/* ========================================
   Van Dijk Beschoeiingen – Stylesheet
   ======================================== */

:root {
  --color-primary: #0c4a6e;
  --color-primary-dark: #082f49;
  --color-primary-light: #0369a1;
  --color-accent: #b45309;
  --color-accent-light: #d97706;
  --color-bg: #f8fafc;
  --color-bg-alt: #f1f5f9;
  --color-surface: #ffffff;
  --color-text: #1e293b;
  --color-text-muted: #64748b;
  --color-border: #e2e8f0;
  --color-success: #16a34a;
  --color-whatsapp: #25d366;

  --font-heading: 'Outfit', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 40px -10px rgba(0, 0, 0, 0.15);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --header-height: 72px;
  --transition: 0.25s ease;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

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

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

ul {
  list-style: none;
}

address {
  font-style: normal;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 9999;
  padding: 0.75rem 1.25rem;
  background: var(--color-primary);
  color: white;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.skip-link:focus {
  top: 1rem;
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

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

.btn--primary:hover {
  background: var(--color-accent-light);
  border-color: var(--color-accent-light);
  color: white;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  background: transparent;
  color: white;
  border-color: rgba(255, 255, 255, 0.6);
}

.btn--outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: white;
  color: white;
}

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

.btn--white:hover {
  background: var(--color-bg);
  color: var(--color-primary-dark);
}

.btn--outline-white {
  background: transparent;
  color: white;
  border-color: rgba(255, 255, 255, 0.5);
}

.btn--outline-white:hover {
  background: rgba(255, 255, 255, 0.15);
  color: white;
  border-color: white;
}

.btn--sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn--lg {
  padding: 0.9375rem 2rem;
  font-size: 1rem;
}

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

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}

.header--scrolled {
  box-shadow: var(--shadow-md);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  color: var(--color-primary);
  text-decoration: none;
}

.logo:hover {
  color: var(--color-primary);
}

.logo__icon {
  width: 40px;
  height: 40px;
  color: var(--color-primary-light);
  flex-shrink: 0;
}

.logo__text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.logo__text strong {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 700;
}

.logo__text span {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.nav__list {
  display: flex;
  gap: 2rem;
}

.nav__link {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--color-text);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
}

.nav__link:hover {
  color: var(--color-primary);
}

.nav__link:hover::after {
  width: 100%;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.header__phone {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-primary);
  text-decoration: none;
}

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

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

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

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

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

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 55%;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(8, 47, 73, 0.88) 0%,
    rgba(12, 74, 110, 0.75) 50%,
    rgba(8, 47, 73, 0.85) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 1;
  padding: 4rem 1.25rem;
  max-width: 780px;
}

.hero__badge {
  display: inline-block;
  padding: 0.375rem 1rem;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-full);
  color: rgba(255, 255, 255, 0.95);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  color: white;
  margin-bottom: 1.25rem;
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.1875rem);
  color: rgba(255, 255, 255, 0.88);
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 600px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.hero__features {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.hero__features li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.9375rem;
  font-weight: 500;
}

.hero__features svg {
  width: 20px;
  height: 20px;
  color: var(--color-accent-light);
  flex-shrink: 0;
}

/* Trust bar */
.trust-bar {
  background: var(--color-primary-dark);
  padding: 1.25rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.trust-bar__inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  text-align: center;
}

.trust-bar__item strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-weight: 800;
  color: var(--color-accent-light);
  line-height: 1.2;
}

.trust-bar__item span {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 500;
}

/* Sections */
.section {
  padding: 5rem 0;
}

.section--services {
  background: var(--color-surface);
}

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

.section--usp {
  background: var(--color-primary-dark);
  color: white;
}

.section--projects {
  background: var(--color-surface);
}

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

.section__header {
  margin-bottom: 3rem;
  max-width: 640px;
}

.section__header--center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.section__label {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.section--usp .section__label {
  color: var(--color-accent-light);
}

.section__header h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--color-primary-dark);
}

.section--usp .section__header h2 {
  color: white;
}

.section__header p {
  color: var(--color-text-muted);
  font-size: 1.0625rem;
}

.section--usp .section__header p {
  color: rgba(255, 255, 255, 0.75);
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.service-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}

.service-card--featured {
  background: var(--color-surface);
  padding: 0;
}

.service-card--featured:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.service-card__media {
  display: block;
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  text-decoration: none;
}

.service-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

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

.service-card__tag {
  position: absolute;
  top: 0.875rem;
  left: 0.875rem;
  padding: 0.3125rem 0.75rem;
  background: var(--color-accent);
  color: white;
  font-family: var(--font-heading);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
}

.service-card__body {
  padding: 1.5rem;
}

.service-card__body h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 0.625rem;
}

.service-card__body p {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  margin-bottom: 1rem;
  line-height: 1.6;
}

.service-card__link {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-accent);
}

.service-card__link:hover {
  color: var(--color-accent-light);
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-grid__image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.about-grid__image img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.about-grid__badge {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  background: white;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

.about-grid__badge strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}

.about-grid__badge span {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
}

.about-grid__content h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 1.25rem;
  line-height: 1.25;
}

.about-grid__content p {
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.about-list {
  margin: 1.5rem 0 2rem;
}

.about-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.625rem 0;
  font-size: 0.9375rem;
}

.about-list svg {
  width: 20px;
  height: 20px;
  color: var(--color-success);
  flex-shrink: 0;
  margin-top: 2px;
}

/* USP Grid */
.usp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.usp-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: background var(--transition);
}

.usp-card:hover {
  background: rgba(255, 255, 255, 0.1);
}

.usp-card__number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-accent-light);
  opacity: 0.6;
  line-height: 1;
  margin-bottom: 1rem;
}

.usp-card h3 {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 0.625rem;
}

.usp-card p {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
}

/* Process */
.section--process {
  background: var(--color-bg);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.process-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

.process-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.process-card__image {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

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

.process-card__step {
  position: absolute;
  top: 1rem;
  left: 1rem;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent);
  color: white;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.875rem;
  border-radius: 50%;
  box-shadow: var(--shadow-md);
}

.process-card h3 {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  padding: 1.25rem 1.25rem 0.5rem;
}

.process-card p {
  padding: 0 1.25rem 1.25rem;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  line-height: 1.6;
}

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

.project-filter {
  padding: 0.5625rem 1.125rem;
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-muted);
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition);
}

.project-filter:hover {
  border-color: var(--color-primary-light);
  color: var(--color-primary);
}

.project-filter.is-active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.project-card {
  display: block;
  width: 100%;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
  text-align: left;
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

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

.project-card__image {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-bg-alt);
}

.project-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

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

.project-card__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(8, 47, 73, 0.45);
  opacity: 0;
  transition: opacity var(--transition);
  color: white;
}

.project-card__overlay svg {
  width: 36px;
  height: 36px;
}

.project-card:hover .project-card__overlay {
  opacity: 1;
}

.project-card__caption {
  display: block;
  padding: 0.875rem 1rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-primary-dark);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(8, 47, 73, 0.92);
  backdrop-filter: blur(8px);
  padding: 1rem;
}

.lightbox[hidden] {
  display: none;
}

body.lightbox-open {
  overflow: hidden;
}

.lightbox__content {
  max-width: min(1100px, 92vw);
  max-height: 85vh;
  margin: 0;
}

.lightbox__content img {
  max-width: 100%;
  max-height: 75vh;
  width: auto;
  height: auto;
  margin: 0 auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
}

.lightbox__content figcaption {
  text-align: center;
  color: rgba(255, 255, 255, 0.9);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  margin-top: 1rem;
}

.lightbox__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  color: white;
  cursor: pointer;
  transition: background var(--transition);
}

.lightbox__close:hover {
  background: rgba(255, 255, 255, 0.2);
}

.lightbox__close svg {
  width: 22px;
  height: 22px;
}

.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  color: white;
  cursor: pointer;
  transition: background var(--transition);
}

.lightbox__nav:hover {
  background: rgba(255, 255, 255, 0.2);
}

.lightbox__nav svg {
  width: 24px;
  height: 24px;
}

.lightbox__nav--prev { left: 1rem; }
.lightbox__nav--next { right: 1rem; }

/* CTA Banner */
.cta-banner {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
  padding: 4rem 0;
}

.cta-banner__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.cta-banner h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: white;
  margin-bottom: 0.5rem;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.0625rem;
}

.cta-banner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: start;
}

.contact-grid__info h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 1rem;
}

.contact-grid__info > p {
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.contact-details__item {
  display: flex;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-border);
}

.contact-details__item svg {
  width: 22px;
  height: 22px;
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-details__item strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: 0.25rem;
}

.contact-details__item a {
  color: var(--color-primary);
  font-weight: 600;
}

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

/* Contact Form */
.contact-form-wrapper {
  position: relative;
}

.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  transition: opacity var(--transition), transform var(--transition);
}

.contact-form--hidden {
  display: none;
}

.contact-form__header {
  margin-bottom: 1.5rem;
}

.contact-form__title {
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 0.375rem;
}

.contact-form__subtitle {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin: 0;
}

.form-group {
  margin-bottom: 1.25rem;
}

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

.form-group label {
  display: block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-text);
  margin-bottom: 0.375rem;
}

.form-group label .required {
  color: var(--color-accent);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.8125rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover {
  border-color: #cbd5e1;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 4px rgba(3, 105, 161, 0.12);
  background: var(--color-surface);
}

.form-group input.is-invalid,
.form-group select.is-invalid,
.form-group textarea.is-invalid {
  border-color: #ef4444;
  background: #fef2f2;
}

.form-group input.is-invalid:focus,
.form-group textarea.is-invalid:focus {
  box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.12);
}

.form-group input.is-valid:not(:placeholder-shown),
.form-group textarea.is-valid:not(:placeholder-shown) {
  border-color: #22c55e;
}

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

.form-select-wrap {
  position: relative;
}

.form-select-wrap select {
  appearance: none;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-select-icon {
  position: absolute;
  right: 0.875rem;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--color-text-muted);
  pointer-events: none;
}

.form-error {
  display: block;
  margin-top: 0.375rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: #dc2626;
  min-height: 0;
}

.form-error:not(:empty) {
  min-height: 1.25rem;
}

.form-hint {
  display: block;
  margin-top: 0.375rem;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.form-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

.form-privacy {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  padding: 0.875rem 1rem;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  margin-bottom: 1.25rem;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.form-privacy svg {
  width: 16px;
  height: 16px;
  color: var(--color-primary-light);
  flex-shrink: 0;
  margin-top: 1px;
}

/* Form alert */
.form-alert {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.25rem;
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1.5;
}

.form-alert[hidden] {
  display: none;
}

.form-alert--error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
}

.form-alert svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 1px;
}

/* Submit button loader */
.btn__loader {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn__spinner {
  width: 18px;
  height: 18px;
  animation: spin 0.8s linear infinite;
}

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

.btn.is-loading {
  pointer-events: none;
  opacity: 0.85;
}

.btn.is-loading .btn__text {
  display: none;
}

.btn.is-loading .btn__loader {
  display: inline-flex;
}

.btn.is-loading .btn__loader[hidden] {
  display: inline-flex;
}

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

.btn--outline-dark:hover {
  background: var(--color-bg);
  border-color: var(--color-primary-light);
  color: var(--color-primary);
}

/* Success feedback panel */
.form-feedback {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  box-shadow: var(--shadow-md);
  text-align: center;
}

.form-feedback[hidden] {
  display: none;
}

.form-feedback__icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #dcfce7 0%, #bbf7d0 100%);
  border-radius: 50%;
  color: #16a34a;
}

.form-feedback__icon svg {
  width: 36px;
  height: 36px;
}

.form-feedback__title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 0.75rem;
}

.form-feedback__text {
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1.6;
  max-width: 400px;
  margin: 0 auto 1rem;
}

.form-feedback__email-note {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1rem;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-radius: var(--radius-full);
  color: #1d4ed8;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
}

.form-feedback__email-note[hidden] {
  display: none;
}

.form-feedback__email-note svg {
  width: 16px;
  height: 16px;
}

.form-feedback__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-top: 0.5rem;
}

.contact-form__note {
  margin-top: 1rem;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  text-align: center;
}

.contact-form__note a {
  color: var(--color-primary-light);
  font-weight: 600;
}

/* Footer */
.footer {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.85);
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  padding: 4rem 1.25rem 3rem;
}

.logo--footer {
  color: white;
  margin-bottom: 1rem;
}

.logo--footer .logo__text span {
  color: rgba(255, 255, 255, 0.6);
}

.footer__brand p {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.6;
  max-width: 320px;
  margin-bottom: 1.25rem;
}

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

.footer__social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-full);
  color: rgba(255, 255, 255, 0.85);
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 600;
  text-decoration: none;
  transition: background var(--transition), border-color var(--transition);
}

.footer__social-link:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
  color: white;
}

.footer__social-link svg {
  width: 18px;
  height: 18px;
}

.footer__links h4 {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: white;
  margin-bottom: 1.25rem;
}

.footer__links li {
  margin-bottom: 0.625rem;
  font-size: 0.9375rem;
}

.footer__links a {
  color: rgba(255, 255, 255, 0.7);
}

.footer__links a:hover {
  color: white;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1.25rem 0;
}

.footer__bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.5);
}

.footer__bottom a {
  color: rgba(255, 255, 255, 0.8);
  font-weight: 600;
}

.footer__bottom a:hover {
  color: white;
}

/* WhatsApp Button */
.whatsapp-btn {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 900;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-whatsapp);
  color: white;
  border-radius: 50%;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.45);
  transition: transform var(--transition), box-shadow var(--transition);
}

.whatsapp-btn svg {
  width: 32px;
  height: 32px;
}

.whatsapp-btn:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.55);
  color: white;
}

/* Responsive */
@media (max-width: 1024px) {
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

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

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

  .trust-bar__inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }

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

  .footer__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: white;
    border-bottom: 1px solid var(--color-border);
    padding: 1rem 1.25rem 1.5rem;
    transform: translateY(-110%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
    box-shadow: var(--shadow-lg);
  }

  .nav--open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav__list {
    flex-direction: column;
    gap: 0;
  }

  .nav__link {
    display: block;
    padding: 0.875rem 0;
    border-bottom: 1px solid var(--color-border);
  }

  .nav-toggle {
    display: flex;
  }

  .header__phone span {
    display: none;
  }

  .header__actions .btn--sm {
    display: none;
  }

  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .btn {
    width: 100%;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .cta-banner__inner {
    flex-direction: column;
    text-align: center;
  }

  .cta-banner__actions {
    justify-content: center;
    width: 100%;
  }

  .cta-banner__actions .btn {
    flex: 1;
    min-width: 140px;
  }

  .footer__inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer__bottom-inner {
    flex-direction: column;
    text-align: center;
  }

  .section {
    padding: 3.5rem 0;
  }
}

@media (max-width: 480px) {
  .hero__features {
    flex-direction: column;
    gap: 0.75rem;
  }

  .whatsapp-btn {
    width: 54px;
    height: 54px;
    bottom: 1rem;
    right: 1rem;
  }

  .whatsapp-btn svg {
    width: 28px;
    height: 28px;
  }
}