:root {
  --accent: #159bc8;
  --text: #ffffff;
  --footer: #ababab;
  --header-height: 90px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Montserrat", Arial, sans-serif;
  color: #111;
  background: #fff;
}

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

.site-header {
  min-height: var(--header-height);
  padding: 0 4%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #fff;
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  color: var(--accent);
  font-size: clamp(1rem, 1.75vw, 1.45rem);
  font-weight: 500;
  letter-spacing: .01em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
  color: var(--accent);
  font-size: .86rem;
  letter-spacing: .08em;
}

.main-nav a {
  padding: 1rem 0 .45rem;
  border-bottom: 1px solid transparent;
}

.main-nav a:hover,
.main-nav a.active { border-bottom-color: var(--accent); }

.menu-toggle { display: none; }

.hero {
  min-height: 900px;
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  background:
    url("hero-building.jpg") center/cover no-repeat,
    linear-gradient(120deg, #555, #333);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: inherit;
  background-size: cover;
  filter: saturate(.8);
  transform: scale(1.01);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(20,16,14,.72) 0%, rgba(31,23,20,.48) 50%, rgba(20,16,14,.22) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(760px, 88%);
  margin-left: 4%;
  color: var(--text);
  padding: 4.5rem 0;
}

.hero h1 {
  margin: 0 0 1.7rem;
  font-size: clamp(1.65rem, 2.35vw, 2.2rem);
  line-height: 1.35;
  font-weight: 400;
  letter-spacing: .01em;
}

.hero p {
  margin: 0 0 1.5rem;
  font-size: clamp(.88rem, 1.1vw, 1rem);
  font-weight: 600;
  line-height: 1.58;
}

.contact-actions {
  display: flex;
  gap: clamp(1.2rem, 13vw, 11rem);
  margin-top: 3.1rem;
}

.contact-button {
  min-width: 135px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .7rem;
  padding: 1rem 1.55rem;
  background: #fff;
  color: #111;
  border-radius: 10px;
  font-weight: 500;
  transition: transform .2s ease, box-shadow .2s ease;
}

.contact-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0,0,0,.18);
}

.contact-button svg { width: 20px; height: 20px; fill: currentColor; }

.downloads {
  padding: 5rem 15%;
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 2rem;
  background: #f5f5f5;
}

.downloads h2 {
  margin: .5rem 0 0;
  font-family: "Playfair Display", Georgia, serif;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
}

.eyebrow { color: var(--accent); text-transform: uppercase; letter-spacing: .15em; font-size: .8rem; }
.download-link { border-bottom: 1px solid #111; padding-bottom: .35rem; }

.site-footer {
  min-height: 270px;
  padding: 4.5rem 15%;
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 7rem;
  background: var(--footer);
  color: #fff;
}

.footer-column h2 {
  margin: 0 0 1.8rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.6rem, 2.5vw, 2rem);
}

.footer-column a,
.footer-column address {
  display: block;
  font-style: normal;
  font-weight: 600;
  line-height: 1.65;
  font-size: .9rem;
}

@media (max-width: 760px) {
  :root { --header-height: 76px; }
  .site-header { padding: 0 1.25rem; }
  .menu-toggle {
    display: grid;
    gap: 4px;
    width: 40px;
    height: 40px;
    place-content: center;
    border: 0;
    background: transparent;
  }
  .menu-toggle span { width: 24px; height: 2px; background: var(--accent); }
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    gap: 0;
    align-items: stretch;
    padding: .75rem 1.25rem 1rem;
    background: #fff;
    box-shadow: 0 8px 20px rgba(0,0,0,.08);
  }
  .main-nav.open { display: flex; }
  .hero { min-height: 680px; }
  .hero-content { margin: 0 auto; width: calc(100% - 2.5rem); }
  .hero h1 br, .hero p br { display: none; }
  .contact-actions { gap: .8rem; flex-wrap: wrap; }
  .downloads { padding: 3.5rem 1.5rem; align-items: start; flex-direction: column; }
  .site-footer { padding: 3.5rem 1.5rem; grid-template-columns: 1fr; gap: 3rem; }
}




.download-grid{
    margin-top:40px;
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
    gap:25px;
}

.download-btn{
    display:block;
    background: #fff;
    color: #111;
    text-decoration:none;
    padding:22px;
    border-radius:10px;
    font-size:18px;
    transition:.3s;
    box-shadow:0 4px 10px rgba(0,0,0,.15);
}

.download-btn:hover{
    background:#007fc3;
    transform:translateY(-3px);
}