:root {
    --bg: #f6f8fb;
    --surface: #ffffff;
    --surface-strong: #f1f5f9;
    --text: #1f2937;
    --muted: #6b7280;
    --primary: #1d4ed8;
    --primary-strong: #1e40af;
    --accent: #0f766e;
    --success: #16a34a;
    --danger: #dc2626;
    --border: rgba(15, 23, 42, 0.08);
    --radius: 18px;
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--bg);
    color: var(--text);
}

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

img {
    max-width: 100%;
}

.container {
    width: min(1140px, calc(100% - 2rem));
    margin: 0 auto;
}

.site-header {
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-inner,
.footer-inner,
.hero-grid,
.grid-two,
.dashboard-grid,
.feature-grid,
.auth-grid {
    display: grid;
    gap: 1.5rem;
}

.header-inner {
    grid-template-columns: auto 1fr;
    align-items: center;
    padding: 1rem 0;
}

.brand {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-strong);
}

.main-nav {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.main-nav a {
    color: var(--text);
    font-weight: 500;
}

.button,
.button-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.9rem 1.6rem;
    border-radius: 999px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}

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

.button-secondary {
    background: rgba(29, 78, 216, 0.08);
    color: var(--primary-strong);
}

.button:hover,
.button-secondary:hover {
    transform: translateY(-1px);
}

.hero {
    padding: 4rem 0 3rem;
}

.hero-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
    align-items: center;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: 0.75rem;
    color: var(--accent);
    margin-bottom: 1rem;
    display: inline-block;
}

.hero h1,
.section-header h2,
.dashboard-hero h1,
.verification-card h1 {
    margin: 0;
    line-height: 1.05;
}

.hero h1 {
    font-size: clamp(2.7rem, 4vw, 4rem);
    max-width: 16ch;
}

.hero p,
.section p,
.info-box p,
.auth-card p,
.dashboard-hero p,
.verification-card p {
    color: var(--muted);
    line-height: 1.8;
    max-width: 62ch;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2rem;
}

.hero-card {
    background: linear-gradient(180deg, rgba(29,78,216,0.09), rgba(15,23,42,0.02));
    border-radius: var(--radius);
    padding: 2rem;
    min-height: 320px;
    display: flex;
    align-items: center;
}

.hero-card-content h2 {
    margin-top: 0;
}

.feature-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.5rem;
}

.service-card {
    background: var(--surface);
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: calc(var(--radius) - 4px);
    padding: 1.8rem;
    min-height: 280px;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.service-card .service-icon {
    width: 54px;
    height: 54px;
    display: grid;
    place-items: center;
    border-radius: 18px;
    background: rgba(29, 78, 216, 0.12);
    color: var(--primary-strong);
    font-size: 1.35rem;
}

.service-card p {
    margin: 0;
    color: var(--muted);
    line-height: 1.75;
}

.service-price {
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 1.2rem;
    border-radius: 999px;
    background: rgba(29, 78, 216, 0.08);
    color: var(--primary-strong);
    font-weight: 700;
}

.section {
    padding: 3.5rem 0;
}

.section-header h2 {
    font-size: clamp(2rem, 2.3vw, 2.6rem);
    margin-top: 0.5rem;
}

.feature-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
}

.feature-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    min-height: 220px;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.feature-card h3 {
    margin-top: 0;
}

body {
    margin: 0;
    min-height: 100vh;
    background: radial-gradient(circle at top, rgba(29, 78, 216, 0.08), transparent 36%), var(--bg);
    color: var(--text);
}

.section-light {
    background: #fdfdff;
}

.section-dark {
    background: #f4f7fb;
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 22px 60px rgba(15, 23, 42, 0.12);
    border-color: rgba(29, 78, 216, 0.24);
}

.service-icon {
    width: 56px;
    height: 56px;
    display: grid;
    place-items: center;
    border-radius: 16px;
    background: rgba(29, 78, 216, 0.1);
    font-size: 1.35rem;
}

.service-card h3 {
    margin: 0;
    font-size: 1.15rem;
    color: var(--text);
}

.service-card p {
    margin: 0;
    color: var(--muted);
    line-height: 1.7;
}

.service-price {
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 1.2rem;
    border-radius: 999px;
    background: rgba(29, 78, 216, 0.08);
    color: var(--primary-strong);
    font-weight: 700;
}

.feature-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    min-height: 220px;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.feature-card h3 {
    margin-top: 0;
}

.section {
    padding: 3.5rem 0;
}

.section-light {
    background: #fdfdff;
}

.section-dark {
    background: #f4f7fb;
}

.section-header {
    max-width: 40rem;
    margin-bottom: 2rem;
}

.section-header p {
    margin-top: 1rem;
    color: var(--muted);
}

.grid-two {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
}

.info-box {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
}

.info-box p {
    margin: 0;
}

footer.site-footer {
    padding: 2rem 0;
    background: #fff;
    border-top: 1px solid var(--border);
}

.footer-inner {
    grid-template-columns: 1fr;
    gap: 0.75rem;
    color: var(--muted);
}

.flash-container {
    position: sticky;
    top: 72px;
    z-index: 40;
    width: min(1140px, calc(100% - 2rem));
    margin: 0.75rem auto;
}

.alert {
    border-radius: 16px;
    padding: 1rem 1.25rem;
    box-shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
}

.alert-success {
    background: #ecfdf5;
    border: 1px solid #a7f3d0;
    color: #166534;
}

.alert-danger {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #991b1b;
}

.section-signup {
    padding: 4rem 0;
}

.auth-grid {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: stretch;
}

.auth-card,
.auth-visual,
.verification-card,
.info-card,
.dashboard-action-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
}

.auth-card h2,
.verification-card h1 {
    margin-top: 0;
}

.auth-card label,
.service-form label {
    display: block;
    margin-bottom: 0.35rem;
    font-weight: 600;
}

.auth-card input,
.service-form select,
.service-form input {
    width: 100%;
    padding: 0.95rem 1rem;
    border-radius: 14px;
    border: 1px solid var(--border);
    background: #fff;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.auth-card button,
.service-form button {
    width: 100%;
}

.small-text {
    color: var(--muted);
    margin-top: 1rem;
}

.auth-visual ul {
    list-style: disc;
    padding-left: 1.25rem;
}

.auth-visual li {
    margin-bottom: 0.75rem;
    color: var(--muted);
}

.dashboard-grid {
    grid-template-columns: 280px 1fr;
    align-items: start;
}

.dashboard-sidebar {
    position: sticky;
    top: 100px;
    align-self: flex-start;
}

.sidebar-brand {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.sidebar-nav {
    display: grid;
    gap: 0.6rem;
}

.sidebar-nav a {
    display: block;
    padding: 0.95rem 1rem;
    border-radius: 14px;
    border: 1px solid transparent;
    color: var(--text);
    transition: background 0.2s ease, border-color 0.2s ease;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
    background: rgba(29,78,216,0.08);
    border-color: var(--border);
}

.dashboard-content {
    display: grid;
    gap: 1.5rem;
}

.dashboard-hero {
    padding: 1.5rem 2rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.dashboard-grid-cards {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

.info-card h3 {
    margin-top: 0;
}

.info-card p {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
}

.dashboard-action-card {
    grid-column: span 3;
}

.service-form {
    display: grid;
    gap: 1rem;
}

.service-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.loader {
    width: 2rem;
    height: 2rem;
    border: 4px solid rgba(29, 78, 216, 0.15);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.hidden {
    display: none;
}

.service-message {
    min-height: 2rem;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@media (max-width: 980px) {
    .hero-grid,
    .feature-grid,
    .grid-two,
    .dashboard-grid,
    .auth-grid,
    .dashboard-grid-cards {
        grid-template-columns: 1fr;
    }

    .header-inner {
        grid-template-columns: 1fr;
    }

    .main-nav {
        justify-content: center;
    }

    .dashboard-sidebar {
        position: static;
        top: auto;
    }
}

@media (max-width: 640px) {
    .hero {
        padding-top: 2.5rem;
    }

    .hero h1 {
        font-size: 2.4rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .button,
    .button-secondary {
        width: 100%;
    }
}

@media (max-width: 980px) {
    .services-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 680px) {
    .hero-grid, .grid-two, .feature-grid { grid-template-columns: 1fr; }
    .services-grid { grid-template-columns: 1fr; }
    .hero { padding: 3rem 0 2rem; }
}