/* ============================================
   CXW AGENCY — LAYOUT / HEADER / SECTIONS / FOOTER
   ============================================ */

.container {
  width: min(var(--cn-container), 100% - 2.5rem);
  margin-inline: auto;
}

section {
  padding-block: var(--cn-section-pad);
  position: relative;
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  margin-bottom: clamp(2.5rem, 6vw, 4rem);
}

/* ============ HEADER ============ */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--cn-header-h);
  transition: background 0.35s ease, border-color 0.35s ease;
  border-bottom: 1px solid transparent;
}

.header.is-scrolled {
  background: rgba(7, 6, 5, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--cn-line-soft);
}

.header__inner {
  height: var(--cn-header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.header__brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

.header__logo {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid var(--cn-line);
  box-shadow: 0 0 18px rgba(242, 199, 92, 0.15);
  object-fit: cover;
  flex-shrink: 0;
}

.header__wordmark {
  font-family: var(--cn-font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.header__wordmark span {
  color: var(--cn-gold);
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.9rem;
}

.nav__link {
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--cn-text-muted);
  letter-spacing: 0.02em;
  transition: color 0.25s ease;
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 1px;
  background: var(--cn-gold);
  transition: width 0.3s var(--cn-ease);
}

.nav__link:hover {
  color: var(--cn-text);
}

.nav__link:hover::after {
  width: 100%;
}

.header__cta {
  flex-shrink: 0;
}

/* --- Mobile nav --- */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  align-items: center;
  border: 1px solid var(--cn-line);
  border-radius: 10px;
}

.nav-toggle__bar {
  width: 18px;
  height: 2px;
  background: var(--cn-gold);
  border-radius: 2px;
  transition: transform 0.3s var(--cn-ease), opacity 0.3s ease;
}

.nav-toggle.is-open .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-open .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open .nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-nav {
  position: fixed;
  top: var(--cn-header-h);
  left: 0;
  right: 0;
  z-index: 99;
  background: rgba(7, 6, 5, 0.97);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--cn-line-soft);
  padding: 1.4rem 1.25rem 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  transform: translateY(-12px);
  opacity: 0;
  visibility: hidden;
  transition: transform 0.35s var(--cn-ease), opacity 0.3s ease, visibility 0.3s;
}

.mobile-nav.is-open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.mobile-nav__link {
  font-family: var(--cn-font-display);
  font-size: 1.05rem;
  font-weight: 600;
  padding: 0.7rem 0.4rem;
  border-bottom: 1px solid var(--cn-line-soft);
  color: var(--cn-text);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.mobile-nav__link::after {
  content: '→';
  color: var(--cn-gold);
  font-size: 0.9rem;
}

.mobile-nav .btn {
  margin-top: 1.1rem;
  justify-content: center;
}

/* ============ GLOBAL ATMOSPHERE ============ */
/* Fixed cinematic backdrop: slow-drifting gold glows + faint noise.
   Sections use translucent backgrounds so the whole site shares one world. */
.atmosphere {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.atmosphere span {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212, 164, 55, 0.5), transparent 70%);
  filter: blur(90px);
  opacity: 0.13;
  will-change: transform;
}

.atmosphere span:nth-child(1) {
  width: 46vw;
  height: 46vw;
  top: -12%;
  right: -10%;
  animation: atmo-drift-a 30s ease-in-out infinite alternate;
}

.atmosphere span:nth-child(2) {
  width: 38vw;
  height: 38vw;
  bottom: -8%;
  left: -12%;
  opacity: 0.1;
  animation: atmo-drift-b 38s ease-in-out infinite alternate;
}

.atmosphere span:nth-child(3) {
  width: 24vw;
  height: 24vw;
  top: 42%;
  left: 58%;
  opacity: 0.07;
  animation: atmo-drift-c 46s ease-in-out infinite alternate;
}

@keyframes atmo-drift-a {
  to { transform: translate(-7vw, 8vh) scale(1.12); }
}

@keyframes atmo-drift-b {
  to { transform: translate(9vw, -6vh) scale(1.08); }
}

@keyframes atmo-drift-c {
  to { transform: translate(-6vw, -9vh) scale(1.15); }
}

/* Faint film-grain noise for cinematic texture */
.atmosphere::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  opacity: 0.05;
}

/* ============ BACKDROP TEXTURES ============ */
.grid-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--cn-line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--cn-line-soft) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, black 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, black 0%, transparent 75%);
  opacity: 0.55;
}

.section--raised {
  background: linear-gradient(180deg, rgba(242, 199, 92, 0.03), rgba(7, 6, 5, 0.35) 30%, rgba(7, 6, 5, 0.35) 70%, transparent);
  border-top: 1px solid var(--cn-line-soft);
  border-bottom: 1px solid var(--cn-line-soft);
  position: relative;
}

/* Soft gold seam at the top of raised sections — guides the eye, avoids hard cuts */
.section--raised::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: min(520px, 70vw);
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(212, 164, 55, 0.45), transparent);
}

/* ============ FOOTER ============ */
.footer {
  background:
    radial-gradient(ellipse 60% 80% at 50% 110%, rgba(212, 164, 55, 0.08), transparent 70%),
    rgba(12, 10, 7, 0.55);
  border-top: 1px solid var(--cn-line-soft);
  padding: 4rem 0 2rem;
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: min(520px, 70vw);
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(212, 164, 55, 0.45), transparent);
}

.footer__watermark {
  position: absolute;
  right: -120px;
  bottom: -140px;
  width: 420px;
  opacity: 0.07;
  mix-blend-mode: screen;
  pointer-events: none;
}

.footer .container {
  position: relative;
  z-index: 1;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--cn-line-soft);
}

.footer__brand-block {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 340px;
}

.footer__logo {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  border: 1px solid var(--cn-line);
}

.footer__tagline {
  font-size: 0.92rem;
  color: var(--cn-text-muted);
}

.footer__heading {
  font-family: var(--cn-font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cn-gold);
  margin-bottom: 1.1rem;
}

.footer__list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer__link {
  font-size: 0.9rem;
  color: var(--cn-text-muted);
  transition: color 0.25s ease;
}

.footer__link:hover {
  color: var(--cn-gold-bright);
}

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding-top: 1.8rem;
}

.footer__copyright {
  font-size: 0.8rem;
  color: var(--cn-text-dim);
}

.footer__credit {
  opacity: 0.7;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 500;
  color: var(--cn-text-muted);
}

.footer__credit-link {
  color: var(--cn-gold);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: var(--cn-gold);
  text-underline-offset: 3px;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 960px) {
  .nav {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  .header__inner .header__cta {
    display: none;
  }
  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .header__wordmark {
    display: none;
  }
  .header__inner {
    gap: 0.75rem;
  }
}

@media (max-width: 600px) {
  .footer__grid {
    grid-template-columns: 1fr;
    gap: 2.2rem;
  }
  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }
}