/* ===== CSS Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    /* App Theme — Ivy Wallet Style */
    --primary: #6B4DFF;
    --primary-light: #8B71FF;
    --primary-dark: #5038CC;
    --primary-bg: #F0EDFF;

    /* Semantic Colors */
    --green: #14CC9E;
    --green-light: #E8FBF6;
    --orange: #FFC44D;
    --orange-light: #FFF8E7;
    --red: #FF4D6B;
    --red-light: #FFEBEE;

    /* Neutrals */
    --bg: #FAFAFA;
    --bg-card: #FFFFFF;
    --surface: #FFFFFF;
    --medium-white: #EFEEF0;
    --text: #111114;
    --text-secondary: #939199;
    --text-light: #FFFFFF;
    --border: #EFEEF0;
    --shadow: 0 2px 8px rgba(107,77,255,0.06);
    --shadow-lg: 0 4px 20px rgba(107,77,255,0.12);
    --radius: 16px;
    --radius-sm: 8px;
    --radius-lg: 24px;
    --header-height: 64px;
}

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    font-size: 16px;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); text-decoration: underline; }

img { max-width: 100%; height: auto; }

/* ===== Header / Navbar ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    z-index: 1000;
    box-shadow: 0 2px 12px rgba(107,77,255,0.2);
}

.navbar-logo {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 8px;
}

.navbar-logo:hover { text-decoration: none; }
.navbar-logo span { font-size: 22px; }
.navbar-logo img { width: 28px; height: 28px; border-radius: 7px; }

.navbar-links {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
}

.navbar-links a {
    color: rgba(255,255,255,0.85);
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
}

.navbar-links a:hover,
.navbar-links a.active {
    color: #fff;
    background: rgba(255,255,255,0.15);
    text-decoration: none;
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.lang-toggle {
    background: rgba(255,255,255,0.2);
    border: 1px solid rgba(255,255,255,0.3);
    color: #fff;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
}

.lang-toggle:hover {
    background: rgba(255,255,255,0.35);
}

.navbar-burger {
    display: none;
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 24px;
    cursor: pointer;
    padding: 4px;
}

/* Mobile nav */
@media (max-width: 768px) {
    .navbar { padding: 0 16px; }

    .navbar-burger { display: block; }

    .navbar-links {
        display: none;
        position: absolute;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--primary-dark);
        flex-direction: column;
        padding: 8px 0;
        box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    }

    .navbar-links.open { display: flex; }

    .navbar-links a {
        padding: 12px 24px;
        border-radius: 0;
        font-size: 15px;
    }

    .navbar-links a:hover,
    .navbar-links a.active {
        background: rgba(255,255,255,0.1);
    }
}

/* ===== Main Content ===== */
.main-content {
    margin-top: var(--header-height);
    min-height: calc(100vh - var(--header-height));
}

/* ===== Page Header (for content pages) ===== */
.page-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--text-light);
    padding: 48px 24px;
    text-align: center;
}

.page-header h1 {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 8px;
}

.page-header p {
    font-size: 16px;
    opacity: 0.85;
}

/* ===== Content Container ===== */
.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 24px;
}

.container-wide {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 24px;
}

/* ===== Card ===== */
.card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

/* ===== Content Prose (for Privacy Policy, ToS, etc.) ===== */
.prose h2 {
    font-size: 24px;
    font-weight: 700;
    margin: 32px 0 16px;
    color: var(--primary);
}

.prose h2:first-child { margin-top: 0; }

.prose h3 {
    font-size: 18px;
    font-weight: 600;
    margin: 24px 0 12px;
    color: var(--text);
}

.prose p {
    margin-bottom: 16px;
    color: var(--text);
}

.prose ul, .prose ol {
    margin: 0 0 16px 24px;
}

.prose li {
    margin-bottom: 8px;
    color: var(--text);
}

.prose strong {
    font-weight: 600;
}

.prose hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 32px 0;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    font-family: inherit;
}

.btn:hover { text-decoration: none; }

.btn-primary {
    background: var(--primary);
    color: var(--text-light);
}

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

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

.btn-outline:hover {
    background: var(--primary-bg);
}

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

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

/* ===== Footer ===== */
.footer {
    background: var(--text);
    color: rgba(255,255,255,0.7);
    padding: 48px 24px 24px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
}

.footer h3 {
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer p {
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 8px;
}

.footer-links {
    list-style: none;
}

.footer-links li { margin-bottom: 8px; }

.footer-links a {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: #fff;
    text-decoration: none;
}

.footer-bottom {
    max-width: 1200px;
    margin: 32px auto 0;
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
    font-size: 13px;
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .page-header { padding: 32px 16px; }
    .page-header h1 { font-size: 24px; }
    .container { padding: 24px 16px; }
    .card { padding: 20px; }
}

/* ===== Utility ===== */
.text-center { text-align: center; }
.text-secondary { color: var(--text-secondary); }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }