
    0% {
        opacity: 0;
        transform: translateX(60px);
    }
    60% {
        opacity: 1;
        transform: translateX(-8px);   /* slight overshoot for bounce feel */
    }
    80% {
        transform: translateX(3px);    /* settle back */
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ============================================================
   RESPONSIVE — stack columns on small screens
   ============================================================ */
@media screen and (max-width: 768px) {

    #section1 {
        flex-direction: column;
        align-items: center;
        gap: clamp(10px, 3vh, 30px);
        min-height: auto;
        padding: clamp(10px, 2vh, 24px) clamp(10px, 4vw, 24px);
    }

    .content1-block {
        flex: 0 0 auto;
        width: 100%;
        max-width: 500px;
    }

    .image-wrapper {
        height: clamp(160px, 40vw, 300px);
    }

    .text1a,
    .text2a,
    .text3a {
        font-size: clamp(1rem, 4vw, 1.6rem);
    }

    .textmain {
        font-size: clamp(1.2rem, 5vw, 2rem);
    }

    .textmain-block {
        padding: 20px 15px;
    }
}


/* ============================================================
   RESPONSIVE — Tablet portrait (600 px – 899 px)
   Two columns; third wraps to a centred second row
   ============================================================ */
@media (max-width: 899px) {
    #section1 {
        flex-wrap: wrap;
        align-items: flex-start;
        min-height: 100vh;
        height: auto;
        overflow-y: auto;
        padding: clamp(16px, 4vh, 40px) clamp(12px, 4vw, 32px);
    }

    .content1-block {
        /* Each block takes ~48% so two sit side by side */
        flex: 1 1 calc(50% - clamp(12px, 2.5vw, 40px));
        max-width: calc(50% - clamp(12px, 2.5vw, 40px));
        justify-content: flex-start;
    }

    .image-wrapper {
        height: clamp(120px, 28vw, 300px);
    }

    .text1a,
    .text2a,
    .text3a {
        font-size: clamp(1.1rem, 3.5vw, 1.8rem);
    }
}

/* ============================================================
   RESPONSIVE — Mobile (≤ 599 px)
   Single column, vertically scrollable
   ============================================================ */
@media (max-width: 599px) {
    #section1 {
        flex-direction: column;
        flex-wrap: nowrap;
        align-items: center;
        justify-content: flex-start;
        height: auto;
        min-height: 100vh;
        overflow-y: auto;
        gap: clamp(24px, 5vh, 48px);
        padding: clamp(20px, 5vh, 48px) clamp(16px, 5vw, 28px);
    }

    .content1-block {
        flex: 0 0 auto;
        width: 100%;
        max-width: 480px;
        justify-content: flex-start;
    }

    .image-wrapper {
        /* Square-ish on mobile for visual balance */
        height: clamp(180px, 55vw, 340px);
        border-radius: 6%;
    }

    .hidden-image0,
    .hidden-image,
    .hidden-image1 {
        border-radius: 6%;
    }

    .text1a,
    .text2a,
    .text3a {
        font-size: clamp(1.4rem, 5.5vw, 2rem);
    }
}

/* =====================
   SECTION 2 - PORTFOLIO
   ===================== */
#section2 {
    position: relative;          /* REQUIRED for z-index to work */
    z-index: 10;                 /* Above stars (2) and nebula (0) */
    margin: 0 auto;             /* Centered horizontally */
    padding: clamp(40px, 8vw, 100px) clamp(20px, 5vw, 80px);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
}

.content2 {
    display: block;
    padding: clamp(30px, 5vw, 75px);
    font-family: Helvetica, sans-serif;
    font-size: 1em;
    color: white;
    text-align: center;
    position: relative;          /* REQUIRED for z-index to work */
    z-index: 10;                 /* Above stars and nebula */
    max-width: min(900px, 90vw);
    width: 100%;
}

.content2 h1 {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    margin-bottom: 1rem;
    color: #a0e8ff;
    text-shadow: 0 0 20px rgba(100, 200, 255, 0.3);
}

.content2 p {
    font-size: clamp(0.9rem, 2vw, 1.1rem);
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.85);
    max-width: 700px;
    margin: 0 auto;
}

/* =====================
   SECTION 3 - Leadership
   ===================== */
   #section3 {
    position: relative;          /* REQUIRED for z-index to work */
    z-index: 10;                 /* Above stars (2) and nebula (0) */
    margin: 0 auto;             /* Centered horizontally */
    padding: clamp(40px, 8vw, 100px) clamp(20px, 5vw, 80px);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
}

.content3 {
    display: block;
    padding: clamp(30px, 5vw, 75px);
    font-family: Helvetica, sans-serif;
    font-size: 1em;
    color: white;
    text-align: center;
    position: relative;          /* REQUIRED for z-index to work */
    z-index: 10;                 /* Above stars and nebula */
    max-width: min(900px, 90vw);
    width: 100%;
}

.content3 h1 {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    margin-bottom: 1rem;
    color: #a0e8ff;
    text-shadow: 0 0 20px rgba(100, 200, 255, 0.3);
}

.content3 p {
    font-size: clamp(0.9rem, 2vw, 1.1rem);
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.85);
    max-width: 700px;
    margin: 0 auto;
}

/* =====================
   SECTION 5 - PORTFOLIO
   ===================== */
#section5 {
    position: relative;
    z-index: 10;
    margin: 0 auto;
    padding: clamp(40px, 8vw, 100px) clamp(20px, 5vw, 80px);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
}

.content5 {
    display: block;
    padding: clamp(30px, 5vw, 75px);
    font-family: Helvetica, sans-serif;
    font-size: 1em;
    color: white;
    text-align: center;
    position: relative;
    z-index: 10;
    max-width: min(900px, 90vw);
    width: 100%;
}

.content5 h1 {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    margin-bottom: 1rem;
    color: #a0e8ff;
    text-shadow: 0 0 20px rgba(100, 200, 255, 0.3);
}

.content5 p {
    font-size: clamp(0.9rem, 2vw, 1.1rem);
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.85);
    max-width: 700px;
    margin: 0 auto;
}

/* =====================
   SECTION 10 - CONTACT
   ===================== */
#section10 {
    position: relative;
    z-index: 10;
    margin: 0 auto;
    padding: clamp(40px, 8vw, 100px) clamp(20px, 5vw, 80px);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
}

.content10 {
    display: block;
    padding: clamp(30px, 5vw, 75px);
    font-family: Helvetica, sans-serif;
    font-size: 1em;
    color: white;
    text-align: center;
    position: relative;
    z-index: 10;
    max-width: min(900px, 90vw);
    width: 100%;
}

.content10 h1 {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    margin-bottom: 1rem;
    color: #a0e8ff;
    text-shadow: 0 0 20px rgba(100, 200, 255, 0.3);
}

.content10 p {
    font-size: clamp(0.9rem, 2vw, 1.1rem);
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.85);
}

.contact-link {
    color: rgb(232, 238, 183);
    text-decoration: none;
    transition: color 0.2s ease;
}

.contact-link:hover,
.contact-link:focus {
    color: #ffffff;
    text-decoration: underline;
}

/* =====================
   SECTION INNER (shared)
   ===================== */
.section-inner {
    width: 100%;
    max-width: min(900px, 96vw);
    margin: 0 auto;
    padding: clamp(10px, 3vw, 20px);
    position: relative;
    z-index: 10;
}

/* =====================
   MOBILE RESPONSIVE
   ===================== */
@media (max-width: 768px) {

    #section2,
    #section5,
    #section10 {
        padding: clamp(20px, 5vw, 40px) clamp(12px, 4vw, 24px);
        min-height: auto;
    }

    .content2,
    .content5,
    .content10 {
        padding: clamp(20px, 4vw, 40px);
        border-radius: 8px;
    }

    .content2 h1,
    .content5 h1,
    .content10 h1 {
        font-size: clamp(1.3rem, 5vw, 1.8rem);
    }
}

.content10 {
    display: block;
    padding: 75px;
    font-family: Helvetica;
    font-size: 1em;
    color: white;
    text-align: center;
}