/* ==============================================================================
   DESIGN SYSTEM & VARIABLES - DUNGEONS & DANGOS
   ============================================================================== */
:root {
    --bg-darker: #06060e;
    --bg-dark: #0c0c16;
    --bg-card: rgba(20, 20, 35, 0.6);
    --bg-card-hover: rgba(30, 30, 50, 0.85);
    
    /* Dango Palette */
    --dango-pink: #ff85a2;
    --dango-white: #f7f5f0;
    --dango-green: #7fd686;
    --dango-yellow: #f4d35e;
    
    /* Text Colors */
    --text-primary: #f1f1f7;
    --text-secondary: #a0a0cf;
    --text-muted: #6b6b8f;
    
    /* Gradients */
    --grad-hero: linear-gradient(135deg, var(--dango-pink) 0%, var(--dango-yellow) 50%, var(--dango-green) 100%);
    --grad-primary: linear-gradient(90deg, #ff85a2 0%, #d45d79 100%);
    --grad-dark: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
    
    /* Borders & Shadow */
    --border-glow: 1px solid rgba(255, 133, 162, 0.2);
    --border-light: 1px solid rgba(255, 255, 255, 0.08);
    --shadow-premium: 0 15px 35px rgba(0, 0, 0, 0.4);
    --shadow-glow-pink: 0 0 20px rgba(255, 133, 162, 0.25);
    --shadow-glow-green: 0 0 20px rgba(127, 214, 134, 0.25);
    
    /* Fonts */
    --font-fancy: 'Cinzel', serif;
    --font-body: 'Outfit', sans-serif;
    --font-retro: 'Press Start 2P', monospace;
}

/* ==============================================================================
   BASE STYLES & RESET
   ============================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-darker);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 0;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    cursor: pointer;
    font-family: var(--font-body);
    transition: all 0.3s ease;
}

/* Scrollbar customization */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--bg-darker);
}
::-webkit-scrollbar-thumb {
    background: #1c1c36;
    border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--dango-pink);
}

/* ==============================================================================
   HEADER & NAVIGATION
   ============================================================================== */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    background: rgba(6, 6, 14, 0.8);
    backdrop-filter: blur(15px);
    border-bottom: var(--border-light);
    transition: all 0.3s ease;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-logo {
    height: 42px;
    width: auto;
    filter: drop-shadow(0 0 8px rgba(255, 133, 162, 0.5));
    animation: pulseLogo 3s infinite ease-in-out;
}

.brand-name {
    font-family: var(--font-fancy);
    font-weight: 900;
    font-size: 1.4rem;
    letter-spacing: 1px;
}

.accent-amp {
    color: var(--dango-pink);
    text-shadow: 0 0 10px rgba(255, 133, 162, 0.4);
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: color 0.3s;
    position: relative;
    padding: 5px 0;
}

.nav-links a:hover {
    color: var(--dango-pink);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--dango-pink);
    transition: width 0.3s;
}

.nav-links a.active::after,
.nav-links a:hover::after {
    width: 100%;
}

.btn-demo-link {
    background: rgba(255, 133, 162, 0.1);
    border: 1px solid var(--dango-pink);
    padding: 6px 16px !important;
    border-radius: 20px;
}

.btn-demo-link:hover {
    background: var(--dango-pink) !important;
    color: var(--bg-darker) !important;
    box-shadow: var(--shadow-glow-pink);
}

.btn-demo-link::after {
    display: none !important;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.btn-sound {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: var(--border-light);
}

.btn-sound:hover {
    color: var(--dango-pink);
    background: rgba(255, 133, 162, 0.1);
}

.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
}

/* ==============================================================================
   HERO SECTION
   ============================================================================== */
.hero-section {
    position: relative;
    padding-top: 150px;
    padding-bottom: 80px;
    background: var(--grad-dark);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 90vh;
}

.hero-bg-glow {
    position: absolute;
    top: 10%;
    left: 25%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, rgba(255, 133, 162, 0.15) 0%, rgba(127, 214, 134, 0.05) 50%, transparent 100%);
    filter: blur(80px);
    z-index: 1;
    pointer-events: none;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
    gap: 50px;
    z-index: 2;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.hero-badge {
    background: rgba(255, 133, 162, 0.12);
    border: 1px solid rgba(255, 133, 162, 0.3);
    padding: 6px 16px;
    border-radius: 50px;
    color: var(--dango-pink);
    font-size: 0.85rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 20px;
}

.hero-title {
    font-family: var(--font-fancy);
    font-size: 4rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 25px;
    letter-spacing: 1px;
}

.gradient-text {
    background: var(--grad-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 30px rgba(255, 133, 162, 0.25);
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 580px;
    margin-bottom: 35px;
}

.hero-actions {
    display: flex;
    gap: 20px;
}

.btn-primary {
    background: var(--grad-primary);
    color: white;
    padding: 14px 28px;
    border-radius: 30px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 8px 20px rgba(255, 133, 162, 0.35);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 25px rgba(255, 133, 162, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 14px 28px;
    border-radius: 30px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.logo-orb-glow {
    position: absolute;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 133, 162, 0.2) 0%, transparent 70%);
    filter: blur(20px);
    animation: rotateGlow 8s infinite linear;
}

.hero-logo-image {
    max-width: 100%;
    width: 340px;
    height: auto;
    z-index: 2;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.5)) drop-shadow(0 0 15px rgba(255, 133, 162, 0.2));
    animation: floatLogo 6s infinite ease-in-out;
}

.wave-separator {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    line-height: 0;
}

.wave-separator svg {
    display: block;
    width: 100%;
    height: 60px;
}

/* ==============================================================================
   ABOUT SECTION
   ============================================================================== */
.about-section {
    background-color: var(--bg-dark);
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.subtitle {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--dango-pink);
    font-weight: 800;
}

.title {
    font-family: var(--font-fancy);
    font-size: 2.8rem;
    font-weight: 900;
    margin-top: 10px;
    letter-spacing: 1px;
}

.divider {
    width: 80px;
    height: 4px;
    background: var(--grad-primary);
    margin: 15px auto 0;
    border-radius: 2px;
    box-shadow: var(--shadow-glow-pink);
}

.header-desc {
    max-width: 600px;
    margin: 20px auto 0;
    color: var(--text-secondary);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.about-card {
    background: var(--bg-card);
    border: var(--border-light);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.about-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-10px);
    border-color: rgba(255, 133, 162, 0.3);
    box-shadow: var(--shadow-premium), 0 0 25px rgba(255, 133, 162, 0.1);
}

.card-icon {
    font-size: 2.5rem;
    color: var(--dango-pink);
    margin-bottom: 25px;
    display: inline-block;
    padding: 20px;
    background: rgba(255, 133, 162, 0.08);
    border-radius: 50%;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    border: var(--border-glow);
}

.about-card h3 {
    font-family: var(--font-fancy);
    font-size: 1.4rem;
    margin-bottom: 15px;
}

.about-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ==============================================================================
   TAKOYAKI INVADERS SECTION
   ============================================================================== */
.takoyaki-section {
    padding: 100px 0;
    background-color: var(--bg-darker);
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 60px;
}

.game-info {
    display: flex;
    flex-direction: column;
}

.game-tag {
    font-size: 0.85rem;
    font-weight: 800;
    color: var(--dango-green);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 15px;
}

.game-title {
    font-family: var(--font-fancy);
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 20px;
    line-height: 1.1;
}

.game-pitch {
    font-size: 1.2rem;
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 20px;
    border-left: 3px solid var(--dango-pink);
    padding-left: 15px;
}

.game-details {
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.game-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.feature-item {
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.feature-item i {
    font-size: 1.3rem;
    color: var(--dango-pink);
    background: rgba(255, 133, 162, 0.1);
    padding: 12px;
    border-radius: 12px;
    border: var(--border-glow);
}

.feature-item div {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.feature-item div strong {
    color: var(--text-primary);
    display: block;
    margin-bottom: 3px;
}

/* Screen mock graphics CSS Art */
.console-border {
    background: #151525;
    padding: 15px;
    border-radius: 20px;
    box-shadow: var(--shadow-premium), 0 0 30px rgba(0, 0, 0, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.screen-glow {
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(127, 214, 134, 0.05) 0%, transparent 80%);
    pointer-events: none;
}

.mock-screenshot {
    position: relative;
    height: 350px;
    background: #08080f;
    border-radius: 12px;
    overflow: hidden;
    border: 3px solid #1a1a30;
}

.pixel-starfield {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(1px 1px at 20px 30px, #eee, rgba(0,0,0,0)),
        radial-gradient(1px 1px at 40px 70px, #fff, rgba(0,0,0,0)),
        radial-gradient(2px 2px at 150px 120px, #ff85a2, rgba(0,0,0,0)),
        radial-gradient(1px 1px at 250px 50px, #7fd686, rgba(0,0,0,0)),
        radial-gradient(2px 2px at 300px 220px, #fff, rgba(0,0,0,0)),
        radial-gradient(1px 1px at 350px 280px, #aaa, rgba(0,0,0,0));
    background-size: 550px 350px;
    animation: scrollStars 10s infinite linear;
}

.game-ui {
    position: absolute;
    top: 15px;
    left: 15px;
    right: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-retro);
    font-size: 8px;
    color: #00ff66;
    text-shadow: 0 0 4px rgba(0, 255, 102, 0.8);
    z-index: 10;
}

.health-bar-container {
    width: 60px;
    height: 8px;
    background: #202040;
    border: 1px solid #00ff66;
    border-radius: 4px;
    overflow: hidden;
}

.health-bar-fill {
    height: 100%;
    background: #00ff66;
    box-shadow: 0 0 5px #00ff66;
}

.player-dango {
    position: absolute;
    bottom: 30px;
    left: calc(50% - 20px);
    font-size: 28px;
    animation: bouncePlayer 1s infinite alternate;
}

.lasers {
    position: absolute;
    bottom: 60px;
    left: 50%;
    width: 4px;
    height: 25px;
    background: var(--dango-pink);
    box-shadow: 0 0 10px var(--dango-pink);
    transform: translateX(-2px);
    animation: shootLaser 1.5s infinite linear;
}

.takoyaki-boss {
    position: absolute;
    top: 60px;
    left: calc(50% - 30px);
    text-align: center;
}

.boss-head {
    font-size: 44px;
    animation: floatBoss 4s infinite ease-in-out;
    filter: drop-shadow(0 0 15px rgba(255, 0, 0, 0.4));
}

/* ==============================================================================
   CROWDFUNDING SECTION (TIERS)
   ============================================================================== */
.crowdfunding-section {
    padding: 100px 0;
    background-color: var(--bg-dark);
}

.tiers-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    margin-top: 50px;
    align-items: stretch;
}

.tier-card {
    background: var(--bg-card);
    border: var(--border-light);
    border-radius: 20px;
    padding: 35px 25px;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.tier-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-8px);
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: var(--shadow-premium);
}

.tier-card.popular {
    border-color: var(--dango-pink);
    box-shadow: 0 0 20px rgba(255, 133, 162, 0.15);
}

.tier-card.popular:hover {
    box-shadow: 0 10px 30px rgba(255, 133, 162, 0.25);
}

.popular-ribbon {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--grad-primary);
    color: white;
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 4px 15px;
    border-radius: 20px;
    box-shadow: 0 4px 10px rgba(255, 133, 162, 0.4);
}

.tier-card.gold {
    border-color: var(--dango-yellow);
}

.tier-card.gold:hover {
    box-shadow: 0 10px 30px rgba(244, 211, 94, 0.2);
}

.tier-card.legendary {
    border-color: var(--dango-green);
}

.tier-card.legendary:hover {
    box-shadow: 0 10px 30px rgba(127, 214, 134, 0.2);
}

.tier-badge {
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    margin-bottom: 15px;
    text-align: center;
}

.popular .tier-badge {
    color: var(--dango-pink);
}

.gold .tier-badge {
    color: var(--dango-yellow);
}

.legendary .tier-badge {
    color: var(--dango-green);
}

.tier-name {
    font-family: var(--font-fancy);
    font-size: 1.5rem;
    text-align: center;
    margin-bottom: 20px;
}

.tier-price {
    font-size: 2.8rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 25px;
    color: var(--text-primary);
}

.tier-price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-secondary);
}

.tier-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.08);
    margin-bottom: 25px;
}

.tier-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 35px;
    flex-grow: 1;
}

.tier-features li {
    font-size: 0.9rem;
    color: var(--text-secondary);
    display: flex;
    gap: 10px;
    align-items: flex-start;
}

.tier-features li i {
    font-size: 0.95rem;
    margin-top: 3px;
}

.tier-features li i.fa-check {
    color: var(--dango-green);
}

.tier-features li i.fa-times {
    color: var(--text-muted);
}

.tier-features li.disabled {
    color: var(--text-muted);
    text-decoration: line-through;
}

.tier-features strong {
    color: var(--text-primary);
}

.btn-tier {
    width: 100%;
    padding: 12px;
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-primary);
    font-weight: 700;
    transition: all 0.3s;
}

.btn-tier:hover {
    background: var(--text-primary);
    color: var(--bg-darker);
    border-color: var(--text-primary);
    transform: translateY(-2px);
}

.popular .btn-tier {
    background: var(--dango-pink);
    border-color: var(--dango-pink);
    color: var(--bg-darker);
}

.popular .btn-tier:hover {
    background: transparent;
    color: var(--dango-pink);
    box-shadow: var(--shadow-glow-pink);
}

.gold .btn-tier {
    background: var(--dango-yellow);
    border-color: var(--dango-yellow);
    color: var(--bg-darker);
}

.gold .btn-tier:hover {
    background: transparent;
    color: var(--dango-yellow);
    box-shadow: 0 0 15px rgba(244, 211, 94, 0.3);
}

.legendary .btn-tier {
    background: var(--dango-green);
    border-color: var(--dango-green);
    color: var(--bg-darker);
}

.legendary .btn-tier:hover {
    background: transparent;
    color: var(--dango-green);
    box-shadow: var(--shadow-glow-green);
}

/* ==============================================================================
   MINI GAME VIEWPORT (SANDBOX)
   ============================================================================== */
.game-demo-section {
    padding: 100px 0;
    background-color: var(--bg-darker);
}

.game-sandbox {
    background: #090912;
    border-radius: 20px;
    border: 2px solid #1a1a35;
    padding: 25px;
    max-width: 800px;
    margin: 40px auto 0;
    box-shadow: var(--shadow-premium);
}

.game-canvas-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    font-family: var(--font-retro);
    font-size: 10px;
    color: var(--dango-pink);
}

.stat-box {
    display: flex;
    align-items: center;
    gap: 8px;
}

.stat-value {
    color: white;
}

.dango-hp-bar {
    width: 100px;
    height: 12px;
    background: #1c1c30;
    border: 1px solid var(--dango-pink);
    border-radius: 6px;
    overflow: hidden;
}

.dango-hp-fill {
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, var(--dango-pink), #ff4d79);
    box-shadow: 0 0 8px var(--dango-pink);
    transition: width 0.2s;
}

.game-viewport {
    position: relative;
    height: 400px;
    background: #020205;
    border-radius: 12px;
    border: 3px solid #16162a;
    overflow: hidden;
    cursor: crosshair;
}

.game-start-overlay,
.game-over-overlay {
    position: absolute;
    width: 100%;
    height: 100%;
    background: rgba(4, 4, 8, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

.hidden {
    display: none !important;
}

.overlay-content {
    text-align: center;
    max-width: 400px;
    padding: 20px;
}

.overlay-content h2 {
    font-family: var(--font-fancy);
    font-size: 2.2rem;
    color: var(--dango-pink);
    margin-bottom: 15px;
}

.overlay-content p {
    color: var(--text-secondary);
    margin-bottom: 25px;
}

.btn-start {
    background: var(--grad-primary);
    color: white;
    padding: 12px 35px;
    border-radius: 25px;
    font-weight: 700;
    border: none;
    box-shadow: var(--shadow-glow-pink);
}

.btn-start:hover {
    transform: scale(1.05);
    box-shadow: 0 0 25px rgba(255, 133, 162, 0.6);
}

.game-over-title {
    color: #ff3333 !important;
    text-shadow: 0 0 10px rgba(255, 51, 51, 0.5);
}

.final-score-text {
    font-family: var(--font-retro);
    font-size: 12px;
    color: #ffbb00 !important;
    margin-bottom: 25px !important;
}

/* Dango Hero Sprite Animation */
.dango-hero-sprite {
    position: absolute;
    bottom: 20px;
    left: calc(50% - 25px);
    width: 50px;
    height: 140px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    animation: heroIdle 2s infinite ease-in-out;
}

.dango-ball {
    width: 44px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 11px;
    border: 2px solid #000;
    color: #000;
    z-index: 5;
    position: relative;
    margin-bottom: -4px;
    box-shadow: inset -5px -5px 0 rgba(0,0,0,0.15);
}

.pink-d {
    background: var(--dango-pink);
}
.white-d {
    background: var(--dango-white);
}
.green-d {
    background: var(--dango-green);
}

.d-face {
    font-family: monospace;
    font-weight: 900;
}

.dango-stick {
    width: 6px;
    height: 35px;
    background: #c29d66;
    border: 1px solid #000;
    z-index: 1;
}

/* Enemy Style classes */
.takoyaki-enemy {
    position: absolute;
    width: 40px;
    height: 40px;
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: floatEnemy 0.6s infinite alternate;
    cursor: pointer;
    user-select: none;
    z-index: 20;
}

.takoyaki-enemy:hover {
    transform: scale(1.15);
}

.game-controls {
    margin-top: 20px;
}

.upgrade-btn-container {
    display: flex;
    justify-content: center;
}

.btn-upgrade {
    background: rgba(127, 214, 134, 0.1);
    border: 1px solid var(--dango-green);
    color: var(--dango-green);
    width: 100%;
    padding: 12px 25px;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: all 0.3s;
}

.btn-upgrade:not(:disabled):hover {
    background: var(--dango-green);
    color: var(--bg-darker);
    box-shadow: var(--shadow-glow-green);
}

.btn-upgrade:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    border-color: var(--text-muted);
    color: var(--text-muted);
}

.upgrade-name {
    font-weight: 800;
    font-size: 1rem;
}

.upgrade-desc {
    font-size: 0.75rem;
    opacity: 0.8;
}

/* ==============================================================================
   MODALS (CHECKOUT & SUCCESS)
   ============================================================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(4, 4, 8, 0.85);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    transition: opacity 0.3s;
}

.modal-box {
    background: #0d0d1b;
    border: var(--border-glow);
    border-radius: 20px;
    padding: 40px;
    width: 90%;
    max-width: 500px;
    position: relative;
    box-shadow: var(--shadow-premium), 0 0 35px rgba(255, 133, 162, 0.15);
    animation: modalShow 0.3s cubic-bezier(0.18, 0.89, 0.32, 1.28);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
}

.modal-close:hover {
    color: var(--dango-pink);
}

.modal-header h2 {
    font-family: var(--font-fancy);
    font-size: 1.8rem;
    margin-bottom: 5px;
    color: var(--text-primary);
}

.modal-header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 25px;
}

.selected-tier-info {
    background: rgba(255, 255, 255, 0.03);
    border: var(--border-light);
    border-radius: 12px;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.tier-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.selected-tier-info h3 {
    font-size: 1.1rem;
    color: var(--dango-pink);
}

.tier-modal-price {
    font-size: 1.4rem;
    font-weight: 800;
}

.checkout-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.form-group input {
    background: rgba(255, 255, 255, 0.05);
    border: var(--border-light);
    border-radius: 8px;
    padding: 12px 15px;
    color: white;
    font-family: var(--font-body);
}

.form-group input:focus {
    outline: none;
    border-color: var(--dango-pink);
    background: rgba(255, 255, 255, 0.08);
}

.payment-methods {
    display: flex;
    gap: 15px;
}

.payment-method {
    flex: 1;
    border: var(--border-light);
    background: rgba(255, 255, 255, 0.02);
    border-radius: 10px;
    padding: 12px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
}

.payment-method input {
    display: none;
}

.payment-method.active {
    border-color: var(--dango-pink);
    background: rgba(255, 133, 162, 0.05);
    color: var(--dango-pink);
}

.btn-pay {
    background: var(--grad-primary);
    color: white;
    font-weight: 800;
    padding: 15px;
    border-radius: 30px;
    border: none;
    box-shadow: var(--shadow-glow-pink);
    margin-top: 10px;
}

.btn-pay:hover {
    box-shadow: 0 0 25px rgba(255, 133, 162, 0.5);
    transform: translateY(-2px);
}

/* Success box styles */
.success-box {
    text-align: center;
    padding: 50px 40px;
    max-width: 450px;
}

.success-icon {
    font-size: 4rem;
    color: var(--dango-green);
    margin-bottom: 20px;
    filter: drop-shadow(0 0 10px rgba(127, 214, 134, 0.5));
}

.success-box h2 {
    font-family: var(--font-fancy);
    margin-bottom: 15px;
}

.success-box p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 15px;
}

.success-instruction {
    font-size: 0.8rem !important;
    color: var(--text-muted) !important;
    background: rgba(255, 255, 255, 0.02);
    padding: 12px;
    border-radius: 8px;
    border: var(--border-light);
    margin-bottom: 30px !important;
}

.btn-success-close {
    background: var(--dango-green);
    color: var(--bg-darker);
    border: none;
    font-weight: 800;
    padding: 12px 40px;
    border-radius: 25px;
}

.btn-success-close:hover {
    box-shadow: var(--shadow-glow-green);
    transform: scale(1.03);
}

/* ==============================================================================
   FOOTER
   ============================================================================== */
.main-footer {
    background-color: var(--bg-darker);
    border-top: var(--border-light);
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 50px;
    border-bottom: var(--border-light);
    padding-bottom: 40px;
}

.footer-brand img {
    height: 48px;
    margin-bottom: 20px;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    max-width: 320px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links h4,
.footer-social h4 {
    font-family: var(--font-fancy);
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--dango-pink);
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.03);
    border: var(--border-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    transition: all 0.3s;
}

.social-icon:hover {
    color: var(--dango-pink);
    background: rgba(255, 133, 162, 0.1);
    border-color: var(--dango-pink);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ==============================================================================
   ANIMATIONS & KEYFRAMES
   ============================================================================== */
@keyframes pulseLogo {
    0%, 100% { filter: drop-shadow(0 0 8px rgba(255, 133, 162, 0.4)); }
    50% { filter: drop-shadow(0 0 15px rgba(255, 133, 162, 0.8)); }
}

@keyframes rotateGlow {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes floatLogo {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

@keyframes floatBoss {
    0%, 100% { transform: translateY(0) rotate(-2deg); }
    50% { transform: translateY(-8px) rotate(2deg); }
}

@keyframes floatEnemy {
    0% { transform: translateY(0); }
    100% { transform: translateY(-5px); }
}

@keyframes bouncePlayer {
    0% { transform: translateY(0) scaleY(1); }
    100% { transform: translateY(-5px) scaleY(0.95); }
}

@keyframes shootLaser {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(-260px); opacity: 0; }
}

@keyframes scrollStars {
    from { background-position: 0 0; }
    to { background-position: 0 350px; }
}

@keyframes modalShow {
    from { opacity: 0; transform: scale(0.85); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes heroIdle {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-6px) scale(0.98, 1.02); }
}

/* ==============================================================================
   RESPONSIVE DESIGN (MEDIA QUERIES)
   ============================================================================== */
@media (max-width: 1024px) {
    .tiers-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .main-header {
        padding: 1rem 5%;
    }
    
    .mobile-nav-toggle {
        display: block;
    }
    
    .nav-links {
        display: none; /* Add JS toggle for mobile nav */
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #06060e;
        flex-direction: column;
        padding: 20px 0;
        border-bottom: var(--border-light);
    }
    
    .nav-links.show {
        display: flex;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    
    .hero-content {
        align-items: center;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .grid-2 {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .tiers-grid {
        grid-template-columns: 1fr;
        max-width: 450px;
        margin: 40px auto 0;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .footer-brand p {
        margin: 0 auto;
    }
    
    .social-icons {
        justify-content: center;
    }
}