/* ── Base ── */
*, *::before, *::after {
  box-sizing: border-box;
}

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

body {
  overflow-x: hidden;
}

::selection {
  background: rgba(181, 101, 74, 0.15);
  color: #2D2D2D;
}

/* ── Navigation ── */
#nav {
  background: transparent;
  transition: background 0.4s ease, box-shadow 0.4s ease;
}

#nav.scrolled {
  background: rgba(253, 251, 248, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(181, 101, 74, 0.08);
}

.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  width: 0;
  height: 1px;
  background: #B5654A;
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

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

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

#mobileMenu.closed {
  opacity: 0;
  pointer-events: none;
}

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

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

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

.menu-line {
  transition: all 0.3s ease;
}

#menuBtn.active .menu-line:nth-child(1) {
  transform: rotate(45deg) translate(3px, 3px);
}
#menuBtn.active .menu-line:nth-child(2) {
  opacity: 0;
}
#menuBtn.active .menu-line:nth-child(3) {
  transform: rotate(-45deg) translate(3px, -3px);
  width: 5px;
}

/* ── Hero ── */
.hero-eyebrow {
  animation: fadeUp 0.8s ease forwards;
}

.hero-title {
  animation: fadeUp 0.8s ease 0.15s forwards;
  opacity: 0;
}

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

.hero-cta {
  animation: fadeUp 0.8s ease 0.45s forwards;
  opacity: 0;
}

.scroll-line {
  animation: scrollPulse 2s ease infinite;
}

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

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.5); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ── Floating Cards ── */
.card-float-1 {
  animation: float1 4s ease-in-out infinite;
}

.card-float-2 {
  animation: float2 5s ease-in-out infinite;
}

.card-float-3 {
  animation: float3 4.5s ease-in-out infinite;
}

@keyframes float1 {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

@keyframes float2 {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes float3 {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-10px) rotate(1deg); }
}

/* ── Section Headers ── */
.section-eyebrow {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease;
}

.section-title {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease 0.1s;
}

.section-line {
  opacity: 0;
  transform: scaleX(0);
  transition: all 0.6s ease 0.2s;
}

.reveal-visible .section-eyebrow,
.reveal-visible .section-title,
.reveal-visible .section-line {
  opacity: 1;
  transform: translateY(0) scaleX(1);
}

/* ── Service Cards ── */
.service-card {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.reveal-visible .service-card:nth-child(1) { transition-delay: 0s; }
.reveal-visible .service-card:nth-child(2) { transition-delay: 0.1s; }
.reveal-visible .service-card:nth-child(3) { transition-delay: 0.2s; }
.reveal-visible .service-card:nth-child(4) { transition-delay: 0.3s; }
.reveal-visible .service-card:nth-child(5) { transition-delay: 0.4s; }
.reveal-visible .service-card:nth-child(6) { transition-delay: 0.5s; }

/* ── Gallery ── */
.gallery-item {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.5s ease, transform 0.5s ease;
  cursor: pointer;
}

.reveal-visible .gallery-item {
  opacity: 1;
  transform: scale(1);
}

.reveal-visible .gallery-item:nth-child(1)  { transition-delay: 0s; }
.reveal-visible .gallery-item:nth-child(2)  { transition-delay: 0.05s; }
.reveal-visible .gallery-item:nth-child(3)  { transition-delay: 0.1s; }
.reveal-visible .gallery-item:nth-child(4)  { transition-delay: 0.15s; }
.reveal-visible .gallery-item:nth-child(5)  { transition-delay: 0.2s; }
.reveal-visible .gallery-item:nth-child(6)  { transition-delay: 0.25s; }
.reveal-visible .gallery-item:nth-child(7)  { transition-delay: 0.3s; }
.reveal-visible .gallery-item:nth-child(8)  { transition-delay: 0.35s; }

.gallery-item:hover::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 0 0 0 0;
  background: rgba(181, 101, 74, 0.1);
}

/* ── Process Cards ── */
.process-card {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.reveal-visible .process-card:nth-child(1) { transition-delay: 0s; }
.reveal-visible .process-card:nth-child(2) { transition-delay: 0.15s; }
.reveal-visible .process-card:nth-child(3) { transition-delay: 0.3s; }

/* ── Form ── */
.form-input {
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-input:focus {
  border-color: #B5654A;
  box-shadow: 0 0 0 3px rgba(181, 101, 74, 0.08);
}

.form-input::placeholder {
  color: #C4A87E;
}

.form-submit {
  position: relative;
  overflow: hidden;
}

.form-submit::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  transition: left 0.5s ease;
}

.form-submit:hover::before {
  left: 100%;
}

/* ── Utility ── */
.reveal-visible {
  /* applied by JS */
}