/* ===== Reset & Base ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #6C3CE1;
    --primary-dark: #5228C0;
    --secondary: #FF6B35;
    --accent: #FFD23F;
    --bg-dark: #1A0B3E;
    --bg-light: #F8F6FF;
    --text-dark: #2D2D3A;
    --text-light: #6B6B80;
    --white: #FFFFFF;
    --gradient-1: linear-gradient(135deg, #6C3CE1 0%, #9B59E8 50%, #FF6B35 100%);
    --gradient-2: linear-gradient(135deg, #1A0B3E 0%, #3D1F8E 100%);
    --shadow-sm: 0 2px 8px rgba(108, 60, 225, 0.1);
    --shadow-md: 0 8px 30px rgba(108, 60, 225, 0.15);
    --shadow-lg: 0 20px 60px rgba(108, 60, 225, 0.2);
    --radius: 16px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Nunito', sans-serif;
    color: var(--text-dark);
    background: var(--white);
    overflow-x: hidden;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.highlight {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title {
    font-family: 'Fredoka One', cursive;
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 12px;
}

.section-desc {
    text-align: center;
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 50px;
    max-width: 550px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 16px 0;
    transition: all 0.3s ease;
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    padding: 10px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.logo-icon {
    font-size: 1.8rem;
}

.logo-text {
    font-family: 'Fredoka One', cursive;
    font-size: 1.5rem;
    color: var(--white);
    transition: color 0.3s;
}

.header.scrolled .logo-text {
    color: var(--primary);
}

.nav {
    display: flex;
    gap: 32px;
}

.nav a {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 700;
    font-size: 0.95rem;
    transition: color 0.3s;
    position: relative;
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s;
}

.nav a:hover::after {
    width: 100%;
}

.header.scrolled .nav a {
    color: var(--text-dark);
}

.header.scrolled .nav a:hover {
    color: var(--primary);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-menu-btn span {
    display: block;
    width: 26px;
    height: 3px;
    background: var(--white);
    border-radius: 3px;
    transition: all 0.3s;
}

.header.scrolled .mobile-menu-btn span {
    background: var(--text-dark);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

/* ===== Hero ===== */
.hero {
    background: var(--gradient-2);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 120px 0 80px;
}

.hero-bg-shapes .shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.08;
}

.shape-1 {
    width: 500px;
    height: 500px;
    background: var(--secondary);
    top: -150px;
    right: -100px;
}

.shape-2 {
    width: 300px;
    height: 300px;
    background: var(--accent);
    bottom: -80px;
    left: -80px;
}

.shape-3 {
    width: 200px;
    height: 200px;
    background: var(--primary);
    top: 40%;
    left: 15%;
}

/* Floating bingo balls */
.bingo-ball {
    position: absolute;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Fredoka One', cursive;
    font-size: 1.2rem;
    color: var(--white);
    opacity: 0.15;
    animation: floatBall 6s ease-in-out infinite;
}

.ball-1 { background: #FF6B35; top: 15%; left: 5%; animation-delay: 0s; }
.ball-2 { background: #6C3CE1; top: 25%; right: 8%; animation-delay: 1.5s; }
.ball-3 { background: #FFD23F; color: #333; bottom: 20%; left: 10%; animation-delay: 3s; }
.ball-4 { background: #E74C8B; bottom: 30%; right: 5%; animation-delay: 4.5s; }

@keyframes floatBall {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(15deg); }
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-family: 'Fredoka One', cursive;
    font-size: 3.5rem;
    color: var(--white);
    line-height: 1.15;
    margin-bottom: 20px;
}

.hero-title .highlight {
    background: linear-gradient(135deg, #FFD23F 0%, #FF6B35 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.2rem;
    margin-bottom: 36px;
    line-height: 1.7;
    max-width: 480px;
}

.download-btn {
    display: inline-block;
    transition: transform 0.3s, box-shadow 0.3s;
}

.download-btn:hover {
    transform: translateY(-3px);
    filter: brightness(1.05);
}

.gp-badge {
    height: 64px;
    border-radius: 12px;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: 24px;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
    animation: heroFloat 4s ease-in-out infinite;
}

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

/* ===== Features ===== */
.features {
    padding: 100px 0;
    background: var(--bg-light);
}

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

.feature-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 36px 28px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid rgba(108, 60, 225, 0.06);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    font-size: 2.8rem;
    margin-bottom: 18px;
}

.feature-card h3 {
    font-family: 'Fredoka One', cursive;
    font-size: 1.25rem;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ===== Gallery ===== */
.gallery {
    padding: 100px 0;
    background: var(--white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.gallery-item {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s, box-shadow 0.3s;
}

.gallery-item:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ===== Download CTA ===== */
.download-cta {
    padding: 100px 0;
    background: var(--gradient-2);
    position: relative;
    overflow: hidden;
    text-align: center;
}

.download-cta::before {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: var(--secondary);
    border-radius: 50%;
    opacity: 0.06;
    top: -100px;
    left: -100px;
}

.download-cta::after {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: var(--accent);
    border-radius: 50%;
    opacity: 0.06;
    bottom: -80px;
    right: -80px;
}

.download-content {
    position: relative;
    z-index: 2;
}

.download-content h2 {
    font-family: 'Fredoka One', cursive;
    font-size: 2.5rem;
    color: var(--white);
    margin-bottom: 16px;
}

.download-content h2 .highlight {
    background: linear-gradient(135deg, #FFD23F 0%, #FF6B35 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.download-content p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.15rem;
    margin-bottom: 36px;
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== Footer ===== */
.footer {
    background: #0F0625;
    padding: 60px 0 30px;
    color: rgba(255, 255, 255, 0.7);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand p {
    margin-top: 12px;
    font-size: 0.95rem;
    line-height: 1.6;
}

.footer-brand .logo-text {
    color: var(--white);
}

.footer-links h4 {
    color: var(--white);
    font-family: 'Fredoka One', cursive;
    font-size: 1.05rem;
    margin-bottom: 16px;
}

.footer-links a {
    display: block;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    margin-bottom: 10px;
    font-size: 0.95rem;
    transition: color 0.3s;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 24px;
    text-align: center;
    font-size: 0.9rem;
}

/* ===== Responsive ===== */
@media (max-width: 992px) {
    .hero-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-title {
        font-size: 2.8rem;
    }

    .hero-image img {
        max-width: 80%;
    }

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

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

@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background: var(--bg-dark);
        flex-direction: column;
        padding: 100px 40px 40px;
        gap: 24px;
        transition: right 0.3s ease;
        box-shadow: -10px 0 40px rgba(0, 0, 0, 0.3);
    }

    .nav.open {
        right: 0;
    }

    .nav a {
        color: rgba(255, 255, 255, 0.85) !important;
        font-size: 1.1rem;
    }

    .mobile-menu-btn {
        display: flex;
        z-index: 1001;
    }

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

    .hero-title {
        font-size: 2.2rem;
    }

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

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .download-content h2 {
        font-size: 2rem;
    }
}