:root {
    --primary-gradient: linear-gradient(45deg, #FF4B2B, #FF416C);
    --secondary-gradient: linear-gradient(45deg, #2193b0, #6dd5ed);
    --bg-dark: #0f0c29;
    --bg-gradient: linear-gradient(to bottom, #0f0c29, #302b63, #24243e);
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --text-white: #ffffff;
    --text-muted: #b0b0b0;
    --card-radius: 20px;
}

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

body {
    font-family: 'Outfit', sans-serif;
    color: var(--text-white);
    background: var(--bg-gradient);
    min-height: 100vh;
    overflow-x: hidden;
}

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

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

.glass-nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(15, 12, 41, 0.6);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    padding: 15px 0;
}

.logo {
    font-size: 2rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links .btn {
    margin-left: 10px;
}

.lang-switch {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.05);
    padding: 4px;
    border-radius: 50px;
    border: 1px solid var(--glass-border);
    margin-left: 15px;
}

.lang-switch a {
    color: var(--text-white);
    text-decoration: none;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 50px;
    transition: all 0.3s ease;
    opacity: 0.6;
}

.lang-switch a.active {
    background: var(--primary-gradient);
    opacity: 1;
    box-shadow: 0 4px 10px rgba(255, 75, 43, 0.2);
}

.lang-switch a:hover:not(.active) {
    background: rgba(255, 255, 255, 0.1);
    opacity: 1;
}

.hero {
    padding: 150px 20px 100px;
    display: flex;
    align-items: center;
    justify-content: space-around;
    flex-wrap: wrap;
    max-width: 1400px;
    margin: 0 auto;
}

.hero-content {
    max-width: 600px;
    text-align: left;
}

.hero-content h1 {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
}

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

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 30px;
}

.btn {
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    border: none;
    box-shadow: 0 10px 20px rgba(255, 75, 43, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(255, 75, 43, 0.5);
}

.btn-outline {
    border: 1px solid var(--glass-border);
    color: white;
}

.btn-large {
    padding: 18px 45px;
    font-size: 1.2rem;
}

.hero-badges {
    margin-top: 40px;
    display: flex;
    gap: 20px;
}

.hero-badges span {
    background: var(--glass-bg);
    padding: 8px 15px;
    border-radius: 10px;
    border: 1px solid var(--glass-border);
    font-size: 0.9rem;
}

/* Phone Mockup */
.phone-mockup {
    width: 320px;
    height: 600px;
    background: #000;
    border-radius: 40px;
    padding: 10px;
    border: 6px solid #333;
    position: relative;
    box-shadow: 0 50px 100px rgba(0, 0, 0, 0.5);
}

.mock-ui {
    width: 100%;
    height: 100%;
    background: #111;
    border-radius: 30px;
    position: relative;
    overflow: hidden;
}

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

.card {
    position: absolute;
    width: 90%;
    height: 85%;
    border-radius: 20px;
    background: #222;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.card-1 {
    z-index: 3;
    background: linear-gradient(to bottom, #444, #111);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 20px;
}

.card-2 {
    z-index: 2;
    transform: translateY(-10px) scale(0.95);
    background: #333;
}

.card-3 {
    z-index: 1;
    transform: translateY(-20px) scale(0.9);
    background: #222;
}

.photo-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://images.unsplash.com/photo-1517841905240-472988babdf9?w=400') center/cover;
    border-radius: 20px;
}

.info h3 {
    font-size: 1.5rem;
    margin-bottom: 5px;
    position: relative;
    z-index: 4;
}

.info p {
    font-size: 0.9rem;
    opacity: 0.8;
    position: relative;
    z-index: 4;
}

/* Grid Features */
.features {
    padding: 100px 0;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.feature-card {
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    border: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.15);
}

.feature-card .icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.text-center {
    text-align: center;
}

.error-msg,
.success-msg {
    padding: 12px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-size: 0.9rem;
    text-align: center;
}

.error-msg {
    background: rgba(255, 77, 77, 0.2);
    border: 1px solid #ff4d4d;
    color: #ff4d4d;
}

.success-msg {
    background: rgba(75, 255, 43, 0.1);
    border: 1px solid #4bff2b;
    color: #4bff2b;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border-radius: 10px;
    border: 1px solid var(--glass-border);
    background: rgba(0, 0, 0, 0.2);
    color: white;
    font-family: inherit;
    margin-bottom: 15px;
    transition: 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: #FF4B2B;
    background: rgba(0, 0, 0, 0.4);
}

@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero {
        text-align: center;
        justify-content: center;
        padding-top: 100px;
    }

    .hero-content {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .phone-mockup {
        margin-top: 50px;
    }
}