/* ============================================================
   ironrunner.de — Design System (Hell + technische DNA)
   Tokens, Layout, Panels, Konfigurator, Legal, Responsive
   ============================================================ */

:root {
    --bg: #F7F9FB;
    --bg-card: #FFFFFF;
    --bg-soft: #EEF3F8;
    --ink: #0F172A;
    --ink-dim: #475569;
    --ink-faint: #8A97AB;
    --accent: #2563EB;
    --accent-strong: #1D4ED8;
    --accent-soft: #DBEAFE;
    --accent-faint: #EFF5FE;
    --line: #E3E9F1;
    --ok: #15803D;
    --ok-soft: #DCFCE7;
    --warn: #B45309;
    --steel: #64748B;
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
    --shadow-md: 0 2px 6px rgba(15, 23, 42, 0.05), 0 14px 34px rgba(15, 23, 42, 0.08);
    --radius: 14px;
    --radius-lg: 20px;
    --font-sans: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    --font-mono: ui-monospace, 'JetBrains Mono', 'SF Mono', 'Cascadia Code', 'Fira Code', monospace;
    --header-h: 68px;
}

/* ---------- Reset / Base ---------- */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--ink);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

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

a { color: var(--accent); text-decoration: none; }

a:hover { color: var(--accent-strong); }

::selection { background: var(--accent-soft); color: var(--ink); }

section { scroll-margin-top: calc(var(--header-h) + 16px); }

.container {
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 24px;
}

.mono { font-family: var(--font-mono); }

/* Subtiles Grid-Background (technische DNA, hell) */
.grid-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(var(--line) 1px, transparent 1px),
        linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size: 44px 44px;
    opacity: 0.4;
    -webkit-mask-image: radial-gradient(ellipse 90% 80% at 50% 0%, #000 40%, transparent 100%);
    mask-image: radial-gradient(ellipse 90% 80% at 50% 0%, #000 40%, transparent 100%);
}

/* ---------- Header ---------- */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--header-h);
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
}

.site-header .container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--ink);
    font-weight: 800;
    font-size: 1.15rem;
    letter-spacing: -0.02em;
}

.brand:hover { color: var(--ink); }

.brand .brand-mark { width: 28px; height: 28px; flex: none; }

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

.nav {
    display: flex;
    align-items: center;
    gap: 28px;
}

.nav-links {
    display: flex;
    gap: 24px;
    list-style: none;
}

.nav-links a {
    color: var(--ink-dim);
    font-size: 0.925rem;
    font-weight: 500;
    transition: color 0.15s ease;
}

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

.nav-toggle {
    display: none;
    background: none;
    border: 1px solid var(--line);
    border-radius: 8px;
    width: 40px;
    height: 40px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
}

.nav-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--ink);
    border-radius: 2px;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ---------- Buttons ---------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 26px;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    font-family: var(--font-sans);
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, border-color 0.15s ease;
    white-space: nowrap;
}

.btn:active { transform: translateY(1px); }

.btn-primary {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 1px 2px rgba(37, 99, 235, 0.25), 0 8px 20px rgba(37, 99, 235, 0.18);
}

.btn-primary:hover {
    background: var(--accent-strong);
    color: #fff;
    box-shadow: 0 2px 4px rgba(37, 99, 235, 0.25), 0 12px 26px rgba(37, 99, 235, 0.24);
}

.btn-ghost {
    background: var(--bg-card);
    color: var(--ink);
    border-color: var(--line);
    box-shadow: var(--shadow-sm);
}

.btn-ghost:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.btn-sm { padding: 9px 18px; font-size: 0.875rem; }

/* ---------- Hero ---------- */

#hero {
    position: relative;
    overflow: hidden;
    padding: 88px 0 96px;
    background:
        radial-gradient(ellipse 60% 50% at 75% 10%, rgba(37, 99, 235, 0.07), transparent 70%),
        var(--bg);
}

.hero-grid {
    position: relative;
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    gap: 56px;
    align-items: center;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--steel);
    background: var(--bg-card);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 7px 16px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 24px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex: none;
}

.status-dot.green { background: var(--ok); box-shadow: 0 0 0 3px var(--ok-soft); }
.status-dot.blue { background: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

#hero h1 {
    font-size: clamp(2.2rem, 4.6vw, 3.4rem);
    line-height: 1.08;
    letter-spacing: -0.035em;
    font-weight: 800;
    margin-bottom: 20px;
}

#hero h1 .accent { color: var(--accent); }

.hero-sub {
    font-size: 1.1rem;
    color: var(--ink-dim);
    max-width: 34rem;
    margin-bottom: 32px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 32px;
}

.trust-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.badge {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--steel);
    background: var(--bg-card);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 6px 12px;
    box-shadow: var(--shadow-sm);
}

.badge strong { color: var(--ink); font-weight: 600; }

/* Terminal-Karte (hell) */

.terminal {
    background: var(--bg-card);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    font-family: var(--font-mono);
}

.terminal-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 18px;
    border-bottom: 1px solid var(--line);
    background: var(--bg-soft);
}

.terminal-dot {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: var(--line);
}

.terminal-dot:first-child { background: #F87171; }
.terminal-dot:nth-child(2) { background: #FBBF24; }
.terminal-dot:nth-child(3) { background: #34D399; }

.terminal-title {
    margin-left: 8px;
    font-size: 0.78rem;
    color: var(--ink-faint);
    letter-spacing: 0.02em;
}

.terminal-body {
    padding: 20px 20px 24px;
    height: 264px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.log-line {
    font-size: 0.83rem;
    line-height: 1.75;
    white-space: nowrap;
    animation: log-in 0.25s ease both;
}

@keyframes log-in {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

.log-line.ln-prompt { color: var(--ink); }
.log-line.ln-prompt::before { content: '$ '; color: var(--accent); font-weight: 700; }
.log-line.ln-ok { color: var(--ok); }
.log-line.ln-run { color: var(--accent); }
.log-line.ln-dim { color: var(--ink-faint); }
.log-line .dim { color: var(--ink-faint); }

.log-line .cursor {
    display: inline-block;
    width: 8px;
    height: 1.05em;
    background: var(--accent);
    vertical-align: text-bottom;
    margin-left: 2px;
    animation: blink 1.05s steps(1) infinite;
}

@keyframes blink { 50% { opacity: 0; } }

/* ---------- Sections (gemeinsam) ---------- */

.section {
    position: relative;
    padding: 88px 0;
}

.section.alt { background: var(--bg-card); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.section-head {
    max-width: 40rem;
    margin-bottom: 48px;
}

.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

.section-kicker {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 12px;
}

.section-head h2 {
    font-size: clamp(1.7rem, 3.2vw, 2.3rem);
    line-height: 1.15;
    letter-spacing: -0.03em;
    font-weight: 800;
    margin-bottom: 14px;
}

.section-head p { color: var(--ink-dim); font-size: 1.02rem; }

/* ---------- Cards: Warum ---------- */

.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 28px 26px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-soft);
}

.card .card-icon {
    width: 44px;
    height: 44px;
    border-radius: 11px;
    background: var(--accent-faint);
    border: 1px solid var(--accent-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
}

.card .card-icon svg { width: 22px; height: 22px; stroke: var(--accent); }

.card h3 {
    font-size: 1.08rem;
    font-weight: 700;
    letter-spacing: -0.015em;
    margin-bottom: 8px;
}

.card p { font-size: 0.93rem; color: var(--ink-dim); }

/* ---------- Panels: Infrastruktur ---------- */

.panel-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.panel {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 24px 24px 20px;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.panel:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-soft);
}

.panel-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--steel);
    margin-bottom: 14px;
}

.panel h3 {
    font-size: 1.02rem;
    font-weight: 700;
    letter-spacing: -0.015em;
    margin-bottom: 8px;
}

.panel p { font-size: 0.9rem; color: var(--ink-dim); flex: 1; }

.panel-status {
    margin-top: 18px;
    padding-top: 14px;
    border-top: 1px dashed var(--line);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    color: var(--ok);
}

/* ---------- Steps: Ablauf ---------- */

.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    counter-reset: step;
}

.step {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 26px 24px;
    box-shadow: var(--shadow-sm);
}

.step::before {
    counter-increment: step;
    content: '0' counter(step);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--accent);
    color: #fff;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.step h3 {
    font-size: 1.02rem;
    font-weight: 700;
    letter-spacing: -0.015em;
    margin-bottom: 8px;
}

.step p { font-size: 0.9rem; color: var(--ink-dim); }

/* ---------- Konfigurator ---------- */

.configurator {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 24px;
    align-items: stretch;
}

.config-panel {
    background: var(--bg-card);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 30px 30px 26px;
}

.config-controls { display: flex; flex-direction: column; gap: 26px; }

.field label.field-label {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.field .field-value {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent);
    font-weight: 700;
}

input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 999px;
    background: linear-gradient(to right, var(--accent) 0%, var(--accent) var(--fill, 50%), var(--line) var(--fill, 50%), var(--line) 100%);
    outline: none;
    cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #fff;
    border: 2px solid var(--accent);
    box-shadow: 0 1px 4px rgba(15, 23, 42, 0.18);
    cursor: grab;
}

input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #fff;
    border: 2px solid var(--accent);
    box-shadow: 0 1px 4px rgba(15, 23, 42, 0.18);
    cursor: grab;
}

.chips { display: flex; flex-wrap: wrap; gap: 10px; }

.chip { position: relative; }

.chip input {
    position: absolute;
    opacity: 0;
    inset: 0;
    cursor: pointer;
}

.chip span {
    display: inline-flex;
    align-items: center;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--ink-dim);
    background: var(--bg-soft);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 8px 16px;
    cursor: pointer;
    transition: all 0.15s ease;
    user-select: none;
}

.chip input:checked + span {
    color: var(--accent-strong);
    background: var(--accent-faint);
    border-color: var(--accent);
    font-weight: 700;
}

.chip input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }

.checks { display: flex; flex-direction: column; gap: 10px; }

.check {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-soft);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 12px 16px;
    cursor: pointer;
    transition: border-color 0.15s ease, background 0.15s ease;
    font-size: 0.9rem;
}

.check:hover { border-color: var(--accent-soft); }

.check input {
    appearance: none;
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    flex: none;
    border: 2px solid var(--steel);
    border-radius: 5px;
    background: #fff;
    cursor: pointer;
    display: grid;
    place-content: center;
    transition: all 0.15s ease;
}

.check input:checked {
    background: var(--accent);
    border-color: var(--accent);
}

.check input:checked::after {
    content: '';
    width: 10px;
    height: 6px;
    border-left: 2px solid #fff;
    border-bottom: 2px solid #fff;
    transform: rotate(-45deg) translate(1px, -1px);
}

.check strong { font-weight: 600; }

.check .check-hint { color: var(--ink-faint); font-size: 0.82rem; }

/* Spec-Output */

.spec {
    display: flex;
    flex-direction: column;
}

.spec-panel {
    flex: 1;
    background: var(--ink);
    border-radius: var(--radius-lg);
    padding: 30px 30px 24px;
    color: #E2E8F0;
    font-family: var(--font-mono);
    box-shadow: var(--shadow-md);
}

.spec-title {
    font-size: 0.78rem;
    letter-spacing: 0.14em;
    color: #93C5FD;
    margin-bottom: 4px;
}

.spec-rule {
    height: 1px;
    background: rgba(148, 163, 184, 0.3);
    margin: 14px 0;
}

.spec-rows { display: flex; flex-direction: column; gap: 9px; }

.spec-row {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    font-size: 0.85rem;
}

.spec-row .spec-key { color: #94A3B8; flex: none; }

.spec-row .spec-val { color: #F1F5F9; font-weight: 600; text-align: right; }

.spec-note {
    margin-top: 16px;
    font-size: 0.78rem;
    color: #94A3B8;
    line-height: 1.55;
}

.spec-note .hl { color: #93C5FD; font-weight: 600; }

.config-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 20px;
}

.config-fineprint {
    margin-top: 18px;
    font-size: 0.78rem;
    color: var(--ink-faint);
    line-height: 1.55;
}

/* ---------- Compliance ---------- */

.compliance-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.compliance-item {
    display: flex;
    gap: 18px;
    background: var(--bg-card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 26px 26px;
    box-shadow: var(--shadow-sm);
}

.compliance-item .compliance-icon {
    flex: none;
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: var(--ok-soft);
    border: 1px solid #BBF7D0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.compliance-item .compliance-icon svg { width: 20px; height: 20px; stroke: var(--ok); }

.compliance-item h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 6px;
    letter-spacing: -0.015em;
}

.compliance-item p { font-size: 0.9rem; color: var(--ink-dim); }

.compliance-footnote {
    margin-top: 28px;
    font-size: 0.88rem;
    color: var(--ink-dim);
    text-align: center;
}

/* ---------- CTA-Band ---------- */

.cta-band {
    background:
        radial-gradient(ellipse 50% 80% at 85% 20%, rgba(37, 99, 235, 0.35), transparent 70%),
        var(--ink);
    color: #fff;
    padding: 72px 0;
}

.cta-band .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
}

.cta-band h2 {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 10px;
}

.cta-band p { color: #94A3B8; max-width: 30rem; }

.cta-band .btn-primary { box-shadow: 0 10px 30px rgba(37, 99, 235, 0.4); }

.cta-band .btn-ghost {
    background: transparent;
    border-color: rgba(148, 163, 184, 0.4);
    color: #E2E8F0;
}

.cta-band .btn-ghost:hover { border-color: #fff; color: #fff; }

.cta-actions { display: flex; flex-wrap: wrap; gap: 14px; }

/* ---------- Footer ---------- */

.site-footer {
    background: var(--bg-card);
    border-top: 1px solid var(--line);
    padding: 56px 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand p {
    margin-top: 14px;
    font-size: 0.88rem;
    color: var(--ink-dim);
    max-width: 20rem;
}

.footer-brand .footer-parent {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 14px;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--steel);
}

.footer-brand .footer-parent a { color: var(--accent); }

.footer-col h4 {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--ink-faint);
    margin-bottom: 16px;
}

.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }

.footer-col a {
    color: var(--ink-dim);
    font-size: 0.92rem;
}

.footer-col a:hover { color: var(--accent); }

.footer-col .mono { font-size: 0.85rem; }

.footer-bottom {
    border-top: 1px solid var(--line);
    padding-top: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 0.82rem;
    color: var(--ink-faint);
}

.footer-bottom .mono { font-size: 0.76rem; }

/* ---------- Legal Pages ---------- */

.legal-page {
    padding: 64px 0 80px;
    min-height: calc(100vh - var(--header-h));
}

.legal-wrap {
    max-width: 760px;
    background: var(--bg-card);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 48px 52px;
}

.legal-wrap h1 {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 8px;
}

.legal-wrap .legal-intro {
    color: var(--ink-dim);
    margin-bottom: 36px;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--line);
}

.legal-section { margin-bottom: 34px; }

.legal-section:last-child { margin-bottom: 0; }

.legal-section h2 {
    font-size: 1.12rem;
    font-weight: 700;
    letter-spacing: -0.015em;
    margin-bottom: 12px;
}

.legal-section h2 .num {
    font-family: var(--font-mono);
    color: var(--accent);
    margin-right: 8px;
}

.legal-section p {
    font-size: 0.94rem;
    color: var(--ink-dim);
    margin-bottom: 10px;
}

.legal-section p:last-child { margin-bottom: 0; }

.legal-section ul {
    margin: 10px 0 10px 20px;
    color: var(--ink-dim);
    font-size: 0.94rem;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.legal-section strong { color: var(--ink); }

.legal-section a { color: var(--accent); }

.legal-basis {
    font-size: 0.82rem !important;
    color: var(--ink-faint) !important;
    margin-top: 10px !important;
}

.legal-contact {
    background: var(--accent-faint);
    border: 1px solid var(--accent-soft);
    border-radius: var(--radius);
    padding: 20px 24px;
    margin-top: 12px;
}

.legal-contact p { font-size: 0.92rem; }

/* ---------- Responsive ---------- */

@media (max-width: 960px) {
    .hero-grid { grid-template-columns: 1fr; gap: 40px; }
    .card-grid, .panel-grid { grid-template-columns: repeat(2, 1fr); }
    .steps { grid-template-columns: repeat(2, 1fr); }
    .configurator { grid-template-columns: 1fr; }
    .compliance-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .section { padding: 68px 0; }
    #hero { padding: 64px 0 72px; }
}

@media (max-width: 640px) {
    .card-grid, .panel-grid, .steps { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .legal-wrap { padding: 32px 26px; }
    .nav-links {
        display: none;
        position: absolute;
        top: var(--header-h);
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        background: var(--bg-card);
        border-bottom: 1px solid var(--line);
        box-shadow: var(--shadow-md);
        padding: 8px 0;
    }
    .site-header.nav-open .nav-links { display: flex; }
    .site-header.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .site-header.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
    .site-header.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
    .nav-links li { width: 100%; }
    .nav-links a {
        display: block;
        padding: 12px 24px;
        font-size: 1rem;
    }
    .nav-toggle { display: inline-flex; }
    .nav .btn { display: none; }
    .cta-band .container { flex-direction: column; align-items: flex-start; }
    .hero-actions .btn { width: 100%; }
}

/* ---------- Reduced Motion ---------- */

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .log-line { animation: none; }
    .log-line .cursor { animation: none; }
    .card, .panel, .btn { transition: none; }
}