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

:root {
  --color-bg: #2c3040;
  --color-footer: #1e2130;
  --color-white: #ffffff;
  --color-text-muted: rgba(255, 255, 255, 0.75);
  --color-accent: #ffffff;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

body {
  font-family: var(--font);
  background-color: var(--color-bg);
  color: var(--color-white);
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

/* ─── HERO ─── */

.hero {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: calc(100dvh - 60px);
  background-image: url('images/background-construction.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}


/* ─── HEADER / LOGO ─── */

.hero__header {
  position: relative;
  z-index: 1;
  width: 100%;
  display: flex;
  justify-content: center;
  padding: 2.5rem 1.5rem 0;
}

.hero__header a {
  text-decoration: none;
}

.logo__img {
  height: 52px;
  width: auto;
}

/* ─── HERO CONTENT ─── */

.hero__content {
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4rem 1.5rem 5rem;
  max-width: 780px;
  margin: 0 auto;
  gap: 2rem;
}

.hero__title {
  font-size: clamp(1.75rem, 4vw, 2.6rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-white);
  letter-spacing: -0.01em;
}

.hero__description {
  font-size: clamp(0.95rem, 1.6vw, 1.05rem);
  font-weight: 300;
  line-height: 1.75;
  color: var(--color-text-muted);
  max-width: 580px;
}

.hero__contact {
  display: inline-block;
  font-size: clamp(0.95rem, 1.5vw, 1.05rem);
  font-weight: 600;
  color: var(--color-white);
  text-decoration: none;
  letter-spacing: 0.02em;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, opacity 0.2s ease;
}

.hero__contact:hover,
.hero__contact:focus-visible {
  border-bottom-color: var(--color-white);
  opacity: 0.85;
  outline: none;
}

.hero__contact:focus-visible {
  outline: 2px solid var(--color-white);
  outline-offset: 4px;
  border-radius: 2px;
}

/* ─── FOOTER ─── */

.footer {
  background-color: var(--color-footer);
  padding: 1.1rem 1.5rem;
  text-align: center;
}

.footer__text {
  font-size: clamp(0.8rem, 1.3vw, 0.9rem);
  font-weight: 300;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ─── RESPONSIVE ─── */

@media (max-width: 600px) {
  .hero__header {
    padding-top: 2rem;
  }

  .logo__mark {
    width: 36px;
  }

  .logo__text {
    font-size: 0.95rem;
    letter-spacing: 0.18em;
  }

  .hero__content {
    padding: 3rem 1.25rem 4rem;
    gap: 1.5rem;
  }

  .hero__title br {
    display: none;
  }
}

@media (max-width: 380px) {
  .hero__title {
    font-size: 1.55rem;
  }
}