/* ============================================================
   FS Ecosystem — Estilos principales
   Diseño: técnico, limpio, motorsport premium
   ============================================================ */

/* ── Variables ────────────────────────────────────────────── */
:root {
    --nav-bg:          #0d1b2a;
    --nav-text:        #e2e8f0;
    --nav-text-muted:  #94a3b8;
    --nav-border:      #1e3a5f;
    --nav-accent:      #c1121f;

    --color-primary:       #c1121f;
    --color-primary-hover: #a01019;
    --color-bg:            #ffffff;
    --color-surface:       #f8f9fa;
    --color-surface-2:     #f1f3f5;
    --color-border:        #dee2e6;
    --color-border-strong: #adb5bd;
    --color-text:          #212529;
    --color-text-muted:    #6c757d;
    --color-text-light:    #adb5bd;

    --color-active:    #1a7f4f;
    --color-active-bg: #d1fae5;
    --color-inactive:  #6c757d;
    --color-inactive-bg: #f1f3f5;

    --color-cv:  #1d4ed8;
    --color-cv-bg: #dbeafe;
    --color-ev:  #047857;
    --color-ev-bg: #d1fae5;
    --color-dv:  #7c3aed;
    --color-dv-bg: #ede9fe;

    --font-sans:  -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, Roboto, sans-serif;
    --font-mono:  'SF Mono', SFMono-Regular, Consolas, 'Liberation Mono', Menlo, monospace;

    --radius:    4px;
    --radius-md: 6px;
    --radius-lg: 8px;

    --shadow-sm:  0 1px 3px rgba(0,0,0,.07);
    --shadow:     0 2px 8px rgba(0,0,0,.10);
    --shadow-md:  0 4px 16px rgba(0,0,0,.12);

    --max-width:      1200px;
    --content-width:  900px;
}

/* ── Reset mínimo ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

* {
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

img { max-width: 100%; height: auto; display: block; }
a   { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4, h5, h6 {
    line-height: 1.25;
    font-weight: 700;
    color: var(--color-text);
}

/* ── Layout ───────────────────────────────────────────────── */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.content-narrow {
    max-width: var(--content-width);
    margin: 0 auto;
}

main { flex: 1; }

/* ── Navbar ───────────────────────────────────────────────── */
.navbar {
    background: var(--nav-bg);
    border-bottom: 1px solid var(--nav-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-inner {
    display: flex;
    align-items: center;
    height: 56px;
    gap: 32px;
}

.navbar-brand {
    display: flex;
    align-items: baseline;
    gap: 8px;
    text-decoration: none;
    flex-shrink: 0;
}

.brand-name {
    font-size: 1.1rem;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: -0.02em;
}

.brand-accent {
    color: var(--nav-accent);
}

.brand-tag {
    font-size: 0.65rem;
    color: var(--nav-text-muted);
    font-weight: 400;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    display: none; /* Se muestra en desktop */
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
    flex: 1;
}

.navbar-nav a {
    color: var(--nav-text);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    padding: 6px 12px;
    border-radius: var(--radius);
    transition: background .15s, color .15s;
    white-space: nowrap;
}

.navbar-nav a:hover,
.navbar-nav a.active {
    background: rgba(255,255,255,.08);
    color: #ffffff;
}

.navbar-search {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
}

.navbar-search input {
    background: rgba(255,255,255,.08);
    border: 1px solid rgba(255,255,255,.12);
    color: var(--nav-text);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    width: 180px;
    transition: border-color .2s, width .2s;
}

.navbar-search input:focus {
    outline: none;
    border-color: rgba(255,255,255,.3);
    width: 220px;
}

.navbar-search input::placeholder { color: var(--nav-text-muted); }

.navbar-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    margin-left: auto;
    color: var(--nav-text);
}

/* ── Hero (Home) ──────────────────────────────────────────── */
.hero {
    background: var(--nav-bg);
    padding: 56px 0 48px;
    border-bottom: 3px solid var(--nav-accent);
}

.hero-content {
    max-width: 720px;
}

.hero h1 {
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    font-weight: 800;
    color: #ffffff;
    line-height: 1.2;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    color: var(--nav-text-muted);
    font-size: 1rem;
    margin-bottom: 28px;
    max-width: 560px;
    line-height: 1.55;
}

.hero-search {
    display: flex;
    gap: 8px;
    max-width: 560px;
}

.hero-search input {
    flex: 1;
    padding: 12px 18px;
    border: 1px solid rgba(255,255,255,.15);
    border-radius: var(--radius-md);
    background: rgba(255,255,255,.08);
    color: #ffffff;
    font-size: 0.95rem;
    transition: border-color .2s;
}

.hero-search input:focus {
    outline: none;
    border-color: rgba(255,255,255,.35);
}

.hero-search input::placeholder { color: var(--nav-text-muted); }

.hero-search button {
    padding: 12px 20px;
    background: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background .15s;
    white-space: nowrap;
}

.hero-search button:hover { background: var(--color-primary-hover); }

/* ── Stats bar ────────────────────────────────────────────── */
.stats-bar {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 0;
}

.stats-bar-inner {
    display: flex;
    divide-x: var(--color-border);
}

.stat-item {
    flex: 1;
    padding: 16px 24px;
    text-align: center;
    border-right: 1px solid var(--color-border);
}

.stat-item:last-child { border-right: none; }

.stat-number {
    display: block;
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--color-text);
    font-family: var(--font-mono);
    line-height: 1;
    letter-spacing: -0.02em;
}

.stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-top: 4px;
    font-weight: 500;
}

/* ── Sections ─────────────────────────────────────────────── */
.section {
    padding: 48px 0;
}

.section-sm { padding: 32px 0; }
.section-lg { padding: 64px 0; }

.section-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 24px;
    gap: 16px;
}

.section-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: 8px;
}

.section-title::before {
    content: '';
    display: inline-block;
    width: 3px;
    height: 1.1em;
    background: var(--color-primary);
    border-radius: 2px;
    flex-shrink: 0;
}

.section-link {
    font-size: 0.85rem;
    color: var(--color-primary);
    font-weight: 500;
    white-space: nowrap;
    text-decoration: none;
}

.section-link:hover { text-decoration: underline; }

/* ── Section nav cards (Home) ─────────────────────────────── */
.nav-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.nav-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 20px 20px 16px;
    text-decoration: none;
    transition: border-color .15s, box-shadow .15s, transform .15s;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow);
    transform: translateY(-1px);
    text-decoration: none;
}

.nav-card-icon {
    font-size: 1.5rem;
    line-height: 1;
}

.nav-card-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-text);
}

.nav-card-desc {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    line-height: 1.4;
}

/* ── Team cards grid ──────────────────────────────────────── */
.teams-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

/* ── Page header ──────────────────────────────────────────── */
.page-header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 28px 0;
}

.page-header h1 {
    font-size: 1.6rem;
    margin-bottom: 4px;
}

.page-header p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* ── Filtros ──────────────────────────────────────────────── */
.filters-bar {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 12px 0;
}

.filters-inner {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 6px;
}

.filter-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-weight: 500;
    white-space: nowrap;
}

.filter-select {
    padding: 6px 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.85rem;
    color: var(--color-text);
    background: var(--color-bg);
    cursor: pointer;
}

.filter-select:focus { outline: none; border-color: var(--color-primary); }

.filter-search {
    padding: 6px 12px;
    border: 1px solid var(--color-border);
    border-radius: 20px;
    font-size: 0.85rem;
    width: 200px;
}

.filter-search:focus { outline: none; border-color: var(--color-primary); }

.filter-reset {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    padding: 4px 8px;
    background: none;
    border: none;
    cursor: pointer;
    text-decoration: underline;
}

.results-count {
    margin-left: auto;
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* ── Breadcrumbs ──────────────────────────────────────────── */
.breadcrumbs {
    padding: 10px 0;
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.breadcrumbs ol {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    align-items: center;
}

.breadcrumbs li:not(:last-child)::after {
    content: '›';
    margin-left: 4px;
    color: var(--color-border-strong);
}

.breadcrumbs a {
    color: var(--color-text-muted);
    text-decoration: none;
}

.breadcrumbs a:hover { color: var(--color-primary); }
.breadcrumbs li:last-child { color: var(--color-text); font-weight: 500; }

/* ── Badges ───────────────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    line-height: 1.6;
}

.badge-active   { background: var(--color-active-bg);   color: var(--color-active); }
.badge-inactive { background: var(--color-inactive-bg); color: var(--color-inactive); }
.badge-cv       { background: var(--color-cv-bg);       color: var(--color-cv); }
.badge-ev       { background: var(--color-ev-bg);       color: var(--color-ev); }
.badge-dv       { background: var(--color-dv-bg);       color: var(--color-dv); }
.badge-other    { background: var(--color-surface-2);   color: var(--color-text-muted); }

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    transition: background .15s, border-color .15s, color .15s;
    text-decoration: none;
    white-space: nowrap;
    line-height: 1.4;
}

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

.btn-primary:hover {
    background: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
    text-decoration: none;
    color: #fff;
}

.btn-secondary {
    background: var(--color-bg);
    color: var(--color-text);
    border-color: var(--color-border);
}

.btn-secondary:hover {
    background: var(--color-surface);
    text-decoration: none;
}

.btn-ghost {
    background: transparent;
    color: var(--color-primary);
    border-color: transparent;
    padding-left: 0;
    padding-right: 0;
}

.btn-sm { padding: 5px 12px; font-size: 0.8rem; }
.btn-lg { padding: 12px 24px; font-size: 1rem; }

/* ── Tables ───────────────────────────────────────────────── */
.table-wrap {
    overflow-x: auto;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

thead th {
    background: var(--color-surface);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-muted);
    padding: 10px 14px;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
}

tbody td {
    padding: 11px 14px;
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
}

tbody tr:last-child td { border-bottom: none; }

tbody tr:hover { background: var(--color-surface); }

.td-num {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    text-align: right;
    color: var(--color-text);
}

.td-pos {
    font-family: var(--font-mono);
    font-weight: 800;
    font-size: 1rem;
    color: var(--color-text);
    text-align: center;
    width: 48px;
}

.td-pos.pos-1 { color: #b45309; }
.td-pos.pos-2 { color: var(--color-inactive); }
.td-pos.pos-3 { color: #92400e; }

/* ── Forms ────────────────────────────────────────────────── */
.form-group { margin-bottom: 20px; }

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--color-text);
}

.form-label .req { color: var(--color-primary); margin-left: 2px; }

.form-control {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-bg);
    transition: border-color .15s;
    line-height: 1.5;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(193,18,31,.08);
}

textarea.form-control { resize: vertical; min-height: 100px; }

.form-hint {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    margin-top: 4px;
}

.form-error {
    background: #fff1f2;
    border: 1px solid #fecdd3;
    border-radius: var(--radius);
    padding: 10px 14px;
    font-size: 0.85rem;
    color: #be123c;
    margin-bottom: 16px;
}

.form-success {
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    border-radius: var(--radius);
    padding: 10px 14px;
    font-size: 0.85rem;
    color: #15803d;
    margin-bottom: 16px;
}

/* ── Cards genéricas ──────────────────────────────────────── */
.card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.card-body { padding: 20px; }
.card-header {
    padding: 14px 20px;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-surface);
    font-weight: 700;
    font-size: 0.9rem;
}

/* ── Ecosystem links block ────────────────────────────────── */
.ecosystem-block {
    background: var(--nav-bg);
    padding: 36px 0;
    margin-top: auto;
}

.ecosystem-block .section-title { color: var(--nav-text-muted); }
.ecosystem-block .section-title::before { background: var(--nav-accent); }

.ecosystem-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 16px;
}

.ecosystem-link {
    background: rgba(255,255,255,.05);
    border: 1px solid rgba(255,255,255,.1);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    text-decoration: none;
    transition: background .15s, border-color .15s;
    min-width: 200px;
}

.ecosystem-link:hover {
    background: rgba(255,255,255,.09);
    border-color: rgba(255,255,255,.2);
    text-decoration: none;
}

.ecosystem-link-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: #ffffff;
    display: block;
}

.ecosystem-link-desc {
    font-size: 0.75rem;
    color: var(--nav-text-muted);
    display: block;
    margin-top: 2px;
}

/* ── Footer ───────────────────────────────────────────────── */
footer {
    background: var(--nav-bg);
    border-top: 1px solid var(--nav-border);
    padding: 28px 0;
}

.footer-inner {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    align-items: flex-start;
    justify-content: space-between;
}

.footer-brand .brand-name { font-size: 0.95rem; }

.footer-disclaimer {
    font-size: 0.75rem;
    color: var(--nav-text-muted);
    max-width: 480px;
    line-height: 1.5;
    margin-top: 6px;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    list-style: none;
    align-items: center;
}

.footer-links a {
    font-size: 0.8rem;
    color: var(--nav-text-muted);
    text-decoration: none;
}

.footer-links a:hover { color: var(--nav-text); }

.footer-copy {
    width: 100%;
    font-size: 0.75rem;
    color: #4a5568;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--nav-border);
}

/* ── Empty states ─────────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--color-text-muted);
}

.empty-state-icon { font-size: 2.5rem; margin-bottom: 12px; }
.empty-state h3   { font-size: 1rem; color: var(--color-text); margin-bottom: 6px; }
.empty-state p    { font-size: 0.875rem; }

/* ── Utilities ────────────────────────────────────────────── */
.sr-only {
    position: absolute; width: 1px; height: 1px;
    padding: 0; margin: -1px; overflow: hidden;
    clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.text-muted    { color: var(--color-text-muted) !important; }
.text-sm       { font-size: 0.875rem; }
.text-xs       { font-size: 0.75rem; }
.font-mono     { font-family: var(--font-mono); }
.font-bold     { font-weight: 700; }

.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 16px; }
.mt-4 { margin-top: 24px; }
.mt-6 { margin-top: 48px; }

.mb-1 { margin-bottom: 4px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 16px; }
.mb-4 { margin-bottom: 24px; }

.flex         { display: flex; }
.flex-wrap    { flex-wrap: wrap; }
.items-center { align-items: center; }
.gap-2        { gap: 8px; }
.gap-3        { gap: 16px; }

.divider {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: 28px 0;
}

/* ── Responsive ───────────────────────────────────────────── */
@media (min-width: 768px) {
    .brand-tag { display: block; }
}

@media (max-width: 768px) {
    .navbar-nav,
    .navbar-search { display: none; }

    .navbar-toggle { display: flex; }

    .navbar-nav.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 56px;
        left: 0; right: 0;
        background: var(--nav-bg);
        border-bottom: 1px solid var(--nav-border);
        padding: 8px 16px 16px;
        gap: 2px;
        z-index: 99;
    }

    .stats-bar-inner {
        flex-wrap: wrap;
    }

    .stat-item {
        flex: 1 1 50%;
        min-width: 120px;
    }

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

    .hero { padding: 36px 0 32px; }

    .hero-search { flex-direction: column; }
    .hero-search button { width: 100%; justify-content: center; }

    .filters-inner {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-search { width: 100%; }

    .footer-inner {
        flex-direction: column;
        gap: 16px;
    }
}

@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .nav-cards { grid-template-columns: 1fr; }
    .stat-item { flex: 1 1 100%; }
}