:root {
    --eh-bg: #f8fafc;
    --eh-bg-subtle: #f1f5f9;
    --eh-surface: #ffffff;
    --eh-surface-hover: #f8fafc;
    --eh-elevated: #ffffff;
    --eh-border: #e2e8f0;
    --eh-border-light: #cbd5e1;
    --eh-text: #0f172a;
    --eh-text-secondary: #475569;
    --eh-text-muted: #94a3b8;
    --eh-accent: #f97316;
    --eh-accent-hover: #ea580c;
    --eh-accent-soft: rgba(249, 115, 22, 0.08);
    --eh-success: #10b981;
    --eh-warning: #f59e0b;
    --eh-danger: #ef4444;
    --eh-info: #0ea5e9;
    --eh-radius: 12px;
    --eh-radius-lg: 16px;
    --eh-font: "Plus Jakarta Sans", "Inter", system-ui, -apple-system, sans-serif;
    --eh-nav-width: 17.5rem;
    --eh-topbar-h: 3.75rem;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body.eh-body {
    margin: 0;
    min-height: 100%;
    font-family: var(--eh-font);
    font-size: 0.9375rem;
    line-height: 1.55;
    color: var(--eh-text);
    background: var(--eh-bg);
    -webkit-font-smoothing: antialiased;
}

::selection {
    background: rgba(249, 115, 22, 0.15);
    color: var(--eh-accent);
}

::-webkit-scrollbar { width: 7px; height: 7px; }
::-webkit-scrollbar-track { background: var(--eh-bg); }
::-webkit-scrollbar-thumb { background: var(--eh-border-light); border-radius: 4px; }

a { color: inherit; text-decoration: none; }

.eh-container {
    width: 100%;
    max-width: 72rem;
    margin: 0 auto;
    padding: 0 1.25rem;
}

.eh-container--narrow { max-width: 42rem; }

.eh-public { min-height: 100vh; display: flex; flex-direction: column; }

.eh-nav {
    position: sticky;
    top: 0;
    z-index: 50;
    border-bottom: 1px solid var(--eh-border);
    background: #ffffff;
    box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.05);
}

.eh-nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    min-height: 4rem;
}

.eh-brand {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: -0.03em;
    color: var(--eh-text);
}

.eh-brand img { width: 2.25rem; height: 2.25rem; object-fit: contain; }

.eh-brand-mark {
    font-weight: 800;
    letter-spacing: -0.03em;
    white-space: nowrap;
}

.eh-brand-mark b {
    color: var(--eh-accent);
    font-weight: 800;
}

.eh-nav-links {
    display: none;
    align-items: center;
    gap: 0.375rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

@media (min-width: 768px) {
    .eh-nav-links { display: flex; }
}

.eh-nav-links a {
    padding: 0.5rem 0.875rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--eh-text-secondary);
    border-radius: var(--eh-radius);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.eh-nav-links a:hover,
.eh-nav-links a.is-active {
    color: var(--eh-accent);
    background: var(--eh-accent-soft);
}

.eh-nav-actions {
    display: flex;
    align-items: center;
    gap: 0.625rem;
}

.eh-nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    padding: 0;
    border: 1px solid var(--eh-border);
    border-radius: var(--eh-radius);
    background: var(--eh-surface);
    color: var(--eh-text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

.eh-nav-toggle:hover {
    background: var(--eh-bg-subtle);
    color: var(--eh-text);
}

@media (min-width: 768px) {
    .eh-nav-toggle { display: none; }
}

.eh-nav-mobile {
    display: none;
    border-top: 1px solid var(--eh-border);
    padding: 0.75rem 0 1rem;
    background: #ffffff;
}

.eh-nav-mobile.is-open { display: block; }

.eh-nav-mobile a {
    display: block;
    padding: 0.625rem 0.875rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--eh-text-secondary);
    border-radius: var(--eh-radius);
    transition: all 0.15s;
}

.eh-nav-mobile a:hover { color: var(--eh-accent); background: var(--eh-accent-soft); }

.eh-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 700;
    line-height: 1.25;
    border-radius: var(--eh-radius);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
}

.eh-btn:active {
    transform: scale(0.97);
}

.eh-btn--primary {
    background: linear-gradient(135deg, #f97316, #ea580c);
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(249, 115, 22, 0.3);
}

.eh-btn--primary:hover {
    background: linear-gradient(135deg, #ea580c, #c2410c);
    box-shadow: 0 6px 20px rgba(249, 115, 22, 0.4);
    transform: translateY(-1px);
}

.eh-btn--secondary {
    background: var(--eh-surface);
    color: var(--eh-text);
    border-color: var(--eh-border);
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.05);
}

.eh-btn--secondary:hover {
    background: var(--eh-bg-subtle);
    border-color: var(--eh-border-light);
    color: var(--eh-accent);
}

.eh-btn--ghost {
    background: transparent;
    color: var(--eh-text-secondary);
}

.eh-btn--ghost:hover { color: var(--eh-text); background: var(--eh-bg-subtle); }

.eh-btn--sm { padding: 0.5rem 1rem; font-size: 0.8125rem; }

.eh-btn--block { width: 100%; }

.eh-card {
    background: var(--eh-surface);
    border: 1px solid var(--eh-border);
    border-radius: var(--eh-radius-lg);
    box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.05), 0 2px 6px -1px rgba(15, 23, 42, 0.02);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.eh-card:hover {
    border-color: #cbd5e1;
    box-shadow: 0 10px 25px -3px rgba(15, 23, 42, 0.08), 0 4px 10px -2px rgba(15, 23, 42, 0.03);
}

.eh-card--pad { padding: 1.5rem; }

.eh-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.3125rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 999px;
    background: var(--eh-accent-soft);
    color: var(--eh-accent);
    border: 1px solid rgba(249, 115, 22, 0.2);
}

.eh-badge--success { background: rgba(16, 185, 129, 0.08); color: var(--eh-success); border-color: rgba(16, 185, 129, 0.2); }
.eh-badge--muted { background: var(--eh-bg-subtle); color: var(--eh-text-muted); border-color: var(--eh-border); }

.eh-input,
.eh-select,
.eh-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--eh-text);
    background: var(--eh-surface);
    border: 1.5px solid var(--eh-border);
    border-radius: var(--eh-radius);
    outline: none;
    transition: all 0.2s;
}

.eh-input:focus,
.eh-select:focus,
.eh-textarea:focus {
    border-color: var(--eh-accent);
    box-shadow: 0 0 0 4px rgba(249, 115, 22, 0.12);
}

.eh-label {
    display: block;
    margin-bottom: 0.375rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--eh-text-secondary);
}

.eh-section { padding: 4.5rem 0; }

.eh-section--border { border-top: 1px solid var(--eh-border); }

.eh-section-title {
    margin: 0 0 0.5rem;
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--eh-text);
}

.eh-section-desc {
    margin: 0 0 2rem;
    font-size: 1rem;
    color: var(--eh-text-secondary);
    max-width: 36rem;
}

.eh-hero {
    padding: 4.5rem 0 3.5rem;
    border-bottom: 1px solid var(--eh-border);
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.eh-hero-title {
    margin: 0 0 1.25rem;
    font-size: clamp(2.25rem, 5vw, 3.25rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.035em;
    color: var(--eh-text);
}

.eh-hero-desc {
    margin: 0 0 2rem;
    font-size: 1.125rem;
    color: var(--eh-text-secondary);
    max-width: 34rem;
    line-height: 1.6;
}

.eh-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    font-size: 0.875rem;
    color: var(--eh-text-muted);
}

.eh-stats strong { color: var(--eh-text); font-weight: 800; font-size: 1.25rem; }

.eh-page-head {
    padding: 3rem 0 2.5rem;
    border-bottom: 1px solid var(--eh-border);
    background: #ffffff;
}

.eh-page-head h1 {
    margin: 0 0 0.5rem;
    font-size: clamp(1.875rem, 4vw, 2.5rem);
    font-weight: 800;
    letter-spacing: -0.03em;
}

.eh-page-head p {
    margin: 0;
    font-size: 1rem;
    color: var(--eh-text-secondary);
    max-width: 36rem;
}

.eh-faq-list { display: flex; flex-direction: column; gap: 0.75rem; }

.eh-faq-item {
    background: var(--eh-surface);
    border: 1px solid var(--eh-border);
    border-radius: var(--eh-radius-lg);
    overflow: hidden;
    transition: all 0.2s;
}

.eh-faq-item button {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.125rem 1.375rem;
    border: none;
    background: none;
    font-family: inherit;
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--eh-text);
    text-align: left;
    cursor: pointer;
}

.eh-faq-item button svg {
    flex-shrink: 0;
    width: 1.25rem;
    height: 1.25rem;
    color: var(--eh-text-muted);
    transition: transform 0.2s;
}

.eh-faq-item.is-open button svg { transform: rotate(180deg); color: var(--eh-accent); }

.eh-faq-item .eh-faq-body {
    display: none;
    padding: 0 1.375rem 1.125rem;
    font-size: 0.875rem;
    color: var(--eh-text-secondary);
    line-height: 1.65;
    border-top: 1px solid var(--eh-border);
    padding-top: 1rem;
}

.eh-faq-item.is-open .eh-faq-body { display: block; }

.eh-service-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .eh-service-grid { grid-template-columns: 1fr 1fr; }
}

.eh-service-card {
    padding: 1.75rem;
    background: var(--eh-surface);
    border: 1px solid var(--eh-border);
    border-radius: var(--eh-radius-lg);
    box-shadow: 0 4px 15px rgba(15, 23, 42, 0.04);
    transition: all 0.2s ease;
}

.eh-service-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
    border-color: #cbd5e1;
}

.eh-service-card h3 {
    margin: 0 0 0.625rem;
    font-size: 1.35rem;
    font-weight: 800;
}

.eh-service-card p {
    margin: 0 0 1.25rem;
    font-size: 0.9375rem;
    color: var(--eh-text-secondary);
    line-height: 1.6;
}

.eh-steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

@media (min-width: 768px) {
    .eh-steps { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
    .eh-steps { grid-template-columns: repeat(4, 1fr); }
}

.eh-step {
    padding: 1.5rem;
    background: var(--eh-surface);
    border: 1px solid var(--eh-border);
    border-radius: var(--eh-radius-lg);
    box-shadow: 0 4px 15px rgba(15, 23, 42, 0.03);
}

.eh-step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 50%;
    background: var(--eh-accent-soft);
    font-size: 0.875rem;
    font-weight: 800;
    color: var(--eh-accent);
    margin-bottom: 1rem;
}

.eh-step h3 {
    margin: 0 0 0.5rem;
    font-size: 1.0625rem;
    font-weight: 700;
}

.eh-step p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--eh-text-secondary);
    line-height: 1.55;
}

.eh-footer {
    margin-top: auto;
    border-top: 1px solid var(--eh-border);
    padding: 3.5rem 0 2rem;
    background: #ffffff;
}

.eh-footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    margin-bottom: 2.5rem;
}

@media (min-width: 768px) {
    .eh-footer-grid { grid-template-columns: 2fr 1fr 1fr; }
}

.eh-footer p { margin: 0; font-size: 0.875rem; color: var(--eh-text-secondary); line-height: 1.6; }

.eh-footer h4 {
    margin: 0 0 1.25rem;
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--eh-text);
    letter-spacing: -0.01em;
}

.eh-footer ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.eh-footer li { margin-bottom: 0.625rem; }

.eh-footer a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--eh-text-secondary);
    transition: color 0.15s;
}

.eh-footer a:hover { color: var(--eh-accent); }

.eh-footer-bottom {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding-top: 2rem;
    border-top: 1px solid var(--eh-border);
    font-size: 0.8125rem;
    color: var(--eh-text-muted);
}

@media (min-width: 768px) {
    .eh-footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

.eh-footer-legal {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
}

.eh-app {
    display: flex;
    height: 100vh;
    overflow: hidden;
    background: var(--eh-bg);
}

.eh-sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 40;
    background: rgba(15, 23, 42, 0.4);
}

.eh-sidebar-overlay.is-visible { display: block; }

@media (min-width: 1024px) {
    .eh-sidebar-overlay { display: none !important; }
}

.eh-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 50;
    width: var(--eh-nav-width);
    height: 100%;
    background: #ffffff;
    border-right: 1px solid var(--eh-border);
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    display: flex;
    flex-direction: column;
}

.eh-sidebar.is-open { transform: translateX(0); }

@media (min-width: 1024px) {
    .eh-sidebar {
        position: relative;
        transform: none;
        flex-shrink: 0;
    }
}

.eh-sidebar-head {
    padding: 1.25rem;
    border-bottom: 1px solid var(--eh-border);
}

.eh-sidebar-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    display: flex;
    padding: 0.375rem;
    border: none;
    background: none;
    color: var(--eh-text-muted);
    cursor: pointer;
}

@media (min-width: 1024px) {
    .eh-sidebar-close { display: none; }
}

.eh-wallet {
    margin-top: 1rem;
    padding: 1.25rem;
    background: linear-gradient(135deg, #fff7ed, #ffffff);
    border: 1px solid rgba(249, 115, 22, 0.18);
    border-radius: var(--eh-radius-lg);
    box-shadow: 0 4px 12px rgba(249, 115, 22, 0.05);
}

.eh-wallet-label {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--eh-text-muted);
    margin-bottom: 0.25rem;
}

.eh-wallet-amount {
    font-size: 1.375rem;
    font-weight: 800;
    color: var(--eh-text);
}

.eh-wallet-amount small {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--eh-success);
    margin-left: 0.25rem;
}

.eh-wallet-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.eh-sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 0.75rem;
}

.eh-nav-group-label {
    padding: 0.5rem 0.75rem;
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--eh-text-muted);
}

.eh-nav-item {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.6875rem 0.875rem;
    margin-bottom: 0.1875rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--eh-text-secondary);
    border-radius: var(--eh-radius);
    transition: all 0.15s;
}

.eh-nav-item svg {
    width: 1.125rem;
    height: 1.125rem;
    flex-shrink: 0;
    opacity: 0.75;
}

.eh-nav-item:hover {
    color: var(--eh-text);
    background: var(--eh-bg-subtle);
}

.eh-nav-item.is-active {
    color: #ffffff;
    background: linear-gradient(135deg, #f97316, #ea580c);
    box-shadow: 0 4px 12px rgba(249, 115, 22, 0.25);
}

.eh-nav-item.is-active svg { opacity: 1; }

.eh-sidebar-foot {
    padding: 0.75rem;
    border-top: 1px solid var(--eh-border);
}

.eh-app-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    min-height: 0;
    overflow: hidden;
}

.eh-topbar {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    min-height: var(--eh-topbar-h);
    padding: 0 1.5rem;
    border-bottom: 1px solid var(--eh-border);
    background: #ffffff;
}

.eh-admin-app {
    display: flex;
    min-height: 100vh;
    background-color: #f8fafc;
}

.eh-admin-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}
