/**
 * DeutschGuide — Page Layouts
 * Establishes spacing structures, core pages sections, flex grids, sticky headers, sidebar ads templates and footer components.
 */

/* ─── Grid System & Spacing ───────────────────────────────────────────────── */
.container {
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--space-4);
    padding-right: var(--space-4);
}

@media (min-width: 640px) { .container { max-width: var(--container-sm); } }
@media (min-width: 768px) { .container { max-width: var(--container-md); } }
@media (min-width: 1024px) { .container { max-width: var(--container-lg); } }
@media (min-width: 1280px) { .container { max-width: var(--container-xl); } }

.grid {
    display: grid;
    gap: var(--space-6);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* ─── Navbar Layout ───────────────────────────────────────────────────────── */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--navbar-height);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.78)),
        var(--bg-navbar);
    backdrop-filter: blur(22px) saturate(170%);
    -webkit-backdrop-filter: blur(22px) saturate(170%);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 16px 42px rgba(15, 23, 42, 0.08);
    z-index: var(--z-sticky);
    transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.navbar::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(11, 61, 145, 0.22), rgba(255, 107, 53, 0.48), transparent);
    pointer-events: none;
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: var(--space-5);
    height: 100%;
    width: min(1560px, calc(100% - 48px));
    max-width: none;
    padding-left: 0;
    padding-right: 0;
}

.navbar-logo {
    display: flex;
    align-items: center;
    flex: 0 0 auto;
    min-width: 222px;
    padding: var(--space-1) 0;
}

.navbar-logo-mark {
    display: block;
    width: 214px;
    height: auto;
}

.navbar-menu {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1 1 auto;
    min-width: 0;
    gap: 6px;
    list-style: none;
    padding: 7px;
    border: 1px solid rgba(148, 163, 184, 0.28);
    border-radius: var(--radius-md);
    background: rgba(241, 245, 249, 0.88);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.94),
        inset 0 -1px 0 rgba(148, 163, 184, 0.08),
        0 8px 24px rgba(15, 23, 42, 0.05);
}

.nav-link {
    min-height: 2.75rem;
    padding: 0 var(--space-3);
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-size: 0.83rem;
    font-weight: var(--font-bold);
    color: var(--text-secondary);
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    white-space: nowrap;
    line-height: 1;
    background: transparent;
    box-shadow: inset 0 1px 0 transparent;
    transition: color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.nav-link:hover {
    color: var(--text-primary);
    border-color: rgba(148, 163, 184, 0.30);
    background: rgba(255, 255, 255, 0.92);
    box-shadow:
        inset 0 1px 0 #fff,
        0 5px 12px rgba(15, 23, 42, 0.08);
    transform: translateY(-1px);
}

.nav-link::after {
    content: '';
    position: absolute;
    right: 12px;
    bottom: 4px;
    left: 12px;
    height: 2px;
    border-radius: 2px;
    background: var(--primary);
    opacity: 0;
    transform: scaleX(0.55);
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.nav-link.active {
    color: var(--primary);
    border-color: rgba(11, 61, 145, 0.16);
    background: var(--bg-card);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.94),
        0 7px 16px rgba(11, 61, 145, 0.13);
    transform: translateY(-1px);
}

.nav-link.active::after {
    opacity: 1;
    transform: scaleX(1);
}

.nav-link:focus-visible {
    outline: 3px solid rgba(11, 61, 145, 0.24);
    outline-offset: 2px;
}

.nav-link > i {
    width: 15px;
    height: 15px;
    flex: 0 0 auto;
    stroke-width: 2.3;
}

/* Visible fallbacks while the pinned icon script is unavailable. */
i[data-lucide]::before {
    display: inline-block;
    font-style: normal;
    line-height: 1;
}
i[data-lucide="home"]::before { content: '⌂'; }
i[data-lucide="book-open"]::before { content: '▤'; }
i[data-lucide="landmark"]::before { content: '▥'; }
i[data-lucide="mail"]::before { content: '✉'; }
i[data-lucide="layout-grid"]::before { content: '▦'; }
i[data-lucide="chevron-down"]::before { content: '⌄'; }
i[data-lucide="moon"]::before { content: '◐'; }
i[data-lucide="sun"]::before { content: '☀'; }
i[data-lucide="menu"]::before { content: '☰'; }
i[data-lucide="x"]::before { content: '×'; }

.nav-dropdown {
    position: relative;
}

.nav-dropdown-trigger {
    border: 0;
    font: inherit;
    cursor: pointer;
}

.nav-dropdown-trigger > i:last-child {
    width: 14px;
    height: 14px;
    margin-left: -2px;
}

.nav-dropdown-panel {
    position: absolute;
    top: calc(100% + 1rem);
    left: 50%;
    width: min(860px, calc(100vw - 32px));
    transform: translateX(-50%) translateY(8px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    padding: var(--space-4);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-elevated);
    box-shadow: var(--shadow-premium);
    transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
    z-index: var(--z-dropdown);
}

.nav-tools-panel {
    width: min(520px, calc(100vw - 32px));
}

.nav-dropdown-panel.active,
.nav-dropdown:hover .nav-dropdown-panel {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

.nav-dropdown-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-4);
    padding: 0 var(--space-1) var(--space-3);
    margin-bottom: var(--space-3);
    border-bottom: 1px solid var(--border-color);
}

.nav-dropdown-head strong {
    color: var(--text-primary);
    font-size: var(--text-sm);
}

.nav-dropdown-head span {
    color: var(--text-muted);
    font-size: var(--text-xs);
}

.nav-guide-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-2);
}

.nav-featured-guides {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-2);
    margin-bottom: var(--space-3);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--border-color);
}

.nav-guide-link-featured {
    min-height: 54px;
    background: var(--bg-hover);
}

.nav-guide-link-featured span {
    display: grid;
    gap: 2px;
    min-width: 0;
}

.nav-guide-link-featured small {
    color: var(--text-muted);
    font-size: 0.62rem;
    font-weight: var(--font-bold);
    text-transform: uppercase;
}

.nav-tools-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.nav-guide-link {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    min-height: 42px;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
}

.nav-guide-link:hover {
    color: var(--primary);
    background: var(--bg-hover);
}

.nav-guide-link-danger:hover {
    color: var(--error);
}

.nav-guide-link i {
    width: 16px;
    height: 16px;
    color: var(--primary-light);
    flex: 0 0 auto;
}

.navbar-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex: 0 0 auto;
    gap: var(--space-3);
}

.menu-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 2.875rem;
    height: 2.875rem;
    padding: 0;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-surface);
    color: var(--text-secondary);
    box-shadow: var(--shadow-sm);
}

/* ─── Main Content Wrapper ────────────────────────────────────────────────── */
.main-content {
    flex-grow: 1;
    margin-top: var(--navbar-height);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.46) 0%, rgba(255, 255, 255, 0) 420px),
        var(--bg-app);
}

.section {
    padding-top: var(--space-12);
    padding-bottom: var(--space-12);
}

/* ─── Hero Section Layout ──────────────────────────────────────────────────── */
.hero {
    background:
        linear-gradient(135deg, rgba(11, 61, 145, 0.12) 0%, rgba(255, 255, 255, 0.56) 48%, rgba(16, 185, 129, 0.10) 100%),
        linear-gradient(180deg, var(--bg-elevated) 0%, var(--bg-app) 100%);
    padding-top: calc(var(--space-16) + var(--space-8));
    padding-bottom: var(--space-16);
    text-align: center;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--border-color);
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(15, 23, 42, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15, 23, 42, 0.04) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.45), transparent 70%);
    -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.45), transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 920px;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(2.45rem, 5vw, 4.85rem);
    line-height: 1.04;
    margin-bottom: var(--space-6);
    max-width: 940px;
    margin-left: auto;
    margin-right: auto;
}

.hero-subtitle {
    font-size: var(--text-lg);
    margin-bottom: var(--space-8);
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: stretch;
    justify-content: center;
    gap: var(--space-4);
    margin-top: var(--space-12);
}

.hero-stat {
    text-align: center;
    min-width: 0;
}

.hero-stat-value {
    font-size: var(--text-3xl);
    font-weight: var(--font-extrabold);
    color: var(--primary-light);
    line-height: 1;
    margin-bottom: var(--space-2);
}

.hero-stat-label {
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    color: var(--text-secondary);
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    margin-bottom: var(--space-6);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    background: var(--glass-bg);
    color: var(--primary);
    box-shadow: var(--glass-shadow);
    font-size: var(--text-xs);
    font-weight: var(--font-bold);
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.hero-trust-row {
    display: flex;
    justify-content: center;
    gap: var(--space-3);
    flex-wrap: wrap;
    margin-top: var(--space-8);
}

.hero-trust-pill {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.62);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
}

/* Portal pilot home hero */
.portal-hero {
    background: #101827;
    padding-top: var(--space-10);
    padding-bottom: var(--space-8);
    text-align: left;
    border-bottom-color: #27364d;
}

.portal-hero::before {
    display: none;
}

.portal-hero-content {
    display: grid;
    grid-template-columns: minmax(0, 1.28fr) minmax(320px, 0.72fr);
    gap: var(--space-8);
    align-items: center;
    max-width: var(--container-xl);
}

.portal-hero-main {
    min-width: 0;
}

.portal-hero .hero-title {
    max-width: 760px;
    margin-right: 0;
    margin-left: 0;
    margin-bottom: var(--space-4);
    color: #f8fafc;
    font-size: clamp(2.15rem, 4vw, 3.85rem);
    line-height: 1.07;
}

.portal-hero .hero-subtitle {
    max-width: 680px;
    margin-right: 0;
    margin-left: 0;
    margin-bottom: var(--space-6);
    color: #c3cee0;
    font-size: var(--text-base);
}

.portal-hero .hero-actions {
    justify-content: flex-start;
}

.portal-hero .hero-eyebrow {
    margin-bottom: var(--space-4);
    background: #182337;
    border-color: #3b4b64;
    color: #9ee7c3;
    box-shadow: none;
}

.portal-hero .hero-trust-row {
    justify-content: flex-start;
    margin-top: var(--space-6);
}

.portal-hero .hero-trust-pill {
    background: #182337;
    border-color: #34445c;
    color: #d5deeb;
    box-shadow: none;
}

.portal-hero .hero-trust-pill svg {
    color: #60d5a6;
}

.portal-hero .btn-primary {
    background: #1769d2;
    box-shadow: 0 12px 28px rgba(23, 105, 210, 0.28);
}

.portal-hero .btn-primary:hover {
    background: #2180e8;
    box-shadow: 0 16px 32px rgba(23, 105, 210, 0.34);
}

.portal-hero .btn-secondary {
    background: #1a263a;
    border-color: #52617a;
    color: #f8fafc;
    box-shadow: none;
}

.portal-hero .btn-secondary:hover {
    background: #243149;
    border-color: #7c8ba2;
    color: #ffffff;
}

.quick-start-panel {
    position: relative;
    z-index: 1;
    padding: var(--space-5);
    border: 1px solid #3b4a62;
    border-radius: var(--radius-lg);
    background: #182235;
    box-shadow: 0 24px 54px rgba(3, 8, 18, 0.3);
}

.quick-start-head {
    margin-bottom: var(--space-4);
}

.quick-start-head span {
    display: block;
    margin-bottom: var(--space-1);
    color: #72deb4;
    font-size: var(--text-xs);
    font-weight: var(--font-extrabold);
    text-transform: uppercase;
}

.quick-start-head h2 {
    margin: 0;
    color: #f8fafc;
    font-size: var(--text-xl);
}

.quick-start-list {
    display: grid;
    gap: var(--space-3);
}

.quick-start-item {
    display: grid;
    grid-template-columns: 38px minmax(0, 1fr);
    gap: var(--space-3);
    align-items: center;
    padding: var(--space-3);
    border: 1px solid #3a4961;
    border-radius: var(--radius-md);
    color: #c9d3e2;
    background: #202b40;
}

.quick-start-item:hover {
    border-color: #5a89c9;
    color: #ffffff;
    background: #26334a;
    transform: translateY(-1px);
    box-shadow: 0 10px 24px rgba(3, 8, 18, 0.22);
}

.quick-start-icon {
    display: inline-flex;
    width: 38px;
    height: 38px;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: #173d67;
    color: #7bc5ff;
}

.quick-start-item strong,
.quick-start-item em {
    display: block;
}

.quick-start-item strong {
    color: #f8fafc;
    font-size: var(--text-sm);
}

.quick-start-item em {
    margin-top: 2px;
    color: #aebbd0;
    font-size: var(--text-xs);
    font-style: normal;
    line-height: 1.4;
}

[data-theme="dark"] .main-content {
    background:
        linear-gradient(180deg, rgba(30, 41, 59, 0.22) 0%, rgba(15, 23, 42, 0) 420px),
        var(--bg-app);
}

[data-theme="dark"] .navbar {
    background:
        linear-gradient(180deg, rgba(15, 23, 42, 0.92), rgba(15, 23, 42, 0.78)),
        var(--bg-navbar);
    box-shadow: 0 18px 46px rgba(0, 0, 0, 0.28);
}

[data-theme="dark"] .navbar-menu {
    background: rgba(15, 23, 42, 0.62);
    border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .nav-link:hover,
[data-theme="dark"] .nav-link.active {
    background: rgba(30, 41, 59, 0.92);
}

[data-theme="dark"] .hero {
    background:
        linear-gradient(135deg, rgba(21, 101, 192, 0.18) 0%, rgba(15, 23, 42, 0.72) 48%, rgba(16, 185, 129, 0.12) 100%),
        linear-gradient(180deg, var(--bg-elevated) 0%, var(--bg-app) 100%);
}

[data-theme="dark"] .portal-hero {
    background: #0b1220;
}

[data-theme="dark"] .hero-trust-pill {
    background: rgba(30, 41, 59, 0.62);
}

[data-theme="dark"] .portal-hero .hero-trust-pill {
    background: #182337;
}

/* ─── Sidebar / Main Page Layout ───────────────────────────────────────────── */
.sidebar-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--space-8);
}

.sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

/* ─── Page Header Component ────────────────────────────────────────────────── */
.page-header {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    color: #FFFFFF;
    padding-top: var(--space-12);
    padding-bottom: var(--space-12);
    margin-bottom: var(--space-8);
    position: relative;
    overflow: hidden;
}

.page-header h1, .page-header p {
    color: #FFFFFF;
}

.page-header p {
    opacity: 0.8;
}

/* ─── Footer Layout ───────────────────────────────────────────────────────── */
.footer {
    background: var(--bg-footer);
    color: var(--text-on-footer);
    padding-top: var(--space-16);
    padding-bottom: var(--space-8);
    border-top: 1px solid var(--border-color);
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--space-8);
    margin-bottom: var(--space-12);
}

.footer-column {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.footer-logo {
    font-size: var(--text-xl);
    font-weight: var(--font-extrabold);
    color: #FFFFFF;
}

.footer-logo span {
    color: var(--accent);
}

.footer-title {
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #FFFFFF;
    font-weight: var(--font-bold);
    margin-bottom: var(--space-2);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.footer-links a {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: #FFFFFF;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    font-size: var(--text-xs);
    color: var(--text-secondary);
}