:root {
    --brand-color: #00d26a;
    --brand-light: #1ae774;
    --brand-dark: #00b359;
    --btn-primary-bg: var(--brand-color);
    --btn-primary-text: #0a0a0a;
    --bg-color: #0a0a0a;
    --bg-secondary: #151515;
    --bg-tertiary: #1f1f1f;
    --text-color: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #6b7280;
    --border-color: #2a2a0a;
    --shadow-light: rgba(0, 210, 106, 0.15);
    --shadow-dark: rgba(0, 0, 0, 0.3);
    --card-bg: #151515;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html {
    height: 100%;
    width: 100%;
}

body {
    min-height: 100%;
    width: 100%;
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;

    background-image:
        linear-gradient(to top, rgba(10, 10, 10, 0.9) 0%, rgba(10, 10, 10, 0.7) 100%),
        url("https://images.unsplash.com/photo-1571902943202-507ec2618e8f?q=80&w=1975&auto=format&fit=crop");
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-repeat: no-repeat;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

.header {
    position: sticky;
    top: 0;
    z-index: 50;
    padding: 20px 0;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    --header-height: 75px;
}

.header .container {
    display: flex;
    justify-content: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

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

.logo-text {
    font-size: 22px;
    font-weight: 800;
    color: var(--text-color);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 16px;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
}

.btn-primary {
    background-color: var(--btn-primary-bg);
    color: var(--btn-primary-text);
}
.btn-primary:hover {
    background-color: var(--brand-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 210, 106, 0.2);
}

.hero {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-height: calc(100vh - var(--header-height));
    padding: 80px 20px;
    position: relative;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.04em;
    background: linear-gradient(45deg, #fff, #b0b0b0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 24px;
}

.hero h1 span {
     background: linear-gradient(45deg, var(--brand-light), var(--brand-color));
     -webkit-background-clip: text;
}

.hero p {
    max-width: 650px;
    margin: 0 auto 32px;
    font-size: 18px;
    color: var(--text-secondary);
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
}

.section {
    padding: 80px 0;
}

.cta-section {
    background-color: rgba(21, 21, 21, 0.7);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(5px);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}
.section-header h2 {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 800;
    margin-bottom: 12px;
    letter-spacing: -0.03em;
}
.section-header p {
    max-width: 600px;
    margin: 0 auto;
    color: var(--text-secondary);
    font-size: 17px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.feature-card {
    background: rgba(21, 21, 21, 0.5);
    border: 1px solid var(--border-color);
    padding: 32px;
    border-radius: 20px;
    transition: all 0.3s ease;
}
.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--brand-color);
    box-shadow: 0 0 40px var(--shadow-light);
    background: rgba(21, 21, 21, 0.7);
}
.feature-card .icon-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background-color: var(--bg-tertiary);
    border-radius: 12px;
    margin-bottom: 20px;
}

/* ИЗМЕНЕНИЯ ЗДЕСЬ */
.icon-wrapper svg {
    fill: var(--brand-color);
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
}
.feature-card p {
    color: var(--text-secondary);
}

.app-preview {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
}
.app-preview-text {
    flex: 1;
    min-width: 300px;
    max-width: 450px;
}
.app-preview-text h2 {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
    letter-spacing: -0.03em;
}
.app-preview-text p {
    font-size: 17px;
    color: var(--text-secondary);
}
.app-preview-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    min-width: 320px;
}
.app-preview-image {
    max-width: 380px;
    width: 100%;
    border-radius: 30px;
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 50px var(--shadow-dark);
}

.footer {
    padding: 40px 0;
    text-align: center;
    background: rgba(10, 10, 10, 0.5);
    border-top: 1px solid var(--border-color);
}
.footer .logo {
    justify-content: center;
    margin-bottom: 20px;
}
.footer p {
    color: var(--text-muted);
    font-size: 14px;
}