:root {
  --color-background: #ffffff;
  --color-surface: #f5f5f5;
  --color-divider: #e5e5e5;
  --color-text: #0a0a0a;
  --color-accent: #00adb5;
  --color-button-primary: #0a0a0a;
  --color-button-primary-hover: #f0c76c;
  --font-sans: "Inter", "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --container-max: 1200px;
  --grid-columns: 12;
  --gutter: clamp(1.25rem, 1.5vw, 2rem);
  --section-padding: clamp(5rem, 8vw, 8rem);
  --transition-speed: 220ms;
}

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

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-background);
}

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

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

a::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  bottom: -0.2em;
  height: 1px;
  background: currentColor;
  opacity: 0;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-speed) ease, opacity var(--transition-speed) ease;
}

a:hover::after,
a:focus-visible::after {
  opacity: 1;
  transform: scaleX(1);
}

.button::after {
  content: none;
}

.container {
  width: min(100% - (var(--gutter) * 2), var(--container-max));
  margin-inline: auto;
}

.section-heading {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.36em;
  text-transform: uppercase;
  font-weight: 500;
  color: rgba(10, 10, 10, 0.6);
}

h1,
h2,
h3 {
  font-family: "Poppins", var(--font-sans);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0;
}

h1 {
  font-size: clamp(2.8rem, 6vw, 4.2rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
}

h3 {
  font-size: clamp(1.2rem, 2vw, 1.4rem);
}

p {
  margin: 0;
}

.lead {
  font-size: clamp(1.1rem, 1.8vw, 1.4rem);
  max-width: 42ch;
  color: rgba(10, 10, 10, 0.75);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.6rem;
  background: var(--color-button-primary);
  color: #ffffff;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.8rem;
  transition: background var(--transition-speed) ease, color var(--transition-speed) ease, transform var(--transition-speed) ease;
  border: none;
  cursor: pointer;
}

.button.secondary {
  background: transparent;
  color: var(--color-text);
}

.button.secondary:hover,
.button.secondary:focus-visible {
  background: var(--color-text);
  color: var(--color-background);
  transform: translateY(-2px);
}

.button:not(.secondary):hover,
.button:not(.secondary):focus-visible {
  transform: translateY(-2px);
  background: var(--color-button-primary-hover);
  color: #0a0a0a;
}

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  padding: 1.5rem 0;
  z-index: 999;
  transition: background var(--transition-speed) ease, border-color var(--transition-speed) ease, padding var(--transition-speed) ease;
}

.site-header.scrolled {
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--color-divider);
  padding: 1rem 0;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100% - (var(--gutter) * 2), var(--container-max));
  margin-inline: auto;
  gap: 1rem;
}

.brand {
  font-size: 0.9rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  font-weight: 600;
}

.main-nav {
  display: flex;
  gap: 2rem;
  font-size: 0.85rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.main-nav a::after {
  bottom: -0.4em;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: flex-end;
  gap: 0.35rem;
  width: 2.2rem;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
}

.menu-toggle span {
  height: 2px;
  width: 100%;
  background: var(--color-text);
  transition: transform var(--transition-speed) ease, opacity var(--transition-speed) ease;
}

.menu-toggle span:last-child {
  width: 70%;
}

.menu-toggle[aria-expanded="true"] span:first-child {
  transform: rotate(45deg) translate(4px, 5px);
}

.menu-toggle[aria-expanded="true"] span:last-child {
  transform: rotate(-45deg) translate(4px, -5px);
  width: 100%;
}

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 1.5rem;
  padding: 1.5rem var(--gutter) 2rem;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--color-divider);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.8rem;
}

.mobile-nav.active {
  display: flex;
}

.hero {
  position: relative;
  min-height: clamp(90vh, 95vh, 100vh);
  display: grid;
  align-items: center;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.55) 45%, rgba(255, 255, 255, 0) 70%);
  pointer-events: none;
  z-index: 1;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: clamp(5rem, 12vh, 8rem);
  background: linear-gradient(0deg, rgba(255, 255, 255, 1) 0%, rgba(255, 255, 255, 0) 100%);
  pointer-events: none;
  z-index: 1;
}

.hero-media {
  position: absolute;
  inset: 0;
  background: url("images/hero-bonaire.jpg") center/cover no-repeat;
  filter: grayscale(12%);
  transform: scale(1.02);
}

.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding-top: clamp(8rem, 12vh, 10rem);
  padding-bottom: clamp(6rem, 10vh, 8rem);
}

.hero-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.about {
  padding: clamp(4rem, 6vw, 6.5rem) 0;
}

.about-content {
  max-width: 780px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  text-align: left;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1rem, 2vw, 1.5rem);
}

.values-grid .value {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-divider);
}

.values-grid span {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.75rem;
  font-weight: 500;
}

.quote {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  font-style: italic;
  letter-spacing: -0.01em;
  color: rgba(10, 10, 10, 0.75);
}

.projects {
  padding: clamp(4rem, 6vw, 6.5rem) 0;
  background: var(--color-background);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(1.5rem, 3vw, 2rem);
}

.project-card {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  isolation: isolate;
}

.project-card img {
  width: 100%;
  height: clamp(260px, 30vh, 320px);
  object-fit: cover;
  transition: transform 600ms ease;
  filter: grayscale(18%);
}

.project-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 10, 10, 0) 40%, rgba(10, 10, 10, 0.72));
  opacity: 0.85;
  transition: opacity var(--transition-speed) ease;
}

.project-overlay {
  position: absolute;
  inset: auto 0 0 0;
  padding: 2rem 1.8rem;
  color: #ffffff;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  z-index: 1;
}

.project-card:hover img,
.project-card:focus-visible img {
  transform: scale(1.06);
}

.project-card:hover::after,
.project-card:focus-visible::after {
  opacity: 1;
}

.services {
  padding: clamp(4rem, 6vw, 6.5rem) 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(2rem, 3vw, 3rem);
}

.service-card {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.service-card .icon {
  width: 64px;
  height: 64px;
}

.service-card svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: var(--color-text);
  stroke-width: 1.5;
}

.contact {
  padding: clamp(4rem, 6vw, 6.5rem) 0;
  background: var(--color-surface);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--gutter);
}

.contact-intro {
  grid-column: span 5;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.addresses {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.addresses span {
  text-transform: uppercase;
  letter-spacing: 0.25em;
  font-size: 0.7rem;
  font-weight: 500;
  display: block;
  margin-bottom: 0.4rem;
}

.contact-form {
  grid-column: span 7;
  display: grid;
  gap: 1rem;
}

.contact-form label {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.7rem;
}

.contact-form input,
.contact-form textarea {
  border: none;
  border-bottom: 1px solid var(--color-divider);
  padding: 0.8rem 0;
  font-size: 0.95rem;
  font-family: var(--font-sans);
  background: transparent;
  color: var(--color-text);
  transition: border-color var(--transition-speed) ease;
}

.contact-form input:focus-visible,
.contact-form textarea:focus-visible {
  outline: none;
  border-bottom-color: var(--color-accent);
}

.site-footer {
  padding: 2.5rem 0;
  background: var(--color-background);
  border-top: 1px solid var(--color-divider);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.legal {
  font-size: 0.75rem;
  color: rgba(10, 10, 10, 0.6);
}

.modal {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 2rem;
  background: rgba(10, 10, 10, 0.6);
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-speed) ease, visibility var(--transition-speed) ease;
  z-index: 1000;
}

.modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
}

.modal-body {
  position: relative;
  background: #ffffff;
  max-width: 880px;
  width: 100%;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--gutter);
  padding: clamp(2rem, 4vw, 3rem);
}

.modal-media {
  grid-column: span 7;
}

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

.modal-content {
  grid-column: span 5;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.modal-content ul {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.4rem;
}

.modal-close {
  position: absolute;
  top: 1.2rem;
  right: 1.2rem;
  width: 2.25rem;
  height: 2.25rem;
  border: none;
  background: none;
  font-size: 2rem;
  color: var(--color-text);
  cursor: pointer;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 500ms ease, transform 700ms cubic-bezier(0.19, 1, 0.22, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1080px) {
  .values-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contact-grid {
    grid-template-columns: repeat(1, minmax(0, 1fr));
  }

  .contact-intro,
  .contact-form {
    grid-column: 1 / -1;
  }
}

@media (max-width: 860px) {
  .main-nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .hero-content {
    padding-top: clamp(10rem, 15vh, 12rem);
  }

  .hero-cta {
    flex-direction: column;
    align-items: flex-start;
  }

  .services-grid {
    grid-template-columns: repeat(1, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .container {
    width: min(100% - (var(--gutter)), var(--container-max));
  }

  .hero {
    min-height: 80vh;
  }

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

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

  .modal-body {
    grid-template-columns: 1fr;
  }

  .modal-media,
  .modal-content {
    grid-column: 1 / -1;
  }
}