/* ===========================
   NKR.DESIGN - Premium Delivery Service CSS
   =========================== */

/* --- CSS Variables --- */
:root {
  --gold: #C9A84C;
  --gold-light: #E8C97A;
  --gold-dark: #A07830;
  --dark: #1A1410;
  --dark-mid: #231C14;
  --dark-light: #2E2318;
  --brown: #3D2B1A;
  --brown-mid: #5C3D22;
  --cream: #F5EDD8;
  --cream-light: #FAF5EC;
  --text-light: #E8DCC8;
  --text-muted: #A89878;
  --gold-bg: #2A2015;
  --transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --font-serif: 'Cormorant Garamond', 'Noto Serif JP', serif;
  --font-display: 'Cinzel', 'Cormorant Garamond', serif;
  --font-body: 'Noto Serif JP', 'Hiragino Mincho ProN', serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--dark);
  color: var(--text-light);
  line-height: 1.8;
  overflow-x: hidden;
}

body.loading {
  overflow: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition);
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

.gold-text {
  color: var(--gold);
}

.pc-br { display: block; }

/* --- Loading Screen --- */
#loading-screen {
  position: fixed;
  inset: 0;
  background: var(--dark);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}

#loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
}

.loading-content {
  text-align: center;
}

.loading-logo {
  width: 140px;
  height: 140px;
  margin: 0 auto 24px;
  animation: pulse 2s ease-in-out infinite;
}

.logo-svg {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.loading-brand {
  font-family: var(--font-display);
  font-size: 1.4rem;
  letter-spacing: 0.3em;
  color: var(--gold);
  margin-bottom: 30px;
}

.loading-bar {
  width: 200px;
  height: 1px;
  background: rgba(201,168,76,0.2);
  margin: 0 auto;
  overflow: hidden;
}

.loading-progress {
  height: 100%;
  background: var(--gold);
  width: 0%;
  animation: load 2s ease forwards;
}

@keyframes load {
  to { width: 100%; }
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(0.95); }
}

/* --- Navigation --- */
#header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: background var(--transition), box-shadow var(--transition);
}

#header.scrolled {
  background: rgba(26, 20, 16, 0.96);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 30px rgba(0,0,0,0.4);
  border-bottom: 1px solid rgba(201,168,76,0.15);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo a {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-logo-svg {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  object-fit: contain;
}

.nav-brand {
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-menu a {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--text-muted);
  position: relative;
  transition: color var(--transition);
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width var(--transition);
}

.nav-menu a:hover {
  color: var(--gold);
}

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

.nav-contact {
  padding: 10px 24px !important;
  border: 1px solid var(--gold) !important;
  color: var(--gold) !important;
  border-radius: 1px;
  transition: background var(--transition) !important;
}

.nav-contact:hover {
  background: var(--gold) !important;
  color: var(--dark) !important;
}

.nav-contact::after {
  display: none !important;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.hamburger span {
  display: block;
  width: 28px;
  height: 1px;
  background: var(--gold);
  transition: transform var(--transition), opacity var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
  display: none;
  background: rgba(26, 20, 16, 0.98);
  border-top: 1px solid rgba(201,168,76,0.2);
}

.mobile-menu.open {
  display: block;
}

.mobile-menu ul {
  padding: 20px 32px 30px;
}

.mobile-menu li {
  border-bottom: 1px solid rgba(201,168,76,0.1);
}

.mobile-menu a {
  display: block;
  padding: 16px 0;
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  transition: color var(--transition), padding var(--transition);
}

.mobile-menu a:hover {
  color: var(--gold);
  padding-left: 8px;
}

/* --- Hero Section --- */
#hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(20, 14, 8, 0.82) 0%, rgba(26, 20, 16, 0.72) 50%, rgba(20, 14, 8, 0.80) 100%),
    url('../images/hero-bg.jpg') center/cover no-repeat;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 30%, rgba(26,20,16,0.6) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 20px;
  max-width: 800px;
}

.hero-eyebrow {
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.4em;
  color: var(--gold);
  margin-bottom: 20px;
  opacity: 0;
  animation: fadeInUp 1s ease 0.5s forwards;
}

.ornament-top, .ornament-bottom {
  width: 300px;
  margin: 0 auto 16px;
  opacity: 0;
  animation: fadeInUp 1s ease 0.7s forwards;
}

.ornament-bottom {
  margin: 16px auto;
  animation-delay: 1.1s;
}

.hero-title {
  font-family: var(--font-body);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 300;
  letter-spacing: 0.12em;
  color: var(--cream);
  line-height: 1.4;
  margin-bottom: 10px;
  opacity: 0;
  animation: fadeInUp 1s ease 0.9s forwards;
}

.hero-subtitle {
  font-size: 1rem;
  font-weight: 300;
  color: var(--gold-light);
  letter-spacing: 0.1em;
  margin-bottom: 8px;
  opacity: 0;
  animation: fadeInUp 1s ease 1.2s forwards;
}

.hero-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  margin-bottom: 40px;
  opacity: 0;
  animation: fadeInUp 1s ease 1.4s forwards;
}

.hero-cta {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeInUp 1s ease 1.6s forwards;
}

.btn-primary {
  display: inline-block;
  padding: 16px 44px;
  background: var(--gold);
  color: var(--dark);
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.25em;
  border: 1px solid var(--gold);
  transition: all var(--transition);
}

.btn-primary:hover {
  background: transparent;
  color: var(--gold);
}

.btn-secondary {
  display: inline-block;
  padding: 16px 44px;
  background: transparent;
  color: var(--gold);
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.25em;
  border: 1px solid rgba(201,168,76,0.5);
  transition: all var(--transition);
}

.btn-secondary:hover {
  border-color: var(--gold);
  background: rgba(201,168,76,0.08);
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  z-index: 2;
  opacity: 0;
  animation: fadeIn 1s ease 2s forwards;
}

.hero-scroll span {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  color: var(--text-muted);
}

.scroll-line {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  animation: scrollAnim 2s ease-in-out infinite;
}

@keyframes scrollAnim {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* --- Section Commons --- */
.section-dark {
  background: var(--dark-mid);
  padding: 100px 0;
}

.section-gold-bg {
  background: var(--gold-bg);
  padding: 100px 0;
}

.section-mid {
  background: var(--dark);
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 70px;
}

.section-label {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.4em;
  color: var(--gold);
  margin-bottom: 16px;
  display: block;
}

.section-title {
  font-family: var(--font-body);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 300;
  color: var(--cream);
  line-height: 1.4;
  letter-spacing: 0.05em;
  margin-bottom: 24px;
}

.section-title-light {
  font-family: var(--font-body);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 300;
  color: var(--cream);
  line-height: 1.4;
  letter-spacing: 0.05em;
  margin-bottom: 24px;
}

.section-subtitle {
  font-size: 0.88rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.section-subtitle-light {
  font-size: 0.88rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.gold-divider {
  width: 60px;
  height: 1px;
  background: var(--gold);
  margin: 20px auto 24px;
  position: relative;
}

.gold-divider::before, .gold-divider::after {
  content: '';
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 4px;
  background: var(--gold);
  border-radius: 50%;
}

.gold-divider::before { left: -10px; }
.gold-divider::after { right: -10px; }

.gold-divider-light {
  width: 60px;
  height: 1px;
  background: var(--gold);
  margin: 20px auto 24px;
}

/* --- Concept Section --- */
#concept {
  background: var(--dark-mid);
  padding: 100px 0;
}

.concept-inner {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.concept-text {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 2;
  margin-bottom: 60px;
  font-weight: 300;
}

.concept-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  border: 1px solid rgba(201,168,76,0.2);
  padding: 40px;
  background: rgba(201,168,76,0.03);
}

.stat-item {
  flex: 1;
  text-align: center;
  padding: 0 20px;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 2.8rem;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 10px;
  letter-spacing: 0.05em;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.stat-divider {
  width: 1px;
  height: 60px;
  background: rgba(201,168,76,0.2);
  flex-shrink: 0;
}

/* --- Service Section --- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.service-card {
  background: rgba(26, 20, 16, 0.7);
  border: 1px solid rgba(201,168,76,0.2);
  padding: 40px 36px;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  opacity: 0;
  transform: translateY(30px);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 0;
  background: var(--gold);
  transition: height 0.5s ease;
}

.service-card:hover::before {
  height: 100%;
}

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

.service-card:hover {
  transform: translateY(-8px);
  border-color: rgba(201,168,76,0.5);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4), 0 0 30px rgba(201,168,76,0.08);
}

.service-icon {
  width: 56px;
  height: 56px;
  border: 1px solid rgba(201,168,76,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: var(--gold);
  font-size: 1.4rem;
  transition: background var(--transition), border-color var(--transition);
}

.service-card:hover .service-icon {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--dark);
}

.service-card h3 {
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--cream);
  letter-spacing: 0.08em;
  line-height: 1.5;
  margin-bottom: 14px;
}

.service-divider {
  width: 30px;
  height: 1px;
  background: var(--gold);
  margin-bottom: 16px;
  opacity: 0.6;
}

.service-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.9;
  margin-bottom: 20px;
  font-weight: 300;
}

.service-features {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.service-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.service-features li i {
  color: var(--gold);
  font-size: 0.7rem;
}

/* --- Features Section --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: rgba(201,168,76,0.1);
}

.feature-item {
  background: var(--dark-mid);
  padding: 44px 32px;
  position: relative;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease, background var(--transition);
}

.feature-item.visible {
  opacity: 1;
  transform: translateY(0);
}

.feature-item:hover {
  background: var(--dark-light);
}

.feature-num {
  font-family: var(--font-display);
  font-size: 3.5rem;
  color: rgba(201,168,76,0.12);
  position: absolute;
  top: 20px;
  right: 24px;
  line-height: 1;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.feature-content {
  position: relative;
}

.feature-icon-wrap {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(201,168,76,0.25);
  color: var(--gold);
  font-size: 1.1rem;
  margin-bottom: 20px;
  transition: background var(--transition);
}

.feature-item:hover .feature-icon-wrap {
  background: rgba(201,168,76,0.1);
}

.feature-content h3 {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  color: var(--cream);
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}

.feature-content p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.9;
  font-weight: 300;
}

/* --- Flow Section --- */
.flow-container {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  max-width: 900px;
  margin: 0 auto;
}

.flow-step {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

.flow-circle {
  width: 64px;
  height: 64px;
  border: 1px solid var(--gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--dark);
  position: relative;
  z-index: 2;
  transition: background var(--transition);
}

.flow-step:hover .flow-circle {
  background: rgba(201,168,76,0.1);
}

.flow-num {
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--gold);
  letter-spacing: 0.05em;
}

.flow-connector {
  position: absolute;
  top: 32px;
  left: 50%;
  width: 100%;
  height: 1px;
  background: rgba(201,168,76,0.3);
  z-index: 1;
}

.flow-body {
  margin-top: 24px;
  text-align: center;
  padding: 0 12px;
}

.flow-body h3 {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--cream);
  margin-bottom: 10px;
  letter-spacing: 0.05em;
}

.flow-body p {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.8;
  font-weight: 300;
}

/* --- Q&A Section --- */
.qa-list {
  max-width: 800px;
  margin: 0 auto;
}

.qa-item {
  border: 1px solid rgba(201,168,76,0.15);
  margin-bottom: 2px;
  background: rgba(201,168,76,0.02);
  transition: border-color var(--transition);
}

.qa-item:hover {
  border-color: rgba(201,168,76,0.3);
}

.qa-question {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px 28px;
  cursor: pointer;
  user-select: none;
  transition: background var(--transition);
}

.qa-question:hover {
  background: rgba(201,168,76,0.04);
}

.qa-q-label {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--gold);
  font-weight: 500;
  flex-shrink: 0;
  width: 30px;
}

.qa-q-text {
  flex: 1;
  font-size: 0.95rem;
  color: var(--cream);
  font-weight: 300;
  letter-spacing: 0.03em;
  line-height: 1.6;
}

.qa-toggle {
  color: var(--gold);
  font-size: 0.85rem;
  flex-shrink: 0;
  transition: transform var(--transition);
}

.qa-item.open .qa-toggle {
  transform: rotate(180deg);
}

.qa-answer {
  display: none;
  padding: 0 28px 24px 78px;
  gap: 0;
}

.qa-answer.open {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.qa-a-label {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--gold-dark);
  font-weight: 500;
  flex-shrink: 0;
  width: 30px;
  margin-top: 2px;
}

.qa-a-text {
  flex: 1;
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 2;
  font-weight: 300;
}

/* --- Testimonials --- */
.testimonials-slider {
  position: relative;
  overflow: hidden;
  max-width: 900px;
  margin: 0 auto;
}

.testimonial-track {
  display: flex;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.testimonial-card {
  min-width: 100%;
  padding: 0 20px;
}

.testimonial-quote {
  font-family: var(--font-display);
  font-size: 4rem;
  color: var(--gold);
  line-height: 1;
  margin-bottom: -20px;
  opacity: 0.4;
}

.testimonial-text {
  font-size: 1rem;
  color: var(--text-light);
  line-height: 2;
  font-weight: 300;
  margin-bottom: 30px;
  padding: 30px 36px;
  border: 1px solid rgba(201,168,76,0.2);
  background: rgba(26,20,16,0.5);
  font-style: italic;
  position: relative;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 10px;
}

.author-initial {
  width: 48px;
  height: 48px;
  border: 1px solid var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.75rem;
  color: var(--gold);
  letter-spacing: 0.05em;
}

.author-name {
  font-size: 0.9rem;
  color: var(--cream);
  font-weight: 400;
}

.author-type {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.slider-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-top: 40px;
}

.slider-btn {
  width: 44px;
  height: 44px;
  border: 1px solid rgba(201,168,76,0.3);
  background: transparent;
  color: var(--gold);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  transition: all var(--transition);
}

.slider-btn:hover {
  background: rgba(201,168,76,0.1);
  border-color: var(--gold);
}

.slider-dots {
  display: flex;
  gap: 10px;
}

.dot {
  width: 6px;
  height: 6px;
  background: rgba(201,168,76,0.3);
  border-radius: 50%;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}

.dot.active {
  background: var(--gold);
  transform: scale(1.3);
}

/* --- Contact Section --- */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: start;
}

.contact-brand {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 40px;
  padding-bottom: 30px;
  border-bottom: 1px solid rgba(201,168,76,0.15);
}

.contact-logo-svg {
  width: 54px;
  height: 54px;
  flex-shrink: 0;
  object-fit: contain;
}

.contact-brand-name {
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--gold);
  letter-spacing: 0.15em;
}

.contact-brand-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.2em;
  margin-top: 4px;
}

.contact-detail-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.contact-detail-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-detail-item > i {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(201,168,76,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  font-size: 0.85rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.cd-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  margin-bottom: 4px;
}

.cd-value {
  font-size: 0.95rem;
  color: var(--cream);
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.cd-note {
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* --- Contact Form --- */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--text-muted);
}

.required {
  color: var(--gold);
}

.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(201,168,76,0.2);
  color: var(--cream);
  padding: 14px 18px;
  font-family: var(--font-body);
  font-size: 0.88rem;
  transition: border-color var(--transition), background var(--transition);
  outline: none;
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(168,152,120,0.4);
}

.form-group select option {
  background: var(--dark-mid);
  color: var(--cream);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--gold);
  background: rgba(201,168,76,0.04);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* Google Form Box — Eminent */
.contact-gform-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 52px 40px;
  border: 1px solid rgba(201,168,76,0.2);
  border-radius: 8px;
  background: rgba(255,255,255,0.02);
}
.contact-gform-lead {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.55);
  line-height: 2;
  margin-bottom: 32px;
  letter-spacing: 0.04em;
}
.btn-gform {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 18px 52px;
  background: var(--gold);
  color: var(--dark);
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0.2em;
  border-radius: 2px;
  transition: all 0.3s ease;
  text-decoration: none;
}
.btn-gform:hover {
  background: transparent;
  color: var(--gold);
  border: 1px solid var(--gold);
  opacity: 1;
}

.btn-form-submit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 18px 40px;
  background: var(--gold);
  border: 1px solid var(--gold);
  color: var(--dark);
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  cursor: pointer;
  transition: all var(--transition);
  width: 100%;
}

.btn-form-submit:hover {
  background: transparent;
  color: var(--gold);
}

.form-success {
  display: none;
  text-align: center;
  padding: 60px 40px;
  border: 1px solid rgba(201,168,76,0.2);
}

.form-success i {
  font-size: 2.5rem;
  color: var(--gold);
  display: block;
  margin-bottom: 20px;
}

.form-success h3 {
  font-family: var(--font-body);
  font-size: 1.3rem;
  font-weight: 300;
  color: var(--cream);
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}

.form-success p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* --- Footer --- */
#footer {
  border-top: 1px solid rgba(201,168,76,0.1);
}

.footer-top {
  background: var(--dark);
  padding: 70px 0;
}

.footer-inner {
  display: flex;
  align-items: flex-start;
  gap: 80px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.footer-logo-svg {
  width: 48px;
  height: 48px;
  object-fit: contain;
  flex-shrink: 0;
}

.footer-brand-name {
  font-family: var(--font-display);
  font-size: 0.82rem;
  color: var(--gold);
  letter-spacing: 0.12em;
  line-height: 1.6;
}

.footer-brand-sub {
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.2em;
}

.footer-nav {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.footer-nav-title {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  color: var(--gold);
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(201,168,76,0.15);
}

.footer-nav ul li {
  margin-bottom: 10px;
}

.footer-nav ul li a {
  font-size: 0.78rem;
  color: var(--text-muted);
  transition: color var(--transition), padding var(--transition);
  display: block;
}

.footer-nav ul li a:hover {
  color: var(--gold);
  padding-left: 6px;
}

.footer-bottom {
  background: var(--dark-mid);
  border-top: 1px solid rgba(201,168,76,0.08);
  padding: 20px 0;
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.copyright {
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-size: 0.72rem;
  color: var(--text-muted);
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--gold);
}

/* --- Back to Top --- */
.back-to-top {
  position: fixed;
  bottom: 40px;
  right: 40px;
  width: 48px;
  height: 48px;
  background: rgba(26,20,16,0.9);
  border: 1px solid rgba(201,168,76,0.3);
  color: var(--gold);
  font-size: 0.85rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  opacity: 0;
  visibility: hidden;
  z-index: 900;
  backdrop-filter: blur(8px);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--gold);
  color: var(--dark);
  border-color: var(--gold);
}

/* --- Animations --- */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Nav Back Button --- */
.nav-back {
  display: flex !important;
  align-items: center;
  gap: 6px;
  font-size: 0.7rem !important;
  color: rgba(201,168,76,0.6) !important;
  border: 1px solid rgba(201,168,76,0.2);
  padding: 6px 14px !important;
  border-radius: 2px;
  transition: all 0.3s ease !important;
}
.nav-back::after { display: none !important; }
.nav-back:hover { color: var(--gold) !important; border-color: var(--gold) !important; }

/* --- Footer LINE Button (eminent) --- */
.footer-line-section {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 32px 20px;
  background: rgba(0,0,0,0.2);
  border-top: 1px solid rgba(201,168,76,0.1);
  flex-wrap: wrap;
}
.footer-line-link {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 36px;
  background: #06C755;
  color: white;
  font-size: 0.9rem; font-weight: 700;
  border-radius: 4px;
  transition: opacity 0.3s ease, transform 0.3s ease;
  box-shadow: 0 4px 16px rgba(6,199,85,0.3);
}
.footer-line-link:hover { opacity: 0.85; transform: translateY(-2px); }
/* Instagram button — Eminent footer */
.footer-instagram-link {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 36px;
  background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
  color: white;
  font-size: 0.9rem; font-weight: 700;
  border-radius: 4px;
  transition: opacity 0.3s ease, transform 0.3s ease;
  box-shadow: 0 4px 16px rgba(220,39,67,0.3);
}
.footer-instagram-link:hover { opacity: 0.85; transform: translateY(-2px); }
.footer-home-link {
  display: flex; align-items: center; gap: 8px;
  padding: 14px 28px;
  border: 1px solid rgba(201,168,76,0.3);
  color: var(--text-muted);
  font-size: 0.8rem; letter-spacing: 0.1em;
  transition: all 0.3s ease;
}
.footer-home-link:hover { border-color: var(--gold); color: var(--gold); }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .service-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 40px;
  }

  .footer-nav {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .mobile-menu {
    display: none;
  }

  .mobile-menu.open {
    display: block;
  }

  .pc-br { display: none; }

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

  .features-grid {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .flow-container {
    flex-direction: column;
    align-items: center;
    gap: 0;
  }

  .flow-step {
    flex-direction: row;
    align-items: flex-start;
    gap: 20px;
    width: 100%;
    max-width: 400px;
    padding-bottom: 30px;
  }

  .flow-connector {
    position: absolute;
    top: 32px;
    left: 32px;
    width: 1px;
    height: calc(100% - 32px);
    background: rgba(201,168,76,0.3);
  }

  .flow-step:last-child .flow-connector {
    display: none;
  }

  .flow-body {
    text-align: left;
    margin-top: 0;
    padding: 0;
  }

  .concept-stats {
    flex-direction: column;
    gap: 30px;
    padding: 30px;
  }

  .stat-divider {
    width: 60px;
    height: 1px;
  }

  .footer-nav {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }

  .footer-bottom-inner {
    flex-direction: column;
    text-align: center;
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  .section-dark, .section-gold-bg, .section-mid, #concept {
    padding: 70px 0;
  }
}

@media (max-width: 480px) {
  .nav-container {
    padding: 0 20px;
  }

  .container {
    padding: 0 16px;
  }

  .service-card {
    padding: 28px 24px;
  }

  .footer-nav {
    grid-template-columns: 1fr;
  }

  .back-to-top {
    bottom: 20px;
    right: 20px;
  }
}
