:root {
    --blue-950: #172554;
    --blue-900: #1e3a8a;
    --blue-800: #1d4ed8;
    --blue-700: #2563eb;
    --blue-600: #1e40af;
    --blue-100: #dbeafe;
    --blue-50: #eff6ff;
    --white: #ffffff;
    --slate-950: #0f172a;
    --slate-800: #1f2937;
    --slate-600: #475569;
    --slate-300: #cbd5e1;
    --slate-200: #e2e8f0;
    --shadow-lg: 0 24px 60px rgba(15, 23, 42, 0.16);
    --shadow-md: 0 16px 40px rgba(37, 99, 235, 0.18);
    --radius-xl: 24px;
    --radius-lg: 18px;
    --radius-md: 16px;
    --radius-sm: 12px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: 'Inter', Arial, sans-serif;
    color: var(--slate-950);
    background: linear-gradient(180deg, var(--blue-50) 0%, #f8fbff 100%);
}

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

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

.container {
    width: min(1120px, calc(100% - 2rem));
    margin: 0 auto;
}

.topbar,
.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(14px);
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid rgba(37, 99, 235, 0.12);
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 20px;
}

.topbar--solid {
    background: rgba(255, 255, 255, 0.98);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 0;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 800;
    color: var(--blue-900);
    letter-spacing: 0.04em;
}

.brand-logo {
    width: auto;
    border-radius: 12px;
    box-shadow: 0 10px 24px rgba(30, 58, 138, 0.18);
}

.brand-logo--nav {
    height: 46px;
}

.brand-logo--auth {
    height: 92px;
    margin: 0 auto 18px;
}

.brand-logo--hero {
    height: 108px;
    margin-bottom: 18px;
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.brand-text strong {
    font-size: 1rem;
}

.brand-text small {
    color: var(--slate-600);
    font-size: 0.75rem;
    letter-spacing: 0.18em;
}

.topbar__nav,
.main-nav {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    font-weight: 600;
}

.topbar__nav a,
.main-nav a {
    color: var(--blue-900);
}

.btn-link {
    color: var(--blue-900);
}

.nav-cta,
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 46px;
    padding: 0 18px;
    border-radius: 999px;
    border: 1px solid transparent;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.btn:hover,
.nav-cta:hover {
    transform: translateY(-1px);
}

.btn-primary,
.nav-cta {
    color: var(--white);
    background: linear-gradient(135deg, var(--blue-700), var(--blue-600));
    box-shadow: var(--shadow-md);
}

.btn-primary:hover,
.nav-cta:hover {
    background: linear-gradient(135deg, var(--blue-600), var(--blue-950));
}

.btn-secondary {
    color: var(--blue-900);
    background: var(--white);
    border-color: rgba(37, 99, 235, 0.22);
}

.btn-secondary:hover {
    border-color: rgba(30, 64, 175, 0.35);
    background: var(--blue-50);
}

.btn-block {
    width: 100%;
}

.hero,
.section,
.auth-layout,
.panel-main {
    padding: 24px 20px;
}

.hero {
    min-height: calc(100vh - 80px);
    background: linear-gradient(135deg, var(--blue-950) 0%, var(--blue-900) 55%, var(--blue-700) 100%);
}

.hero-grid,
.form-layout {
    display: grid;
    gap: 2rem;
    align-items: center;
}

.hero__content,
.hero-card,
.auth-card,
.panel-card,
.mini-card,
.form-card,
.legal-card,
.feature-card,
.step-card,
.stat-card,
.info-card {
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(37, 99, 235, 0.14);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.hero__content,
.dashboard-card,
.feature-card,
.step-card,
.stat-card,
.info-card,
.form-card,
.legal-card,
.panel-card,
.mini-card,
.auth-card {
    padding: 28px;
}

.hero-copy,
.hero__content--dark {
    color: var(--white);
}

.hero-copy p,
.hero-copy li,
.hero__content--dark p {
    color: rgba(255, 255, 255, 0.86);
}

.hero-card {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.18);
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    margin-bottom: 1rem;
    padding: 8px 12px;
    border-radius: 999px;
    background: var(--blue-100);
    color: var(--blue-900);
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.hero-copy .eyebrow,
.hero__content--dark .eyebrow {
    background: rgba(255, 255, 255, 0.14);
    color: var(--white);
}

h1,
h2,
h3,
h4,
p {
    margin-top: 0;
}

h1,
.page-main h1 {
    font-size: clamp(2.2rem, 6vw, 4.2rem);
    line-height: 1.05;
    letter-spacing: -0.04em;
    margin-bottom: 1rem;
}

p,
.section-heading p,
.form-copy p,
.legal-card p,
.feature-card p,
.step-card p,
.site-footer p,
.site-footer li,
.info-card li,
.auth-card p {
    color: var(--slate-600);
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    margin: 1.75rem 0;
}

.hero-highlights,
.site-footer ul,
.info-card ul {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 0.75rem;
}

.hero-highlights li::before,
.info-card li::before {
    content: "•";
    color: var(--blue-700);
    margin-right: 0.5rem;
}

.dashboard-top {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--slate-600);
    font-weight: 600;
}

.status-dot {
    width: 0.75rem;
    height: 0.75rem;
    border-radius: 50%;
    background: var(--blue-700);
    box-shadow: 0 0 0 6px rgba(37, 99, 235, 0.16);
}

.dashboard-metrics,
.features-grid,
.steps-grid,
.stats-grid,
.panel-grid,
.footer-grid {
    display: grid;
    gap: 1.25rem;
}

.dashboard-metrics {
    grid-template-columns: repeat(3, 1fr);
    margin: 1.5rem 0;
}

.dashboard-metrics article,
.dashboard-list div {
    padding: 1rem;
    border-radius: var(--radius-md);
    background: var(--blue-50);
    border: 1px solid rgba(37, 99, 235, 0.12);
}

.dashboard-metrics strong,
.stat-card strong {
    display: block;
    font-size: 1.8rem;
    margin-bottom: 0.35rem;
    color: var(--blue-900);
}

.dashboard-list {
    display: grid;
    gap: 0.85rem;
}

.dashboard-list div {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    font-weight: 600;
}

.section {
    padding: 4rem 0;
    background: var(--white);
}

.section-alt,
.auth-page,
.panel-page {
    background: var(--blue-50);
}

.section-heading {
    max-width: 760px;
    margin-bottom: 2rem;
}

.feature-card,
.step-card,
.stat-card,
.info-card {
    border-top: 4px solid var(--blue-700);
}

.feature-icon {
    width: 3rem;
    height: 3rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 1rem;
    background: var(--blue-100);
    color: var(--blue-900);
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.step-number {
    display: inline-flex;
    margin-bottom: 1rem;
    color: var(--blue-700);
    font-weight: 800;
    letter-spacing: 0.08em;
}

.auth-layout {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 82px);
}

.auth-card {
    width: min(100%, 560px);
}

.auth-card__intro {
    margin-bottom: 22px;
    text-align: center;
}

.auth-form,
.license-form {
    display: grid;
    gap: 16px;
}

.auth-form label,
.field-group {
    display: grid;
    gap: 8px;
}

.auth-form label,
.field-group label {
    font-weight: 600;
    color: var(--slate-800);
}

.auth-form input,
.auth-form textarea,
.auth-form select,
.field-group input,
.field-group textarea {
    width: 100%;
    min-height: 50px;
    padding: 14px 16px;
    border-radius: 14px;
    border: 1px solid rgba(37, 99, 235, 0.22);
    background: var(--white);
    color: var(--slate-950);
    font: inherit;
}

.auth-form input:focus,
.auth-form textarea:focus,
.auth-form select:focus,
.field-group input:focus,
.field-group textarea:focus {
    outline: none;
    border-color: var(--blue-700);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.16);
}

.form-note,
.mini-card__label {
    margin: 0;
    font-size: 0.95rem;
    color: var(--slate-600);
}

.form-note a,
.legal-card a,
.auth-card__footer a {
    color: var(--blue-900);
    font-weight: 700;
}

.form-message {
    min-height: 24px;
    margin: 0;
    font-weight: 600;
}

.form-message--error,
.form-message.error {
    color: #b91c1c;
}

.form-message--success,
.form-message.success {
    color: var(--blue-700);
}

.auth-card__footer {
    margin-top: 18px;
    text-align: center;
}

.page-main {
    padding-top: 1rem;
}

.panel-shell {
    display: grid;
    min-height: 100vh;
}

.panel-sidebar {
    background: linear-gradient(180deg, var(--blue-950), var(--blue-900));
    color: var(--white);
    padding: 24px 20px;
}

.panel-sidebar .brand-text small,
.panel-sidebar .brand {
    color: var(--white);
}

.panel-sidebar__nav {
    display: grid;
    gap: 10px;
    margin-top: 28px;
}

.panel-sidebar__nav a {
    padding: 12px 14px;
    border-radius: 14px;
    color: rgba(255, 255, 255, 0.82);
}

.panel-sidebar__nav a.is-active,
.panel-sidebar__nav a:hover {
    background: rgba(255, 255, 255, 0.12);
    color: var(--white);
}

.panel-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.site-footer {
    padding: 2.5rem 0;
    background: linear-gradient(135deg, var(--blue-950), var(--blue-900));
    color: #f8fafc;
}

.brand-footer .brand-text small,
.site-footer p,
.site-footer a,
.site-footer li {
    color: rgba(248, 250, 252, 0.82);
}

.site-footer h4 {
    margin-top: 0;
    margin-bottom: 0.85rem;
}

@media (min-width: 768px) {
    .topbar,
    .hero,
    .section,
    .auth-layout,
    .panel-main {
        padding-left: 40px;
        padding-right: 40px;
    }

    .main-nav {
        display: inline-flex;
        gap: 1.25rem;
    }

    .hero {
        padding-top: 5.5rem;
        padding-bottom: 4rem;
    }

    .hero-grid,
    .form-layout {
        grid-template-columns: 1.1fr 0.9fr;
    }

    .hero-actions {
        flex-direction: row;
    }

    .features-grid,
    .steps-grid,
    .stats-grid,
    .footer-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .panel-shell {
        grid-template-columns: 280px 1fr;
    }

    .panel-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}