/* =========================================================
   NFZ-SÜD Montage & Service – Stylesheet
   Farben: Schwarz/Antrazit, Grün, Rot
   ========================================================= */

:root {
  --bg: #101010;
  --bg-alt: #171717;
  --card: #202020;
  --card-2: #1c1c1c;
  --border: #2c2c2c;
  --border-strong: #3a3a3a;
  --green: #70c900;
  --green-dark: #5aa500;
  --red: #e53935;
  --text: #ffffff;
  --muted: #bdbdbd;
  --muted-2: #9a9a9a;

  --radius: 10px;
  --radius-sm: 6px;
  --container: 1200px;
  --header-h: 76px;

  --shadow: 0 18px 40px rgba(0, 0, 0, 0.45);

  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, "Noto Sans", sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 10px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  background-color: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--green);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #8fe02a;
}

h1,
h2,
h3,
h4 {
  margin: 0 0 0.5em;
  line-height: 1.18;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
}
h2 {
  font-size: clamp(1.6rem, 3.6vw, 2.5rem);
}
h3 {
  font-size: clamp(1.15rem, 2vw, 1.35rem);
}

p {
  margin: 0 0 1rem;
  color: var(--muted);
}

:focus-visible {
  outline: 3px solid var(--green);
  outline-offset: 2px;
  border-radius: 3px;
}

::selection {
  background: var(--green);
  color: #0b0b0b;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--green);
  color: #0b0b0b;
  padding: 12px 18px;
  font-weight: 600;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus {
  left: 0;
}

/* ---------- Layout helpers ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 22px;
}

.section {
  padding: clamp(56px, 9vw, 110px) 0;
  position: relative;
}

.section--alt {
  background: var(--bg-alt);
}

.section-head {
  max-width: 720px;
  margin-bottom: clamp(32px, 5vw, 56px);
}

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

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--green);
  margin-bottom: 14px;
}

.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--green);
}

.lead {
  font-size: 1.06rem;
  color: var(--muted);
}

.divider-red {
  width: 54px;
  height: 3px;
  background: var(--red);
  border: 0;
  margin: 18px 0 0;
}

.section-head--center .divider-red {
  margin-inline: auto;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-family: inherit;
  font-size: 0.98rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease,
    transform 0.15s ease;
  text-align: center;
  line-height: 1.2;
}

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

.btn--primary {
  background: var(--green);
  color: #0b0b0b;
}
.btn--primary:hover {
  background: #82dd17;
  color: #0b0b0b;
}

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

.btn--small {
  min-height: 42px;
  padding: 9px 18px;
  font-size: 0.9rem;
}

.btn--block {
  width: 100%;
}

.btn[disabled],
.btn.is-loading {
  opacity: 0.7;
  cursor: progress;
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(16, 16, 16, 0.86);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.site-header.is-scrolled {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
}

.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  flex-shrink: 0;
}
.brand:hover {
  color: var(--text);
}

.brand__logo {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  object-fit: cover;
  background: #fff;
  flex-shrink: 0;
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.brand__name {
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: 0.02em;
}
.brand__sub {
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

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

.nav__link {
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  position: relative;
  transition: color 0.2s ease, background-color 0.2s ease;
}
.nav__link:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}
.nav__link.is-active {
  color: var(--text);
}
.nav__link.is-active::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 4px;
  height: 2px;
  background: var(--green);
  border-radius: 2px;
}

.header-cta {
  display: inline-flex;
}

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid var(--border-strong);
  background: transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  padding: 0;
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
  transition: transform 0.25s ease, opacity 0.2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(48px, 8vw, 96px) 0 clamp(56px, 8vw, 104px);
  background:
    radial-gradient(900px 500px at 85% -10%, rgba(112, 201, 0, 0.12), transparent 60%),
    radial-gradient(700px 400px at 0% 110%, rgba(229, 57, 53, 0.08), transparent 60%),
    var(--bg);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(70% 70% at 50% 30%, #000 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(70% 70% at 50% 30%, #000 40%, transparent 100%);
  pointer-events: none;
}

.hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}

.hero__title {
  margin-bottom: 20px;
}
.hero__title .accent {
  color: var(--green);
}
.hero__text {
  font-size: 1.1rem;
  max-width: 560px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.hero__phone {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 26px;
  font-weight: 600;
  color: var(--text);
  font-size: 1.02rem;
}
.hero__phone svg {
  color: var(--green);
  flex-shrink: 0;
}
.hero__phone:hover {
  color: var(--green);
}

.hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 0.9rem;
  color: var(--muted);
}
.hero__badge svg {
  color: var(--green);
}

/* Hero media: 2x2 collage */
.hero__media {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.hero__tile {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  aspect-ratio: 5 / 4;
  background: var(--card);
  box-shadow: var(--shadow);
}
.hero__tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.hero__tile:hover img {
  transform: scale(1.05);
}
.hero__tile span {
  position: absolute;
  left: 0;
  bottom: 0;
  right: 0;
  padding: 22px 12px 9px;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fff;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.82), transparent);
}
.hero__tile::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 34px;
  height: 3px;
  background: var(--green);
}
.hero__tile:nth-child(2)::after,
.hero__tile:nth-child(3)::after {
  background: var(--red);
}

/* ---------- About ---------- */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(30px, 5vw, 64px);
  align-items: start;
}

.values {
  display: grid;
  gap: 16px;
}

.value {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.value:hover {
  border-color: var(--green);
  transform: translateY(-2px);
}
.value__icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  background: rgba(112, 201, 0, 0.1);
  color: var(--green);
}
.value h3 {
  margin: 0 0 4px;
  font-size: 1.06rem;
}
.value p {
  margin: 0;
  font-size: 0.94rem;
}

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

.service {
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 24px;
  transition: border-color 0.2s ease, transform 0.2s ease;
  position: relative;
  overflow: hidden;
}
.service::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--green);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.25s ease;
}
.service:hover {
  border-color: var(--border-strong);
  transform: translateY(-3px);
}
.service:hover::before {
  transform: scaleY(1);
}

.service__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  background: rgba(112, 201, 0, 0.1);
  color: var(--green);
  margin-bottom: 18px;
}

.service h3 {
  margin-bottom: 10px;
}
.service p {
  font-size: 0.94rem;
  margin-bottom: 16px;
}

.service__list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 8px;
}
.service__list li {
  position: relative;
  padding-left: 22px;
  font-size: 0.92rem;
  color: var(--muted);
}
.service__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  background: var(--green);
  border-radius: 2px;
  transform: rotate(45deg);
}

.service .btn {
  margin-top: auto;
}

.service__note {
  font-size: 0.82rem;
  color: var(--muted-2);
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

/* ---------- Portfolio ---------- */
.portfolio__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
}

.filter-btn {
  background: transparent;
  border: 1px solid var(--border-strong);
  color: var(--muted);
  padding: 9px 18px;
  border-radius: 999px;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}
.filter-btn:hover {
  color: var(--text);
  border-color: var(--green);
}
.filter-btn.is-active {
  background: var(--green);
  border-color: var(--green);
  color: #0b0b0b;
  font-weight: 600;
}

.portfolio__list {
  display: grid;
  gap: 28px;
}

.project {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 0;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.project:nth-child(even) .project__media {
  order: 2;
}

.project__media {
  position: relative;
  cursor: zoom-in;
  overflow: hidden;
  background: var(--card-2);
  min-height: 280px;
}
.project__media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.project:hover .project__media img {
  transform: scale(1.04);
}
.project__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.18);
  opacity: 0;
  transition: opacity 0.2s ease;
}
.project:hover .project__media::after {
  opacity: 1;
}
.project__zoom {
  position: absolute;
  right: 12px;
  bottom: 12px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(16, 16, 16, 0.85);
  border: 1px solid var(--border-strong);
  color: var(--green);
  display: grid;
  place-items: center;
  z-index: 2;
}

.project__body {
  padding: 30px 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.project__tag {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green);
  border: 1px solid rgba(112, 201, 0, 0.35);
  background: rgba(112, 201, 0, 0.07);
  padding: 5px 11px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.project__tag::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
}

.project__title {
  font-size: 1.28rem;
  margin-bottom: 10px;
}
.project__desc {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--muted);
  margin: 0;
}

.portfolio__empty {
  text-align: center;
  padding: 50px 20px;
  color: var(--muted);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
}

.portfolio__hint {
  margin-top: 26px;
  font-size: 0.85rem;
  color: var(--muted-2);
  text-align: center;
}

/* ---------- Process ---------- */
.process__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  counter-reset: step;
}
.step {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 24px;
  position: relative;
}
.step__num {
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: var(--green);
  margin-bottom: 14px;
  display: block;
}
.step h3 {
  font-size: 1.08rem;
  margin-bottom: 8px;
}
.step p {
  font-size: 0.92rem;
  margin: 0;
}
.step::after {
  content: "";
  position: absolute;
  top: 30px;
  right: -11px;
  width: 22px;
  height: 2px;
  background: var(--border-strong);
}
.step:last-child::after {
  display: none;
}

/* ---------- Contact ---------- */
.contact__grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}

.contact-info {
  display: grid;
  gap: 14px;
}
.contact-card {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  color: var(--text);
  transition: border-color 0.2s ease;
}
a.contact-card:hover {
  border-color: var(--green);
}
.contact-card__icon {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  background: rgba(112, 201, 0, 0.1);
  color: var(--green);
}
.contact-card__label {
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted-2);
  display: block;
  margin-bottom: 2px;
}
.contact-card__value {
  font-weight: 600;
  color: var(--text);
  word-break: break-word;
}
.contact-card address {
  font-style: normal;
  color: var(--text);
  font-weight: 600;
}

/* Form */
.form {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: clamp(22px, 3vw, 34px);
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.field {
  margin-bottom: 16px;
  display: flex;
  flex-direction: column;
}
.field--full {
  grid-column: 1 / -1;
}

.field label {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 7px;
}
.field .req {
  color: var(--red);
  margin-left: 3px;
}

.field .muted {
  color: var(--muted-2);
  font-weight: 400;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  background: #141414;
  border: 1px solid var(--border-strong);
  color: var(--text);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-family: inherit;
  font-size: 0.96rem;
  min-height: 48px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.field textarea {
  min-height: 140px;
  resize: vertical;
}
.field input::placeholder,
.field textarea::placeholder {
  color: #6f6f6f;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(112, 201, 0, 0.15);
}
.field select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2370C900' stroke-width='3'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}
.field select option {
  background: #141414;
  color: var(--text);
}

.field.has-error input,
.field.has-error select,
.field.has-error textarea {
  border-color: var(--red);
}

.field__error {
  color: var(--red);
  font-size: 0.8rem;
  margin-top: 6px;
  min-height: 0;
  display: none;
}
.field.has-error .field__error {
  display: block;
}

.field--check {
  flex-direction: row;
  align-items: flex-start;
  gap: 10px;
  flex-wrap: wrap;
}
.field--check .field__error {
  width: 100%;
  margin-top: 0;
}
.field--check input {
  width: 20px;
  height: 20px;
  min-height: 20px;
  margin-top: 2px;
  flex-shrink: 0;
  accent-color: var(--green);
}
.field--check label {
  margin: 0;
  font-weight: 400;
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.5;
}

.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 6px;
}

.form__note {
  font-size: 0.8rem;
  color: var(--muted-2);
  margin: 0;
}

.form-status {
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  display: none;
  border: 1px solid transparent;
}
.form-status.is-visible {
  display: block;
}
.form-status.is-success {
  background: rgba(112, 201, 0, 0.1);
  border-color: rgba(112, 201, 0, 0.4);
  color: #c7ee8e;
}
.form-status.is-error {
  background: rgba(229, 57, 53, 0.1);
  border-color: rgba(229, 57, 53, 0.45);
  color: #ffb3b0;
}

.spinner {
  width: 17px;
  height: 17px;
  border: 2px solid rgba(0, 0, 0, 0.35);
  border-top-color: #0b0b0b;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ---------- Footer ---------- */
.site-footer {
  background: #0a0a0a;
  border-top: 1px solid var(--border);
  padding: clamp(44px, 6vw, 68px) 0 0;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 34px;
  padding-bottom: 40px;
}
.footer__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  color: #fff;
}
.footer__brand img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  background: #fff;
}
.footer__brand span {
  font-weight: 800;
  letter-spacing: 0.02em;
}
.footer__desc {
  font-size: 0.9rem;
  color: var(--muted);
  max-width: 340px;
}
.footer__title {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: #fff;
  margin-bottom: 16px;
  font-weight: 700;
}
.footer__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.footer__list a {
  color: var(--muted);
  font-size: 0.92rem;
}
.footer__list a:hover {
  color: var(--green);
}
.footer__bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  font-size: 0.84rem;
  color: var(--muted-2);
}
.footer__bottom a {
  color: var(--muted-2);
}
.footer__bottom a:hover {
  color: var(--green);
}

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(6, 6, 6, 0.94);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.lightbox.is-open {
  display: flex;
}
.lightbox__figure {
  margin: 0;
  max-width: min(1100px, 94vw);
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.lightbox__img {
  max-width: 100%;
  max-height: 78vh;
  object-fit: contain;
  border-radius: var(--radius);
  border: 1px solid var(--border-strong);
  background: var(--card);
}
.lightbox__caption {
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
}
.lightbox__close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background: rgba(20, 20, 20, 0.9);
  color: #fff;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  display: grid;
  place-items: center;
}
.lightbox__close:hover {
  border-color: var(--green);
  color: var(--green);
}
.lightbox__prev,
.lightbox__next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background: rgba(20, 20, 20, 0.9);
  color: #fff;
  cursor: pointer;
  display: grid;
  place-items: center;
}
.lightbox__prev {
  left: 16px;
}
.lightbox__next {
  right: 16px;
}
.lightbox__prev:hover,
.lightbox__next:hover {
  border-color: var(--green);
  color: var(--green);
}

/* ---------- Legal pages ---------- */
.legal-hero {
  padding: clamp(40px, 6vw, 72px) 0 0;
}
.legal {
  max-width: 820px;
  padding-bottom: clamp(56px, 8vw, 96px);
}
.legal h2 {
  font-size: 1.4rem;
  margin-top: 34px;
}
.legal h3 {
  font-size: 1.08rem;
  margin-top: 22px;
}
.legal p,
.legal li {
  color: var(--muted);
  font-size: 0.96rem;
}
.legal ul {
  padding-left: 20px;
}
.legal .placeholder {
  color: var(--red);
  font-weight: 600;
}
.legal a {
  word-break: break-word;
}
.note {
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--red);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  margin: 22px 0;
  font-size: 0.9rem;
}

/* ---------- Reveal animation ---------- */
/* Nur anwenden, wenn JavaScript aktiv ist – sonst bleibt der Inhalt sichtbar */
.js .reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  will-change: opacity, transform;
}
.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .hero__grid {
    grid-template-columns: 1fr;
  }
  .hero__media {
    max-width: 640px;
  }
  .about__grid,
  .contact__grid {
    grid-template-columns: 1fr;
  }
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .step:nth-child(2)::after {
    display: none;
  }
  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer__brandcol {
    grid-column: 1 / -1;
  }
}

@media (max-width: 860px) {
  .nav-toggle {
    display: flex;
  }
  .header-cta {
    display: none;
  }
  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    background: #0d0d0d;
    border-bottom: 1px solid var(--border);
    padding: 14px 22px 22px;
    gap: 2px;
    transform: translateY(-140%);
    transition: transform 0.3s ease;
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
    z-index: 99;
  }
  .nav.is-open {
    transform: translateY(0);
  }
  .nav__link {
    padding: 14px 10px;
    border-bottom: 1px solid var(--border);
    font-size: 1rem;
  }
  .nav__link.is-active::after {
    display: none;
  }
  .nav__link.is-active {
    color: var(--green);
  }
  .nav__mobile-cta {
    margin-top: 14px;
    display: block;
  }
}

.nav__mobile-cta {
  display: none;
}

@media (max-width: 620px) {
  .services__grid,
  .process__grid {
    grid-template-columns: 1fr;
  }
  .step::after {
    display: none;
  }
  .form__row {
    grid-template-columns: 1fr;
  }
  .project,
  .project:nth-child(even) .project__media {
    grid-template-columns: 1fr;
    order: 0;
  }
  .project__media {
    order: 0 !important;
    min-height: 210px;
    aspect-ratio: 3 / 2;
  }
  .project__body {
    padding: 22px 20px;
  }
  .footer__grid {
    grid-template-columns: 1fr;
  }
  .footer__bottom {
    flex-direction: column;
  }
  .hero__actions .btn {
    width: 100%;
  }
  .brand__text {
    display: none;
  }
}

@media (max-width: 380px) {
  .container {
    padding-inline: 16px;
  }
  .hero__media {
    gap: 10px;
  }
  .filter-btn {
    padding: 8px 13px;
    font-size: 0.84rem;
  }
}

/* ---------- 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;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
  .js .reveal {
    opacity: 1;
    transform: none;
  }
}