/* ============================================
   Vardan Poghosyan — Sanitaire Installaties
   Mobile-first responsive stylesheet
   Premium marble/gold aesthetic
   ============================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  --clr-primary: #1a2332;
  --clr-primary-light: #2a3a4f;
  --clr-accent: #c5943a;
  --clr-accent-hover: #d4a54e;
  --clr-accent-dark: #a87d2f;
  --clr-bg: #f5f0e8;
  --clr-bg-alt: #ede6da;
  --clr-white: #ffffff;
  --clr-text: #3a3a3a;
  --clr-text-light: #6b6b6b;
  --clr-border: #e0d8cc;
  --clr-shadow: rgba(26, 35, 50, 0.08);

  --ff-heading: 'Playfair Display', Georgia, serif;
  --ff-body: 'DM Sans', 'Segoe UI', sans-serif;

  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-md: 1.125rem;
  --fs-lg: 1.25rem;
  --fs-xl: 1.5rem;
  --fs-2xl: 2rem;
  --fs-3xl: 2.5rem;
  --fs-4xl: 3.25rem;
  --fs-5xl: 3.75rem;

  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --header-height: 72px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--ff-body);
  font-size: var(--fs-base);
  line-height: 1.7;
  color: var(--clr-text);
  background-color: var(--clr-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
  color: var(--clr-accent-hover);
}

ul {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--ff-heading);
  color: var(--clr-primary);
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.01em;
}

h1 { font-size: var(--fs-2xl); }
h2 { font-size: var(--fs-xl); }
h3 { font-size: var(--fs-lg); }

/* ---------- Utility Classes ---------- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section {
  padding: var(--space-4xl) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-3xl);
  position: relative;
}

.section-title h2 {
  display: inline-block;
  position: relative;
  padding-bottom: var(--space-md);
}

.section-title h2 span {
  color: var(--clr-accent);
}

.section-title h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--clr-accent-dark), var(--clr-accent), var(--clr-accent-dark));
  border-radius: 2px;
}

.section-title p {
  margin-top: var(--space-md);
  color: var(--clr-text-light);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
  font-size: var(--fs-md);
  line-height: 1.7;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.8rem 2rem;
  font-family: var(--ff-body);
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: 0.025em;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  line-height: 1.4;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--clr-accent) 0%, var(--clr-accent-dark) 100%);
  color: var(--clr-white);
  box-shadow: 0 2px 8px rgba(197, 148, 58, 0.25);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--clr-accent-hover) 0%, var(--clr-accent) 100%);
  color: var(--clr-white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(197, 148, 58, 0.4);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(197, 148, 58, 0.25);
}

.btn-outline {
  background: transparent;
  color: var(--clr-accent);
  border: 2px solid var(--clr-accent);
}

.btn-outline:hover {
  background: var(--clr-accent);
  color: var(--clr-white);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(197, 148, 58, 0.3);
}

/* Variant for light backgrounds in dark sections */
.btn-outline-light {
  background: transparent;
  color: var(--clr-white);
  border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--clr-white);
  border-color: rgba(255, 255, 255, 0.7);
  transform: translateY(-2px);
}

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

.btn-white:hover {
  background: var(--clr-bg);
  color: var(--clr-primary);
  transform: translateY(-2px);
}

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

/* Focus styles for accessibility (WCAG AA) */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
.btn:focus-visible {
  outline: 3px solid var(--clr-accent);
  outline-offset: 2px;
}

.header__nav a:focus-visible {
  outline-color: var(--clr-accent);
  outline-offset: 4px;
}

.filter-btn:focus-visible {
  outline: 3px solid var(--clr-accent);
  outline-offset: 2px;
}

/* ---------- Fade-in animation with stagger support ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delays for grid children */
.fade-in:nth-child(2) { transition-delay: 0.1s; }
.fade-in:nth-child(3) { transition-delay: 0.2s; }
.fade-in:nth-child(4) { transition-delay: 0.3s; }
.fade-in:nth-child(5) { transition-delay: 0.4s; }

/* ---------- Header / Navigation ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  transition: background var(--transition), box-shadow var(--transition), backdrop-filter var(--transition);
}

.header--transparent {
  background: transparent;
}

.header--solid {
  background: rgba(26, 35, 50, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(197, 148, 58, 0.1), 0 4px 24px rgba(0, 0, 0, 0.15);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  z-index: 1001;
}

.header__logo-icon {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
}

.header__logo-text {
  font-family: var(--ff-heading);
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--clr-white);
  line-height: 1.2;
}

.header__logo-text span {
  display: block;
  font-family: var(--ff-body);
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--clr-accent);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.header__nav {
  display: none;
}

.header__nav.active {
  display: flex;
  position: fixed;
  inset: 0;
  background: var(--clr-primary);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
  z-index: 1000;
}

.header__nav a {
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--fs-lg);
  font-weight: 500;
  padding: var(--space-xs) var(--space-md);
  position: relative;
  transition: color var(--transition);
}

.header__nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--clr-accent);
  transition: width var(--transition);
  border-radius: 1px;
}

.header__nav a:hover,
.header__nav a.active {
  color: var(--clr-white);
}

.header__nav a:hover::after,
.header__nav a.active::after {
  width: 100%;
}

.header__cta {
  display: none;
  font-size: var(--fs-xs);
  padding: 0.6rem 1.4rem;
}

.header__hamburger {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
  z-index: 1001;
}

.header__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--clr-white);
  transition: all var(--transition);
  border-radius: 1px;
}

.header__hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5.5px, 5.5px);
}

.header__hamburger.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.header__hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5.5px, -5.5px);
}

/* ---------- Hero Section ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  background: var(--clr-primary);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background: url('../images/hero.svg') center/cover no-repeat;
  opacity: 0.25;
}

.hero__marble {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(197, 148, 58, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(197, 148, 58, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 100%, rgba(197, 148, 58, 0.04) 0%, transparent 40%),
    linear-gradient(160deg, rgba(26, 35, 50, 0.97) 0%, rgba(42, 58, 79, 0.92) 100%);
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: calc(var(--header-height) + var(--space-3xl)) 0 var(--space-3xl);
  max-width: 720px;
  margin: 0 auto;
}

.hero__badge {
  display: inline-block;
  padding: 0.4rem var(--space-lg);
  background: rgba(197, 148, 58, 0.12);
  border: 1px solid rgba(197, 148, 58, 0.25);
  border-radius: 50px;
  color: var(--clr-accent);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: var(--space-xl);
}

.hero__title {
  font-size: var(--fs-2xl);
  color: var(--clr-white);
  margin-bottom: var(--space-lg);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.hero__title span {
  color: var(--clr-accent);
  display: inline;
}

.hero__subtitle {
  font-size: var(--fs-base);
  color: rgba(255, 255, 255, 0.7);
  max-width: 520px;
  margin: 0 auto var(--space-xl);
  line-height: 1.8;
}

.hero__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: center;
}

.hero__actions .btn-primary {
  padding: 0.9rem 2.4rem;
  font-size: var(--fs-base);
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-3xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.hero__stat {
  text-align: center;
}

.hero__stat-number {
  font-family: var(--ff-heading);
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--clr-accent);
  line-height: 1;
}

.hero__stat-label {
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.5);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-top: var(--space-xs);
  font-weight: 500;
}

/* ---------- About Section ---------- */
.about {
  background: var(--clr-white);
}

.about__grid {
  display: grid;
  gap: var(--space-2xl);
}

.about__image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--clr-bg-alt);
  box-shadow: 0 8px 30px rgba(26, 35, 50, 0.12);
}

.about__image::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid rgba(197, 148, 58, 0.15);
  border-radius: var(--radius-lg);
  pointer-events: none;
}

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

.about__content h2 {
  margin-bottom: var(--space-lg);
}

.about__content h2 span {
  color: var(--clr-accent);
}

.about__content p {
  color: var(--clr-text-light);
  margin-bottom: var(--space-md);
  line-height: 1.8;
}

.about__features {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.about__feature {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm);
  border-radius: var(--radius-md);
  transition: background var(--transition);
}

.about__feature:hover {
  background: rgba(197, 148, 58, 0.05);
}

.about__feature-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(197, 148, 58, 0.1);
  border-radius: var(--radius-md);
  color: var(--clr-accent);
  transition: background var(--transition), transform var(--transition);
}

.about__feature:hover .about__feature-icon {
  background: rgba(197, 148, 58, 0.18);
  transform: scale(1.05);
}

.about__feature-icon svg {
  width: 22px;
  height: 22px;
}

.about__feature-text {
  font-weight: 600;
  font-size: var(--fs-sm);
  color: var(--clr-primary);
}

/* ---------- Services Section ---------- */
.services__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

.service-card {
  background: var(--clr-white);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl) var(--space-xl);
  text-align: center;
  border: 1px solid rgba(197, 148, 58, 0.1);
  border-top: 3px solid var(--clr-accent);
  box-shadow: 0 2px 16px var(--clr-shadow);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(197, 148, 58, 0.03) 0%, transparent 40%);
  pointer-events: none;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(26, 35, 50, 0.12);
  border-color: rgba(197, 148, 58, 0.2);
}

.service-card__icon {
  width: 72px;
  height: 72px;
  margin: 0 auto var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(197, 148, 58, 0.12) 0%, rgba(197, 148, 58, 0.06) 100%);
  border-radius: 50%;
  color: var(--clr-accent);
  transition: transform var(--transition), background var(--transition);
}

.service-card:hover .service-card__icon {
  transform: scale(1.08);
  background: linear-gradient(135deg, rgba(197, 148, 58, 0.2) 0%, rgba(197, 148, 58, 0.1) 100%);
}

.service-card__icon svg {
  width: 32px;
  height: 32px;
}

.service-card h3 {
  margin-bottom: var(--space-sm);
  font-size: var(--fs-md);
}

.service-card p {
  color: var(--clr-text-light);
  font-size: var(--fs-sm);
  line-height: 1.7;
}

/* ---------- Featured Projects Section ---------- */
.featured-projects {
  background: var(--clr-white);
}

.featured-projects__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

.project-card {
  background: var(--clr-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 2px 16px var(--clr-shadow);
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
  border: 1px solid rgba(0, 0, 0, 0.04);
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(26, 35, 50, 0.14);
}

.project-card__image {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--clr-bg-alt);
}

.project-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-card:hover .project-card__image img {
  transform: scale(1.06);
}

.project-card__tag {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  padding: 0.3rem var(--space-sm);
  background: var(--clr-accent);
  color: var(--clr-white);
  font-size: var(--fs-xs);
  font-weight: 700;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.project-card__content {
  padding: var(--space-lg) var(--space-xl);
}

.project-card__content h3 {
  margin-bottom: var(--space-xs);
  font-size: var(--fs-md);
  transition: color var(--transition);
}

.project-card:hover .project-card__content h3 {
  color: var(--clr-accent-dark);
}

.project-card__content p {
  color: var(--clr-text-light);
  font-size: var(--fs-sm);
  line-height: 1.7;
}

.project-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  margin-top: var(--space-md);
  font-weight: 600;
  font-size: var(--fs-sm);
  color: var(--clr-accent);
  transition: color var(--transition), gap var(--transition);
}

.project-card__link:hover {
  color: var(--clr-accent-dark);
  gap: var(--space-sm);
}

.project-card__link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition);
}

.project-card__link:hover svg {
  transform: translateX(4px);
}

/* ---------- CTA Section ---------- */
.cta {
  background: var(--clr-primary);
  position: relative;
  overflow: hidden;
}

.cta__marble {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 50%, rgba(197, 148, 58, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 80%, rgba(197, 148, 58, 0.06) 0%, transparent 50%);
}

.cta__content {
  position: relative;
  text-align: center;
  z-index: 1;
}

.cta__content h2 {
  color: var(--clr-white);
  margin-bottom: var(--space-md);
  font-size: var(--fs-xl);
}

.cta__content p {
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: var(--space-xl);
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.8;
}

.cta__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: center;
}

.cta__phone {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--clr-white);
  font-family: var(--ff-heading);
  font-size: var(--fs-lg);
  margin-top: var(--space-xl);
  text-decoration: none;
  transition: color var(--transition);
}

.cta__phone:hover {
  color: var(--clr-accent);
}

.cta__phone svg {
  width: 22px;
  height: 22px;
  color: var(--clr-accent);
}

/* ---------- Footer ---------- */
.footer {
  background: var(--clr-primary);
  color: rgba(255, 255, 255, 0.65);
  border-top: 1px solid rgba(197, 148, 58, 0.15);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  padding: var(--space-4xl) 0 var(--space-2xl);
}

.footer__brand p {
  margin-top: var(--space-md);
  font-size: var(--fs-sm);
  line-height: 1.8;
  max-width: 320px;
}

.footer h4 {
  color: var(--clr-white);
  font-family: var(--ff-body);
  font-size: var(--fs-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: var(--space-lg);
  position: relative;
  padding-bottom: var(--space-sm);
}

.footer h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 2px;
  background: var(--clr-accent);
  border-radius: 1px;
}

.footer__links li {
  margin-bottom: var(--space-sm);
}

.footer__links a {
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--fs-sm);
  transition: color var(--transition), padding-left var(--transition);
  display: inline-block;
}

.footer__links a:hover {
  color: var(--clr-accent);
  padding-left: 4px;
}

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  font-size: var(--fs-sm);
}

.footer__contact-item a {
  color: rgba(255, 255, 255, 0.65);
  transition: color var(--transition);
}

.footer__contact-item a:hover {
  color: var(--clr-accent);
}

.footer__contact-item svg {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  color: var(--clr-accent);
  margin-top: 3px;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: var(--space-lg) 0;
  text-align: center;
  font-size: var(--fs-xs);
  color: rgba(255, 255, 255, 0.4);
}

/* ---------- Page Hero (inner pages) ---------- */
.page-hero {
  background: var(--clr-primary);
  padding: calc(var(--header-height) + var(--space-4xl)) 0 var(--space-3xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero__marble {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(197, 148, 58, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(197, 148, 58, 0.05) 0%, transparent 40%),
    linear-gradient(160deg, rgba(26, 35, 50, 0.98) 0%, rgba(42, 58, 79, 0.95) 100%);
}

.page-hero__content {
  position: relative;
  z-index: 1;
}

.page-hero h1 {
  color: var(--clr-white);
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

.page-hero p {
  color: rgba(255, 255, 255, 0.6);
  max-width: 480px;
  margin: 0 auto;
  font-size: var(--fs-md);
}

.page-hero__breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, 0.4);
}

.page-hero__breadcrumb a {
  color: rgba(255, 255, 255, 0.4);
  transition: color var(--transition);
}

.page-hero__breadcrumb a:hover {
  color: var(--clr-accent);
}

.page-hero__breadcrumb .separator {
  color: var(--clr-accent);
  font-size: var(--fs-xs);
}

/* ---------- Diensten Page ---------- */
.diensten-detail {
  background: var(--clr-white);
}

.diensten-detail:nth-child(even) {
  background: var(--clr-bg);
}

.dienst-item {
  display: grid;
  gap: var(--space-2xl);
  align-items: center;
}

.dienst-item__image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16/10;
  background: var(--clr-bg-alt);
  box-shadow: 0 4px 20px var(--clr-shadow);
}

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

.dienst-item__content {
  order: -1;
}

.dienst-item__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(197, 148, 58, 0.15) 0%, rgba(197, 148, 58, 0.05) 100%);
  border-radius: var(--radius-md);
  color: var(--clr-accent);
  margin-bottom: var(--space-lg);
}

.dienst-item__icon svg {
  width: 28px;
  height: 28px;
}

.dienst-item__content h3 {
  margin-bottom: var(--space-md);
  font-size: var(--fs-xl);
}

.dienst-item__content p {
  color: var(--clr-text-light);
  margin-bottom: var(--space-lg);
  line-height: 1.8;
}

.dienst-item__list {
  margin-bottom: var(--space-xl);
}

.dienst-item__list li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.4rem 0;
  font-size: var(--fs-sm);
  color: var(--clr-text);
  transition: padding-left var(--transition);
}

.dienst-item__list li:hover {
  padding-left: 4px;
}

.dienst-item__list li svg {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  color: var(--clr-accent);
}

/* ---------- Projecten Page ---------- */
.projects-filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
  margin-bottom: var(--space-2xl);
}

.filter-btn {
  padding: 0.45rem var(--space-lg);
  border: 2px solid var(--clr-border);
  background: var(--clr-white);
  border-radius: 50px;
  font-family: var(--ff-body);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--clr-text-light);
  cursor: pointer;
  transition: all var(--transition);
}

.filter-btn:hover {
  border-color: var(--clr-accent);
  color: var(--clr-accent);
  background: rgba(197, 148, 58, 0.05);
}

.filter-btn.active {
  border-color: var(--clr-accent);
  background: var(--clr-accent);
  color: var(--clr-white);
  box-shadow: 0 2px 10px rgba(197, 148, 58, 0.3);
}

.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

.project-detail-card {
  background: var(--clr-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 2px 16px var(--clr-shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  border: 1px solid rgba(0, 0, 0, 0.04);
}

.project-detail-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(26, 35, 50, 0.12);
}

.project-detail-card__slider {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--clr-bg-alt);
}

.project-detail-card__images {
  position: relative;
  width: 100%;
  height: 100%;
}

.project-detail-card__images img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-detail-card__images img.before-img {
  z-index: 1;
  clip-path: inset(0 50% 0 0);
}

.project-detail-card__images img.after-img {
  z-index: 0;
}

.slider-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 4px;
  background: var(--clr-white);
  z-index: 2;
  cursor: ew-resize;
  transform: translateX(-50%);
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.2);
}

.slider-handle::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 36px;
  height: 36px;
  background: var(--clr-white);
  border-radius: 50%;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
  border: 2px solid var(--clr-accent);
}

.slider-handle::after {
  content: '\2194';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 16px;
  color: var(--clr-accent);
  z-index: 3;
  font-weight: 700;
}

.slider-label {
  position: absolute;
  bottom: var(--space-md);
  padding: 0.25rem var(--space-sm);
  background: rgba(26, 35, 50, 0.85);
  backdrop-filter: blur(4px);
  color: var(--clr-white);
  font-size: var(--fs-xs);
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  z-index: 3;
}

.slider-label.before {
  left: var(--space-md);
}

.slider-label.after {
  right: var(--space-md);
}

.project-detail-card__content {
  padding: var(--space-lg) var(--space-xl);
}

.project-detail-card__tag {
  display: inline-block;
  padding: 0.2rem var(--space-sm);
  background: rgba(197, 148, 58, 0.1);
  color: var(--clr-accent);
  font-size: var(--fs-xs);
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--space-sm);
}

.project-detail-card__content h3 {
  margin-bottom: var(--space-sm);
}

.project-detail-card__content p {
  color: var(--clr-text-light);
  font-size: var(--fs-sm);
  line-height: 1.7;
}

.project-detail-card__date {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-top: var(--space-md);
  font-size: var(--fs-xs);
  color: var(--clr-text-light);
}

.project-detail-card__date svg {
  width: 14px;
  height: 14px;
  color: var(--clr-accent);
}

.projects-empty {
  text-align: center;
  padding: var(--space-3xl);
  color: var(--clr-text-light);
}

/* ---------- Contact Page ---------- */
.contact-section {
  background: var(--clr-white);
}

.contact__grid {
  display: grid;
  gap: var(--space-2xl);
}

.contact__info-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-lg);
  padding: var(--space-lg);
  background: var(--clr-bg);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  transition: transform var(--transition), box-shadow var(--transition);
  border: 1px solid transparent;
}

.contact__info-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px var(--clr-shadow);
  border-color: rgba(197, 148, 58, 0.15);
}

.contact__info-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(197, 148, 58, 0.1);
  border-radius: var(--radius-md);
  color: var(--clr-accent);
  transition: background var(--transition);
}

.contact__info-card:hover .contact__info-icon {
  background: rgba(197, 148, 58, 0.18);
}

.contact__info-icon svg {
  width: 22px;
  height: 22px;
}

.contact__info-card h4 {
  font-size: var(--fs-sm);
  margin-bottom: var(--space-xs);
  font-family: var(--ff-body);
  font-weight: 700;
}

.contact__info-card h4::after {
  display: none;
}

.contact__info-card p,
.contact__info-card a {
  font-size: var(--fs-sm);
  color: var(--clr-text-light);
}

.contact__info-card a:hover {
  color: var(--clr-accent);
}

.contact__hours {
  padding: var(--space-lg);
  background: var(--clr-bg);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--clr-accent);
}

.contact__hours h4 {
  margin-bottom: var(--space-md);
  font-size: var(--fs-sm);
  font-family: var(--ff-body);
  font-weight: 700;
}

.contact__hours h4::after {
  display: none;
}

.contact__hours-row {
  display: flex;
  justify-content: space-between;
  padding: var(--space-xs) 0;
  font-size: var(--fs-sm);
  border-bottom: 1px solid var(--clr-border);
}

.contact__hours-row:last-child {
  border-bottom: none;
}

.contact__form {
  background: var(--clr-bg);
  padding: var(--space-2xl);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(197, 148, 58, 0.08);
}

.contact__form h3 {
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-md);
  border-bottom: 2px solid rgba(197, 148, 58, 0.15);
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: var(--fs-sm);
  color: var(--clr-primary);
  margin-bottom: var(--space-xs);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 2px solid var(--clr-border);
  border-radius: var(--radius-md);
  font-family: var(--ff-body);
  font-size: var(--fs-base);
  color: var(--clr-text);
  background: var(--clr-white);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--clr-accent);
  box-shadow: 0 0 0 3px rgba(197, 148, 58, 0.12);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--clr-border);
}

.form-group textarea {
  resize: vertical;
  min-height: 130px;
}

.contact__map {
  margin-top: var(--space-2xl);
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16/9;
  background: var(--clr-bg-alt);
  box-shadow: 0 4px 20px var(--clr-shadow);
}

.contact__map iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* ---------- Admin Page ---------- */
.admin-login {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--clr-bg);
  padding: var(--space-xl);
}

.admin-login__card {
  background: var(--clr-white);
  padding: var(--space-2xl);
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 24px var(--clr-shadow);
  width: 100%;
  max-width: 400px;
  text-align: center;
}

.admin-login__card svg {
  color: var(--clr-accent);
}

.admin-login__card h2 {
  margin-top: var(--space-md);
  margin-bottom: var(--space-xs);
}

.admin-login__card > p {
  color: var(--clr-text-light);
  font-size: var(--fs-sm);
  margin-bottom: var(--space-xl);
}

.admin-login__card .form-group {
  text-align: left;
}

.admin-login__error {
  color: #c0392b;
  font-size: var(--fs-sm);
  margin-top: var(--space-sm);
  display: none;
}

.admin-dashboard {
  display: none;
  min-height: 100vh;
  background: var(--clr-bg);
}

.admin-dashboard.active {
  display: block;
}

.admin-header {
  background: var(--clr-primary);
  padding: var(--space-lg) 0;
  color: var(--clr-white);
}

.admin-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.admin-header h1 {
  color: var(--clr-white);
  font-size: var(--fs-lg);
}

.admin-content {
  padding: var(--space-2xl) 0;
}

.admin-toolbar {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.admin-project-list {
  display: grid;
  gap: var(--space-lg);
}

.admin-project-item {
  background: var(--clr-white);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: 0 2px 12px var(--clr-shadow);
  display: grid;
  gap: var(--space-md);
}

.admin-project-item__images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.admin-project-item__images img {
  border-radius: var(--radius-sm);
  aspect-ratio: 16/10;
  object-fit: cover;
  background: var(--clr-bg-alt);
}

.admin-project-item__info h3 {
  font-size: var(--fs-md);
  margin-bottom: var(--space-xs);
}

.admin-project-item__info p {
  font-size: var(--fs-sm);
  color: var(--clr-text-light);
}

.admin-project-item__meta {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  font-size: var(--fs-xs);
}

.admin-project-item__meta span {
  padding: var(--space-xs) var(--space-sm);
  background: var(--clr-bg);
  border-radius: var(--radius-sm);
  color: var(--clr-text-light);
}

.admin-project-item__actions {
  display: flex;
  gap: var(--space-sm);
}

.btn-edit,
.btn-delete {
  padding: var(--space-xs) var(--space-md);
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--ff-body);
  font-size: var(--fs-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-edit {
  background: var(--clr-accent);
  color: var(--clr-white);
}

.btn-edit:hover {
  background: var(--clr-accent-hover);
  transform: translateY(-1px);
}

.btn-delete {
  background: #e74c3c;
  color: var(--clr-white);
}

.btn-delete:hover {
  background: #c0392b;
  transform: translateY(-1px);
}

/* Admin Modal */
.admin-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
}

.admin-modal.active {
  display: flex;
}

.admin-modal__content {
  background: var(--clr-white);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  padding: var(--space-2xl);
}

.admin-modal__content h2 {
  margin-bottom: var(--space-xl);
}

.admin-modal__footer {
  display: flex;
  gap: var(--space-md);
  justify-content: flex-end;
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--clr-border);
}

.image-upload {
  position: relative;
}

.image-upload__preview {
  width: 100%;
  aspect-ratio: 16/10;
  background: var(--clr-bg);
  border: 2px dashed var(--clr-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-top: var(--space-xs);
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
}

.image-upload__preview:hover {
  border-color: var(--clr-accent);
  background: rgba(197, 148, 58, 0.03);
}

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

.image-upload__placeholder {
  text-align: center;
  color: var(--clr-text-light);
  font-size: var(--fs-sm);
}

.image-upload__placeholder svg {
  width: 32px;
  height: 32px;
  margin-bottom: var(--space-xs);
  color: var(--clr-border);
}

.image-upload input[type="file"] {
  display: none;
}

/* Project preview */
.admin-preview {
  background: var(--clr-bg);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin-top: var(--space-lg);
}

.admin-preview h4 {
  font-size: var(--fs-sm);
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--clr-text-light);
  margin-bottom: var(--space-md);
}

/* Download banner */
.admin-download-banner {
  display: none;
  background: #27ae60;
  color: var(--clr-white);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-xl);
  text-align: center;
}

.admin-download-banner.active {
  display: block;
}

.admin-download-banner p {
  margin-bottom: var(--space-md);
  font-size: var(--fs-sm);
}

/* Loading overlay */
.admin-loading {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 3000;
  background: rgba(26, 35, 50, 0.7);
  backdrop-filter: blur(4px);
  align-items: center;
  justify-content: center;
}

.admin-loading.active {
  display: flex;
}

.admin-loading__inner {
  text-align: center;
  color: var(--clr-white);
}

.admin-loading__spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255, 255, 255, 0.2);
  border-top-color: var(--clr-accent);
  border-radius: 50%;
  margin: 0 auto var(--space-md);
  animation: admin-spin 0.7s linear infinite;
}

@keyframes admin-spin {
  to { transform: rotate(360deg); }
}

.admin-loading__text {
  font-size: var(--fs-sm);
  font-weight: 500;
}

/* Toast notification */
.admin-toast {
  position: fixed;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--clr-white);
  z-index: 4000;
  opacity: 0;
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.35s ease;
  pointer-events: none;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
  max-width: 90vw;
  text-align: center;
}

.admin-toast.active {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.admin-toast--success {
  background: #27ae60;
}

.admin-toast--error {
  background: #e74c3c;
}

.admin-toast--info {
  background: var(--clr-primary);
}

.admin-instructions {
  background: var(--clr-bg);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin-top: var(--space-xl);
  border-left: 3px solid var(--clr-accent);
}

.admin-instructions h4 {
  font-size: var(--fs-sm);
  margin-bottom: var(--space-md);
}

.admin-instructions ol {
  list-style: decimal;
  padding-left: var(--space-xl);
  font-size: var(--fs-sm);
  color: var(--clr-text-light);
}

.admin-instructions li {
  margin-bottom: var(--space-xs);
}

.form-group .checkbox-group {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.form-group .checkbox-group input[type="checkbox"] {
  width: auto;
  accent-color: var(--clr-accent);
}

/* ---------- Responsive: 480px+ ---------- */
@media (min-width: 480px) {
  .hero__title {
    font-size: var(--fs-3xl);
  }

  .hero__subtitle {
    font-size: var(--fs-md);
  }

  .hero__actions {
    flex-direction: row;
    justify-content: center;
  }

  .hero__stats {
    max-width: 420px;
    margin-left: auto;
    margin-right: auto;
  }

  .hero__stat-number {
    font-size: var(--fs-2xl);
  }

  .cta__actions {
    flex-direction: row;
    justify-content: center;
  }

  .admin-toolbar {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

/* ---------- Responsive: 768px+ ---------- */
@media (min-width: 768px) {
  h1 { font-size: var(--fs-3xl); }
  h2 { font-size: var(--fs-2xl); }
  h3 { font-size: var(--fs-xl); }

  .section {
    padding: var(--space-5xl) 0;
  }

  .section-title {
    margin-bottom: var(--space-3xl);
  }

  .header__nav {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    position: static;
    background: none;
  }

  .header__nav a {
    font-size: var(--fs-sm);
    padding: var(--space-xs) var(--space-sm);
  }

  .header__cta {
    display: inline-flex;
  }

  .header__hamburger {
    display: none;
  }

  .hero__title {
    font-size: var(--fs-4xl);
  }

  .hero__stats {
    max-width: 520px;
  }

  .hero__stat-number {
    font-size: var(--fs-2xl);
  }

  .about__grid {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: var(--space-3xl);
  }

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

  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .featured-projects__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .dienst-item {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
  }

  .dienst-item__content {
    order: 0;
  }

  .dienst-item--reverse .dienst-item__content {
    order: 1;
  }

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

  .footer__grid {
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-3xl);
  }

  .cta__content h2 {
    font-size: var(--fs-2xl);
  }

  .page-hero {
    padding: calc(var(--header-height) + var(--space-5xl)) 0 var(--space-4xl);
  }

  .page-hero h1 {
    font-size: var(--fs-4xl);
  }
}

/* ---------- Responsive: 1024px+ ---------- */
@media (min-width: 1024px) {
  .hero__title {
    font-size: var(--fs-5xl);
  }

  .hero__content {
    max-width: 800px;
  }

  .hero__stats {
    max-width: 640px;
  }

  .hero__stat-number {
    font-size: var(--fs-3xl);
  }

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

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

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

  .cta__content h2 {
    font-size: var(--fs-3xl);
  }

  .header__nav {
    gap: var(--space-lg);
  }
}

/* ---------- Responsive: 1200px+ ---------- */
@media (min-width: 1200px) {
  .container {
    padding: 0 var(--space-xl);
  }

  .services__grid {
    grid-template-columns: repeat(5, 1fr);
  }

  .footer__grid {
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
  }
}