/* Modern Landing Page Styles */

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

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #ec4899;
    --accent: #f59e0b;
    --dark: #0f172a;
    --dark-light: #1e293b;
    --gray: #64748b;
    --gray-light: #cbd5e1;
    --white: #ffffff;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --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);
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    z-index: 0;
}

.gradient-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.3) 0%, rgba(15, 23, 42, 0.7) 100%);
}

.animated-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.3;
    animation: float 20s infinite ease-in-out;
}

.shape-1 {
    width: 400px;
    height: 400px;
    background: var(--gradient-2);
    top: -100px;
    left: -100px;
    animation-delay: 0s;
}

.shape-2 {
    width: 300px;
    height: 300px;
    background: var(--gradient-3);
    bottom: -50px;
    right: -50px;
    animation-delay: 5s;
}

.shape-3 {
    width: 250px;
    height: 250px;
    background: var(--gradient-1);
    top: 50%;
    right: 10%;
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -30px) scale(1.1);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

/* Navbar */
.navbar {
    position: relative;
    z-index: 100;
    padding: 20px 0;
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
    color: var(--white);
}

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

.brand-text sup {
    font-size: 12px;
    top: -0.8em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s;
}

.nav-link:hover {
    opacity: 0.8;
}

/* Language Switcher */
.language-switcher {
    position: relative;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    color: var(--white);
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s;
}

.lang-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--white);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow-xl);
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s;
    z-index: 1000;
}

.lang-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--dark);
    text-decoration: none;
    transition: background 0.2s;
    font-weight: 500;
}

.lang-option:first-child {
    border-radius: 12px 12px 0 0;
}

.lang-option:last-child {
    border-radius: 0 0 12px 12px;
}

.lang-option:hover {
    background: var(--gray-light);
}

.lang-option.active {
    background: var(--primary-light);
    color: var(--white);
}

.lang-option .flag {
    font-size: 20px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
    font-size: 16px;
}

.btn-primary {
    background: var(--white);
    color: var(--primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--white);
}

.btn-large {
    padding: 16px 32px;
    font-size: 18px;
    border-radius: 16px;
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    backdrop-filter: blur(10px);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.2);
}

.btn-white {
    background: var(--white);
    color: var(--primary);
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-outline-white {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-outline-white:hover {
    background: var(--white);
    color: var(--primary);
}

/* Hero Content */
.hero-content {
    position: relative;
    z-index: 10;
    flex: 1;
    display: flex;
    align-items: center;
    padding: 60px 0;
}

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

.hero-text {
    color: var(--white);
}

.hero-title {
    font-size: 64px;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 24px;
}

.title-line {
    display: block;
}

.gradient-text {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 20px;
    line-height: 1.6;
    margin-bottom: 32px;
    opacity: 0.9;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 14px;
    opacity: 0.8;
}

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    width: 300px;
    height: 600px;
    background: var(--dark);
    border-radius: 40px;
    padding: 12px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
    position: relative;
    animation: float-phone 6s infinite ease-in-out;
}

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

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 32px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.game-preview {
    padding: 20px;
}

.card-preview {
    background: var(--white);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    box-shadow: var(--shadow-xl);
}

.card-preview.imposter {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: var(--white);
}

.card-icon {
    font-size: 64px;
    margin-bottom: 16px;
}

.card-text {
    font-size: 32px;
    font-weight: 900;
    letter-spacing: 2px;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--white);
}

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

.section-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--dark);
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--white);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s;
    border: 1px solid var(--gray-light);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--white);
}

.feature-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--dark);
}

.feature-description {
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray);
}

/* How to Play Section */
.how-to-play {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--white) 0%, #f8fafc 100%);
}

.steps {
    max-width: 900px;
    margin: 0 auto;
}

.step {
    display: grid;
    grid-template-columns: 80px 1fr 300px;
    gap: 40px;
    align-items: center;
    margin-bottom: 80px;
    position: relative;
}

.step:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 40px;
    top: 80px;
    width: 2px;
    height: calc(100% + 40px);
    background: linear-gradient(180deg, var(--primary) 0%, var(--primary-light) 100%);
    opacity: 0.3;
}

.step-reverse {
    grid-template-columns: 80px 300px 1fr;
}

.step-reverse .step-content {
    order: 3;
}

.step-reverse .step-visual {
    order: 2;
}

.step-number {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 900;
    color: var(--white);
    box-shadow: var(--shadow-lg);
}

.step-content {
    padding: 20px 0;
}

.step-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--dark);
}

.step-description {
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray);
    margin-bottom: 16px;
}

.role-list {
    list-style: none;
    padding: 0;
}

.role-list li {
    padding: 8px 0;
    font-size: 14px;
    color: var(--gray);
}

.role-list strong {
    color: var(--dark);
}

.step-visual {
    display: flex;
    justify-content: center;
}

.visual-card {
    background: var(--white);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
    text-align: center;
    border: 2px solid var(--primary-light);
}

.visual-icon {
    font-size: 64px;
    margin-bottom: 16px;
}

.visual-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--dark);
}

.visual-cards {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.mini-card {
    background: var(--white);
    border-radius: 12px;
    padding: 20px;
    box-shadow: var(--shadow-md);
    font-size: 18px;
    font-weight: 600;
    color: var(--dark);
    border: 2px solid var(--gray-light);
}

.mini-card.imposter-card {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: var(--white);
    border: none;
}

/* CTA Section */
.cta {
    padding: 100px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="white" opacity="0.1"/></svg>');
    opacity: 0.3;
}

.cta-content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: var(--white);
}

.cta-title {
    font-size: 48px;
    font-weight: 900;
    margin-bottom: 16px;
}

.cta-subtitle {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* Footer */
.footer {
    padding: 40px 0;
    background: var(--dark);
    color: var(--white);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    text-align: center;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
}

.footer-text {
    opacity: 0.7;
    font-size: 14px;
}

.footer-text p {
    margin: 4px 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content .container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-visual {
        order: -1;
    }

    .phone-mockup {
        width: 250px;
        height: 500px;
    }

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

    .hero-subtitle {
        font-size: 18px;
    }

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

    /* Mobile-friendly navigation layout */
    .navbar .container {
        flex-direction: column;
        align-items: stretch;
    }

    .nav-brand {
        justify-content: center;
    }

    .nav-links {
        flex-direction: column;
        width: 100%;
        gap: 12px;
        margin-top: 16px;
    }

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

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

    .step {
        grid-template-columns: 60px 1fr;
        gap: 20px;
    }

    .step-visual {
        grid-column: 1 / -1;
        margin-top: 20px;
    }

    .step-reverse {
        grid-template-columns: 60px 1fr;
    }

    .step-reverse .step-content {
        order: 2;
    }

    .step-reverse .step-visual {
        order: 3;
        grid-column: 1 / -1;
    }

    .step-number {
        width: 60px;
        height: 60px;
        font-size: 24px;
    }

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

    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 36px;
    }

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

    .hero-stats {
        gap: 24px;
    }

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

    .stat-label {
        font-size: 12px;
    }
}