/* ── Reset & Base ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
}

::selection {
  background: rgba(200, 164, 78, 0.3);
  color: #fff;
}

img {
  display: block;
  max-width: 100%;
}

/* ── Navigation ── */
#nav {
  background: transparent;
  transition: background 0.5s ease, box-shadow 0.5s ease, padding 0.5s ease;
}

#nav.scrolled {
  background: rgba(6, 18, 32, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
  padding-top: 0;
  padding-bottom: 0;
}

.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: #c8a44e;
  transition: width 0.3s ease;
}

.nav-link:hover::after {
  width: 100%;
}

.nav-link:hover {
  color: #d4a843 !important;
}

/* ── Mobile Menu ── */
#mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}

.menu-line {
  display: block;
}

#menu-btn.active .menu-line:nth-child(1) {
  transform: rotate(45deg) translate(3px, 3px);
}

#menu-btn.active .menu-line:nth-child(2) {
  opacity: 0;
}

#menu-btn.active .menu-line:nth-child(3) {
  transform: rotate(-45deg) translate(3px, -3px);
  width: 1.5rem;
}

.mobile-link {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

#mobile-menu.open .mobile-link {
  opacity: 1;
  transform: translateY(0);
}

#mobile-menu.open .mobile-link:nth-child(1) { transition-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.25s; }
#mobile-menu.open .mobile-link:nth-child(5) { transition-delay: 0.3s; }

/* ── Hero ── */
.hero-bg {
  will-change: transform;
}

.hero-eyebrow {
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 0.3s;
}

.hero-title {
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 0.5s;
}

.hero-sub {
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 0.7s;
}

.hero-cta {
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 0.9s;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Reveal on Scroll ── */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal[data-delay="100"] { transition-delay: 0.1s; }
.reveal[data-delay="200"] { transition-delay: 0.2s; }
.reveal[data-delay="300"] { transition-delay: 0.3s; }

/* ── Focus Styles ── */
input:focus,
textarea:focus,
button:focus {
  outline: none;
}

input::placeholder,
textarea::placeholder {
  color: rgba(255, 255, 255, 0.2);
}

/* ── Form ── */
#contact-form .border-b {
  transition: border-color 0.3s ease;
}

/* ── Parallax-ish hero ── */
@media (prefers-reduced-motion: no-preference) {
  .hero-bg {
    transition: transform 0.1s linear;
  }
}

/* ── Utility ── */
@media (max-width: 640px) {
  .font-serif {
    line-height: 1.1;
  }
}