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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s;
}

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

img {
    max-width: 100%;
    display: block;
}

/* ====== Container ====== */
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.container-narrow {
    max-width: var(--container-narrow);
}

/* ====== Typography ====== */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: 700;
    color: var(--text);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.25rem; }

p {
    margin-bottom: var(--space-md);
}

/* ====== Buttons ====== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-family: var(--font);
    font-weight: 600;
    font-size: 0.9rem;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    line-height: 1.4;
}

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

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

.btn-ghost {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}

.btn-ghost:hover {
    background: var(--primary);
    color: var(--text-white);
}

.btn-danger {
    background: transparent;
    color: var(--negative);
    border-color: var(--negative);
}

.btn-danger:hover {
    background: var(--negative);
    color: var(--text-white);
}

.btn-outline-sm {
    display: inline-flex;
    align-items: center;
    font-family: var(--font);
    font-size: 0.8rem;
    font-weight: 500;
    padding: 6px 14px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    background: transparent;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

.btn-outline-sm:hover {
    border-color: var(--text-secondary);
    color: var(--text);
}

.btn-sm {
    font-size: 0.8rem;
    padding: 6px 14px;
}

.btn-lg {
    font-size: 1rem;
    padding: 14px 28px;
}

.btn-block {
    width: 100%;
}

/* ====== Header ====== */
.site-header {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.site-logo {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
}

.site-logo-icon {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
}

.site-logo-text {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text);
    letter-spacing: -0.01em;
}

.site-logo-text strong {
    font-weight: 800;
    color: var(--primary);
}

.site-nav {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.site-nav a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

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

.nav-mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 32px;
    height: 32px;
    color: var(--text);
}

/* ====== Footer ====== */
.site-footer {
    background: var(--text);
    color: var(--text-muted);
    padding: var(--space-3xl) 0 var(--space-xl);
    margin-top: var(--space-4xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer-brand .site-logo {
    display: inline-flex;
    margin-bottom: var(--space-sm);
}

.footer-brand .site-logo-text {
    color: var(--text-white);
}

.footer-brand .site-logo-text strong {
    color: var(--primary-light);
}

.footer-brand p {
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--text-muted);
}

.footer-col h4 {
    color: var(--text-white);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
}

.footer-col a {
    display: block;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: var(--space-sm);
}

.footer-col a:hover {
    color: var(--text-white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-lg);
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
}

.footer-bottom a {
    color: var(--primary-light);
}

/* ====== Flash messages ====== */
.flash-container {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.flash {
    padding: 12px 40px 12px 16px;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    position: relative;
    min-width: 300px;
    animation: flashIn 0.3s ease;
}

@keyframes flashIn {
    from { opacity: 0; transform: translateX(20px); }
    to { opacity: 1; transform: translateX(0); }
}

.flash-success {
    background: var(--positive-bg);
    color: #065f46;
    border-left: 4px solid var(--positive);
}

.flash-error {
    background: var(--negative-bg);
    color: #991b1b;
    border-left: 4px solid var(--negative);
}

.flash-info {
    background: var(--primary-bg);
    color: #4c1d95;
    border-left: 4px solid var(--primary);
}

.flash-close {
    position: absolute;
    top: 8px;
    right: 12px;
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    color: inherit;
    opacity: 0.6;
}

/* ====== Main content ====== */
.main-content {
    min-height: calc(100vh - 64px - 300px);
}

/* ====== Section titles ====== */
.section-title {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

/* ====== Legal sections ====== */
.legal-section {
    padding: var(--space-3xl) 0;
}

.legal-section h1 {
    margin-bottom: var(--space-xl);
}

.legal-section h2 {
    font-size: 1.25rem;
    margin-top: var(--space-xl);
    margin-bottom: var(--space-md);
}

.legal-section p,
.legal-section ul {
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

.legal-section ul {
    padding-left: var(--space-xl);
}

.legal-section li {
    margin-bottom: var(--space-sm);
}

/* ====== Error section ====== */
.error-section {
    padding: var(--space-4xl) 0;
    text-align: center;
}

.error-content h1 {
    font-size: 6rem;
    color: var(--primary);
    margin-bottom: var(--space-md);
}

.error-content p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
}

/* ====== SEO pages ====== */
.seo-hero {
    background: linear-gradient(135deg, var(--primary-bg) 0%, var(--bg) 100%);
    padding: var(--space-3xl) 0;
}

.seo-hero h1 {
    margin-bottom: var(--space-md);
}

.seo-intro {
    font-size: 1.15rem;
    color: var(--text-secondary);
}

.seo-content {
    padding: var(--space-3xl) 0;
}

.seo-content h2 {
    margin-top: var(--space-xl);
    margin-bottom: var(--space-md);
}

.seo-content p,
.seo-content ul {
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

.seo-content ul {
    padding-left: var(--space-xl);
}

.seo-content li {
    margin-bottom: var(--space-sm);
}

.seo-cta {
    background: var(--primary-bg);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    margin-top: var(--space-2xl);
}

.seo-cta h3 {
    margin-bottom: var(--space-sm);
}

.seo-cta p {
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

/* ====== Utilities ====== */
.text-positive { color: var(--positive); }
.text-negative { color: var(--negative); }
.inline-form { display: inline; }

.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-success {
    background: var(--positive-bg);
    color: #065f46;
}

.back-link {
    font-size: 0.9rem;
    color: var(--text-secondary);
    display: inline-block;
    margin-bottom: var(--space-md);
}

.back-link:hover {
    color: var(--primary);
}