/* ============================================================
   marketingRAUM — components.css
   Shared across all pages:
   Nav · Curtain · Footer · Buttons · Utilities · Reveal
   ============================================================ */

/* ------------------------------------------------------------
   Custom Cursor (desktop only)
   ------------------------------------------------------------ */

.cursor-dot,
.cursor-ring {
  position: fixed;
  pointer-events: none;
  z-index: var(--z-cursor);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition-property: opacity;
  transition-duration: var(--duration-base);
}
.cursor-dot { width: 6px; height: 6px; background: var(--color-cream); }
.cursor-ring {
  width: 32px; height: 32px;
  border: 1px solid rgba(248,246,243,0.5);
  transition: width var(--duration-base) var(--ease-out),
              height var(--duration-base) var(--ease-out),
              border-color var(--duration-base);
}
.cursor-ring.is-hovering { width: 56px; height: 56px; border-color: rgba(248,246,243,0.8); }
.cursor-ring.is-clicking { width: 24px; height: 24px; }
@media (hover: none) { .cursor-dot, .cursor-ring { display: none; } }

/* ------------------------------------------------------------
   Navigation
   ------------------------------------------------------------ */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: var(--z-nav);
  padding: 1.5rem var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: transparent;
  transition: padding 0.4s var(--ease-out), background 0.5s ease, border-color 0.4s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  padding: 1rem var(--gutter);
  background: rgba(248,246,243,0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-color: rgba(51,68,61,0.1);
}

.nav__logo { display: flex; align-items: center; flex-shrink: 0; transition: opacity 0.3s; }
.nav__logo:hover { opacity: 0.8; }
.nav__logo img,
.nav__logo-img {
  height: 44px !important;
  width: auto !important;
  max-width: none !important;
  filter: brightness(0) invert(1);
  mix-blend-mode: difference;
  display: block !important;
}

.nav__links { display: flex; align-items: center; gap: 2.5rem; list-style: none; }
.nav__link {
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #fff;
  mix-blend-mode: difference;
  position: relative;
  transition: opacity 0.3s;
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 1px;
  background: #fff;
  transition: width 0.3s var(--ease-out);
}
.nav__link:hover::after,
.nav__link.active::after { width: 100%; }

.nav__cta {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #fff;
  mix-blend-mode: difference;
  border: 1px solid rgba(255,255,255,0.5);
  padding: 0.6rem 1.4rem;
  border-radius: 2px;
  transition: all 0.3s;
  text-decoration: none;
}
.nav__cta:hover { opacity: 0.7; }

.nav__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  padding: 0.5rem;
  width: 40px; height: 40px;
  cursor: pointer;
  background: none;
  border: none;
  position: relative;
  z-index: calc(var(--z-nav) + 1);
}
.nav__burger span {
  display: block;
  width: 100%; height: 1px;
  background: #fff;
  transform-origin: center;
  transition: transform 0.5s cubic-bezier(0.16,1,0.3,1),
              opacity 0.3s ease,
              width 0.4s cubic-bezier(0.16,1,0.3,1),
              background 0.3s ease;
}
.nav.scrolled .nav__burger span { background: var(--color-forest); }
.nav__burger.is-open span        { background: #fff !important; }
.nav__burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__burger.is-open span:nth-child(2) { opacity: 0; width: 0; }
.nav__burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 900px) {
  .nav { padding: 1.25rem 1.5rem; }
  .nav.scrolled { padding: 0.9rem 1.5rem; }
  .nav__links, .nav__cta { display: none; }
  .nav__burger { display: flex !important; }
}

/* ------------------------------------------------------------
   Curtain Menu
   ------------------------------------------------------------ */

.curtain {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  pointer-events: none;
  overflow: hidden;
}
.curtain.is-open { pointer-events: auto; }

.curtain__panel {
  position: absolute;
  left: 0; right: 0;
  height: 50%;
  background: var(--color-forest);
  will-change: transform;
  transition: transform 0.7s cubic-bezier(0.16,1,0.3,1);
}
.curtain__panel--top    { top: 0;    transform: translateY(-100%); }
.curtain__panel--bottom { bottom: 0; transform: translateY(100%); transition-delay: 0.04s; }
.curtain.is-open  .curtain__panel--top,
.curtain.is-open  .curtain__panel--bottom { transform: translateY(0); }
.curtain.is-closing .curtain__panel--top    { transform: translateY(-100%); transition-delay: 0.12s; }
.curtain.is-closing .curtain__panel--bottom { transform: translateY(100%);  transition-delay: 0.06s; }

.curtain__nav {
  position: absolute; inset: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 6rem 2rem 2rem;
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
.curtain.is-open    .curtain__nav { opacity: 1; transition-delay: 0.55s; pointer-events: auto; }
.curtain.is-closing .curtain__nav { opacity: 0; transition-delay: 0s; }

.curtain__links { list-style: none; margin: 0 0 2rem; }
.curtain__links li { border-bottom: 1px solid rgba(185,199,193,0.12); }
.curtain__links li:first-child { border-top: 1px solid rgba(185,199,193,0.12); }

.curtain__link {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 6vw, 3.5rem);
  font-weight: 300;
  color: var(--color-cream);
  line-height: 1;
  padding: 0.65rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  text-decoration: none;
  transition: color 0.25s ease, letter-spacing 0.4s cubic-bezier(0.16,1,0.3,1);
}
.curtain__link::after {
  content: '→';
  font-family: var(--font-body);
  font-size: 1.1rem;
  color: rgba(185,199,193,0.35);
  transition: color 0.25s ease, transform 0.4s cubic-bezier(0.16,1,0.3,1);
  flex-shrink: 0;
}
.curtain__link:hover { color: var(--color-mist); letter-spacing: 0.04em; }
.curtain__link:hover::after { color: rgba(185,199,193,0.7); transform: translate(6px,-4px); }
.curtain__link.is-active { color: var(--color-sand); }

.curtain__cta {
  display: inline-flex;
  align-items: center;
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-cream);
  border: 1px solid rgba(185,199,193,0.35);
  padding: 0.75rem 1.75rem;
  border-radius: 2px;
  width: fit-content;
  text-decoration: none;
  transition: border-color 0.25s ease, background 0.25s ease;
}
.curtain__cta:hover { border-color: var(--color-mist); background: rgba(185,199,193,0.08); }

@media (orientation: landscape) and (max-height: 500px) {
  .curtain__nav    { padding: 4.5rem 2rem 1.5rem; justify-content: flex-start; }
  .curtain__link   { font-size: clamp(1.4rem, 5vh, 2rem); padding: 0.45rem 0; }
  .curtain__links  { margin-bottom: 1.25rem; }
  .curtain__cta    { padding: 0.55rem 1.25rem; font-size: 0.9rem; }
}

/* ------------------------------------------------------------
   Footer
   ------------------------------------------------------------ */

.footer {
  background: linear-gradient(160deg, #2d4238 0%, #33443D 45%, #2a3d34 100%);
  color: var(--color-cream);
  padding: 5rem var(--gutter) 3rem;
  position: relative;
  overflow: hidden;
}
.footer__grain {
  position: absolute; inset: 0;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.72' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23g)'/%3E%3C/svg%3E");
  background-size: 200px;
  pointer-events: none;
}

.footer__inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(185,199,193,0.15);
  position: relative; z-index: 1;
}
.footer__logo-link { display: inline-block; margin-bottom: 1.25rem; transition: opacity 0.3s; }
.footer__logo-link:hover { opacity: 0.75; }
.footer__logo-img  { height: 32px; width: auto; filter: brightness(0) invert(1); opacity: 0.9; }
.footer__tagline   { font-size: 0.875rem; color: rgba(252,251,247,0.75); line-height: 1.7; font-weight: 300; }
.footer__col-title { font-size: 0.65rem; font-weight: 500; letter-spacing: 0.2em; text-transform: uppercase; color: var(--color-mist); margin-bottom: 1.5rem; opacity: 0.7; }
.footer__links     { display: flex; flex-direction: column; gap: 0.6rem; }

.footer__link {
  font-size: 0.875rem;
  color: rgba(252,251,247,0.7);
  font-weight: 300;
  display: inline-flex;
  position: relative;
  width: fit-content;
  text-decoration: none;
  transition: color 0.25s ease;
}
.footer__link::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 0;
  width: 0; height: 1px;
  background: var(--color-mist);
  transition: width 0.35s cubic-bezier(0.16,1,0.3,1);
}
.footer__link:hover { color: #FCFBF7; }
.footer__link:hover::after { width: 100%; }

.footer__bottom {
  max-width: 1280px;
  margin: 2rem auto 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  position: relative; z-index: 1;
}
.footer__copy { font-size: 0.75rem; color: rgba(252,251,247,0.45); font-weight: 300; }
.footer__legal { display: flex; gap: 1.5rem; }
.footer__legal a {
  font-size: 0.75rem;
  color: rgba(252,251,247,0.45);
  text-decoration: none;
  position: relative;
  transition: color 0.2s;
}
.footer__legal a::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 0;
  width: 0; height: 1px;
  background: var(--color-mist);
  transition: width 0.35s cubic-bezier(0.16,1,0.3,1);
}
.footer__legal a:hover { color: rgba(252,251,247,0.8); }
.footer__legal a:hover::after { width: 100%; }

@media (max-width: 900px) {
  .footer__inner { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .footer { padding: 3rem 1.5rem 2rem; }
}
@media (max-width: 600px) {
  .footer__inner { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
}

/* ------------------------------------------------------------
   Buttons
   ------------------------------------------------------------ */

.btn-forest {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-size: 0.75rem; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase;
  background: var(--color-forest); color: var(--color-cream);
  padding: 0.9rem 2.25rem; border-radius: 2px;
  border: 1px solid var(--color-forest);
  text-decoration: none; cursor: pointer;
  transition: background 0.3s, border-color 0.3s;
}
.btn-forest:hover { background: var(--color-forest-light); border-color: var(--color-forest-light); }

.btn-outline {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-size: 0.75rem; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--color-forest); background: transparent;
  border: 1px solid rgba(51,68,61,0.3);
  padding: 0.9rem 2.25rem; border-radius: 2px;
  text-decoration: none; cursor: pointer;
  transition: border-color 0.3s, background 0.3s;
}
.btn-outline:hover { border-color: var(--color-forest); background: rgba(51,68,61,0.05); }

.btn-light {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.75rem; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--color-forest); background: var(--color-cream);
  padding: 0.9rem 2rem; border-radius: 2px;
  text-decoration: none; cursor: pointer;
  transition: background 0.3s;
}
.btn-light:hover { background: var(--color-sand-light); }

.btn-ghost {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.75rem; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase;
  color: rgba(248,246,243,0.7);
  border: 1px solid rgba(248,246,243,0.25);
  padding: 0.9rem 2rem; border-radius: 2px;
  text-decoration: none; cursor: pointer;
  transition: color 0.3s, border-color 0.3s;
}
.btn-ghost:hover { color: var(--color-cream); border-color: rgba(248,246,243,0.6); }

/* ------------------------------------------------------------
   Utilities
   ------------------------------------------------------------ */

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}
.reveal.visible { opacity: 1; transform: none; }

/* Eyebrow */
.eyebrow {
  font-family: var(--font-body);
  font-size: 0.7rem; font-weight: 500;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--color-sage);
  display: flex; align-items: center; gap: 0.75rem;
}
.eyebrow::before {
  content: '';
  display: block;
  width: 24px; height: 1px;
  background: currentColor; opacity: 0.5;
  flex-shrink: 0;
}
.eyebrow--light { color: rgba(185,199,193,0.6); }

/* Shared CTA block */
.cta-block { background: var(--color-cream); padding: 8rem var(--gutter); }
.cta-block__inner { max-width: 720px; margin: 0 auto; text-align: center; }
.cta-eyebrow {
  font-size: 0.65rem; font-weight: 500;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--color-sage);
  display: inline-flex; align-items: center; gap: 0.75rem;
  margin-bottom: 1.5rem;
}
.cta-eyebrow span { display: block; width: 24px; height: 1px; background: currentColor; opacity: 0.5; }
.cta-title {
  font-family: var(--font-display); font-weight: 300;
  font-size: clamp(2.5rem, 5vw, 4rem);
  color: var(--color-forest); line-height: 1.1; letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}
.cta-title em { font-style: italic; color: #768B83; }
.cta-sub { font-size: 1rem; color: var(--color-sage); font-weight: 300; line-height: 1.7; margin-bottom: 2.5rem; }
.cta-actions { display: flex; align-items: center; justify-content: center; gap: 1rem; flex-wrap: wrap; }

@media (max-width: 600px) { .cta-block { padding: 5rem 1.5rem; } }

/* Skip link */
.skip-link {
  position: absolute; top: -100%; left: 1rem; z-index: 9999;
  padding: 0.5rem 1rem;
  background: var(--color-forest); color: var(--color-cream);
  font-size: 0.875rem; border-radius: 2px;
  transition: top 0.2s; text-decoration: none;
}
.skip-link:focus { top: 1rem; }