/* =========================================================
   NOVA SPACE EXPLORATION
   CINEMATIC INTERFACE
   THREE.JS R128
========================================================= */

/* =========================================================
   1. GLOBAL CONFIGURATION
========================================================= */

* {
    box-sizing: border-box;
}

html, body {
    width: 100%;
    min-height: 100%;
    margin: 0;
    overflow-x: hidden;
}

img, video, canvas {
    max-width: 100%;
}

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;600;700;800&family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    --bg: #070b13;
    --bg-soft: #0c1421;
    --panel: rgba(12, 20, 33, 0.88);
    --panel-solid: #101a29;

    --white: #f3f7fc;
    --muted: #8d9aaa;
    --muted-dark: #566477;

    --blue: #65d9ff;
    --blue-light: #a8ecff;
    --blue-dark: #1a769b;

    --orange: #e59b62;

    --border: rgba(157, 190, 220, 0.15);

    --font-main: 'Inter', sans-serif;
    --font-tech: 'Orbitron', sans-serif;

    --transition: 0.35s ease;
}


* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}


html {
    scroll-behavior: smooth;
    scrollbar-color: #31475d #070b13;
}


body {
    min-height: 100vh;
    background: var(--bg);
    color: var(--white);
    font-family: var(--font-main);
    overflow-x: hidden;
}


button,
select {
    font-family: inherit;
}


button {
    cursor: pointer;
}


button:focus-visible,
select:focus-visible {
    outline: 2px solid var(--blue);
    outline-offset: 4px;
}


::selection {
    background: var(--blue);
    color: #07111c;
}


.hidden {
    display: none !important;
}


#app {
    min-height: 100vh;
    position: relative;
}


/* =========================================================
   2. HEADER
========================================================= */

.topbar {
    width: 100%;
    height: 78px;

    position: absolute;
    top: 0;
    left: 0;

    z-index: 50;

    display: flex;
    align-items: center;
    justify-content: space-between;

    padding: 0 7%;

    background: linear-gradient(
        to bottom,
        rgba(3, 8, 16, 0.85),
        rgba(3, 8, 16, 0)
    );

    border-bottom: 1px solid rgba(255,255,255,0.04);
}


.brand {
    display: flex;
    align-items: center;
    gap: 12px;

    color: var(--white);
    text-decoration: none;

    font-family: var(--font-tech);
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 2px;
}


.brand-mark {
    width: 36px;
    height: 36px;

    display: grid;
    place-items: center;

    border: 1px solid var(--blue);
    color: var(--blue);

    font-size: 19px;

    box-shadow:
        0 0 15px rgba(101, 217, 255, 0.12),
        inset 0 0 12px rgba(101, 217, 255, 0.08);
}


.brand-light {
    color: #91a1b4;
    font-size: 10px;
    font-weight: 400;
    letter-spacing: 1px;
}


.top-actions {
    display: flex;
    align-items: center;
    gap: 18px;
}


.status-dot,
.live-dot {
    width: 7px;
    height: 7px;

    display: inline-block;

    border-radius: 50%;

    background: #61e6a5;

    box-shadow: 0 0 12px #61e6a5;

    animation: pulse 2s infinite;
}


.status-label {
    color: #9ba9b8;
    font-size: 9px;
    letter-spacing: 1.5px;
}


#languageSelect {
    color: var(--white);
    background: rgba(10, 20, 33, 0.7);

    border: 1px solid var(--border);

    padding: 9px 12px;

    font-size: 10px;
    letter-spacing: 1px;

    outline: none;
}


#languageSelect option {
    background: #101a29;
    color: white;
}


.icon-button {
    width: 36px;
    height: 36px;

    display: grid;
    place-items: center;

    color: var(--blue);
    background: rgba(101, 217, 255, 0.07);

    border: 1px solid rgba(101, 217, 255, 0.2);

    font-size: 17px;

    transition: var(--transition);
}


.icon-button:hover {
    background: rgba(101, 217, 255, 0.18);
    box-shadow: 0 0 18px rgba(101, 217, 255, 0.2);
}


/* =========================================================
   3. SCREEN MANAGEMENT
========================================================= */

.screen {
    display: none;
    min-height: 100vh;
}


.screen.active {
    display: block;
}


.sub-screen {
    padding-top: 100px;
}


/* =========================================================
   4. HERO
========================================================= */

.hero {
    min-height: 760px;
    height: 100vh;
    max-height: 1050px;

    position: relative;

    display: flex;
    align-items: center;

    overflow: hidden;

    background:
        radial-gradient(
            ellipse at 70% 55%,
            rgba(41, 90, 133, 0.2),
            transparent 42%
        ),
        linear-gradient(
            110deg,
            #070b13 0%,
            #0b1422 48%,
            #111d2b 100%
        );
}


.hero-image {
    position: absolute;
    inset: 0;

    background-image:
        linear-gradient(
            90deg,
            rgba(5, 10, 19, 0.97) 0%,
            rgba(5, 10, 19, 0.85) 36%,
            rgba(5, 10, 19, 0.25) 100%
        ),
        linear-gradient(
            to top,
            #070b13 0%,
            transparent 38%
        ),
        url("https://images.unsplash.com/photo-1446776811953-b23d57bd21aa?q=85&w=2200&auto=format&fit=crop");

    background-position: center;
    background-size: cover;

    opacity: 0.8;

    transform: scale(1.03);

    animation: heroZoom 24s ease-in-out infinite alternate;
}


.hero-grid {
    position: absolute;
    inset: 0;

    opacity: 0.1;

    background-image:
        linear-gradient(rgba(130, 190, 220, 0.14) 1px, transparent 1px),
        linear-gradient(90deg, rgba(130, 190, 220, 0.14) 1px, transparent 1px);

    background-size: 80px 80px;

    mask-image: linear-gradient(
        to right,
        transparent,
        black 70%
    );
}


.hero-content {
    width: min(700px, 85%);
    margin-left: 11%;

    position: relative;
    z-index: 2;

    padding-top: 55px;
}


.eyebrow {
    display: flex;
    align-items: center;
    gap: 12px;

    color: var(--blue);

    font-size: 10px;
    font-weight: 600;
    letter-spacing: 2.5px;
    line-height: 1.5;
}


.eyebrow-line {
    width: 28px;
    height: 1px;

    display: inline-block;

    background: var(--blue);

    box-shadow: 0 0 8px var(--blue);
}


.hero h1 {
    margin-top: 30px;

    font-family: var(--font-tech);
    font-size: clamp(58px, 8vw, 112px);

    font-weight: 800;
    line-height: 0.99;
    letter-spacing: -5px;

    text-shadow: 0 10px 40px rgba(0,0,0,0.4);
}


.hero h1 span {
    color: transparent;

    -webkit-text-stroke: 1px rgba(218, 236, 249, 0.8);

    text-shadow: none;
}


.hero-copy {
    max-width: 470px;

    margin-top: 30px;

    color: #a7b5c5;

    font-size: 14px;
    line-height: 1.9;
    font-weight: 300;
}


.primary-button {
    min-height: 50px;

    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 28px;

    padding: 0 24px;

    margin-top: 32px;

    color: #06111a;

    background: linear-gradient(
        110deg,
        #a6eaff,
        #5bc9ed
    );

    border: 1px solid rgba(255,255,255,0.5);

    font-family: var(--font-tech);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1.3px;

    box-shadow:
        0 0 25px rgba(101, 217, 255, 0.12),
        inset 0 1px rgba(255,255,255,0.5);

    transition: var(--transition);
}


.primary-button:hover {
    transform: translateY(-3px);

    box-shadow:
        0 10px 30px rgba(101, 217, 255, 0.25),
        0 0 25px rgba(101, 217, 255, 0.2);
}


.hero-coordinate {
    position: absolute;
    right: 7%;
    bottom: 125px;

    color: rgba(218, 232, 245, 0.55);

    font-family: var(--font-tech);
    font-size: 9px;
    letter-spacing: 2px;
}


.hero-scroll {
    position: absolute;
    bottom: 42px;
    left: 11%;

    display: flex;
    align-items: center;
    gap: 13px;

    color: #8293a6;

    font-size: 9px;
    letter-spacing: 2px;
}


.hero-scroll span:first-child {
    width: 35px;
    height: 1px;

    background: var(--blue);
}


/* =========================================================
   5. MISSION SECTION
========================================================= */

.missions-section {
    padding: 110px 8% 140px;

    background:
        radial-gradient(
            ellipse at 50% 0%,
            rgba(30, 75, 111, 0.1),
            transparent 60%
        ),
        #070b13;
}


.section-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;

    gap: 35px;

    margin-bottom: 48px;
}


.section-heading h2 {
    margin-top: 17px;

    font-family: var(--font-tech);
    font-size: clamp(26px, 4vw, 39px);
    font-weight: 600;
    letter-spacing: -1px;
}


.section-note {
    max-width: 260px;

    color: var(--muted);

    font-size: 12px;
    line-height: 1.8;
    font-weight: 300;
}


.mission-grid {
    display: grid;

    grid-template-columns: repeat(4, minmax(0, 1fr));

    gap: 18px;
}


.mission-card {
    min-width: 0;

    overflow: hidden;

    background: linear-gradient(
        145deg,
        rgba(18, 31, 48, 0.96),
        rgba(9, 15, 25, 0.96)
    );

    border: 1px solid var(--border);

    transition: var(--transition);

    cursor: pointer;
}


.mission-card:hover {
    transform: translateY(-8px);

    border-color: rgba(101, 217, 255, 0.5);

    box-shadow:
        0 20px 55px rgba(0,0,0,0.35),
        0 0 25px rgba(101, 217, 255, 0.07);
}


.mission-art {
    height: 210px;

    position: relative;

    display: grid;
    place-items: center;

    overflow: hidden;

    background: #111d2a;
}


.mission-art::before {
    content: "";

    position: absolute;
    inset: 0;

    background-image:
        radial-gradient(rgba(255,255,255,0.65) 1px, transparent 1px);

    background-size: 31px 31px;

    opacity: 0.3;
}


.mission-art::after {
    content: "";

    width: 250px;
    height: 250px;

    position: absolute;

    border-radius: 50%;

    border: 1px solid rgba(255,255,255,0.08);

    box-shadow:
        0 0 50px rgba(255,255,255,0.04),
        inset 0 0 35px rgba(255,255,255,0.04);
}


.art-apollo {
    background:
        radial-gradient(circle at 50% 60%, #6d747b, transparent 55%),
        linear-gradient(135deg, #172433, #060a10);
}


.art-rover {
    background:
        radial-gradient(circle at 50% 75%, #6d7277, transparent 55%),
        linear-gradient(135deg, #243342, #0a111b);
}


.art-mars {
    background:
        radial-gradient(circle at 50% 75%, #bd6845, transparent 55%),
        linear-gradient(135deg, #452a27, #130e13);
}


.art-ingenuity {
    background:
        radial-gradient(circle at 50% 70%, #a95f40, transparent 50%),
        linear-gradient(135deg, #3d2931, #0c1019);
}


.art-orbit {
    width: 180px;
    height: 55px;

    position: absolute;

    border: 1px solid rgba(155, 216, 242, 0.45);

    border-radius: 50%;

    transform: rotate(-24deg);

    box-shadow: 0 0 18px rgba(101, 217, 255, 0.08);
}


.art-object {
    position: relative;
    z-index: 2;

    color: #d8e5ec;

    font-size: 65px;

    text-shadow:
        0 0 15px rgba(190, 230, 255, 0.5),
        0 12px 30px rgba(0,0,0,0.7);

    transition: 0.5s ease;
}


.mission-card:hover .art-object {
    transform: translateY(-8px) scale(1.08);
}


.lander-art {
    color: #d7c08c;
}


.rover-art {
    color: #d8dce0;
}


.mars-art {
    color: #e8b08a;
}


.heli-art {
    color: #d9c9a3;
}


.art-caption {
    position: absolute;
    z-index: 3;

    left: 15px;
    bottom: 13px;

    color: rgba(255,255,255,0.55);

    font-family: var(--font-tech);
    font-size: 8px;
    letter-spacing: 2px;
}


.mission-info {
    padding: 22px 19px 24px;
}


.mission-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 8px;

    color: #8294a8;

    font-family: var(--font-tech);
    font-size: 8px;
    letter-spacing: 1px;
}


.mission-tag {
    padding: 5px 7px;

    color: var(--blue);

    background: rgba(101, 217, 255, 0.08);

    border: 1px solid rgba(101, 217, 255, 0.15);
}


.mission-info h3 {
    min-height: 44px;

    margin-top: 19px;

    font-family: var(--font-tech);
    font-size: 13px;
    line-height: 1.6;
    font-weight: 600;
}


.mission-info p {
    min-height: 66px;

    margin-top: 10px;

    color: var(--muted);

    font-size: 11px;
    line-height: 1.8;
    font-weight: 300;
}


.text-button {
    display: inline-flex;
    align-items: center;
    gap: 17px;

    margin-top: 20px;
    padding: 0;

    color: var(--blue);

    background: transparent;
    border: none;

    font-family: var(--font-tech);
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 1px;

    transition: var(--transition);
}


.text-button:hover {
    gap: 25px;
    color: var(--blue-light);
}


/* =========================================================
   6. BRIEFING SCREEN
========================================================= */

.back-button {
    position: absolute;
    top: 105px;
    left: 8%;

    z-index: 5;

    padding: 10px 15px;

    color: var(--muted);

    background: rgba(255,255,255,0.03);

    border: 1px solid var(--border);

    font-size: 10px;
    letter-spacing: 1px;

    transition: var(--transition);
}


.back-button:hover {
    color: var(--blue);
    border-color: var(--blue);
}


.briefing-layout {
    width: 84%;
    max-width: 1300px;

    min-height: 650px;

    margin: 0 auto;

    display: grid;

    grid-template-columns: 1.05fr 0.95fr;

    align-items: center;

    gap: 7%;
}


.briefing-visual {
    height: 490px;

    position: relative;

    display: grid;
    place-items: center;

    overflow: hidden;

    background:
        radial-gradient(
            circle at center,
            rgba(69, 132, 169, 0.3),
            transparent 55%
        ),
        linear-gradient(145deg, #15283a, #080d17);

    border: 1px solid var(--border);
}


.briefing-visual::before {
    content: "";

    position: absolute;
    inset: 0;

    background-image:
        linear-gradient(rgba(130, 190, 220, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(130, 190, 220, 0.1) 1px, transparent 1px);

    background-size: 45px 45px;

    opacity: 0.35;
}


.briefing-planet {
    width: 230px;
    height: 230px;

    position: relative;
    z-index: 2;

    border-radius: 50%;

    background:
        radial-gradient(
            circle at 30% 28%,
            #d3d0c7,
            #727b83 45%,
            #303c49 75%,
            #111923
        );

    box-shadow:
        inset -35px -20px 55px rgba(0,0,0,0.8),
        0 0 60px rgba(117, 174, 213, 0.2),
        0 0 120px rgba(71, 130, 176, 0.12);

    animation: planetFloat 7s ease-in-out infinite;
}


.briefing-ring {
    width: 370px;
    height: 100px;

    position: absolute;
    z-index: 3;

    border: 1px solid rgba(160, 219, 242, 0.45);

    border-radius: 50%;

    transform: rotate(-20deg);

    box-shadow: 0 0 15px rgba(101, 217, 255, 0.1);
}


.briefing-code {
    position: absolute;
    left: 22px;
    bottom: 22px;

    z-index: 4;

    color: rgba(200, 220, 238, 0.55);

    font-family: var(--font-tech);
    font-size: 9px;
    letter-spacing: 2px;
}


.briefing-copy {
    padding: 35px 0;
}


.mission-number {
    margin-top: 35px;

    color: var(--blue);

    font-family: var(--font-tech);
    font-size: 10px;
    letter-spacing: 2px;
}


.briefing-copy h2 {
    margin-top: 18px;

    font-family: var(--font-tech);
    font-size: clamp(27px, 4vw, 45px);
    line-height: 1.2;
    font-weight: 700;
}


.brief-subtitle {
    margin-top: 16px;

    color: #c1d0df;

    font-size: 14px;
    line-height: 1.8;
}


.brief-description {
    margin-top: 20px;

    color: var(--muted);

    font-size: 12px;
    line-height: 2;
    font-weight: 300;
}


.brief-facts {
    display: grid;

    grid-template-columns: repeat(3, 1fr);

    gap: 10px;

    margin-top: 27px;
}


.fact-item {
    padding: 14px 10px;

    background: rgba(255,255,255,0.025);

    border: 1px solid var(--border);
}


.fact-item span {
    display: block;

    color: #8495a7;

    font-family: var(--font-tech);
    font-size: 8px;
    letter-spacing: 1px;
}


.fact-item strong {
    display: block;

    margin-top: 9px;

    color: var(--white);

    font-size: 11px;
    font-weight: 600;
}


/* =========================================================
   7. GAME SCREEN
========================================================= */

.game-screen {
    height: 100vh;
    min-height: 580px;

    position: relative;

    overflow: hidden;

    background: #070b13;
}


#three-container {
    position: absolute;
    inset: 0;

    width: 100%;
    height: 100%;

    overflow: hidden;
}


#three-container canvas {
    display: block;

    width: 100%;
    height: 100%;

    outline: none;
}


.game-vignette {
    position: absolute;
    inset: 0;

    z-index: 1;

    pointer-events: none;

    background:
        linear-gradient(
            to bottom,
            rgba(4, 9, 16, 0.7),
            transparent 22%,
            transparent 65%,
            rgba(4, 9, 16, 0.55)
        ),
        radial-gradient(
            ellipse at center,
            transparent 50%,
            rgba(0,0,0,0.35) 100%
        );
}


/* =========================================================
   8. GAME HUD
========================================================= */

.hud-top {
    position: absolute;
    top: 0;
    left: 0;

    width: 100%;

    z-index: 5;

    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 20px;

    padding: 23px 4%;

    background: linear-gradient(
        to bottom,
        rgba(5, 10, 18, 0.8),
        rgba(5, 10, 18, 0)
    );
}


.hud-label {
    display: block;

    color: var(--blue);

    font-family: var(--font-tech);
    font-size: 8px;
    letter-spacing: 2px;
}


.hud-top strong {
    display: block;

    margin-top: 7px;

    font-family: var(--font-tech);
    font-size: 12px;
    letter-spacing: 1px;
}


.hud-center {
    display: flex;
    align-items: center;
    gap: 10px;

    color: #aab7c4;

    font-family: var(--font-tech);
    font-size: 8px;
    letter-spacing: 1.5px;
}


.hud-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}


.hud-button {
    min-height: 35px;

    padding: 0 13px;

    color: #d5e1ec;

    background: rgba(10, 20, 32, 0.6);

    border: 1px solid rgba(183, 211, 235, 0.2);

    font-family: var(--font-tech);
    font-size: 8px;
    letter-spacing: 1px;

    transition: var(--transition);
}


.hud-button:hover {
    color: var(--blue);

    border-color: var(--blue);

    background: rgba(101, 217, 255, 0.1);
}


.hud-left {
    position: absolute;
    top: 130px;
    left: 4%;

    z-index: 4;

    display: flex;
    flex-direction: column;
    gap: 18px;
}


.hud-stat {
    display: flex;
    flex-direction: column;
    gap: 7px;

    padding-left: 12px;

    border-left: 1px solid var(--blue);
}


.hud-stat span {
    color: #9caec0;

    font-family: var(--font-tech);
    font-size: 8px;
    letter-spacing: 1.2px;
}


.hud-stat strong {
    color: var(--white);

    font-family: var(--font-tech);
    font-size: 11px;
    font-weight: 500;
}


.objective-box {
    max-width: 245px;

    display: flex;
    align-items: flex-start;
    gap: 12px;

    margin-top: 12px;
    padding: 15px;

    background: rgba(6, 14, 25, 0.65);

    border: 1px solid rgba(101, 217, 255, 0.2);

    backdrop-filter: blur(10px);
}


.objective-icon {
    color: var(--blue);
    font-size: 19px;
}


.objective-box small {
    display: block;

    color: var(--blue);

    font-family: var(--font-tech);
    font-size: 8px;
    letter-spacing: 1.5px;
}


.objective-box strong {
    display: block;

    margin-top: 7px;

    color: #d2deea;

    font-size: 10px;
    font-weight: 400;
    line-height: 1.7;
}


.hud-bottom {
    position: absolute;
    left: 0;
    bottom: 0;

    width: 100%;

    z-index: 4;

    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 15px;

    padding: 25px 4%;

    background: linear-gradient(
        to top,
        rgba(5, 10, 18, 0.8),
        transparent
    );
}


.control-hint {
    display: flex;
    align-items: center;
    gap: 6px;

    color: #aab8c6;

    font-family: var(--font-tech);
    font-size: 8px;
    letter-spacing: 0.5px;
}


kbd {
    min-width: 22px;
    height: 22px;

    display: grid;
    place-items: center;

    color: var(--blue);

    background: rgba(101, 217, 255, 0.08);

    border: 1px solid rgba(101, 217, 255, 0.25);

    font-family: var(--font-tech);
    font-size: 9px;
}


.crosshair {
    position: absolute;
    left: 50%;
    top: 50%;

    transform: translate(-50%, -50%);

    color: rgba(210, 238, 255, 0.8);

    font-size: 22px;
    font-weight: 300;

    pointer-events: none;

    text-shadow: 0 0 10px var(--blue);
}


.proximity {
    color: var(--blue);

    font-family: var(--font-tech);
    font-size: 8px;
    letter-spacing: 1.5px;
}


/* =========================================================
   9. DISCOVERY PANEL
========================================================= */

.discovery-panel {
    width: min(470px, 88%);

    position: absolute;
    top: 50%;
    left: 50%;

    z-index: 20;

    transform: translate(-50%, -50%);

    padding: 34px;

    background: rgba(8, 17, 29, 0.94);

    border: 1px solid rgba(101, 217, 255, 0.45);

    box-shadow:
        0 25px 80px rgba(0,0,0,0.6),
        0 0 35px rgba(101, 217, 255, 0.08);

    backdrop-filter: blur(18px);

    animation: panelIn 0.35s ease;
}


.panel-close {
    width: 32px;
    height: 32px;

    position: absolute;
    top: 13px;
    right: 13px;

    color: #b7c6d5;

    background: rgba(255,255,255,0.04);

    border: 1px solid var(--border);

    font-size: 20px;

    transition: var(--transition);
}


.panel-close:hover {
    color: var(--blue);
    border-color: var(--blue);
}


.discovery-panel h3 {
    margin-top: 25px;

    font-family: var(--font-tech);
    font-size: 22px;
    line-height: 1.4;
}


.discovery-panel > p:not(.eyebrow) {
    margin-top: 18px;

    color: #aab8c7;

    font-size: 12px;
    line-height: 2;
    font-weight: 300;
}


.panel-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 15px;

    margin-top: 28px;
    padding-top: 17px;

    border-top: 1px solid var(--border);
}


.panel-footer > span {
    color: #788b9f;

    font-family: var(--font-tech);
    font-size: 8px;
    letter-spacing: 1px;
}


.panel-footer .text-button {
    margin-top: 0;
    font-size: 8px;
}


/* =========================================================
   10. OVERLAY MENUS
========================================================= */

.overlay-panel {
    position: absolute;
    inset: 0;

    z-index: 30;

    display: grid;
    place-items: center;

    padding: 20px;

    background: rgba(2, 6, 12, 0.72);

    backdrop-filter: blur(12px);
}


.overlay-card {
    width: min(450px, 94%);

    position: relative;

    padding: 45px 35px;

    text-align: center;

    background:
        linear-gradient(
            145deg,
            rgba(20, 37, 55, 0.97),
            rgba(7, 14, 24, 0.98)
        );

    border: 1px solid rgba(101, 217, 255, 0.3);

    box-shadow:
        0 25px 90px rgba(0,0,0,0.55),
        0 0 35px rgba(101, 217, 255, 0.07);
}


.overlay-card .eyebrow {
    justify-content: center;
}


.overlay-card h2 {
    margin-top: 25px;

    font-family: var(--font-tech);
    font-size: 25px;
    line-height: 1.4;
}


.overlay-card > p:not(.eyebrow) {
    margin-top: 15px;

    color: var(--muted);

    font-size: 12px;
    line-height: 1.8;
}


.secondary-button {
    display: block;

    margin: 22px auto 0;
    padding: 12px 15px;

    color: #9daec0;

    background: transparent;

    border: 1px solid var(--border);

    font-family: var(--font-tech);
    font-size: 9px;
    letter-spacing: 1px;

    transition: var(--transition);
}


.secondary-button:hover {
    color: var(--blue);
    border-color: var(--blue);
}


/* =========================================================
   11. MAP
========================================================= */

.map-card {
    width: min(550px, 94%);
}


.mini-map {
    height: 230px;

    position: relative;

    overflow: hidden;

    margin-top: 25px;

    background:
        radial-gradient(
            circle at 50% 50%,
            rgba(101, 217, 255, 0.08),
            transparent 65%
        ),
        #0b1825;

    border: 1px solid var(--border);
}


.map-grid {
    position: absolute;
    inset: 0;

    background-image:
        linear-gradient(rgba(101, 217, 255, 0.12) 1px, transparent 1px),
        linear-gradient(90deg, rgba(101, 217, 255, 0.12) 1px, transparent 1px);

    background-size: 28px 28px;
}


.map-player,
.map-point {
    position: absolute;
    z-index: 2;

    display: grid;
    place-items: center;

    font-size: 15px;

    text-shadow: 0 0 12px currentColor;
}


.map-player {
    left: 48%;
    top: 45%;

    color: white;
}


.map-point {
    color: var(--blue);
}


.point-a {
    left: 25%;
    top: 25%;
}


.point-b {
    left: 75%;
    top: 30%;
}


.point-c {
    left: 60%;
    top: 75%;
}


.map-legend {
    margin-top: 15px !important;

    color: #8295a8 !important;

    font-size: 9px !important;
}


/* =========================================================
   12. START OVERLAY
========================================================= */

.start-overlay {
    position: absolute;
    inset: 0;

    z-index: 25;

    display: grid;
    place-items: center;

    background: rgba(3, 8, 15, 0.55);

    backdrop-filter: blur(5px);
}


.start-card {
    width: min(500px, 90%);

    padding: 40px 25px;

    text-align: center;

    background: rgba(8, 17, 29, 0.88);

    border: 1px solid rgba(101, 217, 255, 0.3);

    box-shadow: 0 25px 80px rgba(0,0,0,0.5);
}


.start-symbol {
    width: 54px;
    height: 54px;

    display: grid;
    place-items: center;

    margin: 0 auto 25px;

    color: var(--blue);

    border: 1px solid var(--blue);

    font-family: var(--font-tech);
    font-size: 27px;

    box-shadow: 0 0 25px rgba(101, 217, 255, 0.15);
}


.start-card > p:first-of-type {
    color: var(--blue);

    font-family: var(--font-tech);
    font-size: 9px;
    letter-spacing: 2px;
}


.start-card h2 {
    margin-top: 18px;

    font-family: var(--font-tech);
    font-size: 22px;
    line-height: 1.5;
}


.start-card > p:last-of-type {
    margin-top: 14px;

    color: var(--muted);

    font-size: 11px;
    line-height: 1.8;
}


/* =========================================================
   13. FOOTER
========================================================= */

.footer {
    min-height: 65px;

    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 15px;

    padding: 15px 7%;

    color: #6f8093;

    background: #060a11;

    border-top: 1px solid rgba(255,255,255,0.06);

    font-family: var(--font-tech);
    font-size: 8px;
    letter-spacing: 1px;
}


#homeScreen + .footer {
    margin-top: 0;
}


/* =========================================================
   14. ANIMATIONS
========================================================= */

@keyframes pulse {

    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.45;
        transform: scale(0.8);
    }

}


@keyframes heroZoom {

    from {
        transform: scale(1.03);
    }

    to {
        transform: scale(1.1);
    }

}


@keyframes planetFloat {

    0%, 100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-13px);
    }

}


@keyframes panelIn {

    from {
        opacity: 0;
        transform: translate(-50%, -46%);
    }

    to {
        opacity: 1;
        transform: translate(-50%, -50%);
    }

}


/* =========================================================
   15. RESPONSIVE TABLETS
========================================================= */

@media (max-width: 1050px) {

    .mission-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .mission-art {
        height: 240px;
    }

    .briefing-layout {
        gap: 4%;
    }

    .briefing-visual {
        height: 420px;
    }

    .briefing-planet {
        width: 190px;
        height: 190px;
    }

    .hud-center {
        display: none;
    }

}


@media (max-width: 760px) {

    .topbar {
        height: 68px;
        padding: 0 5%;
    }

    .brand {
        font-size: 13px;
    }

    .brand-light {
        display: none;
    }

    .top-actions {
        gap: 9px;
    }

    .status-label,
    .status-dot {
        display: none;
    }

    .hero {
        min-height: 690px;
    }

    .hero-content {
        margin-left: 7%;
        padding-top: 40px;
    }

    .hero h1 {
        font-size: clamp(52px, 12vw, 82px);
        letter-spacing: -3px;
    }

    .hero-copy {
        max-width: 390px;
        font-size: 12px;
    }

    .hero-coordinate {
        right: 6%;
        bottom: 100px;
        font-size: 7px;
    }

    .hero-scroll {
        left: 7%;
    }

    .missions-section {
        padding: 80px 6%;
    }

    .section-heading {
        align-items: flex-start;
        flex-direction: column;
    }

    .section-note {
        max-width: 350px;
    }

    .mission-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
    }

    .mission-art {
        height: 170px;
    }

    .mission-info {
        padding: 16px 13px 20px;
    }

    .mission-info h3 {
        font-size: 10px;
    }

    .mission-info p {
        font-size: 10px;
    }

    .mission-meta {
        font-size: 7px;
    }

    .briefing-layout {
        width: 88%;
        padding-top: 55px;

        grid-template-columns: 1fr;
        gap: 25px;
    }

    .briefing-visual {
        height: 290px;
    }

    .briefing-planet {
        width: 145px;
        height: 145px;
    }

    .briefing-ring {
        width: 250px;
        height: 70px;
    }

    .briefing-copy {
        padding: 5px 0 45px;
    }

    .briefing-copy h2 {
        font-size: 28px;
    }

    .back-button {
        top: 85px;
    }

    .hud-top {
        padding: 15px 3%;
        align-items: flex-start;
    }

    .hud-top strong {
        max-width: 150px;
        font-size: 9px;
    }

    .hud-actions {
        gap: 4px;
    }

    .hud-button {
        min-height: 31px;
        padding: 0 7px;
        font-size: 7px;
    }

    .hud-left {
        top: 100px;
        left: 3%;
    }

    .objective-box {
        max-width: 190px;
        padding: 10px;
    }

    .objective-box strong {
        font-size: 9px;
    }

    .hud-bottom {
        padding: 18px 3%;
    }

    .control-hint {
        flex-wrap: wrap;
        max-width: 230px;
        font-size: 7px;
    }

    .control-hint kbd {
        min-width: 18px;
        height: 18px;
    }

    .proximity {
        max-width: 120px;
        text-align: right;
        font-size: 7px;
    }

    .footer {
        flex-wrap: wrap;
        justify-content: center;
        text-align: center;
        font-size: 7px;
    }

}


/* =========================================================
   16. RESPONSIVE MOBILE
========================================================= */

@media (max-width: 480px) {

    .hero {
        min-height: 650px;
    }

    .hero h1 {
        font-size: 49px;
    }

    .hero-copy {
        max-width: 300px;
    }

    .mission-grid {
        grid-template-columns: 1fr;
    }

    .mission-art {
        height: 220px;
    }

    .mission-info h3 {
        font-size: 13px;
    }

    .mission-info p {
        min-height: auto;
    }

    .hud-center {
        display: none;
    }

    .hud-top {
        flex-wrap: wrap;
    }

    .hud-top > div:first-child {
        width: 100%;
    }

    .hud-actions {
        width: 100%;
        justify-content: flex-start;
    }

    .hud-left {
        top: 125px;
    }

    .control-hint {
        max-width: 190px;
    }

    .discovery-panel {
        padding: 28px 20px;
    }

    .discovery-panel h3 {
        font-size: 17px;
    }

    .panel-footer {
        flex-direction: column;
        align-items: flex-start;
    }

    .brief-facts {
        grid-template-columns: 1fr;
    }

    .fact-item {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .fact-item strong {
        margin-top: 0;
    }

}


/* =========================================================
   17. ACCESSIBILITY AND PERFORMANCE
========================================================= */

@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

}