:root {
  --teal: rgba(45, 135, 150, 0.63);
  --teal-heading: rgba(44, 126, 140, 0.63);
  --teal-nav: rgba(17, 102, 117, 0.63);
  --white: #ffffff;
  --black: #000000;
  --max: 1220px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--black);
  color: var(--teal);
  font-family: Oxygen, Inter, system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: "Suez One", Georgia, serif;
  font-weight: 400;
  margin: 0 0 1rem;
  line-height: 1.2;
}

p { margin: 0 0 1rem; }

/* ── Header ── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(6px);
}

.header-grid {
  display: grid;
  grid-template-columns: minmax(120px, 18%) 1fr auto auto;
  align-items: center;
  gap: 1rem;
  max-width: var(--max);
  margin: 0 auto;
  padding: 1rem 1.5rem;
}

.brand img {
  height: 58px;
  width: auto;
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.nav-link {
  color: var(--teal-nav);
  font-family: Oxygen, sans-serif;
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 0.01em;
}

.nav-link.is-active,
.nav-link:hover {
  color: var(--white);
}

.social-icons {
  display: flex;
  gap: 0.65rem;
  align-items: center;
}

.social-icons a {
  color: var(--teal-nav);
  display: flex;
}

.social-icons a:hover { color: var(--white); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: 0;
  cursor: pointer;
  padding: 0.25rem;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
}

/* ── Hero ── */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 819px;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: flex-end;
}

.hero-page {
  min-height: 62vh;
  min-height: 520px;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.25) 0%,
    rgba(0, 0, 0, 0.55) 55%,
    rgba(0, 0, 0, 0.82) 100%
  );
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: min(var(--max), calc(100% - 3rem));
  margin: 0 auto 4.5rem;
  padding-top: 6rem;
}

.hero h1 {
  color: var(--white);
  font-size: clamp(2.4rem, 5.5vw, 3.75rem);
  max-width: 14ch;
  margin-bottom: 0.75rem;
}

.hero h3 {
  color: var(--white);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
}

.hero h5 {
  color: var(--white);
  font-family: Inter, Oxygen, sans-serif;
  font-size: clamp(1rem, 2.2vw, 1.25rem);
  font-weight: 600;
  margin: 0;
  max-width: 28rem;
}

/* ── Split sections (original Zyro layout) ── */
.z-section {
  padding: 4.5rem 0;
  min-height: 520px;
}

.z-split {
  display: grid;
  grid-template-columns: 7.5% 32% 9% 1fr 7.5%;
  align-items: center;
  max-width: var(--max);
  margin: 0 auto;
}

.z-split__image {
  grid-column: 2;
}

.z-split__text {
  grid-column: 4;
}

.z-frame {
  border: 1px solid rgba(255, 255, 255, 0.85);
  overflow: hidden;
  background: #111;
  aspect-ratio: 4 / 3.4;
}

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

.z-split__text h6 {
  color: var(--teal);
  font-family: Oxygen, Inter, sans-serif;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: none;
  margin-bottom: 0.75rem;
}

.z-split__text h3 {
  color: var(--teal-heading);
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 1rem;
}

.z-split__text p,
.z-about p,
.principle-card p,
.contact-block p,
.gallery-cell figcaption {
  color: var(--teal);
  font-size: 16px;
}

/* ── About block on home ── */
.z-section-about {
  padding-top: 2rem;
}

.z-about {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 1.5rem;
  text-align: left;
}

.z-about-wide {
  max-width: 860px;
}

.z-about h3 {
  color: var(--teal);
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 1.25rem;
}

/* ── Escape headline ── */
.z-section-escape {
  text-align: center;
  padding: 3rem 1.5rem 4rem;
}

.z-section-escape h2 {
  color: var(--white);
  font-size: clamp(1.8rem, 4vw, 2.75rem);
  max-width: 18ch;
  margin: 0 auto;
}

/* ── Contact form ── */
.z-section-contact {
  padding-bottom: 5rem;
}

.z-contact {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.z-contact h2 {
  color: var(--teal);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  margin-bottom: 1.75rem;
}

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

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

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-field-full {
  grid-column: 1 / -1;
}

.form-label {
  color: var(--teal);
  font-size: 14px;
}

.form-field input,
.form-field textarea {
  width: 100%;
  border: 0;
  background: var(--white);
  color: #222;
  font: inherit;
  padding: 0.85rem 1rem;
  border-radius: 0;
}

.form-field textarea {
  resize: vertical;
  min-height: 140px;
}

.form-submit {
  justify-self: start;
  margin-top: 0.5rem;
  border: 0;
  background: var(--teal);
  color: var(--white);
  font-family: Inter, Oxygen, sans-serif;
  font-size: 16px;
  font-weight: 600;
  padding: 0.85rem 2rem;
  cursor: pointer;
}

.form-submit:hover {
  background: rgba(45, 135, 150, 0.85);
}

.form-note {
  color: var(--teal);
  font-size: 14px;
  margin-top: 0.75rem;
}

/* ── About page ── */
.section-heading {
  color: var(--teal);
  text-align: center;
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 2rem;
}

.principles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.principle-card {
  text-align: center;
}

.principle-card .z-frame {
  margin-bottom: 1rem;
}

.principle-card strong {
  display: block;
  color: var(--teal);
  font-family: "Suez One", Georgia, serif;
  font-size: 1.15rem;
  font-weight: 400;
  margin-bottom: 0.75rem;
}

.z-section-team {
  text-align: center;
  padding-top: 1rem;
}

/* ── Contacts page ── */
.contacts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  max-width: 720px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.contact-block h6 {
  color: var(--teal);
  font-family: Oxygen, Inter, sans-serif;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

/* ── Gallery ── */
.z-section-gallery-head {
  padding: 7rem 1.5rem 1rem;
  text-align: center;
}

.gallery-title {
  color: var(--teal);
  font-size: clamp(2rem, 4vw, 2.75rem);
}

.z-section-gallery {
  padding-top: 1rem;
  padding-bottom: 4rem;
}

.gallery-masonry {
  columns: 3;
  column-gap: 1rem;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.gallery-cell {
  break-inside: avoid;
  margin: 0 0 1rem;
}

.gallery-cell .z-frame {
  aspect-ratio: auto;
}

.gallery-cell img {
  width: 100%;
  height: auto;
}

.gallery-cell figcaption {
  padding: 0.65rem 0.25rem 0;
  font-family: "Suez One", Georgia, serif;
  font-size: 0.95rem;
}

/* ── Footer ── */
.site-footer {
  border-top: 1px solid rgba(45, 135, 150, 0.25);
  padding: 2.5rem 1.5rem 3rem;
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  text-align: center;
}

.site-footer h4 {
  color: var(--teal);
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.footer-line {
  color: var(--teal);
  margin: 0.35rem 0;
  font-size: 15px;
}

.site-footer .social-icons {
  justify-content: center;
  margin-top: 1.25rem;
}

/* ── Mobile ── */
@media (max-width: 960px) {
  .header-grid {
    grid-template-columns: 1fr auto auto;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(0, 0, 0, 0.95);
    padding: 1rem 1.5rem 1.25rem;
    gap: 1rem;
  }

  .site-nav.is-open { display: flex; }

  .header-grid > .social-icons { display: none; }

  .nav-toggle { display: flex; }

  .z-split {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 0 1.5rem;
  }

  .z-split__image,
  .z-split__text {
    grid-column: 1;
  }

  .principles-grid,
  .contacts-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .gallery-masonry {
    columns: 2;
  }

  .hero-inner {
    margin-bottom: 3rem;
  }
}

@media (max-width: 560px) {
  .gallery-masonry { columns: 1; }

  .brand img { height: 48px; }
}