/* ==========================================================================
   hardwareaberfair – Landing Page
   Design System / Styles
   ========================================================================== */

/* --------------------------------------------------------------------------
   0. Fonts (self-hosted Inter)
   -------------------------------------------------------------------------- */
@font-face {
    font-family: "Inter";
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url("/fonts/inter-400.woff2") format("woff2");
}

@font-face {
    font-family: "Inter";
    font-style: normal;
    font-weight: 500;
    font-display: swap;
    src: url("/fonts/inter-500.woff2") format("woff2");
}

@font-face {
    font-family: "Inter";
    font-style: normal;
    font-weight: 600;
    font-display: swap;
    src: url("/fonts/inter-600.woff2") format("woff2");
}

@font-face {
    font-family: "Inter";
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: url("/fonts/inter-700.woff2") format("woff2");
}

/* --------------------------------------------------------------------------
   1. Design Tokens
   -------------------------------------------------------------------------- */
:root {
    --bg: #0D0F11;
    --bg-elevated: #111315;
    --bg-surface: #151719;
    --surface: #171A1D;
    --surface-2: #1B1E21;
    --surface-3: #202327;

    --text: #F1F2F3;
    --text-secondary: #A4A8AD;
    --text-muted: #6E7378;

    --border: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.14);

    --accent: #5B8DEF;
    --accent-hover: #6D9AFF;
    --accent-dim: rgba(91, 141, 239, 0.14);

    --green: #3FB27F;
    --green-dim: rgba(63, 178, 127, 0.16);
    --amber: #D9A53F;

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

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

    --container: 1240px;
    --gutter: 32px;

    --header-h: 80px;
    --anchor-gap: 32px;
    --section-edge-gap: clamp(48px, 5vw, 64px);
    --section-content-gap: clamp(36px, 4vw, 52px);

    --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* --------------------------------------------------------------------------
   2. Reset & Base
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-h) + var(--anchor-gap));
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

ul,
ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    background: none;
    border: none;
    color: inherit;
}

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: 2px;
}

::selection {
    background: var(--accent-dim);
    color: var(--text);
}

/* --------------------------------------------------------------------------
   3. Typography Helpers
   -------------------------------------------------------------------------- */
.mono {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.eyebrow {
    margin-bottom: 20px;
}

.section-title {
    font-size: clamp(1.75rem, 3.4vw, 2.75rem);
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.12;
    max-width: 22ch;
}

.section-lede {
    color: var(--text-secondary);
    font-size: clamp(1.02rem, 1.4vw, 1.18rem);
    line-height: 1.65;
    max-width: 62ch;
    margin-top: 20px;
}

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

.section {
    padding: var(--section-edge-gap) 0;
    border-top: 1px solid var(--border);
    scroll-margin-top: calc(-1 * var(--section-edge-gap));
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    background: var(--accent);
    color: #0D0F11;
    font-weight: 600;
    padding: 10px 16px;
    border-radius: 0 0 var(--radius-sm) 0;
    z-index: 1000;
}

.skip-link:focus {
    left: 0;
}

/* --------------------------------------------------------------------------
   5. Buttons
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 12px 22px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    transition: background 0.2s var(--ease), border-color 0.2s var(--ease),
        color 0.2s var(--ease), transform 0.2s var(--ease);
    white-space: nowrap;
}

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

.btn-primary {
    background: var(--accent);
    color: #0D0F11;
}

.btn-primary:hover {
    background: var(--accent-hover);
}

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

.btn-secondary:hover {
    border-color: rgba(255, 255, 255, 0.28);
    background: var(--surface);
}

.btn-sm {
    padding: 9px 16px;
    font-size: 0.88rem;
}

/* --------------------------------------------------------------------------
   6. Header / Navigation
   -------------------------------------------------------------------------- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: var(--header-h);
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    transition: background 0.3s var(--ease), border-color 0.3s var(--ease);
}

.site-header.is-scrolled {
    background: var(--bg);
    border-bottom: 1px solid var(--border-strong);
}

.header-inner {
    height: var(--header-h);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
}

.brand-logo {
    height: auto;
    width: 200px;
}

.main-nav {
    display: flex;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-link {
    display: inline-block;
    padding: 8px 14px;
    font-size: 0.92rem;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: color 0.2s var(--ease), background 0.2s var(--ease);
}

.nav-link:hover {
    color: var(--text);
    background: var(--surface);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 42px;
    height: 42px;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
}

.menu-toggle-bar {
    display: block;
    width: 100%;
    height: 1.6px;
    background: var(--text);
    transition: transform 0.25s var(--ease), opacity 0.2s var(--ease);
}

.menu-toggle[aria-expanded="true"] .menu-toggle-bar:nth-child(1) {
    transform: translateY(6.6px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle-bar:nth-child(2) {
    opacity: 0;
}

.menu-toggle[aria-expanded="true"] .menu-toggle-bar:nth-child(3) {
    transform: translateY(-6.6px) rotate(-45deg);
}

.mobile-menu {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: rgba(13, 15, 17, 0.98);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    padding: 16px var(--gutter) 28px;
}

.mobile-nav-list {
    display: flex;
    flex-direction: column;
}

.mobile-nav-link {
    display: block;
    padding: 14px 4px;
    font-size: 1.15rem;
    color: var(--text);
    border-bottom: 1px solid var(--border);
}

.mobile-menu-cta {
    width: 100%;
    margin-top: 20px;
}

/* --------------------------------------------------------------------------
   7. Hero
   -------------------------------------------------------------------------- */
.hero {
    position: relative;
    min-height: clamp(700px, 78vh, 820px);
    display: flex;
    align-items: center;
    padding: calc(var(--header-h) + clamp(48px, 7vw, 88px)) 0 clamp(72px, 9vw, 120px);
    overflow: hidden;
    border-bottom: 1px solid var(--border);
    background-color: var(--bg);
    background-image: url("../img/ban3.jpg");
    background-image: image-set(
        url("../img/ban3.webp") type("image/webp") 1x,
        url("../img/ban3.jpg") type("image/jpeg") 1x
    );
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center center;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(ellipse 72% 62% at 50% 52%, rgba(13, 15, 17, 0.5) 0%, rgba(13, 15, 17, 0.22) 55%, rgba(13, 15, 17, 0) 100%);
}

.hero-grid-bg {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 56px 56px;
    -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 20%, #000 30%, transparent 75%);
    mask-image: radial-gradient(ellipse 90% 70% at 50% 20%, #000 30%, transparent 75%);
    opacity: 0.3;
    pointer-events: none;
}

.hero-inner {
    position: relative;
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
}

.hero-copy {
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
}

.hero-eyebrow {
    font-size: 0.78rem;
    letter-spacing: 0.14em;
    color: var(--text-secondary);
}

.hero-logo {
    display: block;
    width: clamp(260px, 32vw, 380px);
    height: auto;
    margin: 0 auto 36px;
}

.hero-title {
    font-size: clamp(2.25rem, 5.2vw, 3.8rem);
    font-weight: 600;
    letter-spacing: -0.03em;
    line-height: 1.04;
    margin-top: 8px;
}

.hero-lede {
    font-size: clamp(1.2rem, 1.9vw, 1.5rem);
    font-weight: 500;
    color: var(--text);
    letter-spacing: -0.01em;
    line-height: 1.35;
    margin-top: 26px;
    max-width: 24ch;
    margin-left: auto;
    margin-right: auto;
}

.hero-sub {
    color: var(--text-secondary);
    font-size: 1.02rem;
    line-height: 1.65;
    margin-top: 18px;
    max-width: 56ch;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px;
    margin-top: 34px;
}

/* --- Status dots (shared with terminal) --- */
.dot {
    display: inline-block;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    flex-shrink: 0;
}

.dot-green {
    background: var(--green);
    box-shadow: 0 0 0 3px var(--green-dim);
}

/* --------------------------------------------------------------------------
   8. Intro / Pillars
   -------------------------------------------------------------------------- */
.intro {
    border-top: none;
}

.intro-grid {
    display: grid;
    grid-template-columns: minmax(0, 11fr) minmax(0, 9fr);
    align-items: center;
    gap: clamp(36px, 6vw, 88px);
}

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

.intro-media img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: contain;
}

.pillar-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: var(--section-content-gap);
}

.pillar {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    padding: 16px 22px;
    border: 1px solid var(--border);
    background: var(--bg-elevated);
    border-radius: var(--radius-sm);
}

.pillar-index {
    color: var(--accent);
}

.pillar-name {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.14em;
    color: var(--text);
}

/* --------------------------------------------------------------------------
   9. Services / Bento
   -------------------------------------------------------------------------- */
.bento {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin-top: var(--section-content-gap);
}

.service-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
    gap: clamp(40px, 5vw, 72px);
}

.software-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    grid-template-areas:
        "media content"
        "media cards";
    align-items: center;
    gap: clamp(40px, 5vw, 72px);
}

.software-media {
    grid-area: media;
}

.software-content {
    grid-area: content;
    align-self: end;
}

.software-cards {
    grid-area: cards;
    align-self: start;
}

.software-cards .bento {
    grid-template-columns: 1fr;
    margin-top: 0;
}

.service-content .bento {
    grid-template-columns: 1fr;
}

.bento-card {
    position: relative;
    padding: 30px 30px 34px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    transition: border-color 0.25s var(--ease), background 0.25s var(--ease),
        transform 0.25s var(--ease);
}

.bento-card:hover {
    border-color: var(--border-strong);
    background: var(--bg-surface);
}

.hardware-media,
.infrastructure-media,
.about-media,
.software-media {
    display: flex;
    align-items: center;
    justify-content: center;
}

.hardware-media img,
.infrastructure-media img,
.about-media img,
.software-media img {
    width: 100%;
    height: auto;
    object-fit: contain;
    display: block;
}

.bento-head {
    display: flex;
    align-items: baseline;
    gap: 16px;
    margin-bottom: 14px;
}

.bento-num {
    color: var(--accent);
    flex-shrink: 0;
}

.bento-title {
    font-size: 1.35rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.bento-desc {
    color: var(--text-secondary);
    max-width: 56ch;
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 20px;
}

.tag-list li {
    font-size: 0.82rem;
    color: var(--text-secondary);
    padding: 6px 12px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--surface);
}

.tech-stack {
    margin-top: 24px;
    padding-top: 18px;
    border-top: 1px solid var(--border);
    font-size: 0.7rem;
    color: var(--text-muted);
    letter-spacing: 0.08em;
}

/* --------------------------------------------------------------------------
   10. Integrated System
   -------------------------------------------------------------------------- */
.system-grid {
    display: grid;
    grid-template-columns: minmax(0, 13fr) minmax(0, 11fr);
    gap: clamp(40px, 6vw, 80px);
    align-items: center;
}

.system-quote {
    margin-top: 28px;
    padding-left: 18px;
    border-left: 2px solid var(--accent);
    color: var(--text);
    font-size: 1.05rem;
    font-weight: 500;
}

.system-media {
    display: block;
    width: 100%;
}

.system-media img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: contain;
}

/* --------------------------------------------------------------------------
   11. Process
   -------------------------------------------------------------------------- */
.process-list {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0;
    margin-top: var(--section-content-gap);
    border-top: 1px solid var(--border);
    border-left: 1px solid var(--border);
}

.process-step {
    padding: 26px 22px 30px;
    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    transition: background 0.25s var(--ease);
}

.process-step:hover {
    background: var(--bg-elevated);
}

.process-num {
    color: var(--accent);
}

.process-name {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 14px 0 10px;
}

.process-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* --------------------------------------------------------------------------
   12. Engineering / Terminal
   -------------------------------------------------------------------------- */
.engineering {
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
}

.engineering-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: clamp(40px, 6vw, 80px);
    align-items: center;
}

.terminal {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 30px 70px -40px rgba(0, 0, 0, 0.9);
}

.terminal-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-surface);
}

.terminal-dots {
    display: flex;
    gap: 6px;
}

.terminal-dots i {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--surface-3);
}

.terminal-dots i:first-child {
    background: rgba(255, 255, 255, 0.16);
}

.terminal-title {
    color: var(--text-muted);
}

.terminal-body {
    padding: 22px 20px;
    display: flex;
    flex-direction: column;
    gap: 11px;
    font-size: 0.8rem;
    letter-spacing: 0.02em;
}

.t-line {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
}

.t-line .dot {
    width: 6px;
    height: 6px;
}

.t-meta {
    color: var(--text-muted);
}

.t-divider {
    height: 1px;
    background: var(--border);
    margin: 4px 0;
}

.principle-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-top: var(--section-content-gap);
}

.principle {
    padding-left: 18px;
    border-left: 1px solid var(--border-strong);
}

.principle-name {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.14em;
    color: var(--accent);
    margin-bottom: 6px;
}

.principle-text {
    color: var(--text-secondary);
    font-size: 0.96rem;
    max-width: 52ch;
}

/* --------------------------------------------------------------------------
   13. Individual Solutions
   -------------------------------------------------------------------------- */
.individual-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: clamp(40px, 6vw, 80px);
    align-items: start;
}

.individual-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    border-top: 1px solid var(--border);
    border-left: 1px solid var(--border);
}

.individual-list li {
    padding: 18px 20px;
    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 0.95rem;
    transition: color 0.2s var(--ease), background 0.2s var(--ease);
}

.individual-list li:hover {
    color: var(--text);
    background: var(--bg-elevated);
}

/* --------------------------------------------------------------------------
   14. Projects
   -------------------------------------------------------------------------- */
.project-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: var(--section-content-gap);
}

.project-card {
    display: flex;
    flex-direction: column;
    padding: 28px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.project-card:hover {
    border-color: var(--border-strong);
    background: var(--bg-surface);
}

.project-card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.project-id {
    color: var(--accent);
}

.system-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.project-title {
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.project-desc {
    color: var(--text-secondary);
    font-size: 0.94rem;
    margin-top: 10px;
    flex-grow: 1;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 22px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.project-tags li {
    font-size: 0.62rem;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    padding: 4px 8px;
    border: 1px solid var(--border);
    border-radius: 3px;
}

/* --------------------------------------------------------------------------
   15. CTA
   -------------------------------------------------------------------------- */
.cta-card {
    padding: clamp(44px, 7vw, 76px);
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    display: grid;
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: clamp(48px, 6vw, 88px);
    align-items: start;
}

.cta-copy {
    text-align: left;
}

.cta-card .section-title {
    max-width: 26ch;
    margin: 0;
}

.cta-lede {
    max-width: 52ch;
    margin-left: 0;
    margin-right: 0;
}

.cta-form {
    min-width: 0;
}

.cta-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px;
    margin-top: 36px;
}

/* --------------------------------------------------------------------------
   16. Footer
   -------------------------------------------------------------------------- */
.site-footer {
    border-top: 1px solid var(--border);
    padding: 56px 0 40px;
    background: var(--bg-elevated);
}

.footer-inner {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
}

.footer-tagline {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.footer-links {
    display: flex;
    gap: 28px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: color 0.2s var(--ease);
}

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

.footer-copy {
    color: var(--text-muted);
    font-size: 0.82rem;
    width: 100%;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    margin-top: 8px;
}

/* --------------------------------------------------------------------------
   17. Reveal Animations
   -------------------------------------------------------------------------- */
.js .reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

.js .reveal.is-visible {
    opacity: 1;
    transform: none;
}

/* --------------------------------------------------------------------------
   18. Responsive
   -------------------------------------------------------------------------- */
@media (min-width: 1025px) {
    .hero-inner {
        grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
        grid-template-areas:
            "copy logo"
            "copy actions";
        align-items: center;
        gap: 0 clamp(40px, 5vw, 72px);
    }

    .hero-copy {
        grid-area: copy;
        max-width: 560px;
        margin: 0;
        text-align: left;
    }

    .hero-logo {
        grid-area: logo;
        width: clamp(340px, 29vw, 470px);
        margin: -36px 0 0;
        justify-self: start;
    }

    .hero-actions {
        grid-area: actions;
        justify-content: flex-start;
        margin-top: 52px;
        margin-bottom: 36px;
    }

    .hero-lede {
        margin-left: 0;
        margin-right: 0;
    }

    .hero-sub {
        margin-left: 0;
        margin-right: 0;
    }

    .contact-form .btn {
        min-width: 180px;
    }
}

@media (max-width: 1024px) {
    :root {
        --gutter: 24px;
    }

    .hero {
        min-height: clamp(600px, 74vh, 720px);
    }

    .brand-logo {
        width: 140px;
    }

    .hero-logo {
        width: clamp(280px, 34vw, 340px);
        margin-bottom: 26px;
    }

    .system-grid {
        grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
        gap: 32px;
    }

    .engineering-grid,
    .individual-grid {
        grid-template-columns: 1fr;
    }

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

    .project-grid {
        grid-template-columns: 1fr 1fr;
    }

    .project-card:last-child {
        grid-column: 1 / -1;
    }

    .cta-card {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .cta-copy {
        text-align: center;
    }

    .cta-card .section-title {
        margin: 0 auto;
    }

    .cta-lede {
        margin-left: auto;
        margin-right: auto;
    }
}

@media (max-width: 820px) {
    .main-nav {
        display: none;
    }

    .header-actions .btn {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .process-list {
        grid-template-columns: 1fr 1fr;
    }

    .intro-grid {
        grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
        gap: 28px;
    }

    .software-grid {
        grid-template-columns: 1fr;
        grid-template-areas:
            "content"
            "media"
            "cards";
        gap: 40px;
    }

    .software-content {
        align-self: auto;
    }

    .software-cards {
        align-self: auto;
    }

    .software-media img {
        width: 100%;
        max-width: 560px;
        margin: 0 auto;
    }
}

@media (max-width: 620px) {
    :root {
        --gutter: 20px;
    }

    .hero {
        min-height: 0;
        padding: calc(var(--header-h) + 44px) 0 56px;
        background-position: center center;
    }

    .brand-logo {
        width: 120px;
    }

    .hero-logo {
        width: clamp(225px, 58vw, 250px);
        margin-bottom: 22px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .bento {
        grid-template-columns: 1fr;
    }

    .process-list {
        grid-template-columns: 1fr;
    }

    .intro-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .system-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .service-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .project-grid {
        grid-template-columns: 1fr;
    }

    .project-card:last-child {
        grid-column: auto;
    }

    .individual-list {
        grid-template-columns: 1fr;
    }

    .cta-actions {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
    }

    .cta-actions .btn {
        width: 100%;
    }
}

/* --------------------------------------------------------------------------
   19. Legal Page (Impressum)
   -------------------------------------------------------------------------- */
.legal-page {
    padding: calc(var(--header-h) + clamp(64px, 10vw, 120px)) 0 clamp(72px, 10vw, 140px);
}

.legal-container {
    width: 100%;
    max-width: 880px;
    margin: 0 auto;
    padding: 0 var(--gutter);
}

.legal-title {
    font-size: clamp(2.1rem, 5vw, 3.25rem);
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin-top: 8px;
}

.legal-note {
    color: var(--text-secondary);
    font-size: 1.02rem;
    margin-top: 18px;
}

.legal-block {
    padding: clamp(28px, 4vw, 40px) 0;
    border-top: 1px solid var(--border);
}

.legal-block:last-child {
    border-bottom: 1px solid var(--border);
}

.legal-label {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 20px;
    font-weight: 500;
}

.legal-name {
    font-size: 1.3rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--text);
}

.legal-person {
    color: var(--text-secondary);
    margin-top: 4px;
}

.legal-address {
    margin-top: 18px;
    color: var(--text-secondary);
    line-height: 1.7;
    font-style: normal;
}

.legal-contact-list {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 14px 28px;
    max-width: 560px;
    margin: 0;
}

.legal-contact-list dt {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
    padding-top: 3px;
}

.legal-contact-list dd {
    color: var(--text);
    word-break: break-word;
    overflow-wrap: anywhere;
}

.legal-contact-list a {
    color: var(--text);
    transition: color 0.2s var(--ease);
}

.legal-contact-list a:hover {
    color: var(--accent-hover);
}

@media (max-width: 620px) {
    .legal-contact-list {
        grid-template-columns: 1fr;
        gap: 2px 0;
    }

    .legal-contact-list dd {
        margin-bottom: 18px;
    }

    .legal-contact-list dd:last-child {
        margin-bottom: 0;
    }
}

/* --------------------------------------------------------------------------
   20. Contact Form
   -------------------------------------------------------------------------- */
.contact-form {
    width: 100%;
    margin: 0;
    text-align: left;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

.form-field {
    margin-bottom: 18px;
}

.form-field label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.form-required {
    color: var(--accent);
}

.form-optional {
    color: var(--text-muted);
    font-weight: 400;
}

.form-field input,
.form-field textarea {
    width: 100%;
    background: var(--surface);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    line-height: 1.5;
    padding: 12px 14px;
    transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.form-field input::placeholder,
.form-field textarea::placeholder {
    color: var(--text-muted);
}

.form-field input:focus,
.form-field textarea:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--surface-2);
}

.form-field textarea {
    resize: vertical;
    min-height: 140px;
}

.form-consent {
    margin-top: 4px;
}

.form-field .checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    margin-bottom: 0;
}

.form-field .checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    flex: 0 0 auto;
    margin: 0;
    accent-color: var(--accent);
    cursor: pointer;
}

.form-field .checkbox-label span {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.35;
}

.turnstile {
    min-height: 65px;
}

.contact-submit-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-top: 20px;
}

.contact-submit-row .turnstile {
    flex: 0 0 auto;
}

.contact-submit-row .btn {
    flex: 0 0 auto;
    margin-top: 0;
}

.form-status {
    font-size: 0.9rem;
    margin: 14px 0 0;
    padding: 12px 14px;
    border-radius: var(--radius);
    border: 1px solid transparent;
}

.form-status.is-success {
    color: var(--green);
    background: var(--green-dim);
    border-color: rgba(63, 178, 127, 0.3);
}

.form-status.is-error {
    color: var(--amber);
    background: rgba(217, 165, 63, 0.12);
    border-color: rgba(217, 165, 63, 0.3);
}

.contact-form .btn[disabled] {
    opacity: 0.55;
    cursor: not-allowed;
}

/* Honeypot: keep it out of sight but still focusable-free. */
.hp-field {
    position: absolute;
    left: -9999px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

@media (max-width: 620px) {
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .contact-submit-row {
        flex-direction: column;
        align-items: stretch;
        gap: 16px;
    }

    .contact-submit-row .btn {
        width: 100%;
    }
}

/* --------------------------------------------------------------------------
   21. Datenschutz-Modal
   -------------------------------------------------------------------------- */
.privacy-link {
    color: var(--text-secondary);
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color 0.2s var(--ease);
}

.privacy-link:hover,
.privacy-link:focus-visible {
    color: var(--accent-hover);
}

.privacy-modal {
    width: min(920px, calc(100vw - 48px));
    max-width: 920px;
    max-height: 85vh;
    margin: auto;
    padding: 0;
    background: var(--bg-elevated);
    color: var(--text);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-lg);
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

.privacy-modal::backdrop {
    background: rgba(0, 0, 0, 0.68);
}

body.modal-open {
    overflow: hidden;
}

.privacy-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-elevated);
}

.privacy-modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    line-height: 1.2;
    margin: 0;
}

.privacy-modal-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    flex: 0 0 auto;
    font-size: 1.6rem;
    line-height: 1;
    color: var(--text-secondary);
    border-radius: var(--radius);
    transition: color 0.2s var(--ease), background 0.2s var(--ease);
}

.privacy-modal-close:hover {
    color: var(--text);
    background: var(--surface-2);
}

.privacy-modal-body {
    max-height: calc(85vh - 81px);
    overflow-y: auto;
    padding: 24px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--border-strong) transparent;
}

.privacy-modal-body::-webkit-scrollbar {
    width: 10px;
}

.privacy-modal-body::-webkit-scrollbar-track {
    background: transparent;
}

.privacy-modal-body::-webkit-scrollbar-thumb {
    background: var(--border-strong);
    border-radius: 999px;
    border: 2px solid transparent;
    background-clip: padding-box;
}

.privacy-modal-body::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
    background-clip: padding-box;
}

.privacy-modal-loading {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin: 0;
}

.privacy-modal-error {
    color: var(--amber);
    font-size: 0.95rem;
    margin: 0 0 16px;
}

.privacy-modal-error-link {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.privacy-modal-error-link:hover,
.privacy-modal-error-link:focus-visible {
    color: var(--accent-hover);
}

/* Inhalt aus /datenschutz: lesbare Darstellung im Modal */
.privacy-modal-body .legal-container {
    max-width: none;
    padding: 0;
}

.privacy-modal-body .legal-title {
    font-size: clamp(1.6rem, 4vw, 2.25rem);
}

.privacy-modal-body .legal-text {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-top: 14px;
}

.privacy-modal-body .legal-text:first-child {
    margin-top: 0;
}

.privacy-modal-body .legal-list {
    list-style: disc;
    padding-left: 20px;
    margin-top: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.privacy-modal-body .legal-list li {
    margin-bottom: 6px;
}

.privacy-modal-body .legal-list li:last-child {
    margin-bottom: 0;
}

.privacy-modal-body .legal-text a,
.privacy-modal-body .legal-list a {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.privacy-modal-body .legal-text a:hover,
.privacy-modal-body .legal-list a:hover {
    color: var(--accent-hover);
}

@media (max-width: 620px) {
    .privacy-modal {
        width: calc(100vw - 24px);
        max-width: none;
        max-height: calc(100dvh - 24px);
    }

    .privacy-modal-body {
        max-height: calc(100dvh - 24px - 81px);
        padding: 20px;
    }
}

/* --------------------------------------------------------------------------
   22. Reduced Motion
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }

    .js .reveal {
        opacity: 1;
        transform: none;
    }
}