/* ===== Rainier Blinds — Design System ===== */
:root {
  --black: #0a0a0c;
  --white: #ffffff;
  --navy: #0e2a4d;
  --navy-light: #1c4173;
  --navy-dark: #081b33;

  --gray-50: #f7f7f8;
  --gray-100: #eeeeef;
  --gray-200: #dcdde0;
  --gray-400: #9a9ca3;
  --gray-600: #5c5f68;
  --gray-800: #232529;

  --font-display: 'Montserrat', sans-serif;
  --font-accent: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;

  --container: 1200px;
  --radius: 2px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--black);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.15;
}

.eyebrow {
  font-family: var(--font-accent);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--navy);
}

.section-heading {
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  text-align: center;
}

.section { padding: 110px 0; }
.section-lede {
  text-align: center;
  color: var(--gray-600);
  max-width: 56ch;
  margin: 16px auto 56px;
}

.wrap {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-accent);
  font-weight: 600;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 15px 30px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--navy);
  color: var(--white);
}
.btn-primary:hover { background: var(--navy-light); }
.btn-dark {
  background: var(--black);
  color: var(--white);
}
.btn-dark:hover { background: #000; opacity: 0.85; }
.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.5);
}
.btn-outline:hover { background: rgba(255,255,255,0.1); border-color: var(--white); }
.btn-outline-dark {
  background: transparent;
  color: var(--black);
  border-color: var(--black);
}
.btn-outline-dark:hover { background: var(--black); color: var(--white); }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--black);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand img { height: 58px; width: auto; filter: invert(1) brightness(2); }
.main-nav {
  display: flex;
  align-items: center;
  gap: 40px;
}
.main-nav ul {
  display: flex;
  gap: 34px;
}
.main-nav a {
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 400;
  color: rgba(255,255,255,0.82);
  transition: color 0.15s ease;
}
.main-nav a:hover, .main-nav a.active { color: var(--white); }
.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-phone {
  font-family: var(--font-accent);
  font-weight: 600;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.5);
  padding: 15px 22px;
  border-radius: var(--radius);
  transition: all 0.2s ease;
}
.nav-phone:hover { background: rgba(255,255,255,0.1); border-color: var(--white); }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  margin: 5px 0;
  transition: 0.2s;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--black);
  color: var(--gray-200);
  padding: 72px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.footer-brand img { height: 36px; }
.footer-brand span { font-family: var(--font-display); font-weight: 700; color: var(--white); font-size: 1.05rem; }
.site-footer p { color: var(--gray-400); font-size: 0.92rem; max-width: 32ch; }
.footer-social { display: flex; gap: 14px; margin-top: 20px; }
.footer-social a {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  color: var(--gray-400);
  transition: color 0.15s ease, border-color 0.15s ease;
}
.footer-social a:hover { color: var(--white); border-color: rgba(255,255,255,0.5); }
.footer-social svg { width: 17px; height: 17px; }
.footer-col h4 {
  font-family: var(--font-accent);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 18px;
}
.footer-col ul li { margin-bottom: 12px; }
.footer-col a {
  color: var(--gray-400);
  font-size: 0.92rem;
  transition: color 0.15s ease;
}
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 28px;
  font-size: 0.82rem;
  color: var(--gray-600);
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .main-nav {
    position: fixed;
    top: 84px;
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    align-items: flex-start;
    background: var(--black);
    padding: 28px 32px;
    transform: translateX(100%);
    transition: transform 0.25s ease;
  }
  .main-nav.nav-open { transform: translateX(0); }
  .main-nav ul { display: flex; flex-direction: column; gap: 20px; width: 100%; }
  .nav-cta { flex-direction: column; align-items: flex-start; gap: 16px; margin-top: 28px; width: 100%; }
  .nav-cta .btn { width: 100%; }
  .nav-toggle { display: block; z-index: 101; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .wrap { padding: 0 20px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; align-items: flex-start; }
  .section { padding: 64px 0; }
}