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

:root {
    --primary-blue: #4facfe;
    --primary-purple: #764ba2;
    --dark-blue: #1a2332;
    --text-dark: #1f2937;
    --text-gray: #6b7280;
    --text-light: #9ca3af;
    --bg-light: #f9fafb;
    --white: #ffffff;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

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

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

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

.logo-text {
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-cta {
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-purple) 100%);
    color: white;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(79, 172, 254, 0.3);
}

/* Hero Section */
.hero {
    position: relative;
    padding: 140px 0 100px;
    background: linear-gradient(180deg, #f0f9ff 0%, #ffffff 100%);
    overflow: hidden;
}

.hero-gradient {
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(79, 172, 254, 0.15) 0%, rgba(118, 75, 162, 0.05) 50%, transparent 100%);
    border-radius: 50%;
    pointer-events: none;
}

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

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--text-dark);
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 20px;
    color: var(--text-gray);
    margin-bottom: 40px;
    line-height: 1.8;
}

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

.stat {
    text-align: left;
}

.stat-number {
    font-size: 36px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 36px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-purple) 100%);
    color: white;
    text-decoration: none;
    border-radius: 16px;
    font-size: 18px;
    font-weight: 600;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 10px 30px rgba(79, 172, 254, 0.3);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(79, 172, 254, 0.4);
}

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

.phone-mockup {
    position: relative;
    width: 300px;
    animation: float 3s ease-in-out infinite;
}

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

.app-screenshot {
    width: 100%;
    border-radius: 40px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.2);
}

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

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

.section-title {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.feature-card {
    padding: 40px;
    background: white;
    border-radius: 24px;
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    border-color: transparent;
}

.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    transition: transform 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
}

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

.feature-description {
    font-size: 16px;
    color: var(--text-gray);
    line-height: 1.7;
}

/* Showcase Section */
.showcase {
    padding: 100px 0;
    background: linear-gradient(180deg, #ffffff 0%, #f9fafb 100%);
}

.showcase-grid {
    display: flex;
    flex-direction: column;
    gap: 80px;
}

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

.showcase-item.reverse {
    direction: rtl;
}

.showcase-item.reverse > * {
    direction: ltr;
}

.phone-frame {
    position: relative;
    max-width: 350px;
    margin: 0 auto;
}

.showcase-screenshot {
    width: 100%;
    border-radius: 40px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.showcase-text h3 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.showcase-text p {
    font-size: 18px;
    color: var(--text-gray);
    line-height: 1.8;
}

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

.download::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    filter: blur(80px);
}

.download::after {
    content: '';
    position: absolute;
    bottom: -30%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    filter: blur(100px);
}

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

.download-title {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
}

.download-description {
    font-size: 20px;
    line-height: 1.8;
    margin-bottom: 40px;
    opacity: 0.9;
}

.download-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

.app-store-button {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 28px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 16px;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.app-store-button:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

.button-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.button-subtitle {
    font-size: 12px;
    opacity: 0.8;
}

.button-title {
    font-size: 18px;
    font-weight: 700;
}

.download-note {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    opacity: 0.8;
}

.floating-phone {
    max-width: 350px;
    margin: 0 auto;
    animation: float 3s ease-in-out infinite;
}

.download-screenshot {
    width: 100%;
    border-radius: 40px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
}

/* Footer */
.footer {
    padding: 60px 0;
    background: var(--dark-blue);
    color: white;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

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

.footer-logo-text {
    font-size: 24px;
    font-weight: 700;
}

.footer-text {
    font-size: 16px;
    opacity: 0.7;
}

.footer-copyright {
    font-size: 14px;
    opacity: 0.5;
    margin-top: 16px;
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero-content,
    .showcase-item,
    .download-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-title {
        font-size: 42px;
    }

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

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

    .hero-image {
        order: -1;
    }

    .phone-mockup,
    .phone-frame,
    .floating-phone {
        max-width: 280px;
    }

    .showcase-item.reverse {
        direction: ltr;
    }
}

@media (max-width: 640px) {
    .hero {
        padding: 100px 0 60px;
    }

    .hero-title {
        font-size: 32px;
    }

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

    .section-title {
        font-size: 28px;
    }

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

    .feature-card {
        padding: 30px;
    }

    .hero-stats {
        gap: 30px;
    }

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

    .cta-button {
        font-size: 16px;
        padding: 16px 28px;
    }

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

    .app-store-button {
        justify-content: center;
    }
}