:root {
    --bg-color: #000000;
    --text-color: #ffffff;
    --accent-color: #0071e3;
    --secondary-text: #86868b;
    --glass-bg: rgba(22, 22, 23, 0.8);
    --glass-border: rgba(255, 255, 255, 0.1);
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-family);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Typography */
h1 {
    font-size: 5rem;
    font-weight: 700;
    letter-spacing: -0.015em;
    line-height: 1.07;
}

@media (max-width: 768px) {
    h1 {
        font-size: 3rem;
    }
}
#hero-title {
    margin-top: 2rem;
}

p.hero-subtext {
    font-size: 1.75rem;
    color: var(--secondary-text);
    max-width: 800px;
    margin: 1.5rem 0;
}

.hero-actions {
    display: flex;
    flex-direction: column;
    align-items: start;
}

.download-note {
    margin-top: 1rem;
    color: var(--secondary-text);
    font-size: 0.95rem;
}

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

/* Sections */
section {
    padding: 100px 0;
    text-align: center;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    height: 50px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
    display: flex;
    align-items: center;
}

nav .container {
    display: flex;
    justify-content: space-between;
    width: 100%;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 1.2rem;
    text-decoration: none;
    color: white;
}

.logo-icon {
    width: 24px;
    height: 24px;
    display: block;
    border-radius: 6px;
}

.nav-links {
    display: flex;
    gap: 24px;
}

.nav-links a {
    text-decoration: none;
    color: #a1a1a6;
    font-size: 0.8rem;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: white;
}

.lang-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--glass-border);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-left: 8px;
}

.lang-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 80px 0;
    background: radial-gradient(circle at top center, #1a1a1a 0%, #000 70%);
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 1s cubic-bezier(0.2, 0.45, 0.3, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Mockup */
.mockup-container {
    margin-top: 4rem;
    max-width: 1400px;
    width: 98%;
    border-radius: 40px;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--glass-border);
    display: flex;
    justify-content: center;
    align-items: center;
    background: #000;
}

.mockup-container img {
    width: 100%;
    height: auto;
    max-height: 40vh;
    object-fit: cover;
    display: block;
}
@media (min-width: 768px) {
    .mockup-container img {
        max-height: 85vh;
        object-position: 0 -200px;

    }
}

/* Features Gear */
.features {
    background-color: #000;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.feature-card {
    background: #161617;
    padding: 3rem 2rem;
    border-radius: 30px;
    text-align: left;
    transition: transform 0.3s ease;
    border: 1px solid transparent;
}

.feature-card:hover {
    transform: translateY(-5px);
    border: 1px solid var(--glass-border);
}

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

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

.feature-icon {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--accent-color);
}

/* CTA */
.cta-button {
    display: inline-block;
    background-color: #fff;
    color: #000;
    padding: 1.2rem 2.4rem;
    border-radius: 980px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.2s ease;
    margin-top: 2rem;
}

.cta-button:hover {
    transform: scale(1.02);
    opacity: 0.9;
}

.download-section {
    background: linear-gradient(180deg, #050505 0%, #101014 100%);
}

.download-section h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.download-description {
    max-width: 780px;
    margin: 0 auto;
    color: var(--secondary-text);
    font-size: 1.1rem;
}

.download-description code {
    color: var(--text-color);
}

.install-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
    margin-top: 3rem;
    text-align: left;
}

.install-step {
    padding: 1.5rem;
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.03);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    margin-bottom: 1rem;
    border-radius: 999px;
    background: var(--accent-color);
    color: #fff;
    font-weight: 700;
}

.install-step h3 {
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
}

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

@media (max-width: 768px) {
    .download-section h2 {
        font-size: 2.3rem;
    }

    .download-description {
        font-size: 1rem;
    }

    .nav-links {
        gap: 16px;
    }
}

/* Footer */
footer {
    padding: 4rem 0;
    background: #161617;
    border-top: 1px solid var(--glass-border);
    color: var(--secondary-text);
    font-size: 0.9rem;
}

.footer-nav {
    margin-bottom: 2rem;
    display: flex;
    justify-content: center;
    gap: 2.5rem;
}

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

.footer-nav a:hover {
    color: white;
}

footer p {
    margin-bottom: 1rem;
}

/* Interface Preview Section */
.interface-preview {
    background: #000;
    padding: 120px 0;
}

.interface-content {
    display: flex;
    align-items: center;
    gap: 6rem;
    text-align: left;
}

.interface-text {
    flex: 1.2;
}

.interface-text h2 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    background: linear-gradient(180deg, #fff 0%, #a1a1a6 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.interface-text p {
    font-size: 1.4rem;
    color: var(--secondary-text);
    margin-bottom: 2.5rem;
    line-height: 1.4;
}

.interface-features {
    list-style: none;
    padding: 0;
}

.interface-features li {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 16px;
    color: #dfdfe2;
}

.interface-image-container {
    flex: 1;
    display: flex;
    justify-content: center;
    perspective: 1000px;
}

.app-screenshot {
    max-width: 380px;
    width: 100%;
    border-radius: 28px;
    box-shadow: 
        0 40px 100px rgba(0, 0, 0, 0.9),
        0 0 40px rgba(0, 113, 227, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.app-screenshot:hover {
    transform: rotateY(-5deg) rotateX(5deg) scale(1.05);
}

@media (max-width: 968px) {
    .interface-content {
        flex-direction: column;
        text-align: center;
        gap: 4rem;
    }
    
    .interface-features li {
        justify-content: center;
    }

    .interface-text h2 {
        font-size: 3rem;
    }
}