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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    overflow-x: hidden;
}

/* Wave Background */
.wave-background {
    position: relative;
    width: 100%;
    min-height: 100vh;
    background: linear-gradient(135deg, #316645 0%, #427C5F 100%);
    overflow: hidden;
}

.wave-background::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 100%;
    top: 0;
    left: -50%;
    background: 
        radial-gradient(ellipse at 30% 40%, rgba(255, 255, 255, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 60%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    animation: wave 20s ease-in-out infinite;
}

@keyframes wave {
    0%, 100% { transform: translateX(0) translateY(0); }
    50% { transform: translateX(-25%) translateY(-10px); }
}

/* Navigation */
nav {
    position: relative;
    z-index: 100;
    padding: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s;
}

.nav-links a:hover {
    opacity: 0.8;
}

/* Hero Section */
.hero {
    position: relative;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
    min-height: calc(100vh - 120px);
}

.hero-content {
    flex: 1;
    color: white;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 3rem;
    opacity: 0.95;
    line-height: 1.6;
}

/* Phone Mockup */
.phone-mockup {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone {
    width: 280px;
    height: 570px;
    background: #1a1a1a;
    border-radius: 40px;
    padding: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    position: relative;
}

.phone::before {
    content: '';
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 25px;
    background: #1a1a1a;
    border-radius: 0 0 20px 20px;
    z-index: 2;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background-image: url('login.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border-radius: 32px;
}

/* Content Pages */
.content-page {
    position: relative;
    z-index: 10;
    max-width: 800px;
    margin: 0 auto;
    padding: 4rem 2rem;
    color: white;
}

.content-page h1 {
    font-size: 3rem;
    margin-bottom: 2rem;
}

.content-page h2 {
    font-size: 1.8rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.content-page p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    opacity: 0.95;
}

.content-page ul {
    margin-left: 2rem;
    margin-bottom: 1.5rem;
}

.content-page li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.back-link {
    display: inline-block;
    margin-bottom: 2rem;
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.back-link:hover {
    opacity: 1;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .hero {
        flex-direction: column;
        gap: 3rem;
        padding-top: 2rem;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content p {
        font-size: 1.1rem;
    }

    .phone {
        width: 240px;
        height: 490px;
    }

    .nav-links {
        gap: 1rem;
    }

    nav {
        padding: 1.5rem;
    }

    .content-page {
        padding: 2rem 1.5rem;
    }

    .content-page h1 {
        font-size: 2rem;
    }

    .content-page h2 {
        font-size: 1.5rem;
    }
}