/* ==========================================================
   SBI — Sport Business Intelligence
   Shared styles
   ========================================================== */

:root {
    --bg-deepest: #050B14;
    --bg-deep: #0A1628;
    --bg-panel: #0F1E33;
    --line: rgba(255, 255, 255, 0.08);
    --line-strong: rgba(255, 255, 255, 0.18);

    --ink: #E8EEF5;
    --ink-soft: #B6C2D1;
    --ink-dim: #6B7888;

    --accent: #00E5FF;
    --accent-soft: rgba(0, 229, 255, 0.12);
    --accent-glow: rgba(0, 229, 255, 0.35);
    --accent-strong: #00b8cc;
    --logo-navy: #1B2D4F;

    --error: #FF6B6B;
    --success: #4ECDC4;

    --serif: 'Cormorant Garamond', 'Garamond', 'Georgia', 'Times New Roman', serif;
    --sans: 'Inter', 'Helvetica Neue', 'Arial', system-ui, sans-serif;

    --max-w: 1440px;
    --max-w-text: 760px;

    --focus-ring: 0 0 0 2px var(--bg-deepest), 0 0 0 4px var(--accent);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: var(--sans);
    background: var(--bg-deepest);
    color: var(--ink);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Subtle grain overlay across whole site */
body::after {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 100;
    opacity: 0.4;
    mix-blend-mode: overlay;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 0.4 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/></svg>");
}

::selection { background: var(--accent); color: var(--bg-deepest); }

/* === Accessibility === */

/* Skip link for keyboard users */
.skip-link {
    position: absolute;
    top: -100px;
    left: 1rem;
    z-index: 1000;
    background: var(--accent);
    color: var(--bg-deepest);
    padding: 0.75rem 1.25rem;
    text-decoration: none;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-size: 0.78rem;
    transition: top 0.2s ease;
}
.skip-link:focus {
    top: 1rem;
    outline: none;
}

/* Visible focus rings for keyboard navigation */
:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

/* Hidden text for screen readers only */
.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;
}

a, button { cursor: pointer; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ===== Navigation ===== */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 50;
    padding: 1.75rem 3rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background: linear-gradient(180deg, rgba(5, 11, 20, 0.85) 0%, rgba(5, 11, 20, 0.4) 100%);
    border-bottom: 1px solid var(--line);
    transition: padding 0.3s ease, background 0.3s ease;
    gap: 2rem;
}

.nav.scrolled { padding: 1rem 3rem; background: rgba(5, 11, 20, 0.95); }

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    text-decoration: none;
    color: var(--ink);
    flex-shrink: 0;
}

.nav-logo img {
    height: 38px;
    width: auto;
    opacity: 0.95;
    transition: opacity 0.3s ease;
}
.nav-logo:hover img { opacity: 1; }

.nav-menu {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-menu a {
    color: var(--ink-soft);
    text-decoration: none;
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    position: relative;
    padding: 0.5rem 0;
    transition: color 0.3s ease;
}

.nav-menu a::before {
    content: "";
    position: absolute;
    bottom: 0; left: 0;
    width: 0; height: 1px;
    background: var(--accent);
    transition: width 0.4s cubic-bezier(0.65, 0, 0.35, 1);
    box-shadow: 0 0 8px var(--accent-glow);
}

.nav-menu a:hover, .nav-menu a:focus-visible { color: var(--ink); }
.nav-menu a:hover::before, .nav-menu a:focus-visible::before { width: 100%; }

.nav-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

/* Language switcher */
.lang-switch {
    display: flex;
    border: 1px solid var(--line-strong);
    border-radius: 2px;
    overflow: hidden;
}

.lang-switch button {
    background: transparent;
    border: none;
    color: var(--ink-dim);
    font-family: var(--sans);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    padding: 0.55rem 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
    text-transform: uppercase;
}

.lang-switch button:hover { color: var(--ink); }
.lang-switch button.active {
    background: var(--accent);
    color: var(--bg-deepest);
}

.nav-cta {
    padding: 0.7rem 1.4rem;
    background: transparent;
    border: 1px solid var(--accent);
    color: var(--accent);
    font-family: var(--sans);
    font-size: 0.72rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.nav-cta::before {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--accent);
    transform: translateX(-101%);
    transition: transform 0.4s cubic-bezier(0.65, 0, 0.35, 1);
    z-index: -1;
}

.nav-cta:hover, .nav-cta:focus-visible { color: var(--bg-deepest); }
.nav-cta:hover::before, .nav-cta:focus-visible::before { transform: translateX(0); }

/* Mobile hamburger (only shows on mobile) */
.nav-burger {
    display: none;
    background: transparent;
    border: 1px solid var(--line-strong);
    width: 42px; height: 42px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 0;
}
.nav-burger span {
    display: block;
    width: 18px; height: 1px;
    background: var(--ink);
    transition: transform 0.3s, opacity 0.3s;
}
.nav-burger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ===== Buttons ===== */
.btn-primary {
    padding: 1rem 2rem;
    background: var(--accent);
    color: var(--bg-deepest);
    border: none;
    font-family: var(--sans);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary:hover, .btn-primary:focus-visible {
    box-shadow: 0 0 30px var(--accent-glow);
    transform: translateY(-2px);
}
.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}
.btn-primary svg { transition: transform 0.3s ease; }
.btn-primary:hover svg { transform: translateX(4px); }

.btn-ghost {
    padding: 1rem 0;
    color: var(--ink-soft);
    text-decoration: none;
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    border-bottom: 1px solid var(--line-strong);
    transition: all 0.3s ease;
    background: transparent;
    border-top: none;
    border-left: none;
    border-right: none;
}

.btn-ghost:hover, .btn-ghost:focus-visible { color: var(--ink); border-bottom-color: var(--accent); }

/* ===== Section common ===== */
section {
    position: relative;
    padding: 8rem 3rem;
}

.container {
    max-width: var(--max-w);
    margin: 0 auto;
}

.section-num {
    font-family: var(--serif);
    font-style: italic;
    color: var(--accent);
    font-size: 1.1rem;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.section-num::after {
    content: "";
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--accent), transparent);
    max-width: 80px;
}

.section-eyebrow {
    font-size: 0.72rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--ink-dim);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.section-title {
    font-family: var(--serif);
    font-weight: 400;
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    line-height: 1.05;
    letter-spacing: -0.02em;
    color: var(--ink);
    margin-bottom: 2rem;
}

.section-title em {
    font-style: italic;
    color: var(--accent);
    font-weight: 300;
}

/* ===== Footer ===== */
.footer {
    background: var(--bg-deepest);
    border-top: 1px solid var(--line);
    padding: 4rem 3rem 2rem;
}

.footer-grid {
    max-width: var(--max-w);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 4rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid var(--line);
}

.footer-brand img {
    height: 36px;
    opacity: 0.85;
    margin-bottom: 1.25rem;
}

.footer-tag {
    font-family: var(--serif);
    font-style: italic;
    color: var(--ink-soft);
    font-size: 1.05rem;
    line-height: 1.5;
    max-width: 320px;
}

.footer-col h4 {
    font-size: 0.7rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 1.25rem;
    font-weight: 500;
}

.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 0.6rem; }
.footer-col a {
    color: var(--ink-soft);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}
.footer-col a:hover, .footer-col a:focus-visible { color: var(--accent); }

.footer-col p, .footer-col address {
    color: var(--ink-soft);
    font-size: 0.9rem;
    line-height: 1.7;
    font-style: normal;
}

.footer-bottom {
    max-width: var(--max-w);
    margin: 0 auto;
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p, .footer-bottom a {
    font-size: 0.78rem;
    color: var(--ink-dim);
    text-decoration: none;
    letter-spacing: 0.05em;
}

.footer-bottom a:hover, .footer-bottom a:focus-visible { color: var(--accent); }

.footer-legal { display: flex; gap: 2rem; flex-wrap: wrap; }

/* ===== Reveal animation ===== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.9s cubic-bezier(0.65, 0, 0.35, 1),
                transform 0.9s cubic-bezier(0.65, 0, 0.35, 1);
}

.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== Cookie Banner ===== */
.cookie-banner {
    position: fixed;
    bottom: 1.5rem;
    left: 1.5rem;
    right: 1.5rem;
    max-width: 720px;
    margin: 0 auto;
    z-index: 90;
    background: var(--bg-deep);
    border: 1px solid var(--line-strong);
    padding: 1.75rem 2rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
    transform: translateY(150%);
    transition: transform 0.6s cubic-bezier(0.65, 0, 0.35, 1);
}

.cookie-banner.visible { transform: translateY(0); }

.cookie-banner h3 {
    font-family: var(--serif);
    font-size: 1.5rem;
    color: var(--ink);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.cookie-banner p {
    color: var(--ink-soft);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1.25rem;
    font-weight: 300;
}

.cookie-banner p a {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.cookie-banner-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.cookie-banner button {
    padding: 0.7rem 1.5rem;
    font-family: var(--sans);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid var(--line-strong);
    background: transparent;
    color: var(--ink-soft);
}

.cookie-banner button.primary {
    background: var(--accent);
    color: var(--bg-deepest);
    border-color: var(--accent);
}

.cookie-banner button.primary:hover, .cookie-banner button.primary:focus-visible {
    box-shadow: 0 0 20px var(--accent-glow);
}

.cookie-banner button:not(.primary):hover, .cookie-banner button:not(.primary):focus-visible {
    color: var(--ink);
    border-color: var(--ink-soft);
}

/* ===== Responsive ===== */
@media (max-width: 968px) {
    .nav { padding: 1.25rem 1.5rem; gap: 1rem; }
    .nav.scrolled { padding: 0.875rem 1.5rem; }
    .nav-menu {
        position: fixed;
        top: 78px;
        right: 0;
        bottom: 0;
        width: 80%;
        max-width: 340px;
        background: var(--bg-deep);
        flex-direction: column;
        padding: 2.5rem 2rem;
        gap: 2rem;
        transform: translateX(100%);
        transition: transform 0.4s ease;
        border-left: 1px solid var(--line);
    }
    .nav-menu.open { transform: translateX(0); }
    .nav-menu a { font-size: 1rem; }
    .nav-burger { display: flex; }
    .nav-cta { display: none; }
    .nav-logo img { height: 32px; }

    section { padding: 5rem 1.5rem; }
    .footer { padding: 3rem 1.5rem 2rem; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
    .cookie-banner { padding: 1.25rem 1.5rem; bottom: 1rem; left: 1rem; right: 1rem; }
}

@media (max-width: 560px) {
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; align-items: flex-start; }
    .cookie-banner-actions { flex-direction: column; }
    .cookie-banner-actions button { width: 100%; }
}

/* ==========================================================
   Legal pages (Impressum, Privacy, Cookies)
   ========================================================== */
.legal-page {
    padding: 10rem 3rem 6rem;
    min-height: 100vh;
}

.legal-container {
    max-width: 820px;
    margin: 0 auto;
}

.legal-header { margin-bottom: 4rem; }

.legal-back {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--ink-dim);
    text-decoration: none;
    font-size: 0.78rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    font-weight: 500;
    margin-bottom: 2rem;
    transition: color 0.3s, gap 0.3s;
}
.legal-back:hover, .legal-back:focus-visible { color: var(--accent); gap: 0.75rem; }

.legal-eyebrow {
    font-family: var(--serif);
    font-style: italic;
    color: var(--accent);
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
}

.legal-title {
    font-family: var(--serif);
    font-weight: 400;
    font-size: clamp(2.5rem, 5vw, 4rem);
    line-height: 1.05;
    letter-spacing: -0.02em;
    color: var(--ink);
    margin-bottom: 1rem;
}

.legal-subtitle {
    color: var(--ink-soft);
    font-size: 1rem;
    font-weight: 300;
    margin-bottom: 1.5rem;
}

.legal-meta {
    font-size: 0.78rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--ink-dim);
    padding-top: 1.5rem;
    border-top: 1px solid var(--line);
}

.legal-content {
    color: var(--ink-soft);
    font-size: 1rem;
    line-height: 1.85;
    font-weight: 300;
}

.legal-content h2 {
    font-family: var(--serif);
    font-weight: 500;
    font-size: 1.75rem;
    color: var(--ink);
    margin: 3rem 0 1.25rem;
    line-height: 1.2;
}

.legal-content h2:first-child { margin-top: 0; }

.legal-content h3 {
    font-family: var(--sans);
    font-size: 0.8rem;
    color: var(--accent);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    font-weight: 600;
    margin: 2rem 0 0.75rem;
}

.legal-content p { margin-bottom: 1.25rem; }
.legal-content p:last-child { margin-bottom: 0; }

.legal-content ul { margin: 0 0 1.25rem 1.5rem; padding: 0; list-style: none; }

.legal-content ul li {
    position: relative;
    padding-left: 1.25rem;
    margin-bottom: 0.5rem;
}
.legal-content ul li::before {
    content: "—";
    position: absolute;
    left: 0;
    color: var(--accent);
}

.legal-content a {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.legal-content strong { color: var(--ink); font-weight: 500; }

.legal-content .data-block {
    background: var(--bg-deep);
    border: 1px solid var(--line);
    padding: 1.5rem 1.75rem;
    margin: 1.5rem 0;
    border-left: 2px solid var(--accent);
}

.legal-content .data-block p { margin-bottom: 0.4rem; }

.legal-lang-block { display: none; }
.legal-lang-block.active { display: block; }

@media (max-width: 968px) {
    .legal-page { padding: 7rem 1.5rem 4rem; }
    .legal-content h2 { font-size: 1.5rem; }
}