/* ═══════════════════════════════════════════
   ProBrixx Europa GmbH — Design Tokens
   ═══════════════════════════════════════════ */

:root {
  /* Typography */
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'DM Sans', 'Helvetica Neue', sans-serif;

  /* Type Scale */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    4.5rem);

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Colors — ProBrixx: White, Anthracite, Steel Blue */
  --color-bg:             #ffffff;
  --color-surface:        #f8f9fa;
  --color-surface-2:      #f1f3f5;
  --color-surface-offset: #edf0f2;
  --color-divider:        #dee2e6;
  --color-border:         #ced4da;

  --color-text:           #1a1d23;
  --color-text-muted:     #5a6370;
  --color-text-faint:     #9ca3af;
  --color-text-inverse:   #ffffff;

  --color-primary:        #1a5276;
  --color-primary-hover:  #154360;
  --color-primary-active: #0e2f44;
  --color-primary-light:  #d4e6f1;

  --color-dark:           #1a1d23;
  --color-dark-surface:   #22262d;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 400ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(26,29,35,0.06);
  --shadow-md: 0 4px 16px rgba(26,29,35,0.08);
  --shadow-lg: 0 12px 40px rgba(26,29,35,0.12);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
}


/* ═══════════════════════════════════════════
   Skip Link
   ═══════════════════════════════════════════ */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  z-index: 100;
  font-size: var(--text-sm);
  text-decoration: none;
}
.skip-link:focus {
  top: var(--space-4);
}


/* ═══════════════════════════════════════════
   Container
   ═══════════════════════════════════════════ */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin: 0 auto;
  padding-inline: var(--space-6);
}

@media (min-width: 768px) {
  .container {
    padding-inline: var(--space-10);
  }
}


/* ═══════════════════════════════════════════
   Header / Navigation
   ═══════════════════════════════════════════ */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: box-shadow var(--transition-slow);
}
.header--scrolled {
  box-shadow: 0 1px 0 var(--color-divider), var(--shadow-sm);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-4) var(--space-6);
}
@media (min-width: 768px) {
  .header__inner {
    padding: var(--space-4) var(--space-10);
  }
}
.header__logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--color-text);
}
.logo-svg {
  height: 28px;
  width: auto;
}
.header__nav {
  display: none;
}
@media (min-width: 1024px) {
  .header__nav {
    display: block;
  }
}
.header__nav ul {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}
.header__nav a {
  display: inline-block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  border-radius: var(--radius-sm);
  letter-spacing: -0.01em;
}
.header__nav a:hover {
  color: var(--color-text);
  background: var(--color-surface);
}
.header__nav a.is-active {
  color: var(--color-primary);
}
.header__nav .nav-cta {
  margin-left: var(--space-2);
  padding: var(--space-2) var(--space-5);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-radius: var(--radius-md);
  font-weight: 600;
}
.header__nav .nav-cta:hover {
  background: var(--color-primary-hover);
  color: var(--color-text-inverse);
}

/* Mobile menu button */
.header__menu {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: var(--space-2);
}
.header__menu span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition-interactive), opacity var(--transition-interactive);
}
.header__menu.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.header__menu.is-open span:nth-child(2) {
  opacity: 0;
}
.header__menu.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}
@media (min-width: 1024px) {
  .header__menu {
    display: none;
  }
}

/* Mobile overlay */
.mobile-overlay {
  position: fixed;
  inset: 0;
  z-index: 45;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}
.mobile-overlay.is-open {
  opacity: 1;
  visibility: visible;
}
.mobile-overlay ul {
  text-align: center;
}
.mobile-overlay li {
  margin-bottom: var(--space-2);
}
.mobile-overlay a {
  display: inline-block;
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  border-radius: var(--radius-md);
}
.mobile-overlay a:hover {
  color: var(--color-primary);
}
.mobile-overlay .mobile-cta {
  display: inline-block;
  margin-top: var(--space-6);
  padding: var(--space-4) var(--space-8);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: var(--text-base);
}
.mobile-overlay .mobile-cta:hover {
  background: var(--color-primary-hover);
  color: var(--color-text-inverse);
}


/* ═══════════════════════════════════════════
   Buttons
   ═══════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-md);
  letter-spacing: -0.01em;
  cursor: pointer;
  border: 2px solid transparent;
  min-height: 48px;
}
.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.btn--primary:hover {
  background: var(--color-primary-hover);
  box-shadow: var(--shadow-md);
}
.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn--outline:hover {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.btn--full {
  width: 100%;
}
.btn--outline-light {
  background: transparent;
  color: var(--color-text-inverse);
  border-color: rgba(255,255,255,0.3);
}
.btn--outline-light:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.5);
}


/* ═══════════════════════════════════════════
   Hero
   ═══════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  padding: clamp(var(--space-16), 10vw, var(--space-32)) 0;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, #f8f9fa 0%, #ffffff 40%, var(--color-primary-light) 100%);
  z-index: 0;
}
.hero__grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, rgba(26,82,118,0.03) 1px, transparent 1px),
    linear-gradient(0deg, rgba(26,82,118,0.03) 1px, transparent 1px);
  background-size: 80px 80px;
}
.hero__content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}
.hero__badge {
  display: inline-block;
  padding: var(--space-1) var(--space-4);
  margin-bottom: var(--space-6);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-light);
  border-radius: var(--radius-xl);
}
.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 400;
  line-height: 1.1;
  color: var(--color-text);
  margin-bottom: var(--space-6);
  letter-spacing: -0.02em;
}
.hero__sub {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 600px;
  margin-bottom: var(--space-8);
  line-height: 1.7;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-10);
}
.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
}
.hero__trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 500;
}
.hero__trust-item svg {
  flex-shrink: 0;
  color: var(--color-primary);
}


/* ═══════════════════════════════════════════
   Sections
   ═══════════════════════════════════════════ */
.section {
  padding-block: clamp(var(--space-12), 8vw, var(--space-24));
}
.section--light {
  background: var(--color-bg);
}
.section--offset {
  background: var(--color-surface);
}
.section--dark {
  background: var(--color-dark);
  color: var(--color-text-inverse);
}
.section__label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.section__label--light {
  color: rgba(255,255,255,0.6);
}
.section__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  letter-spacing: -0.015em;
}
.section__title--light {
  color: var(--color-text-inverse);
}
.section__header {
  text-align: left;
  max-width: 680px;
  margin-bottom: clamp(var(--space-8), 4vw, var(--space-16));
}
.section__intro {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
}


/* ═══════════════════════════════════════════
   Section Grid (About / Europa / Partners)
   ═══════════════════════════════════════════ */
.section-grid {
  display: grid;
  gap: clamp(var(--space-8), 4vw, var(--space-16));
  align-items: start;
}
@media (min-width: 768px) {
  .section-grid {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
}
.section-grid__text p {
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

/* About stats */
.about-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
}
.about-stat {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.about-stat__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  flex-shrink: 0;
}
.about-stat__label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}

/* About visual */
.about-visual {
  position: relative;
  aspect-ratio: 1 / 0.85;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: var(--space-3);
}
.about-visual__block {
  border-radius: var(--radius-lg);
}
.about-visual__block--1 {
  background: var(--color-primary-light);
  grid-row: 1 / 3;
}
.about-visual__block--2 {
  background: var(--color-primary);
  opacity: 0.15;
  border-radius: var(--radius-lg);
}
.about-visual__block--3 {
  background: var(--color-surface-2);
}
.about-visual__accent {
  position: absolute;
  bottom: -8px;
  right: -8px;
  width: 60px;
  height: 60px;
  border-radius: var(--radius-lg);
  background: var(--color-primary);
  opacity: 0.1;
}


/* ═══════════════════════════════════════════
   Services Grid
   ═══════════════════════════════════════════ */
.services-grid {
  display: grid;
  gap: var(--space-6);
}
@media (min-width: 768px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
.service-card {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(26,29,35,0.06);
}
.service-card--featured {
  border-color: var(--color-primary-light);
  background: linear-gradient(180deg, var(--color-bg) 0%, rgba(212,230,241,0.15) 100%);
}
@media (min-width: 768px) {
  .service-card--featured {
    grid-row: span 2;
  }
}
.service-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-5);
  color: var(--color-primary);
}
.service-card__title {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-3);
  letter-spacing: -0.01em;
}
.service-card__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: var(--space-5);
}
.service-card__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.service-card__list li {
  position: relative;
  padding-left: var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.service-card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  background: var(--color-primary);
  border-radius: 50%;
  opacity: 0.5;
}

.services-additional {
  margin-top: var(--space-10);
  padding: var(--space-6) var(--space-8);
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(26,29,35,0.06);
}
.services-additional h3 {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}
.services-additional p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}


/* ═══════════════════════════════════════════
   Europa Section
   ═══════════════════════════════════════════ */
.europa-text {
  color: rgba(255,255,255,0.7) !important;
  line-height: 1.7;
  margin-bottom: var(--space-4);
}
.europa-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-8);
}
.europa-feature {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.85);
  font-weight: 500;
}
.europa-feature svg {
  flex-shrink: 0;
  color: rgba(255,255,255,0.5);
}
.europa-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
.europa-map {
  width: 100%;
  max-width: 400px;
}
.europa-map svg {
  width: 100%;
  height: auto;
}


/* ═══════════════════════════════════════════
   Benefits Grid
   ═══════════════════════════════════════════ */
.benefits-grid {
  display: grid;
  gap: var(--space-6);
}
@media (min-width: 640px) {
  .benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .benefits-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.benefit-card {
  padding: var(--space-8);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(26,29,35,0.04);
}
.benefit-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: var(--space-5);
  color: var(--color-primary);
}
.benefit-card__title {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.benefit-card__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}


/* ═══════════════════════════════════════════
   Partner Categories
   ═══════════════════════════════════════════ */
.partner-categories {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}
@media (min-width: 640px) {
  .partner-categories {
    grid-template-columns: repeat(3, 1fr);
  }
}
.partner-cat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-6);
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  text-align: center;
  border: 1px solid rgba(26,29,35,0.06);
}
.partner-cat svg {
  color: var(--color-primary);
}
.partner-cat span {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}


/* ═══════════════════════════════════════════
   References Grid
   ═══════════════════════════════════════════ */
.ref-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}
@media (min-width: 640px) {
  .ref-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}
.ref-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-8) var(--space-4);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-divider);
  text-align: center;
  min-height: 140px;
  text-decoration: none;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}
.ref-card--linked:hover {
  border-color: var(--color-primary);
  box-shadow: 0 4px 20px rgba(26, 82, 118, 0.1);
  transform: translateY(-2px);
}
.ref-card__name {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
}
.ref-card__sector {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 400;
}
.ref-card__placeholder {
  color: var(--color-text-faint);
}
.ref-card__label {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-weight: 500;
}
.ref-trust {
  margin-top: var(--space-8);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-align: center;
  font-style: italic;
}


/* ═══════════════════════════════════════════
   Projects Grid
   ═══════════════════════════════════════════ */
.projects-grid {
  display: grid;
  gap: var(--space-6);
}
@media (min-width: 768px) {
  .projects-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.project-card {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(26,29,35,0.06);
}
.project-card__image {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  min-height: 180px;
  background: var(--color-surface-2);
  color: var(--color-text-faint);
  font-size: var(--text-xs);
  font-weight: 500;
}
.project-card__body {
  padding: var(--space-6);
}
.project-card__type {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}
.project-card__title {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}
.project-card__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: var(--space-4);
}
.project-card__meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-divider);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.project-card__meta strong {
  color: var(--color-text);
  font-weight: 600;
}
.projects-cta {
  text-align: center;
  margin-top: clamp(var(--space-8), 4vw, var(--space-16));
}
.projects-cta p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  max-width: none;
}


/* ═══════════════════════════════════════════
   Contact
   ═══════════════════════════════════════════ */
.contact-grid {
  display: grid;
  gap: clamp(var(--space-8), 4vw, var(--space-16));
}
@media (min-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr 1.2fr;
    align-items: start;
  }
}
.contact-company h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}
.contact-company address {
  font-style: normal;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-6);
}
.contact-person {
  margin-bottom: var(--space-6);
}
.contact-person h4, .contact-advantages h4 {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.contact-person p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.contact-advantages ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-3);
}
.contact-advantages li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.contact-advantages li svg {
  flex-shrink: 0;
}

/* Form */
.contact-form {
  background: var(--color-surface);
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(26,29,35,0.06);
}
.form-group {
  margin-bottom: var(--space-5);
}
.form-group label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--color-text);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-faint);
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}
.form-row {
  display: grid;
  gap: var(--space-5);
}
@media (min-width: 480px) {
  .form-row {
    grid-template-columns: 1fr 1fr;
  }
}
.form-hint {
  margin-top: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-align: center;
}


/* ═══════════════════════════════════════════
   Footer
   ═══════════════════════════════════════════ */
.footer {
  background: var(--color-dark);
  color: rgba(255,255,255,0.6);
  padding: var(--space-10) 0;
}
.footer__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}
@media (min-width: 768px) {
  .footer__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}
.footer__logo .logo-svg {
  height: 24px;
  color: rgba(255,255,255,0.8);
}
.footer__address {
  font-style: normal;
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.4);
  margin-top: var(--space-2);
  line-height: 1.5;
}
.footer__links {
  display: flex;
  gap: var(--space-6);
}
.footer__links a {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.5);
  text-decoration: none;
}
.footer__links a:hover {
  color: rgba(255,255,255,0.9);
}
.footer__attribution {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.3);
}
.footer__attribution a {
  color: rgba(255,255,255,0.3);
  text-decoration: none;
}
.footer__attribution a:hover {
  color: rgba(255,255,255,0.6);
}


/* ═══════════════════════════════════════════
   Scroll Reveal
   ═══════════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger cards */
.service-card.reveal:nth-child(2) { transition-delay: 0.08s; }
.service-card.reveal:nth-child(3) { transition-delay: 0.16s; }
.service-card.reveal:nth-child(4) { transition-delay: 0.24s; }

.benefit-card.reveal:nth-child(2) { transition-delay: 0.06s; }
.benefit-card.reveal:nth-child(3) { transition-delay: 0.12s; }
.benefit-card.reveal:nth-child(4) { transition-delay: 0.18s; }
.benefit-card.reveal:nth-child(5) { transition-delay: 0.24s; }
.benefit-card.reveal:nth-child(6) { transition-delay: 0.3s; }

.ref-card.reveal:nth-child(2) { transition-delay: 0.04s; }
.ref-card.reveal:nth-child(3) { transition-delay: 0.08s; }
.ref-card.reveal:nth-child(4) { transition-delay: 0.12s; }
.ref-card.reveal:nth-child(5) { transition-delay: 0.16s; }
.ref-card.reveal:nth-child(6) { transition-delay: 0.2s; }
.ref-card.reveal:nth-child(7) { transition-delay: 0.24s; }
.ref-card.reveal:nth-child(8) { transition-delay: 0.28s; }

.project-card.reveal:nth-child(2) { transition-delay: 0.08s; }
.project-card.reveal:nth-child(3) { transition-delay: 0.16s; }

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}