/* ============================
   OSCA Website - Stylesheet v2
   Optimal Solutions by Concept Analysis
   ============================ */

/* --- Self-hosted Inter font --- */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/inter-v20-latin-regular.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('fonts/inter-v20-latin-500.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('fonts/inter-v20-latin-600.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('fonts/inter-v20-latin-700.woff2') format('woff2');
}

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

:root {
  --green-900: #2B3A1E;
  --green-800: #3B4A2B;
  --green-700: #4A5D3A;
  --green-600: #5C7248;
  --green-500: #6E8558;
  --green-100: #E8EDE3;
  --green-50: #F2F5EF;
  --orange-600: #B8742A;
  --orange-500: #C8842D;
  --orange-400: #D4963F;
  --orange-100: #F5EBDD;
  --cream: #FAF8F5;
  --white: #FFFFFF;
  --gray-900: #1A1A1A;
  --gray-800: #2C2C2C;
  --gray-700: #404040;
  --gray-600: #555555;
  --gray-500: #6B6B6B;
  --gray-400: #8A8A8A;
  --gray-300: #B0B0B0;
  --gray-200: #D4D4D4;
  --gray-100: #EBEBEB;
  --gray-50: #F7F7F7;
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.06), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.08), 0 4px 10px rgba(0,0,0,0.04);
  --shadow-xl: 0 20px 40px rgba(0,0,0,0.1);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: 0.25s ease;
  --transition-slow: 0.4s ease;
  --max-width: 1200px;
  --max-width-narrow: 800px;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--gray-800);
  background-color: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul { list-style: none; }

/* --- Typography --- */
h1, h2, h3, h4, h5 {
  font-weight: 600;
  line-height: 1.25;
  color: var(--gray-900);
}

h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  letter-spacing: -0.02em;
}

h3 {
  font-size: 1.15rem;
  font-weight: 600;
}

p {
  color: var(--gray-600);
  line-height: 1.75;
}

.text-sm { font-size: 0.875rem; }
.text-lg { font-size: 1.125rem; }

/* --- Layout --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

@media (min-width: 768px) {
  .container { padding: 0 2.5rem; }
}

.section {
  padding: 5rem 0;
}

@media (min-width: 768px) {
  .section { padding: 6.5rem 0; }
}

.section--cream { background-color: var(--cream); }
.section--green-light { background-color: var(--green-50); }

.section--green {
  background-color: var(--green-800);
  color: var(--green-100);
}
.section--green h2,
.section--green h3,
.section--green h4 { color: var(--white); }
.section--green p { color: rgba(232, 237, 227, 0.8); }

/* --- Section Headers --- */
.section-header {
  margin-bottom: 3.5rem;
}

.section-header--center {
  text-align: center;
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
}

.section-header .overline {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--orange-500);
  margin-bottom: 0.75rem;
}

.section--green .overline { color: var(--orange-400); }

.section-header h2 {
  margin-bottom: 0.75rem;
}

.section-header p {
  font-size: 1.05rem;
}

.accent-line {
  display: inline-block;
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--green-700), var(--orange-500));
  border-radius: 2px;
  margin-top: 1rem;
}

/* ============================
   HEADER / NAVIGATION
   ============================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: box-shadow var(--transition), background var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow-sm);
  background: rgba(255, 255, 255, 0.98);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

@media (min-width: 768px) {
  .header .container { height: 80px; }
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
}

.logo-mark {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.logo-text {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--green-800);
  letter-spacing: 0.15em;
  line-height: 1;
}

.logo-sub {
  font-size: 0.55rem;
  font-weight: 400;
  letter-spacing: 0.03em;
  color: var(--gray-500);
  margin-top: 2px;
}

.logo-line {
  display: block;
  height: 2px;
  width: 100%;
  background: linear-gradient(90deg, var(--green-700) 40%, var(--orange-500) 100%);
  margin-top: 3px;
  border-radius: 1px;
}

/* Navigation */
.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-600);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.nav-links a:hover {
  color: var(--gray-900);
  background: var(--gray-50);
}

.nav-links a.active {
  color: var(--green-800);
  background: var(--green-50);
}

.nav-cta {
  background: var(--green-800) !important;
  color: var(--white) !important;
  margin-left: 0.5rem;
}

.nav-cta:hover {
  background: var(--green-700) !important;
  color: var(--white) !important;
}

.nav-cta.active {
  background: var(--green-800) !important;
  color: var(--white) !important;
}

/* Mobile toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--gray-800);
  border-radius: 2px;
  transition: var(--transition);
}

/* ============================
   HERO SECTION
   ============================ */
.hero {
  padding: 9rem 0 5rem;
  background: var(--cream);
  position: relative;
  overflow: hidden;
}

@media (min-width: 768px) {
  .hero { padding: 11rem 0 6rem; }
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

@media (min-width: 960px) {
  .hero .container {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
  }
}

.hero-content { position: relative; z-index: 1; }

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--green-700);
  margin-bottom: 1.25rem;
  background: var(--green-100);
  padding: 0.4rem 0.85rem;
  border-radius: 100px;
}

.hero h1 {
  margin-bottom: 1.25rem;
  color: var(--gray-900);
}

.hero h1 em {
  font-style: normal;
  color: var(--green-700);
}

.hero-desc {
  font-size: 1.1rem;
  max-width: 520px;
  margin-bottom: 2rem;
  line-height: 1.8;
}

/* Key figures ribbon */
.hero-figures {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-top: 2.5rem;
}

.hero-figure {
  background: var(--white);
  padding: 1.25rem 1rem;
  text-align: center;
}

.hero-figure strong {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--green-800);
  line-height: 1.2;
}

.hero-figure span {
  font-size: 0.78rem;
  color: var(--gray-500);
  margin-top: 0.2rem;
  display: block;
}

/* Hero visual - project showcase */
.hero-visual {
  position: relative;
}

.hero-project-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.hero-project-img {
  height: 220px;
  background: var(--green-800);
  position: relative;
  overflow: hidden;
}

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

.hero-project-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(8px);
  color: white;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.3rem 0.7rem;
  border-radius: 100px;
}

.hero-project-body {
  padding: 1.5rem;
}

.hero-project-body h3 {
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

.hero-project-meta {
  font-size: 0.8rem;
  color: var(--gray-400);
  margin-bottom: 0.75rem;
}

.hero-project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tag {
  font-size: 0.7rem;
  font-weight: 500;
  padding: 0.2rem 0.55rem;
  border-radius: 100px;
  background: var(--green-50);
  color: var(--green-700);
}

.tag--scope {
  background: var(--orange-100);
  color: var(--orange-600);
}

/* --- Hero Stats --- */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.hero-stat {
  text-align: center;
}

.hero-stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--green-700);
  line-height: 1.1;
}

.hero-stat-label {
  display: block;
  font-size: 0.78rem;
  color: var(--gray-500);
  margin-top: 0.25rem;
}

@media (max-width: 480px) {
  .hero-stats {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

/* ============================
   BUTTONS
   ============================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  line-height: 1.4;
}

.btn-primary {
  background: var(--green-800);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--green-700);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--white);
  color: var(--gray-800);
  border: 1px solid var(--gray-200);
}

.btn-secondary:hover {
  background: var(--gray-50);
  border-color: var(--gray-300);
}

.btn-white {
  background: var(--white);
  color: var(--green-800);
}

.btn-white:hover {
  background: var(--cream);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-group {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.btn-arrow::after {
  content: '→';
  transition: transform var(--transition);
}

.btn-arrow:hover::after {
  transform: translateX(3px);
}

/* ============================
   DISCIPLINES / SERVICES GRID
   ============================ */
.disciplines-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

@media (min-width: 768px) {
  .disciplines-grid { grid-template-columns: repeat(4, 1fr); }
}

.discipline-card {
  background: var(--white);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: all var(--transition);
  cursor: default;
}

.discipline-card:hover {
  background: var(--green-50);
}

.discipline-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--green-50);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  transition: all var(--transition);
}

.discipline-card:hover .discipline-icon {
  background: var(--green-800);
  color: var(--white);
}

.discipline-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--green-700);
  fill: none;
  stroke-width: 1.5;
  transition: stroke var(--transition);
}

.discipline-card:hover .discipline-icon svg {
  stroke: var(--white);
}

.discipline-card h3 {
  font-size: 0.95rem;
  margin-bottom: 0.4rem;
}

.discipline-card p {
  font-size: 0.82rem;
  margin: 0;
  color: var(--gray-500);
}

/* ============================
   FOCUS SECTORS
   ============================ */
.sectors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}

.sector-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: all var(--transition);
}

.sector-card:hover {
  background: rgba(255,255,255,0.1);
  transform: translateY(-2px);
}

.sector-card h3 {
  font-size: 1rem;
  margin-bottom: 0.4rem;
}

.sector-card p {
  font-size: 0.85rem;
  margin: 0;
}

.sector-number {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--orange-400);
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
  display: block;
}

/* ============================
   PROJECT CARDS
   ============================ */
.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 960px) {
  .projects-grid { grid-template-columns: repeat(3, 1fr); }
}

.project-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition);
}

.project-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.project-card-img {
  height: 200px;
  background: var(--green-800);
  position: relative;
  overflow: hidden;
}

.project-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-card-img img {
  transform: scale(1.05);
}

.project-card-category {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: rgba(0,0,0,0.35);
  backdrop-filter: blur(6px);
  color: white;
  padding: 0.25rem 0.6rem;
  border-radius: 100px;
}

.project-card-body {
  padding: 1.25rem;
}

.project-card-body h3 {
  font-size: 1rem;
  margin-bottom: 0.2rem;
}

.project-card-location {
  font-size: 0.8rem;
  color: var(--gray-400);
  margin-bottom: 0.75rem;
}

.project-card-details {
  display: flex;
  gap: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--gray-100);
}

.project-detail {
  display: flex;
  flex-direction: column;
}

.project-detail-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--gray-400);
  font-weight: 500;
}

.project-detail-value {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-800);
}

.project-detail--scope .project-detail-value {
  color: var(--orange-500);
}

/* Project filters */
.project-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.filter-btn {
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.4rem 1rem;
  border-radius: 100px;
  border: 1px solid var(--gray-200);
  background: var(--white);
  color: var(--gray-600);
  cursor: pointer;
  transition: all var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--green-800);
  color: var(--white);
  border-color: var(--green-800);
}

/* ============================
   CTA SECTION
   ============================ */
.cta-section {
  background: var(--green-800);
  border-radius: var(--radius-xl);
  padding: 3.5rem 2rem;
  text-align: center;
  color: var(--green-100);
}

@media (min-width: 768px) {
  .cta-section { padding: 4.5rem 3rem; }
}

.cta-section h2 {
  color: var(--white);
  margin-bottom: 0.75rem;
}

.cta-section p {
  color: rgba(232, 237, 227, 0.75);
  max-width: 480px;
  margin: 0 auto 2rem;
  font-size: 1.05rem;
}

/* ============================
   PAGE HERO (subpages)
   ============================ */
.page-hero {
  padding: 8.5rem 0 3.5rem;
  background: var(--cream);
}

@media (min-width: 768px) {
  .page-hero { padding: 10rem 0 4rem; }
}

.page-hero .overline {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--orange-500);
  margin-bottom: 0.75rem;
}

.page-hero h1 {
  margin-bottom: 0.75rem;
}

.page-hero p {
  font-size: 1.1rem;
  max-width: 560px;
}

/* ============================
   ABOUT PAGE
   ============================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

@media (min-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
  }
}

.about-text h2 { margin-bottom: 1rem; }
.about-text p { margin-bottom: 1rem; }

.about-visual {
  background: var(--cream);
  border-radius: var(--radius-lg);
  padding: 3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 320px;
  border: 1px solid var(--gray-100);
}

.about-visual .logo-text { font-size: 3rem; }

/* --- Profile / Team Section --- */
.team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  max-width: 900px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .team-grid {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 2rem;
    max-width: 1100px;
  }
}

.profile-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid var(--gray-100);
}

.profile-card--placeholder {
  border: 2px dashed var(--gray-200);
  background: transparent;
  display: flex;
  align-items: center;
}

.profile-card--vacancy {
  border: 1px solid var(--orange-100);
  background: var(--white);
  display: flex;
  align-items: center;
}

.profile-photo {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  overflow: hidden;
  margin-bottom: 1.25rem;
}

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

.profile-photo--placeholder {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: var(--green-50);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--green-600);
}

.profile-info h3 {
  font-size: 1.5rem;
  color: var(--green-800);
  margin-bottom: 0.25rem;
}

.profile-title {
  font-size: 1rem;
  color: var(--orange-500);
  font-weight: 500;
  margin-bottom: 1.25rem;
}

.profile-info p {
  margin-bottom: 1rem;
  line-height: 1.7;
}

.profile-credentials {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.credential {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--gray-700);
}

.credential svg {
  flex-shrink: 0;
  color: var(--green-600);
}

.values-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .values-grid { grid-template-columns: repeat(3, 1fr); }
}

.value-card {
  padding: 2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-100);
  background: var(--white);
  transition: all var(--transition);
}

.value-card:hover {
  box-shadow: var(--shadow-md);
}

.value-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--green-50);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  font-size: 1.25rem;
}

.value-card h3 { margin-bottom: 0.4rem; }
.value-card p { font-size: 0.9rem; margin: 0; }

/* ============================
   DIENSTEN (Services detail)
   ============================ */
.dienst-section {
  padding: 3.5rem 0;
}

.dienst-section:not(:last-child) {
  border-bottom: 1px solid var(--gray-100);
}

.dienst-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 768px) {
  .dienst-layout {
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
  }
  .dienst-layout.reverse { grid-template-columns: 1.2fr 1fr; }
  .dienst-layout.reverse .dienst-visual { order: 2; }
  .dienst-layout.reverse .dienst-content { order: 1; }
}

.dienst-visual {
  background: linear-gradient(135deg, var(--green-800), var(--green-600));
  border-radius: var(--radius-lg);
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.dienst-visual svg {
  width: 64px;
  height: 64px;
  stroke: rgba(255,255,255,0.2);
  fill: none;
  stroke-width: 1;
}

.dienst-content h3 {
  font-size: 1.4rem;
  margin-bottom: 0.75rem;
}

.dienst-content > p {
  margin-bottom: 1.25rem;
  font-size: 0.95rem;
}

.dienst-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.dienst-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--gray-600);
  line-height: 1.5;
}

.dienst-list li::before {
  content: '';
  flex-shrink: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--orange-500);
  margin-top: 0.5rem;
}

/* ============================
   PROCESS / WERKWIJZE
   ============================ */
.process-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .process-grid { grid-template-columns: repeat(4, 1fr); }
}

.process-step {
  text-align: center;
  padding: 1.5rem;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(200, 132, 45, 0.15);
  color: var(--orange-400);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.process-step h3 {
  font-size: 0.95rem;
  margin-bottom: 0.35rem;
  color: var(--white);
}

.process-step p {
  font-size: 0.82rem;
  margin: 0;
  color: rgba(232, 237, 227, 0.65);
}

/* ============================
   CONTACT PAGE
   ============================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

@media (min-width: 768px) {
  .contact-grid { grid-template-columns: 1fr 1.2fr; }
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.contact-card:hover {
  box-shadow: var(--shadow-md);
}

.contact-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--green-50);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--green-700);
  fill: none;
  stroke-width: 1.5;
}

.contact-card h3 {
  font-size: 0.9rem;
  margin-bottom: 0.15rem;
}

.contact-card p {
  font-size: 0.9rem;
  margin: 0;
}

.contact-card a {
  color: var(--green-700);
  font-weight: 500;
}

.contact-card a:hover {
  color: var(--orange-500);
}

.contact-map {
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 380px;
  border: 1px solid var(--gray-100);
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  min-height: 380px;
  border: none;
}

/* ============================
   FOOTER
   ============================ */
.footer {
  background: var(--gray-900);
  color: rgba(255,255,255,0.5);
  padding: 3.5rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 3rem;
  }
}

.footer-brand .logo-mark { align-items: flex-start; }
.footer-brand .logo-text { color: var(--white); font-size: 1.3rem; }
.footer-brand .logo-sub { color: rgba(255,255,255,0.35); }

.footer-brand > p {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  max-width: 300px;
  color: rgba(255,255,255,0.4);
}

.footer-col h4 {
  color: rgba(255,255,255,0.85);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.footer-col a {
  display: block;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.45);
  padding: 0.2rem 0;
  transition: color var(--transition);
}

.footer-col a:hover { color: var(--orange-400); }

.footer-bottom {
  text-align: center;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.25);
}

/* ============================
   UTILITY / MISC
   ============================ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* Project card reveal (filter-compatible) */
.project-card.reveal-ready {
  opacity: 0;
  transform: translateY(16px);
}

.project-card.revealed {
  opacity: 1 !important;
  transform: translateY(0) !important;
}

/* Image placeholder pattern */
.img-placeholder {
  background: linear-gradient(135deg, var(--green-800), var(--green-600));
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.15);
  font-size: 2.5rem;
}

/* ============================
   RESPONSIVE
   ============================ */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--white);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 2rem;
  }

  .nav-links.open { display: flex; }

  .nav-links a {
    font-size: 1.1rem;
    padding: 0.75rem 1.5rem;
  }

  .menu-toggle { display: flex; }

  .hero { text-align: center; }
  .hero-desc { margin-left: auto; margin-right: auto; }
  .btn-group { j