/* Reset and Base Styles */
:root {
    --background: #000000;
    --text-primary: #ffffff;
    --text-secondary: #a1a1a9;
    --accent: #3b82f6;
    --accent-dark: #2563eb;
    --border: #27272a;
    --surface: #18181b;
    --font-sans: 'Inter', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.page-background {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 20%, rgba(59, 130, 246, 0.15) 0%, transparent 40%),
                radial-gradient(circle at 80% 70%, rgba(139, 92, 246, 0.1) 0%, transparent 40%);
    z-index: -1;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 16px 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 20px;
    font-weight: 600;
}

.logo-image {
    width: 28px;
    height: 28px;
}

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

.main-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s ease;
}

.main-nav a:hover {
    color: var(--text-primary);
}

.header-cta .btn {
    font-size: 14px;
    padding: 8px 16px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: transform 0.2s ease, background-color 0.2s ease;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    background-color: var(--accent);
    color: var(--text-primary);
    border: 1px solid var(--accent);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 16px;
}

.btn-primary:hover {
    background-color: var(--accent-dark);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background-color: var(--surface);
}

.slack-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.slack-btn img {
    height: 24px;
    width: 24px;
}

/* Hero Section */
.hero {
    padding: 160px 0 120px;
    text-align: center;
}

.hero .container {
    position: relative;
}

.hero-content {
    max-width: 700px;
    margin: 0 auto;
}

.beta-announcement {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border: 1px solid var(--border);
    border-radius: 99px;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 24px;
    font-size: 14px;
    transition: all 0.2s ease;
}

.beta-announcement:hover {
    border-color: var(--accent);
    color: var(--text-primary);
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 24px;
    background: linear-gradient(to bottom, #ffffff, #d1d5db);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    max-width: 620px;
    margin: 0 auto 40px;
}

.dynamic-text {
    color: var(--text-primary);
    font-weight: 500;
}

.hero-cta-group {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 64px;
}

.hero-image-container {
    max-width: 800px;
    margin: 0 auto;
}

.hero-image {
    width: 100%;
    border-radius: 16px;
    border: 1px solid var(--border);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

/* General Section Styles */
.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 64px;
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* Features Section */
.problem-section {
    padding: 80px 0;
    background-color: var(--surface);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.solution-section {
    padding: 100px 0;
}

.solution-steps {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 900px;
    margin: 64px auto 0;
}

.step {
    text-align: center;
    max-width: 220px;
}

.step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--accent);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    margin: 0 auto 16px;
}

.step-title {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 8px;
}

.step-description {
    font-size: 14px;
    color: var(--text-secondary);
}

.step-arrow {
    font-size: 24px;
    color: var(--border);
}

.connection-section {
    padding: 100px 0;
    background-color: var(--surface);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.connection-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 48px;
    margin-top: 64px;
}

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

.app-image {
    max-width: 400px;
    border-radius: 12px;
    border: 1px solid var(--border);
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
    margin-bottom: 16px;
}

.app-label {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

.connection-arrow svg {
    color: var(--accent);
}

.features {
    padding: 80px 0;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-item {
    background: linear-gradient(var(--surface), var(--surface)) padding-box,
                linear-gradient(to right, var(--accent), var(--accent-dark)) border-box;
    border: 1px solid transparent;
    padding: 32px;
    border-radius: 16px;
}

.feature-item h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.feature-item p {
    color: var(--text-secondary);
    font-size: 16px;
}

/* Security Section */
.security {
    padding: 80px 0;
}

.security-points {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
}

.security-point {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: var(--text-secondary);
}

.security-point {
    padding: 12px 24px;
    border: 1px solid var(--border);
    border-radius: 99px;
    background-color: var(--surface);
}

/* CTA Section */
.cta {
    padding: 80px 0;
    text-align: center;
}

.cta-title {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

/* Footer */
.main-footer {
    padding: 48px 0;
    border-top: 1px solid var(--border);
}

.main-footer .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

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

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

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: var(--text-primary);
}

.footer-bottom p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
    .connection-visual {
        flex-direction: column;
        gap: 32px;
    }

    .connection-arrow {
        transform: rotate(90deg);
    }

    .main-nav, .header-cta {
        display: none;
    }

    .hero-title {
        font-size: 40px;
    }

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

    .hero-form input {
        width: 100%;
        max-width: 350px;
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }
}