/* ==========================================================================
   Holzmanufaktur Sellmann — Design tokens
   ========================================================================== */

:root {
  /* Colors */
  --color-bg: #1a1f2e;
  --color-bg-alt: #0a0f1e;
  --color-surface: #141a2b;
  --color-border: #2d3748;
  --color-border-soft: #1e293b;

  --color-text: #f8fafc;
  --color-text-muted: #94a3b8;
  --color-text-faint: #475569;

  --color-accent: #c68a4c;
  --color-accent-hover: #d97706;
  --color-accent-soft: rgba(198, 138, 76, 0.15);

  /* Typography */
  --font-display: "Fraunces", ui-serif, Georgia, serif;
  --font-body: "Plus Jakarta Sans", ui-sans-serif, system-ui, sans-serif;

  /* Layout */
  --container-width: 1180px;
  --header-height: 76px;
  --radius: 4px;
  --transition: 200ms ease;
}

/* ==========================================================================
   Reset
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1,
h2,
h3,
h4,
p {
  margin: 0;
}

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

input,
select,
textarea {
  font: inherit;
  color: inherit;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: 24px;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  z-index: 200;
  padding: 12px 20px;
  background: var(--color-accent);
  color: #fff;
}

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

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

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

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.15;
}

h1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 400;
}

h2 {
  font-size: clamp(2rem, 3.4vw, 2.75rem);
}

h3 {
  font-size: 1.3rem;
}

.section-heading {
  max-width: 640px;
  margin-bottom: 56px;
}

.section-heading__lead {
  margin-top: 16px;
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  transition: background var(--transition), border-color var(--transition), color var(--transition), transform var(--transition);
  white-space: nowrap;
}

.btn svg {
  width: 18px;
  height: 18px;
}

.btn--accent {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 4px 24px rgba(198, 138, 76, 0.25);
}

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

.btn--ghost {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

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

.btn--large {
  padding: 16px 32px;
  font-size: 1rem;
}

.btn--small {
  padding: 10px 20px;
  font-size: 0.85rem;
}

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

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-height);
  display: flex;
  align-items: center;
  transition: background var(--transition), box-shadow var(--transition);
}

.site-header.is-scrolled {
  background: rgba(10, 15, 30, 0.92);
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 0 var(--color-border-soft);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand__eyebrow {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.brand__name {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--color-text);
}

.main-nav ul {
  display: flex;
  gap: 32px;
}

.main-nav a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

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

.header-cta {
  margin-left: auto;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--color-text);
  transition: transform var(--transition), opacity var(--transition);
}

.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);
}

.mobile-nav {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border-soft);
  border-bottom: 1px solid var(--color-border-soft);
}

.mobile-nav ul {
  padding: 16px 24px 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mobile-nav a {
  display: block;
  padding: 12px 0;
  font-weight: 500;
  color: var(--color-text-muted);
}

.mobile-nav .btn {
  margin-top: 12px;
}

@media (max-width: 900px) {
  .main-nav,
  .header-cta {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--header-height);
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(10, 15, 30, 0.75) 0%, rgba(10, 15, 30, 0.88) 55%, var(--color-bg) 100%),
    linear-gradient(90deg, rgba(10, 15, 30, 0.55) 0%, rgba(10, 15, 30, 0.15) 60%);
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 780px;
  padding-block: 64px;
}

.hero__lead {
  margin-top: 24px;
  max-width: 560px;
  font-size: 1.1rem;
  color: var(--color-text-muted);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 36px;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(4, auto);
  gap: 32px;
  margin: 56px 0 0;
}

.hero__stats dt {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--color-accent);
}

.hero__stats dd {
  margin: 4px 0 0;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

@media (max-width: 640px) {
  .hero__stats {
    grid-template-columns: repeat(2, auto);
    row-gap: 24px;
  }
}

/* ==========================================================================
   USPs
   ========================================================================== */

.usps {
  background: var(--color-bg);
  padding: 96px 0;
}

.usps__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 32px;
}

.usp-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  background: var(--color-accent-soft);
  color: var(--color-accent);
  margin-bottom: 20px;
}

.usp-card__icon svg {
  width: 24px;
  height: 24px;
}

.usp-card h3 {
  margin-bottom: 10px;
  font-size: 1.15rem;
}

.usp-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* ==========================================================================
   Section shell backgrounds
   ========================================================================== */

.about,
.services,
.process,
.testimonials {
  background: var(--color-bg-alt);
  padding: 96px 0;
}

.gallery {
  background: var(--color-bg);
  padding: 96px 0;
}

.contact {
  background: var(--color-bg);
  padding: 96px 0;
}

/* ==========================================================================
   About
   ========================================================================== */

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about__media {
  position: relative;
}

.about__media img {
  border-radius: var(--radius);
  aspect-ratio: 4/5;
  object-fit: cover;
}

.about__badge {
  position: absolute;
  bottom: -24px;
  right: -24px;
  background: var(--color-accent);
  color: #fff;
  padding: 20px 24px;
  border-radius: var(--radius);
  text-align: center;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}

.about__badge-number {
  display: block;
  font-family: var(--font-display);
  font-size: 1.8rem;
}

.about__badge-label {
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.about__text p {
  margin-top: 18px;
  color: var(--color-text-muted);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.tag-list li {
  padding: 8px 16px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

@media (max-width: 860px) {
  .about__grid {
    grid-template-columns: 1fr;
  }
  .about__badge {
    right: 12px;
  }
}

/* ==========================================================================
   Services / Tabs
   ========================================================================== */

.service-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
}

.service-tabs__tab {
  padding: 12px 22px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: all var(--transition);
}

.service-tabs__tab.is-active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

.service-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.service-panel[hidden] {
  display: none;
}

.service-panel__text p {
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

.check-list {
  display: grid;
  gap: 12px;
  margin-bottom: 28px;
}

.check-list li {
  position: relative;
  padding-left: 28px;
  font-size: 0.95rem;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-accent-soft);
  box-shadow: inset 0 0 0 1px var(--color-accent);
}

.check-list li::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 7px;
  width: 8px;
  height: 4px;
  border-left: 2px solid var(--color-accent);
  border-bottom: 2px solid var(--color-accent);
  transform: rotate(-45deg);
}

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

.service-panel__media img {
  border-radius: var(--radius);
  aspect-ratio: 1;
  object-fit: cover;
}

@media (max-width: 860px) {
  .service-panel {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Process
   ========================================================================== */

.process__steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.process-step {
  position: relative;
  padding: 32px 28px;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius);
  background: var(--color-surface);
}

.process-step__number {
  display: block;
  font-family: var(--font-display);
  font-size: 2.2rem;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.process-step h3 {
  margin-bottom: 12px;
}

.process-step p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

@media (max-width: 860px) {
  .process__steps {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Gallery
   ========================================================================== */

.gallery__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 220px;
  gap: 16px;
}

.gallery__item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
}

.gallery__item--wide {
  grid-column: span 2;
}

.gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 400ms ease;
}

.gallery__item:hover img {
  transform: scale(1.06);
}

.gallery__item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(10, 15, 30, 0.35), transparent 50%);
  opacity: 0;
  transition: opacity var(--transition);
}

.gallery__item:hover::after {
  opacity: 1;
}

@media (max-width: 860px) {
  .gallery__grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 160px;
  }
  .gallery__item--wide {
    grid-column: span 2;
  }
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(10, 15, 30, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.lightbox[hidden] {
  display: none;
}

.lightbox img {
  max-width: 100%;
  max-height: 100%;
  border-radius: var(--radius);
}

.lightbox__close {
  position: absolute;
  top: 24px;
  right: 32px;
  font-size: 2.5rem;
  line-height: 1;
  color: var(--color-text);
}

/* ==========================================================================
   Testimonials
   ========================================================================== */

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.testimonial-card {
  margin: 0;
  padding: 28px;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius);
  background: var(--color-surface);
}

.testimonial-card__source {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: 14px;
}

.testimonial-card__quote {
  font-size: 0.98rem;
  color: var(--color-text);
  margin-bottom: 20px;
}

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

.testimonial-card cite {
  display: block;
  font-style: normal;
  font-weight: 600;
  color: var(--color-text);
}

/* ==========================================================================
   Contact
   ========================================================================== */

.contact__grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
}

.contact__info > p {
  color: var(--color-text-muted);
  margin-top: 20px;
  max-width: 440px;
}

.contact-details {
  margin-top: 40px;
  display: grid;
  gap: 24px;
}

.contact-details dt {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-faint);
  margin-bottom: 4px;
}

.contact-details dd {
  margin: 0;
  font-size: 1rem;
}

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

.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius);
  padding: 36px;
  display: grid;
  gap: 20px;
}

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

.form-field label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 0.92rem;
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-field textarea {
  resize: vertical;
}

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

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.form-field select {
  cursor: pointer;
}

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

@media (max-width: 860px) {
  .contact__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border-soft);
  padding-top: 72px;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}

.site-footer__brand p {
  margin-top: 16px;
  color: var(--color-text-muted);
  font-size: 0.92rem;
  max-width: 340px;
}

.site-footer__badges {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.site-footer__badges span {
  padding: 6px 14px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

.site-footer__col h3 {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text);
  margin-bottom: 20px;
}

.site-footer__col ul {
  display: grid;
  gap: 12px;
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.site-footer__col address {
  font-style: normal;
  color: var(--color-text-muted);
  font-size: 0.92rem;
  line-height: 1.8;
}

.site-footer__col address a:hover {
  color: var(--color-accent);
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  align-items: center;
  padding-block: 24px;
  border-top: 1px solid var(--color-border-soft);
  font-size: 0.82rem;
  color: var(--color-text-faint);
}

.site-footer__bottom nav {
  display: flex;
  gap: 24px;
}

.site-footer__bottom a:hover {
  color: var(--color-accent);
}

@media (max-width: 760px) {
  .site-footer__grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Scroll reveal
   ========================================================================== */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 600ms ease, transform 600ms ease;
}

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