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

:root {
    /* Colors */
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary-color: #ec4899;
    --secondary-dark: #db2777;
    --accent-color: #f59e0b;
    --success-color: #10b981;

    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;

    --text-primary: #ffffff;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;

    --gradient-1: linear-gradient(135deg, #6366f1 0%, #ec4899 100%);
    --gradient-2: linear-gradient(135deg, #f59e0b 0%, #ec4899 100%);
    --gradient-3: linear-gradient(135deg, #10b981 0%, #6366f1 100%);

    /* Spacing */
    --container-width: 1200px;
    --section-padding: 100px 20px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-base);
}

.navbar.scrolled {
    background: rgba(15, 23, 42, 0.95);
    box-shadow: var(--shadow-lg);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
}

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

.nav-menu {
    display: flex;
    gap: 40px;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    transition: var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

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

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

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 3px;
    transition: var(--transition-base);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    padding: 180px 20px 120px;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: float 20s infinite ease-in-out;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: var(--gradient-1);
    top: -200px;
    right: -200px;
    animation-delay: 0s;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: var(--gradient-2);
    bottom: -150px;
    left: -150px;
    animation-delay: 5s;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: var(--gradient-3);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(50px, -50px) scale(1.1);
    }
    66% {
        transform: translate(-50px, 50px) scale(0.9);
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero-title {
    font-size: 64px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
}

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

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 60px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 16px;
    text-decoration: none;
    transition: var(--transition-base);
    cursor: pointer;
    border: none;
}

.btn-icon {
    width: 20px;
    height: 20px;
}

.btn-primary {
    background: var(--gradient-1);
    color: var(--text-primary);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 2px solid rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
    background: var(--bg-tertiary);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.btn-large {
    padding: 20px 48px;
    font-size: 18px;
}

.hero-stats {
    display: flex;
    gap: 60px;
}

.stat-item {
    text-align: left;
}

.stat-number {
    font-size: 36px;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 4px;
}

.stat-label {
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 500;
}

/* Phone Mockup */
.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    position: relative;
    animation: floatPhone 6s infinite ease-in-out;
}

@keyframes floatPhone {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

.phone-frame {
    width: 320px;
    height: 640px;
    background: linear-gradient(145deg, #1e293b, #0f172a);
    border-radius: 40px;
    padding: 12px;
    box-shadow:
        0 50px 100px rgba(0, 0, 0, 0.5),
        inset 0 0 0 2px rgba(255, 255, 255, 0.1);
    position: relative;
}

.phone-frame::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 25px;
    background: #0f172a;
    border-radius: 0 0 20px 20px;
    z-index: 2;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    border-radius: 32px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.bingo-animation {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.bingo-ball {
    position: absolute;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    animation: rotateBalls 10s infinite linear;
}

.ball-1 {
    background: linear-gradient(135deg, #6366f1, #818cf8);
    animation-delay: 0s;
}

.ball-2 {
    background: linear-gradient(135deg, #ec4899, #f472b6);
    animation-delay: 2s;
}

.ball-3 {
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
    animation-delay: 4s;
}

.ball-4 {
    background: linear-gradient(135deg, #10b981, #34d399);
    animation-delay: 6s;
}

.ball-5 {
    background: linear-gradient(135deg, #8b5cf6, #a78bfa);
    animation-delay: 8s;
}

@keyframes rotateBalls {
    0% {
        transform: rotate(0deg) translateX(100px) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: rotate(360deg) translateX(100px) rotate(-360deg);
        opacity: 0;
    }
}

/* ===== Features Section ===== */
.features {
    padding: var(--section-padding);
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 16px;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    transition: var(--transition-base);
    backdrop-filter: blur(10px);
}

.feature-card:hover {
    background: rgba(30, 41, 59, 0.8);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.feature-icon svg {
    width: 32px;
    height: 32px;
    color: white;
}

.feature-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== About Section ===== */
.about {
    padding: var(--section-padding);
    background: rgba(30, 41, 59, 0.3);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image {
    position: relative;
    height: 500px;
}

.about-card {
    position: absolute;
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 24px;
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-xl);
    animation: floatCard 4s infinite ease-in-out;
}

.card-1 {
    top: 50px;
    left: 0;
    animation-delay: 0s;
}

.card-2 {
    top: 200px;
    right: 50px;
    animation-delay: 1s;
}

.card-3 {
    bottom: 50px;
    left: 80px;
    animation-delay: 2s;
}

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

.card-icon {
    font-size: 32px;
}

.card-text {
    font-weight: 600;
    font-size: 18px;
}

.about-text .section-title {
    text-align: left;
    margin-bottom: 32px;
}

.about-description {
    color: var(--text-secondary);
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 24px;
}

.about-highlights {
    margin-top: 40px;
    display: grid;
    gap: 16px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-secondary);
    font-size: 16px;
}

.highlight-icon {
    width: 24px;
    height: 24px;
    color: var(--success-color);
    flex-shrink: 0;
}

/* ===== Download Section ===== */
.download {
    padding: var(--section-padding);
    position: relative;
    overflow: hidden;
}

.download-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.orb-4 {
    width: 500px;
    height: 500px;
    background: var(--gradient-1);
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
}

.orb-5 {
    width: 400px;
    height: 400px;
    background: var(--gradient-2);
    bottom: -100px;
    right: 10%;
}

.download-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.download-content .section-title {
    margin-bottom: 16px;
}

.download-content .section-subtitle {
    margin-bottom: 40px;
}

.download-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 24px;
    color: var(--text-muted);
    font-size: 14px;
}

.info-icon {
    width: 20px;
    height: 20px;
}

/* ===== Footer ===== */
.footer {
    background: rgba(15, 23, 42, 0.8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 60px 20px 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.footer-logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
}

.footer-logo-text {
    font-size: 20px;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

.footer-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

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

.footer-contact {
    color: var(--text-secondary);
    line-height: 1.6;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: var(--text-muted);
    font-size: 14px;
}

.footer-disclaimer {
    margin-top: 8px;
    font-size: 13px;
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .hero-image {
        order: -1;
    }

    .hero-title {
        font-size: 48px;
    }

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

    .about-content {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(15, 23, 42, 0.98);
        backdrop-filter: blur(12px);
        flex-direction: column;
        justify-content: flex-start;
        padding: 40px 20px;
        gap: 30px;
        transition: var(--transition-base);
    }

    .nav-menu.active {
        left: 0;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

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

    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .hero {
        padding: 140px 20px 80px;
        min-height: auto;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-stats {
        gap: 40px;
    }

    .stat-number {
        font-size: 28px;
    }

    .phone-frame {
        width: 260px;
        height: 520px;
    }

    .bingo-ball {
        width: 60px;
        height: 60px;
        font-size: 16px;
    }

    @keyframes rotateBalls {
        0% {
            transform: rotate(0deg) translateX(70px) rotate(0deg);
            opacity: 0;
        }
        10% {
            opacity: 1;
        }
        90% {
            opacity: 1;
        }
        100% {
            transform: rotate(360deg) translateX(70px) rotate(-360deg);
            opacity: 0;
        }
    }

    .section-title {
        font-size: 36px;
    }

    .section-subtitle {
        font-size: 16px;
    }

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

    .about-image {
        height: 400px;
    }

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

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }

    .btn {
        padding: 14px 24px;
        font-size: 14px;
    }

    .btn-large {
        padding: 16px 32px;
        font-size: 16px;
    }
}

/* ===== Animations ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

/* ===== Scroll Animations ===== */
.scroll-reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease-out;
}

.scroll-reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Loading State ===== */
.loading {
    pointer-events: none;
    opacity: 0.6;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 24px;
    height: 24px;
    margin: -12px 0 0 -12px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}