:root {
    /* Color Scheme: Deep Space & Electric Current */
    --color-primary-dark: #0F1626; /* Deep Charcoal/Midnight Blue base */
    --color-secondary-dark: #1A2233; /* Slightly lighter dark for contrast */
    --color-background-dark: #0A0D15; /* Even deeper background */
    --color-text-light: #E0E8F0; /* Off-white for primary text */
    --color-text-medium: #B0BACC; /* Grayish blue for secondary text */
    --color-accent-teal: #00E8C1; /* Electric Teal */
    --color-accent-lime: #A8FF50; /* Luminous Lime */
    --color-accent-orange: #FF6B35; /* Brilliant Orange */
    --color-gradient-start: rgba(15, 22, 38, 0.9);
    --color-gradient-end: rgba(26, 34, 51, 0.9);

    /* Typography */
    --font-primary: 'Montserrat', sans-serif;
    --font-display: 'Orbitron', sans-serif; /* For headlines */

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--color-text-light);
    background-color: var(--color-background-dark);
    -webkit-font-smoothing: antialiased;
    scroll-behavior: smooth;
    overflow-x: hidden; /* Prevent horizontal scroll */
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

section {
    padding: var(--spacing-xxl) 0;
    position: relative;
    overflow: hidden;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 0 8px rgba(0, 232, 193, 0.2); /* Subtle glow */
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; margin-bottom: var(--spacing-lg); }
h3 { font-size: 1.8rem; margin-bottom: var(--spacing-md); }
h4 { font-size: 1.4rem; }

.section-title {
    text-align: center;
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--color-accent-teal), transparent);
    margin: var(--spacing-sm) auto 0;
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--color-text-medium);
    margin-bottom: var(--spacing-xxl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Cards */
.card {
    background-color: var(--color-secondary-dark);
    border-radius: 12px;
    padding: var(--spacing-lg);
    border: 1px solid rgba(0, 232, 193, 0.1);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease-in-out;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 232, 193, 0.15);
    border-color: var(--color-accent-teal);
}

/* Header */
.main-header {
    background-color: rgba(10, 13, 21, 0.95); /* Semi-transparent dark background */
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.5);
}

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

.logo {
    font-size: 1.8rem;
    font-family: var(--font-display);
    color: var(--color-accent-teal);
    text-shadow: 0 0 10px rgba(0, 232, 193, 0.6);
    letter-spacing: 0.1rem;
    animation: pulseGlow 3s infinite alternate;
}

@keyframes pulseGlow {
    from { text-shadow: 0 0 10px rgba(0, 232, 193, 0.6); }
    to { text-shadow: 0 0 20px rgba(0, 232, 193, 0.9), 0 0 30px rgba(0, 232, 193, 0.3); }
}


.nav-menu {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-item {
    color: var(--color-text-medium);
    font-weight: 500;
    font-size: 1.05rem;
    position: relative;
    cursor: default; /* Not interactive */
    transition: color 0.3s ease, text-shadow 0.3s ease;
}

.nav-item:hover {
    color: var(--color-accent-teal);
    text-shadow: 0 0 8px var(--color-accent-teal);
}

.nav-item::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 100%;
    height: 2px;
    background: var(--color-accent-teal);
    transition: transform 0.3s ease;
}

.nav-item:hover::after {
    transform: translateX(-50%) scaleX(1);
}

/* Velocity Core Section */
.velocity-core {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-image: url('images/image_11.jpg');
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
}

.velocity-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(10, 13, 21, 0.85) 0%, rgba(10, 13, 21, 0.65) 50%, rgba(10, 13, 21, 0.85) 100%);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    z-index: 1;
}

.velocity-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    padding: var(--spacing-lg);
}

.velocity-pre-headline {
    font-size: 1.2rem;
    color: var(--color-accent-lime);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: var(--spacing-md);
    opacity: 1;
    animation: fadeInSlideUp 1.5s ease-out 0.5s forwards;
}

.velocity-headline {
    font-family: var(--font-display);
    font-size: 4.5rem;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    text-shadow: 0 0 25px rgba(0, 232, 193, 0.8);
    opacity: 1;
    animation: fadeInSlideUp 1.8s ease-out 0.8s forwards;
}

.velocity-sub-text {
    font-size: 1.3rem;
    color: var(--color-text-medium);
    max-width: 700px;
    margin: 0 auto var(--spacing-xxl);
    opacity: 1;
    animation: fadeInSlideUp 2s ease-out 1.1s forwards;
}

@keyframes fadeInSlideUp {
    from {
        opacity: 1;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* UI Overlays for Velocity Core */
.ui-overlay-indicator {
    position: absolute;
    background-color: rgba(0, 232, 193, 0.3);
    border-radius: 50%;
    transition: all 0.5s ease-out;
    z-index: 1;
    pointer-events: none;
    opacity: 1;
    animation: fadeInOutPulse 6s infinite ease-in-out;
}

.velocity-core:hover .ui-overlay-indicator {
    opacity: 1; /* Make visible on hover */
}

.ui-one {
    width: 80px; height: 80px;
    top: 15%; left: 10%;
    background-color: rgba(0, 232, 193, 0.2);
    animation-delay: 0s;
}
.ui-two {
    width: 120px; height: 120px;
    bottom: 20%; right: 15%;
    background-color: rgba(168, 255, 80, 0.2);
    animation-delay: 2s;
}
.ui-three {
    width: 60px; height: 60px;
    top: 30%; right: 5%;
    background-color: rgba(255, 107, 53, 0.2);
    animation-delay: 4s;
}

@keyframes fadeInOutPulse {
    0%, 100% { transform: scale(0.8); opacity: 1;.2; }
    50% { transform: scale(1.2); opacity: 1;.6; }
}


/* Trajectory Manifest Section */
.trajectory-manifest {
    background: linear-gradient(180deg, var(--color-background-dark) 0%, var(--color-primary-dark) 100%);
}

.star-map-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    padding: var(--spacing-lg) 0;
}

.star-node {
    text-align: center;
    border: 1px solid rgba(168, 255, 80, 0.2);
    box-shadow: 0 0 20px rgba(168, 255, 80, 0.1);
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    background: linear-gradient(145deg, var(--color-secondary-dark) 0%, rgba(26, 34, 51, 0.8) 100%);
}

.star-node:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: var(--color-accent-lime);
    box-shadow: 0 0 30px rgba(168, 255, 80, 0.4);
}

.node-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-accent-lime);
    text-shadow: 0 0 10px var(--color-accent-lime);
}

.node-title {
    font-size: 1.6rem;
    color: var(--color-accent-lime);
    margin-bottom: var(--spacing-xs);
}

.node-description {
    font-size: 0.95rem;
    color: var(--color-text-medium);
}

/* Kinetic Blueprint Section */
.kinetic-blueprint {
    background: linear-gradient(180deg, var(--color-primary-dark) 0%, var(--color-background-dark) 100%);
}

.blueprint-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    padding: var(--spacing-lg) 0;
}

.blueprint-module {
    background: linear-gradient(145deg, var(--color-secondary-dark) 0%, rgba(26, 34, 51, 0.8) 100%);
    border: 1px solid rgba(255, 107, 53, 0.2);
    box-shadow: 0 0 20px rgba(255, 107, 53, 0.1);
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    overflow: visible; /* Allows pseudo-elements to extend */
}

.blueprint-module:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: var(--color-accent-orange);
    box-shadow: 0 0 30px rgba(255, 107, 53, 0.4);
}

.module-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-accent-orange);
    text-shadow: 0 0 10px var(--color-accent-orange);
}

.module-title {
    font-size: 1.6rem;
    color: var(--color-accent-orange);
    margin-bottom: var(--spacing-xs);
}

.module-description {
    font-size: 0.95rem;
    color: var(--color-text-medium);
}

.module-flow-indicator {
    position: absolute;
    top: 50%;
    left: -10px;
    width: 20px;
    height: 2px;
    background-color: var(--color-accent-orange);
    transform: translateY(-50%) rotate(45deg);
    opacity: 1;.7;
    animation: flowPulse 2s infinite alternate;
}

.blueprint-module:nth-child(even) .module-flow-indicator {
    left: auto;
    right: -10px;
    transform: translateY(-50%) rotate(-45deg);
}

@keyframes flowPulse {
    0% { transform: scaleX(0.5) translateY(-50%) rotate(45deg); opacity: 1;.4; }
    50% { transform: scaleX(1.5) translateY(-50%) rotate(45deg); opacity: 1;.9; }
    100% { transform: scaleX(0.5) translateY(-50%) rotate(45deg); opacity: 1;.4; }
}


/* Nexus Network Section */
.nexus-network {
    background: linear-gradient(180deg, var(--color-background-dark) 0%, var(--color-primary-dark) 100%);
}

.globe-visualization {
    position: relative;
    width: 100%;
    max-width: 900px;
    margin: var(--spacing-xxl) auto;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    border-radius: 15px;
    box-shadow: 0 15px 50px rgba(0, 232, 193, 0.3);
    border: 2px solid var(--color-accent-teal);
}

.globe-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    filter: brightness(0.7) contrast(1.1);
}

.globe-point {
    position: absolute;
    width: 20px;
    height: 20px;
    background-color: var(--color-accent-teal);
    border-radius: 50%;
    box-shadow: 0 0 15px var(--color-accent-teal);
    animation: pulseGlowPoint 2s infinite alternate;
    cursor: default; /* Not interactive */
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.globe-point:hover {
    transform: scale(1.3);
}

.globe-point span {
    position: absolute;
    bottom: calc(100% + 5px);
    white-space: nowrap;
    background-color: var(--color-secondary-dark);
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 0.8rem;
    opacity: 1;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    pointer-events: none;
    border: 1px solid var(--color-accent-teal);
    box-shadow: 0 0 10px rgba(0, 232, 193, 0.4);
}

.globe-point:hover span {
    opacity: 1;
    visibility: visible;
}


/* Example point positions - adjust based on actual image */
.point-a { top: 25%; left: 20%; } /* North America */
.point-b { top: 30%; left: 55%; } /* Europe */
.point-c { top: 45%; left: 75%; } /* Asia Pacific */
.point-d { top: 65%; left: 30%; } /* South America */
.point-e { top: 55%; left: 48%; } /* Africa */
.point-f { top: 70%; left: 85%; } /* Oceania */

@keyframes pulseGlowPoint {
    0% { box-shadow: 0 0 15px var(--color-accent-teal); }
    100% { box-shadow: 0 0 25px var(--color-accent-teal), 0 0 5px rgba(0, 232, 193, 0.5); }
}

.globe-line {
    position: absolute;
    background-color: var(--color-accent-teal);
    height: 2px;
    opacity: 1;.6;
    animation: lineFlow 4s infinite linear;
}

/* Connect points visually */
.line-1 { /* A to B */
    top: 27%; left: 20%;
    width: 35%;
    transform-origin: 0 0;
    transform: rotate(5deg);
}
.line-2 { /* B to C */
    top: 35%; left: 55%;
    width: 20%;
    transform-origin: 0 0;
    transform: rotate(60deg);
}
.line-3 { /* C to F */
    top: 48%; left: 75%;
    width: 15%;
    transform-origin: 0 0;
    transform: rotate(100deg);
}
.line-4 { /* D to E */
    top: 60%; left: 30%;
    width: 18%;
    transform-origin: 0 0;
    transform: rotate(30deg);
}

@keyframes lineFlow {
    0% { background-position: 0 0; }
    100% { background-position: 100% 0; }
}
.globe-line {
    background: linear-gradient(90deg, transparent, var(--color-accent-teal), transparent);
    background-size: 200% 100%;
}


.network-details-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xxl);
}

.network-detail {
    background: linear-gradient(145deg, var(--color-secondary-dark) 0%, rgba(26, 34, 51, 0.8) 100%);
    border: 1px solid rgba(0, 232, 193, 0.2);
    padding: var(--spacing-lg);
    box-shadow: 0 0 20px rgba(0, 232, 193, 0.1);
}

.network-detail h3 {
    color: var(--color-accent-teal);
    font-size: 1.4rem;
    margin-bottom: var(--spacing-xs);
}

.network-detail p {
    font-size: 0.95rem;
    color: var(--color-text-medium);
    margin-bottom: var(--spacing-md);
}

.detail-img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: 8px;
    filter: brightness(0.8);
}

/* Frequency Pulse Section */
.frequency-pulse {
    background: linear-gradient(180deg, var(--color-primary-dark) 0%, var(--color-background-dark) 100%);
}

.frequency-stream-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    padding: var(--spacing-lg) 0;
}

.pulse-card {
    background: linear-gradient(145deg, var(--color-secondary-dark) 0%, rgba(26, 34, 51, 0.8) 100%);
    border: 1px solid rgba(176, 186, 204, 0.1);
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
    padding: 0; /* Image takes top */
    overflow: hidden;
    cursor: default; /* Not interactive */
}

.pulse-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(176, 186, 204, 0.15);
    border-color: var(--color-text-medium);
}

.pulse-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-bottom: 1px solid rgba(176, 186, 204, 0.1);
    transition: transform 0.3s ease;
}

.pulse-card:hover .pulse-img {
    transform: scale(1.05);
}

.pulse-content {
    padding: var(--spacing-lg);
}

.frequency-band {
    display: inline-block;
    background-color: rgba(0, 232, 193, 0.1);
    color: var(--color-accent-teal);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 5px 10px;
    border-radius: 5px;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 1px solid rgba(0, 232, 193, 0.3);
}

.pulse-card h3 {
    font-size: 1.4rem;
    line-height: 1.3;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xs);
}

.pulse-card p {
    font-size: 0.9rem;
    color: var(--color-text-medium);
}

/* Rendezvous Point Section */
.rendezvous-point {
    background: linear-gradient(180deg, var(--color-background-dark) 0%, var(--color-primary-dark) 100%);
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.rendezvous-split {
    display: flex;
    align-items: center;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.split-animation {
    flex: 1;
    background-image: url('images/image_12.jpg');
    background-size: cover;
    background-position: center;
    min-height: 500px;
    position: relative;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--color-secondary-dark); /* Fallback */
}

.split-animation::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 232, 193, 0.1) 0%, rgba(168, 255, 80, 0.1) 100%);
    opacity: 1;.8;
    z-index: 1;
}

.anim-glow-circle {
    position: absolute;
    border-radius: 50%;
    filter: blur(10px);
    opacity: 1;.6;
    animation: expandGlow 8s infinite ease-in-out;
    z-index: 2;
}

.circle-one {
    width: 150px; height: 150px;
    background-color: var(--color-accent-teal);
    top: 20%; left: 20%;
    animation-delay: 0s;
}

.circle-two {
    width: 200px; height: 200px;
    background-color: var(--color-accent-lime);
    bottom: 15%; right: 15%;
    animation-delay: 4s;
}

@keyframes expandGlow {
    0%, 100% { transform: scale(0.8); opacity: 1;.6; }
    50% { transform: scale(1.2); opacity: 1;.9; }
}

.anim-glow-line {
    position: absolute;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--color-accent-teal), transparent);
    opacity: 1;.5;
    animation: lineWave 6s infinite linear;
    z-index: 2;
}

.line-a {
    width: 80%; top: 30%; left: 10%;
    animation-delay: 0s;
}
.line-b {
    width: 70%; top: 60%; right: 15%;
    background: linear-gradient(90deg, transparent, var(--color-accent-lime), transparent);
    animation-delay: 2s;
}
.line-c {
    width: 90%; bottom: 10%; left: 5%;
    background: linear-gradient(90deg, transparent, var(--color-accent-orange), transparent);
    animation-delay: 4s;
}

@keyframes lineWave {
    0%, 100% { transform: translateX(-20%) scaleX(1.1); opacity: 1;.5; }
    50% { transform: translateX(20%) scaleX(0.9); opacity: 1;.8; }
}


.split-content {
    flex: 1;
    background-color: var(--color-primary-dark);
    padding: var(--spacing-xxl) var(--spacing-xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
    border: 1px solid rgba(0, 232, 193, 0.1);
}

.split-content .section-title {
    text-align: left;
    font-size: 2.8rem;
    margin-bottom: var(--spacing-md);
}
.split-content .section-title::after {
    margin-left: 0;
}

.split-content .section-subtitle {
    text-align: left;
    max-width: none;
    margin-bottom: var(--spacing-xxl);
}

.rendezvous-options {
    display: grid;
    grid-template-columns: 1fr; /* Stack options */
    gap: var(--spacing-lg);
}

.option-block {
    background-color: var(--color-secondary-dark);
    padding: var(--spacing-lg);
    border-radius: 8px;
    border: 1px solid rgba(0, 232, 193, 0.1);
    transition: all 0.3s ease;
}

.option-block:hover {
    background-color: rgba(26, 34, 51, 0.8);
    border-color: var(--color-accent-teal);
    box-shadow: 0 0 20px rgba(0, 232, 193, 0.3);
}

.option-block h3 {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    color: var(--color-accent-teal);
    margin-bottom: var(--spacing-xs);
}

.option-block p {
    font-size: 0.95rem;
    color: var(--color-text-medium);
    margin-bottom: var(--spacing-md);
}

.decorative-button {
    display: inline-block;
    padding: 10px 20px;
    background: linear-gradient(90deg, var(--color-accent-teal) 0%, var(--color-accent-lime) 100%);
    color: var(--color-primary-dark);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 5px;
    cursor: default; /* Not interactive */
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 232, 193, 0.3);
    border: none;
    font-size: 0.9rem;
}

.decorative-button:hover {
    transform: scale(1.03);
    box-shadow: 0 8px 20px rgba(0, 232, 193, 0.5);
    filter: brightness(1.1);
}


/* Footer */
.main-footer {
    background-color: var(--color-background-dark);
    padding: var(--spacing-lg) 0;
    text-align: center;
    border-top: 1px solid rgba(0, 232, 193, 0.1);
}

.main-footer p {
    color: var(--color-text-medium);
    font-size: 0.9rem;
}

/* Mobile Responsiveness */
@media (max-width: 1024px) {
    .header-content {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--spacing-md);
    }
    .nav-item {
        font-size: 0.9rem;
    }

    .velocity-headline {
        font-size: 3.5rem;
    }
    .velocity-sub-text {
        font-size: 1.1rem;
    }

    .section-title {
        font-size: 2.5rem;
    }
    .section-subtitle {
        font-size: 1rem;
    }

    .star-map-grid,
    .blueprint-grid,
    .network-details-grid,
    .frequency-stream-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

    .rendezvous-split {
        flex-direction: column;
        border-radius: 0;
    }
    .split-animation, .split-content {
        flex: none;
        width: 100%;
    }
    .split-animation {
        min-height: 350px;
    }
    .split-content .section-title {
        text-align: center;
    }
    .split-content .section-title::after {
        margin-left: auto;
    }
    .split-content .section-subtitle {
        text-align: center;
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }

    .nav-menu {
        display: none; /* Hide nav for very small screens or implement a hamburger menu, but per constraints, let's keep it static */
    }

    .velocity-headline {
        font-size: 2.5rem;
    }
    .velocity-pre-headline {
        font-size: 1rem;
    }
    .velocity-sub-text {
        font-size: 0.95rem;
    }

    .section-title {
        font-size: 2rem;
    }
    .section-subtitle {
        font-size: 0.9rem;
    }

    .star-map-grid,
    .blueprint-grid,
    .network-details-grid,
    .frequency-stream-grid {
        grid-template-columns: 1fr; /* Stack cards on mobile */
        gap: var(--spacing-md);
    }

    .globe-point span {
        font-size: 0.7rem;
        padding: 3px 6px;
    }

    .split-content {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    .option-block {
        padding: var(--spacing-md);
    }
    .option-block h3 {
        font-size: 1.3rem;
    }
    .option-block p {
        font-size: 0.85rem;
    }
    .decorative-button {
        padding: 8px 15px;
        font-size: 0.8rem;
    }
}

/* Visible state helpers */
+ .animate-fade-in-up.visible,
+ .animate-fade-in-left.visible,
+ .animate-fade-in-right.visible,
+ .animate-bounce-y.visible,
+ .section-scroll-animate.visible,
+ .text-animate-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Safe visibility overrides (auto-added) */
:root, html, body, main, header, footer, section, .container, .content {
  opacity: 1 !important;
  visibility: visible !important;
}