:root {
    --bg-color: #0B1120;
    --card-bg: #111827;
    --card-border: #1F2937;
    --primary: #14B8A6;
    --primary-hover: #0D9488;
    --text-main: #F8FAFC;
    --text-muted: #9CA3AF;
    --font-family: 'Inter', sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-family);
    line-height: 1.5;
    background-image: radial-gradient(circle at 15% 40%, rgba(20, 184, 166, 0.05), transparent 40%),
                      radial-gradient(circle at 85% 60%, rgba(20, 184, 166, 0.05), transparent 40%);
    background-attachment: fixed;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--primary);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

/* Header */
.header {
    padding: 24px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}
.logo-icon-img {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    object-fit: contain;
}
.logo-text {
    font-size: 20px;
    font-weight: 600;
}
.nav {
    display: flex;
    gap: 32px;
    font-size: 14px;
    color: var(--text-muted);
}
.nav a:hover {
    color: var(--text-main);
}

/* Hero */
.hero {
    padding: 100px 0;
    text-align: center;
}
.hero-logo-img {
    width: 96px;
    height: 96px;
    border-radius: 24px;
    margin: 0 auto 32px;
    object-fit: contain;
    box-shadow: 0 0 40px rgba(20, 184, 166, 0.2);
}
.hero-title {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--primary);
}
.hero-subtitle {
    font-size: 18px;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.6;
}
.app-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}
.app-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 10px 20px;
    border-radius: 12px;
    color: #fff;
    transition: all 0.2s;
}
.app-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}
.app-btn svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}
.app-btn-text {
    text-align: left;
    display: flex;
    flex-direction: column;
}
.app-btn-text span {
    font-size: 10px;
    color: var(--text-muted);
    line-height: 1;
    margin-bottom: 2px;
}
.app-btn-text strong {
    font-size: 14px;
    font-weight: 600;
    line-height: 1;
}

/* Sections */
.section-title {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 16px;
    color: #fff;
}
.section-subtitle {
    color: var(--text-muted);
    margin-bottom: 48px;
}

/* Features */
.features {
    padding: 80px 0;
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
}
.feature-card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: left;
    transition: transform 0.2s, background-color 0.2s;
}
.feature-card:hover {
    transform: translateY(-4px);
    background-color: rgba(25, 30, 45, 0.8);
}
.feature-icon {
    width: 48px;
    height: 48px;
    background-color: rgba(20, 184, 166, 0.1);
    color: var(--primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}
.feature-icon svg {
    width: 24px;
    height: 24px;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.feature-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #fff;
}
.feature-desc {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.6;
}

/* Contact Form */
.contact {
    padding: 80px 0 120px;
}
.contact-form {
    max-width: 500px;
    margin: 0 auto;
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 32px;
    border-radius: 16px;
    text-align: left;
}
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    font-size: 14px;
    margin-bottom: 8px;
    color: var(--text-muted);
}
.form-group input,
.form-group textarea {
    width: 100%;
    background-color: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    padding: 12px 16px;
    color: #fff;
    font-family: inherit;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}
.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary);
}
.btn-primary {
    width: 100%;
    background-color: var(--primary);
    color: #000;
    border: none;
    border-radius: 8px;
    padding: 14px;
    font-size: 16px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: background-color 0.2s;
}
.btn-primary:hover {
    background-color: var(--primary-hover);
}

/* Footer */
.footer {
    border-top: 1px solid rgba(255,255,255,0.05);
    padding-top: 64px;
}
.footer-inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}
.footer-col .logo {
    margin-bottom: 16px;
}
.footer-desc {
    color: var(--text-muted);
    font-size: 14px;
    max-width: 300px;
}
.footer-title {
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 20px;
}
.footer-col a {
    display: block;
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 12px;
}
.footer-col a:hover {
    color: #fff;
}
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.05);
    padding: 24px 0;
    text-align: center;
    color: var(--text-muted);
    font-size: 14px;
}

/* Generic Pages (Terms, Privacy) */
.page-header {
    padding: 80px 0 40px;
}
.page-title {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 16px;
}
.content-box {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 40px;
    margin-bottom: 80px;
}
.content-box h2 {
    font-size: 20px;
    font-weight: 600;
    color: #fff;
    margin-top: 32px;
    margin-bottom: 16px;
}
.content-box h2:first-child {
    margin-top: 0;
}
.content-box p {
    color: var(--text-muted);
    margin-bottom: 16px;
}
.content-box ul {
    color: var(--text-muted);
    margin-left: 20px;
    margin-bottom: 16px;
}
.content-box li {
    margin-bottom: 8px;
}

/* Responsive */
@media (max-width: 768px) {
    .nav {
        display: none;
    }
    .features-grid {
        grid-template-columns: 1fr;
    }
    .footer-inner {
        grid-template-columns: 1fr;
    }
    .hero-title {
        font-size: 40px;
    }
}