:root {
  --accent: #4dbfa5;
  --dark: #3d4345;
  --dark-2: #2d3335;
  --light-bg: #f5f5f5;
  --text-light: #ffffff;
  --text-dark: #222;
  --muted-light: #cfd3d4;
}

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

html, body { height: 100%; font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif; color: var(--text-dark); }

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

.page {
  min-height: 100vh;
  position: relative;
  overflow: hidden;
  padding: 0 clamp(1.5rem, 5vw, 5rem) 2rem;
  display: flex;
  flex-direction: column;
}

.page.dark { background: var(--dark); color: var(--text-light); }
.page.light { background: var(--light-bg); color: var(--text-dark); }

.page::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 110px;
  background: var(--dark);
  z-index: 1;
}
.page.dark::before { display: none; }

.wave-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  -webkit-mask: url(../assets/wave.svg) center / 100% 100% no-repeat;
          mask: url(../assets/wave.svg) center / 100% 100% no-repeat;
}
.page.light .wave-bg { background-color: #8a8f92; opacity: 0.5; }
.page.dark .wave-bg { background-color: #ffffff; opacity: 0.55; }

.nav {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
  padding: 1.5rem 0;
  color: var(--text-light);
}

.nav .logo img { height: 60px; display: block; }
.nav .logo { margin-right: auto; }

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  align-items: center;
  font-size: 1rem;
}

.nav-links a { padding: 0.25rem 0; border-bottom: 2px solid transparent; }
.nav-links a.active { border-bottom-color: var(--accent); color: var(--accent); }
.nav-links a:hover { color: var(--accent); }

.lang-toggle {
  display: inline-flex;
  background: rgba(255,255,255,0.08);
  border-radius: 999px;
  padding: 4px;
}
.lang-toggle button {
  background: transparent;
  border: 0;
  color: inherit;
  padding: 0.4rem 1rem;
  font: inherit;
  cursor: pointer;
  border-radius: 999px;
}
.lang-toggle button.active { background: rgba(255,255,255,0.18); }

.hero {
  position: relative;
  z-index: 2;
  flex: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding-top: 3rem;
}
@media (min-width: 900px) {
  .hero { grid-template-columns: 1fr 1fr; align-items: center; }
}

.hero-content { max-width: 560px; }
.hero-content h1 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 300;
  margin-bottom: 1.5rem;
  letter-spacing: -0.01em;
  line-height: 1.15;
}
.hero-content h3 {
  font-size: 1.1rem;
  font-weight: 500;
  margin: 1.5rem 0 0.5rem;
  color: var(--accent);
}
.hero-content .logo-big { max-width: 420px; width: 100%; margin-bottom: 1.5rem; }
.hero-content hr {
  border: 0;
  border-top: 1px solid rgba(255,255,255,0.25);
  margin: 1rem 0 1.5rem;
  max-width: 80px;
}
.hero-content p { font-size: 1rem; line-height: 1.6; margin-bottom: 1.25rem; color: var(--muted-light); }
.page.light .hero-content p { color: #555; }

.cta {
  display: inline-block;
  background: var(--accent);
  color: white;
  padding: 0.85rem 2.5rem;
  border-radius: 4px;
  font-size: 1rem;
  transition: filter 0.15s;
}
.cta:hover { filter: brightness(1.1); }

.hero-image {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-image::before {
  content: '';
  position: absolute;
  inset: -2rem -4rem -4rem -2rem;
  background: var(--accent);
  opacity: 0.75;
  border-radius: 0 2rem 0 2rem;
  z-index: 0;
}
.hero-image img {
  position: relative;
  z-index: 1;
  max-width: 100%;
  height: auto;
  border-radius: 1rem;
  box-shadow: 0 10px 40px rgba(0,0,0,0.25);
  max-height: 420px;
  object-fit: cover;
}

.detail-content {
  position: relative;
  z-index: 2;
  padding-top: 2rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding-top: 2rem;
}
@media (min-width: 900px) {
  .detail-content { grid-template-columns: 1fr 1fr; }
}
.detail-text h1 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 300;
  margin-bottom: 2rem;
}
.detail-text h3 {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--accent);
  margin: 1.75rem 0 0.5rem;
}
.detail-text p { margin-bottom: 1.25rem; line-height: 1.6; color: #555; }

.contact-list { list-style: none; padding: 0; display: grid; gap: 0.6rem; }
.contact-list li { display: grid; grid-template-columns: minmax(10rem, max-content) 1fr; gap: 1.5rem; align-items: baseline; }
.contact-list strong { font-weight: 500; color: var(--accent); }

@media (max-width: 700px) {
  .nav { gap: 1rem; }
  .nav-links { gap: 1rem; font-size: 0.9rem; order: 3; width: 100%; }
  .hero-image::before { inset: -1rem; }
}