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

:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --bg-card: #141414;
    --purple-primary: #8b5cf6;
    --purple-dark: #6d28d9;
    --purple-light: #a78bfa;
    --yellow: #fbbf24;
    --green: #10b981;
    --red: #ef4444;
    --text-primary: #ffffff;
    --text-secondary: #a3a3a3;
}

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

/* Navbar */
.navbar {
    background: rgba(20, 20, 20, 0.95);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(139, 92, 246, 0.3);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-text {
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--purple-primary), var(--purple-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 2px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--purple-primary);
    transition: width 0.3s ease;
}

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

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--purple-primary);
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    max-width: 1400px;
    margin: 0 auto;
    padding: 6rem 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 4.5rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--purple-primary), var(--purple-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    letter-spacing: -2px;
}

.subtitle {
    font-size: 1.8rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-weight: 300;
}

.description {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.features {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.highlight-yellow {
    color: var(--yellow);
    font-weight: 700;
}

.highlight-green {
    color: var(--green);
    font-weight: 700;
}

.highlight-red {
    color: var(--red);
    font-weight: 700;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, var(--purple-primary), var(--purple-dark));
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(139, 92, 246, 0.4);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(139, 92, 246, 0.6);
}

.cta-button.large {
    padding: 1.2rem 3rem;
    font-size: 1.3rem;
}

/* Hero / CTA action rows */
.hero-actions, .cta-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.cta-actions {
    justify-content: center;
    margin-bottom: 1.5rem;
}

/* Google Play badge */
.play-store-badge {
    display: inline-block;
    line-height: 0;
    border-radius: 12px;
    transition: all 0.3s ease;
    filter: drop-shadow(0 8px 20px rgba(0, 0, 0, 0.4));
}

.play-store-badge img {
    display: block;
    height: auto;
    max-width: 100%;
}

.play-store-badge:hover {
    transform: translateY(-3px) scale(1.03);
    filter: drop-shadow(0 12px 28px rgba(139, 92, 246, 0.5));
}

/* Phone Mockup */
.phone-mockup {
    perspective: 1000px;
}

.phone-screen {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-card));
    border-radius: 40px;
    padding: 20px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5), 0 0 0 10px #2a2a2a;
    transform: rotateY(-15deg);
    transition: transform 0.5s ease;
}

.phone-screen:hover {
    transform: rotateY(0deg);
}

.app-interface {
    background: var(--bg-primary);
    border-radius: 20px;
    padding: 20px;
    min-height: 400px;
}

.app-header {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--purple-light);
}

.app-content {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.stat-box {
    background: var(--bg-secondary);
    border-radius: 15px;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-left: 4px solid var(--purple-primary);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--purple-light);
}

/* Features Section */
.features-section {
    max-width: 1400px;
    margin: 6rem auto;
    padding: 4rem 2rem;
    background: var(--bg-secondary);
    border-radius: 30px;
}

.features-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-primary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 20px;
    transition: all 0.3s ease;
    border: 1px solid rgba(139, 92, 246, 0.1);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--purple-primary);
    box-shadow: 0 20px 40px rgba(139, 92, 246, 0.3);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: inline-block;
}

.feature-icon.yellow {
    filter: drop-shadow(0 0 20px var(--yellow));
}

.feature-icon.green {
    filter: drop-shadow(0 0 20px var(--green));
}

.feature-icon.red {
    filter: drop-shadow(0 0 20px var(--red));
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--purple-light);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* iPhone Instructions */
.iphone-section {
    max-width: 1400px;
    margin: 6rem auto;
    padding: 4rem 2rem;
    text-align: center;
}

.iphone-section h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.iphone-instructions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.instruction-step {
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: 20px;
    position: relative;
    border: 1px solid rgba(139, 92, 246, 0.2);
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--purple-primary), var(--purple-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1rem;
}

.instruction-step h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--purple-light);
}

.instruction-step p {
    color: var(--text-secondary);
}

/* CTA Section */
.cta-section {
    max-width: 1400px;
    margin: 6rem auto;
    padding: 4rem 2rem;
    text-align: center;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(109, 40, 217, 0.1));
    border-radius: 30px;
    border: 1px solid rgba(139, 92, 246, 0.3);
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.cta-subtext {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Footer */
footer {
    background: var(--bg-secondary);
    padding: 3rem 2rem 1rem;
    margin-top: 6rem;
    border-top: 1px solid rgba(139, 92, 246, 0.3);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    color: var(--purple-light);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--purple-light);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(139, 92, 246, 0.2);
    color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(20, 20, 20, 0.98);
        flex-direction: column;
        padding: 2rem;
        gap: 1rem;
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: all 0.3s ease;
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .hero {
        grid-template-columns: 1fr;
        padding: 3rem 1rem;
    }

    .hero-content h1 {
        font-size: 3rem;
    }

    .subtitle {
        font-size: 1.3rem;
    }

    .phone-screen {
        transform: rotateY(0);
    }

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

    .hero-actions, .cta-actions {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }

    .play-store-badge {
        align-self: center;
    }
}