:root {
    --primary: #52aaff;
    --accent: #00d4ff;
    --bg-dark: #050a14;
    --bg-card: rgba(13, 21, 38, 0.7);
    --bg-navbar: rgba(5, 10, 20, 0.8);
    --text-main: #ffffff;
    --text-muted: #94a3b8;
    --gradient: linear-gradient(135deg, #52aaff 0%, #00d4ff 100%);
    --glass-border: rgba(255, 255, 255, 0.1);
    --shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Typography */
h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
}

a {
    text-decoration: none;
    transition: 0.3s;
    color: inherit;
}

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

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: all 0.4s ease;
}

.navbar-scrolled {
    background: var(--bg-navbar);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--glass-border);
    padding: 1rem 0;
}

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

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

.nav-logo-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-text span {
    color: var(--primary);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 2rem;
}

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

.lang-switcher {
    display: flex;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 4px;
    border-radius: 10px;
    border: 1px solid var(--glass-border);
}

.lang-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s;
}

.lang-btn:hover {
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.1);
}

.lang-btn.active {
    background: var(--primary);
    color: #fff;
}

/* Hero Section */
.hero {
    padding-top: 12rem;
    padding-bottom: 8rem;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    min-height: 100vh;
}

.hero-bg-glow {
    position: absolute;
    top: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(82, 170, 255, 0.15) 0%, transparent 70%);
    z-index: -1;
    filter: blur(80px);
}

.hero .container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 600px;
    margin-bottom: 2.5rem;
}

.badge {
    background: rgba(82, 170, 255, 0.1);
    border: 1px solid rgba(82, 170, 255, 0.2);
    padding: 6px 16px;
    border-radius: 50px;
    color: var(--primary);
    font-size: 0.875rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 1.5rem;
}

.hero-btns {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
}

/* Buttons */
.btn {
    padding: 12px 28px;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.btn-primary {
    background: var(--gradient);
    color: #fff;
    box-shadow: 0 10px 20px -5px rgba(82, 170, 255, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px -8px rgba(82, 170, 255, 0.5);
}

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

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--primary);
    transform: translateY(-3px);
}

.btn-nav {
    padding: 10px 24px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
}

.btn-apple {
    gap: 12px;
    padding: 10px 24px;
}

.btn-apple i {
    font-size: 2rem;
}

.btn-text {
    display: flex;
    flex-direction: column;
    text-align: left;
    line-height: 1.1;
}

.btn-text span {
    font-size: 0.75rem;
    opacity: 0.8;
}

.btn-text strong {
    font-size: 1.15rem;
}

/* Hero Visual */
.hero-img-wrapper {
    position: relative;
    border-radius: 40px;
    padding: 10px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    box-shadow: var(--shadow);
}

.hero-img {
    width: 100%;
    height: auto;
    border-radius: 32px;
    display: block;
}

/* Sections */
section {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

.section-title h2 {
    font-size: 2.8rem;
    margin-bottom: 1rem;
}

.section-title p {
    font-size: 1.2rem;
    color: var(--text-muted);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--bg-card);
    padding: 3rem 2rem;
    border-radius: 30px;
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    transition: 0.4s;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    background: rgba(82, 170, 255, 0.05);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: rgba(82, 170, 255, 0.1);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-icon i {
    font-size: 1.5rem;
    color: var(--primary);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-muted);
}

/* How it Works */
.steps {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.step {
    display: flex;
    gap: 3rem;
    align-items: center;
}

.step-num {
    font-size: 5rem;
    font-weight: 900;
    font-family: var(--font-heading);
    opacity: 0.1;
    -webkit-text-stroke: 1px var(--text-main);
    color: transparent;
}

.step-content h4 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.step-content p {
    font-size: 1.1rem;
    color: var(--text-muted);
}

/* CTA */
.cta-inner {
    background: var(--gradient);
    padding: 5rem 3rem;
    border-radius: 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-inner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://www.transparenttextures.com/patterns/cubes.png');
    opacity: 0.1;
}

.cta h2 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.cta p {
    font-size: 1.25rem;
    max-width: 600px;
    margin: 0 auto 3rem;
    opacity: 0.9;
}

.cta-btns {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.cta .btn-apple {
    background: #000;
    box-shadow: 0 10px 20px -5px rgba(0, 0, 0, 0.4);
}

/* Footer */
footer {
    padding-top: 80px;
    padding-bottom: 40px;
    border-top: 1px solid var(--glass-border);
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
}

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

.footer-social {
    display: flex;
    gap: 1.5rem;
}

.footer-social a {
    font-size: 1.5rem;
    opacity: 0.6;
}

.footer-social a:hover {
    opacity: 1;
    color: var(--primary);
}

hr {
    border: 0;
    border-top: 1px solid var(--glass-border);
    margin-bottom: 2rem;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    color: var(--text-muted);
    font-size: 0.875rem;
}

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

/* Responsive */
@media (max-width: 992px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content p {
        margin: 0 auto 2.5rem;
    }

    .hero-btns {
        justify-content: center;
    }

    .hero-visual {
        max-width: 500px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 3rem;
    }

    .nav-links {
        display: none;
    }

    .step {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .footer-top,
    .footer-bottom {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }

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