/* ============================================
   AURUM RENOVATION - Luxury Renovation Website
   ============================================ */

/* === Reset & Base === */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-font-smoothing: antialiased; }
body {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 300;
  color: #E8E4DC;
  background: #0B0B0B;
  line-height: 1.8;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color 0.3s, opacity 0.3s; }
a:hover { opacity: 0.8; }
ul, ol { list-style: none; }

/* === Variables === */
:root {
  --black: #0B0B0B;
  --gold: #C5A55A;
  --gold-light: #D4BA76;
  --offwhite: #FAFAF5;
  --cream: #E8E4DC;
  --gray: #888;
  --dark-gray: #1A1A1A;
  --card-bg: #111111;
  --font-en: 'Cormorant Garamond', serif;
  --font-jp-heading: 'Shippori Mincho', serif;
  --font-jp-body: 'Noto Sans JP', sans-serif;
}

/* === Sample Banner === */
.sample-banner {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: var(--gold);
  color: var(--black);
  text-align: center;
  padding: 6px 16px;
  font-size: 12px;
  font-weight: 500;
  z-index: 10000;
  letter-spacing: 0.05em;
}

/* === Container === */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* === Typography === */
.section-label {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}
.section-title {
  font-family: var(--font-jp-heading);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 500;
  line-height: 1.5;
  color: var(--offwhite);
  margin-bottom: 24px;
  letter-spacing: 0.05em;
}
.section-desc {
  font-size: 15px;
  color: var(--gray);
  max-width: 600px;
  line-height: 2;
  margin-bottom: 48px;
}
.sp-only { display: none; }

/* === Buttons === */
.btn {
  display: inline-block;
  padding: 14px 40px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.1em;
  border: 1px solid var(--gold);
  transition: all 0.4s ease;
  cursor: pointer;
  text-align: center;
}
.btn-gold {
  background: var(--gold);
  color: var(--black);
}
.btn-gold:hover {
  background: var(--gold-light);
  opacity: 1;
}
.btn-outline {
  background: transparent;
  color: var(--gold);
}
.btn-outline:hover {
  background: var(--gold);
  color: var(--black);
  opacity: 1;
}
.btn-full { width: 100%; }

/* === Header === */
.header {
  position: fixed;
  top: 28px;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: background 0.4s, box-shadow 0.4s, top 0.4s;
}
.header.scrolled {
  background: rgba(11, 11, 11, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(197, 165, 90, 0.1);
}
.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo:hover { opacity: 1; }
.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.logo-name {
  font-family: var(--font-en);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--offwhite);
}
.logo-sub {
  font-family: var(--font-en);
  font-size: 9px;
  letter-spacing: 0.35em;
  color: var(--gold);
  margin-top: 2px;
}

/* Desktop Nav */
.nav-desktop {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-desktop a {
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: 0.15em;
  color: var(--cream);
  position: relative;
}
.nav-desktop a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width 0.3s;
}
.nav-desktop a:hover::after { width: 100%; }
.nav-desktop a:hover { opacity: 1; color: var(--gold); }
.nav-cta {
  padding: 8px 24px;
  border: 1px solid var(--gold);
  color: var(--gold) !important;
}
.nav-cta:hover {
  background: var(--gold);
  color: var(--black) !important;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1002;
}
.hamburger span {
  display: block;
  width: 28px;
  height: 1px;
  background: var(--cream);
  transition: all 0.3s;
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile Nav */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  height: 100vh;
  background: rgba(11, 11, 11, 0.98);
  backdrop-filter: blur(20px);
  z-index: 1001;
  transition: right 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  justify-content: center;
}
.mobile-nav.active { right: 0; }
.mobile-nav-inner { text-align: center; }
.mobile-nav-logo {
  font-family: var(--font-en);
  font-size: 14px;
  letter-spacing: 0.3em;
  color: var(--gold);
  margin-bottom: 48px;
}
.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.mobile-nav-links a {
  font-family: var(--font-en);
  font-size: 20px;
  letter-spacing: 0.2em;
  color: var(--cream);
}
.mobile-nav-links a:hover { color: var(--gold); }
.mobile-nav-phone {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(197, 165, 90, 0.2);
}
.mobile-nav-phone span {
  font-size: 12px;
  color: var(--gray);
  display: block;
  margin-bottom: 8px;
}
.mobile-nav-phone a {
  font-family: var(--font-en);
  font-size: 24px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

/* === Hero === */
.hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.05);
  animation: heroZoom 20s ease-in-out infinite alternate;
}
@keyframes heroZoom {
  0% { transform: scale(1.05); }
  100% { transform: scale(1.12); }
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(11, 11, 11, 0.6) 0%,
    rgba(11, 11, 11, 0.4) 40%,
    rgba(11, 11, 11, 0.7) 100%
  );
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 24px;
}
.hero-label {
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: 0.4em;
  color: var(--gold);
  margin-bottom: 24px;
}
.hero-title {
  font-family: var(--font-jp-heading);
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 600;
  line-height: 1.4;
  color: var(--offwhite);
  margin-bottom: 24px;
  letter-spacing: 0.08em;
}
.hero-desc {
  font-size: 15px;
  line-height: 2.2;
  color: rgba(232, 228, 220, 0.8);
  margin-bottom: 48px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 2;
}
.hero-scroll span {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gold);
}
.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 1; transform: scaleY(1); }
  50% { opacity: 0.4; transform: scaleY(0.6); }
}

/* === Sections === */
.section {
  padding: 120px 0;
  position: relative;
}

/* === Philosophy === */
.philosophy { border-bottom: 1px solid rgba(197, 165, 90, 0.08); }
.philosophy-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 64px;
  align-items: start;
  margin-top: 48px;
}
.philosophy-icon {
  opacity: 0.8;
  animation: iconRotate 30s linear infinite;
}
@keyframes iconRotate {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}
.philosophy-lead {
  font-family: var(--font-jp-heading);
  font-size: 20px;
  line-height: 2;
  color: var(--offwhite);
  margin-bottom: 24px;
}
.philosophy-text p {
  font-size: 15px;
  color: var(--cream);
  opacity: 0.7;
  margin-bottom: 16px;
  line-height: 2;
}

/* === Materials === */
.materials { background: var(--dark-gray); }
.materials-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.material-card {
  background: var(--card-bg);
  overflow: hidden;
  border: 1px solid rgba(197, 165, 90, 0.08);
  transition: border-color 0.4s, transform 0.4s;
}
.material-card:hover {
  border-color: rgba(197, 165, 90, 0.25);
  transform: translateY(-4px);
}
.material-img {
  height: 220px;
  overflow: hidden;
}
.material-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s;
}
.material-card:hover .material-img img { transform: scale(1.08); }
.material-info { padding: 28px; }
.material-num {
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--gold);
  display: block;
  margin-bottom: 8px;
}
.material-info h3 {
  font-family: var(--font-jp-heading);
  font-size: 18px;
  font-weight: 500;
  color: var(--offwhite);
  margin-bottom: 12px;
}
.material-info p {
  font-size: 13px;
  color: var(--gray);
  line-height: 1.9;
}

/* === Works === */
.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.work-card {
  background: var(--card-bg);
  border: 1px solid rgba(197, 165, 90, 0.08);
  overflow: hidden;
  transition: border-color 0.4s, transform 0.4s;
}
.work-card:hover {
  border-color: rgba(197, 165, 90, 0.25);
  transform: translateY(-4px);
}
.work-img {
  position: relative;
  height: 280px;
  overflow: hidden;
}
.work-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s;
}
.work-card:hover .work-img img { transform: scale(1.08); }
.work-overlay {
  position: absolute;
  inset: 0;
  background: rgba(11, 11, 11, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.4s;
}
.work-card:hover .work-overlay { opacity: 1; }
.work-overlay span {
  font-family: var(--font-en);
  font-size: 14px;
  letter-spacing: 0.2em;
  color: var(--gold);
  border: 1px solid var(--gold);
  padding: 10px 28px;
}
.work-info { padding: 24px; }
.work-tag {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gold);
  text-transform: uppercase;
  display: block;
  margin-bottom: 8px;
}
.work-info h3 {
  font-family: var(--font-jp-heading);
  font-size: 17px;
  font-weight: 500;
  color: var(--offwhite);
  margin-bottom: 8px;
}
.work-info p {
  font-size: 13px;
  color: var(--gray);
  margin-bottom: 12px;
}
.work-price {
  font-family: var(--font-en);
  font-size: 13px;
  color: var(--gold);
  letter-spacing: 0.05em;
}

/* === Services === */
.services { background: var(--dark-gray); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.service-card {
  background: var(--card-bg);
  padding: 40px 28px;
  border: 1px solid rgba(197, 165, 90, 0.08);
  text-align: center;
  transition: border-color 0.4s, transform 0.4s;
}
.service-card:hover {
  border-color: rgba(197, 165, 90, 0.25);
  transform: translateY(-4px);
}
.service-icon { margin-bottom: 24px; }
.service-card h3 {
  font-family: var(--font-jp-heading);
  font-size: 17px;
  font-weight: 500;
  color: var(--offwhite);
  margin-bottom: 16px;
}
.service-card p {
  font-size: 13px;
  color: var(--gray);
  line-height: 1.9;
}

/* === Numbers === */
.numbers {
  background: linear-gradient(135deg, var(--black) 0%, #0F0E0A 100%);
  border-top: 1px solid rgba(197, 165, 90, 0.08);
  border-bottom: 1px solid rgba(197, 165, 90, 0.08);
}
.numbers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 64px;
  text-align: center;
}
.number-value {
  margin-bottom: 12px;
}
.counter {
  font-family: var(--font-en);
  font-size: clamp(48px, 6vw, 72px);
  font-weight: 300;
  color: var(--gold);
  line-height: 1;
}
.number-unit {
  font-family: var(--font-jp-heading);
  font-size: 18px;
  color: var(--gold);
  margin-left: 4px;
}
.number-item p {
  font-size: 14px;
  color: var(--gray);
}

/* === Flow === */
.flow-steps {
  max-width: 800px;
  margin: 64px auto 0;
}
.flow-step {
  display: flex;
  gap: 32px;
  padding: 32px 0;
  border-bottom: 1px solid rgba(197, 165, 90, 0.08);
  align-items: flex-start;
}
.flow-step:last-child { border-bottom: none; }
.flow-num {
  font-family: var(--font-en);
  font-size: 36px;
  font-weight: 300;
  color: var(--gold);
  min-width: 60px;
  line-height: 1;
  padding-top: 4px;
}
.flow-content h3 {
  font-family: var(--font-jp-heading);
  font-size: 18px;
  font-weight: 500;
  color: var(--offwhite);
  margin-bottom: 8px;
}
.flow-content p {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.9;
}

/* === Company === */
.company { background: var(--dark-gray); }
.company-table {
  max-width: 800px;
  margin: 48px auto 0;
}
.company-row {
  display: flex;
  border-bottom: 1px solid rgba(197, 165, 90, 0.08);
  padding: 20px 0;
}
.company-th {
  font-family: var(--font-jp-heading);
  font-size: 14px;
  color: var(--gold);
  min-width: 160px;
  padding-top: 2px;
}
.company-td {
  font-size: 14px;
  color: var(--cream);
  opacity: 0.8;
  line-height: 1.9;
}
.company-td a { color: var(--gold); }

/* === Contact === */
.contact { padding-bottom: 80px; }
.contact-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 64px;
  margin-top: 48px;
  align-items: start;
}
.contact-phone {
  text-align: center;
  padding: 40px 32px;
  border: 1px solid rgba(197, 165, 90, 0.15);
  background: var(--card-bg);
}
.contact-phone-label {
  font-size: 13px;
  color: var(--gray);
  margin-bottom: 12px;
}
.contact-phone-number {
  font-family: var(--font-en);
  font-size: 28px;
  letter-spacing: 0.1em;
  color: var(--gold);
  display: block;
  margin-bottom: 8px;
}
.contact-phone-hours {
  font-size: 12px;
  color: var(--gray);
}
.contact-form { width: 100%; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}
.form-group { margin-bottom: 0; }
.form-group label {
  display: block;
  font-size: 13px;
  color: var(--cream);
  margin-bottom: 8px;
  font-weight: 400;
}
.required {
  font-size: 10px;
  color: var(--gold);
  margin-left: 4px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: 14px;
  font-family: var(--font-jp-body);
  color: var(--cream);
  background: var(--card-bg);
  border: 1px solid rgba(197, 165, 90, 0.15);
  outline: none;
  transition: border-color 0.3s;
  -webkit-appearance: none;
  border-radius: 0;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--gold);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(136, 136, 136, 0.5);
}
.form-group select { color: var(--gray); }
.form-group textarea { resize: vertical; }
.contact-form .form-group:last-of-type { margin-bottom: 24px; }

/* === Footer === */
.footer {
  background: #080808;
  padding: 64px 0 32px;
  border-top: 1px solid rgba(197, 165, 90, 0.08);
}
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 48px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.footer-links {
  display: flex;
  gap: 28px;
}
.footer-links a {
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.15em;
  color: var(--gray);
}
.footer-links a:hover { color: var(--gold); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid rgba(197, 165, 90, 0.05);
}
.footer-bottom p {
  font-size: 11px;
  color: var(--gray);
  opacity: 0.6;
}
.footer-credit a {
  color: var(--gold);
  opacity: 0.7;
}
.footer-credit a:hover { opacity: 1; }

/* === Animations === */
[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}

/* === Responsive === */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .numbers-grid { grid-template-columns: repeat(2, 1fr); gap: 48px; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-phone { max-width: 400px; margin: 0 auto; }
}

@media (max-width: 768px) {
  .sample-banner { font-size: 10px; padding: 5px 12px; }
  .header { top: 24px; }
  .header-inner { padding: 12px 20px; }
  .nav-desktop { display: none; }
  .hamburger { display: flex; }
  .sp-only { display: inline; }

  .hero { min-height: 100vh; }
  .hero-desc { font-size: 14px; }

  .section { padding: 80px 0; }

  .philosophy-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    text-align: center;
  }
  .philosophy-icon { margin: 0 auto; }

  .materials-grid { grid-template-columns: 1fr; }
  .material-img { height: 200px; }

  .works-grid { grid-template-columns: 1fr; }
  .work-img { height: 240px; }

  .services-grid { grid-template-columns: 1fr; }

  .numbers-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }

  .flow-step { gap: 20px; }
  .flow-num { font-size: 28px; min-width: 44px; }

  .company-row { flex-direction: column; gap: 4px; }
  .company-th { min-width: auto; }

  .form-row { grid-template-columns: 1fr; }

  .footer-top { flex-direction: column; gap: 32px; text-align: center; }
  .footer-links { flex-wrap: wrap; justify-content: center; gap: 16px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 32px; }
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-actions .btn { width: 260px; }
  .counter { font-size: 48px; }
  .logo-name { font-size: 18px; }
  .material-info { padding: 20px; }
  .service-card { padding: 32px 20px; }
  .contact-phone { padding: 32px 20px; }
  .contact-phone-number { font-size: 24px; }
}

/* === Decorative Gold Line Dividers === */
.section::before {
  content: '';
  display: block;
  width: 40px;
  height: 1px;
  background: var(--gold);
  margin: 0 auto 0;
  opacity: 0;
}
.philosophy::before,
.materials::before,
.works::before,
.services::before,
.numbers::before,
.flow::before,
.company::before,
.contact::before {
  opacity: 0;
}

/* === Gold Accent Borders on Hover === */
.material-card::before,
.work-card::before,
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  transition: width 0.5s ease;
}
.material-card,
.work-card,
.service-card {
  position: relative;
}
.material-card:hover::before,
.work-card:hover::before,
.service-card:hover::before {
  width: 100%;
}

/* === Loading & Page Transition === */
.page-loader {
  position: fixed;
  inset: 0;
  background: var(--black);
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
.page-loader.hidden {
  opacity: 0;
  visibility: hidden;
}
.loader-logo {
  font-family: var(--font-en);
  font-size: 24px;
  letter-spacing: 0.3em;
  color: var(--gold);
  animation: loaderPulse 1.5s ease-in-out infinite;
}
@keyframes loaderPulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* === Subtle Texture Overlay === */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.03) 2px,
    rgba(0, 0, 0, 0.03) 4px
  );
  pointer-events: none;
  z-index: 1;
}

/* === Selection Color === */
::selection {
  background: var(--gold);
  color: var(--black);
}
::-moz-selection {
  background: var(--gold);
  color: var(--black);
}

/* === Scrollbar === */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--black);
}
::-webkit-scrollbar-thumb {
  background: rgba(197, 165, 90, 0.3);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(197, 165, 90, 0.6);
}

/* === Focus States for Accessibility === */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

/* === Image Placeholder Shimmer === */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
.material-img,
.work-img {
  background: linear-gradient(
    90deg,
    var(--card-bg) 25%,
    #1a1a1a 50%,
    var(--card-bg) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 2s ease-in-out infinite;
}

/* === Additional Animation Variants === */
[data-animate="fade-left"] {
  opacity: 0;
  transform: translateX(-30px);
}
[data-animate="fade-left"].visible {
  opacity: 1;
  transform: translateX(0);
}
[data-animate="fade-right"] {
  opacity: 0;
  transform: translateX(30px);
}
[data-animate="fade-right"].visible {
  opacity: 1;
  transform: translateX(0);
}
[data-animate="fade-scale"] {
  opacity: 0;
  transform: scale(0.95);
}
[data-animate="fade-scale"].visible {
  opacity: 1;
  transform: scale(1);
}

/* === Gold Gradient Text Utility === */
.text-gold-gradient {
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* === Divider Utility === */
.gold-divider {
  width: 48px;
  height: 1px;
  background: var(--gold);
  margin: 24px 0;
  opacity: 0.5;
}
.gold-divider-center {
  width: 48px;
  height: 1px;
  background: var(--gold);
  margin: 24px auto;
  opacity: 0.5;
}

/* === Card Glow Effect === */
.service-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 0;
  opacity: 0;
  background: radial-gradient(
    circle at 50% 0%,
    rgba(197, 165, 90, 0.06) 0%,
    transparent 60%
  );
  transition: opacity 0.5s;
  pointer-events: none;
}
.service-card:hover::after {
  opacity: 1;
}

/* === Subtle Section Background Patterns === */
.philosophy {
  background-image: radial-gradient(
    circle at 90% 20%,
    rgba(197, 165, 90, 0.03) 0%,
    transparent 50%
  );
}
.flow {
  background-image: radial-gradient(
    circle at 10% 80%,
    rgba(197, 165, 90, 0.03) 0%,
    transparent 50%
  );
}

/* === Responsive Spacing Fine-Tune === */
@media (min-width: 1400px) {
  .container { max-width: 1320px; }
  .hero-title { font-size: 68px; }
  .section { padding: 140px 0; }
  .works-grid { gap: 32px; }
  .materials-grid { gap: 32px; }
  .services-grid { gap: 32px; }
}

/* === Print Styles === */
@media print {
  .sample-banner,
  .header,
  .mobile-nav,
  .hero-scroll,
  .contact-form { display: none; }
  body { background: white; color: #333; }
  .section { padding: 40px 0; break-inside: avoid; }
  .hero { min-height: auto; height: auto; padding: 60px 0; }
  .hero-bg { display: none; }
  .hero-content { position: static; }
  .hero-title { color: #333; }
  .section-title { color: #333; }
  .section-label { color: #999; }
}