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

:root {
  --gold: #B8860B;
  --gold-light: #D4A843;
  --gold-pale: #F5ECD7;
  --black: #0A0A0A;
  --dark: #111111;
  --dark-2: #181818;
  --gray-900: #1C1C1C;
  --gray-800: #2A2A2A;
  --gray-600: #666666;
  --gray-400: #999999;
  --gray-200: #E0E0E0;
  --gray-100: #F4F4F4;
  --white: #FFFFFF;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--black);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 28px;
}

.hidden { display: none !important; }

/* ===== Typography ===== */
h1, h2, h3 {
  font-family: 'DM Serif Display', Georgia, serif;
  line-height: 1.12;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.8rem, 6.5vw, 5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); }
h3 { font-size: 1.3rem; }

.label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 36px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  border-radius: 100px;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-gold {
  background: var(--gold);
  color: var(--white);
}

.btn-gold:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(184, 134, 11, 0.3);
}

.btn-ghost {
  background: rgba(255,255,255,0.1);
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.25);
  backdrop-filter: blur(4px);
}

.btn-ghost:hover {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}

.btn-nav {
  padding: 10px 28px;
  background: var(--gold);
  color: var(--white);
  border-radius: 100px;
}

.btn-nav:hover {
  background: var(--gold-light);
}

.btn-full { width: 100%; }

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 24px 0;
  transition: all var(--transition);
}

.nav.scrolled {
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(20px);
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo-img {
  height: 56px;
  width: auto;
  object-fit: contain;
  filter: invert(1);
  transition: opacity var(--transition);
}

.logo-img:hover {
  opacity: 0.85;
}

.logo-img-footer {
  height: 44px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 40px;
  list-style: none;
}

.nav-links a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  transition: color var(--transition);
  letter-spacing: 0.01em;
}

.nav-links a:hover { color: var(--white); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 28px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
  transform-origin: center;
}

.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 6px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -6px); }

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top, rgba(10,10,10,0.95) 0%, rgba(10,10,10,0.5) 40%, rgba(10,10,10,0.2) 70%, rgba(10,10,10,0.35) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  color: var(--white);
  padding: 0 0 100px;
  max-width: 760px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 28px;
  padding: 10px 20px;
  background: rgba(184, 134, 11, 0.12);
  border: 1px solid rgba(184, 134, 11, 0.2);
  border-radius: 100px;
}

.hero h1 { margin-bottom: 24px; }

.hero-sub {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.6);
  max-width: 560px;
  margin-bottom: 44px;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-scroll {
  position: absolute;
  right: 40px;
  bottom: 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  z-index: 2;
}

.hero-scroll span {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  writing-mode: vertical-lr;
}

.scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.3), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* ===== Marquee ===== */
.marquee {
  background: var(--gold);
  color: var(--white);
  padding: 16px 0;
  overflow: hidden;
  white-space: nowrap;
}

.marquee-track {
  display: flex;
  gap: 40px;
  animation: marquee 25s linear infinite;
  width: max-content;
}

.marquee-track span {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.marquee-track .dot {
  width: 5px;
  height: 5px;
  background: rgba(255,255,255,0.5);
  border-radius: 50%;
  align-self: center;
  flex-shrink: 0;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

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

.section-dark {
  background: var(--dark);
  color: var(--white);
}

.section-intro {
  margin-bottom: 72px;
}

.section-intro h2 {
  margin-bottom: 20px;
}

.intro-text {
  max-width: 520px;
  color: rgba(255,255,255,0.5);
  font-size: 1.05rem;
  line-height: 1.75;
}

/* ===== About ===== */
.about-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  margin-bottom: 72px;
  align-items: start;
}

.about-left h2 {
  margin-bottom: 0;
}

.about-right p {
  color: var(--gray-600);
  font-size: 1.02rem;
  line-height: 1.85;
  margin-bottom: 20px;
}

.about-right p:last-child { margin-bottom: 0; }

.about-images {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 20px;
  height: 420px;
}

.about-img {
  border-radius: var(--radius);
  overflow: hidden;
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.about-img.in-view {
  opacity: 1;
  transform: translateY(0);
}

.about-img-2 { transition-delay: 0.12s; }
.about-img-3 { transition-delay: 0.24s; }

/* ===== Stats Bar ===== */
.stats-bar {
  background: var(--dark);
  padding: 64px 0;
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.stat-item {
  text-align: center;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.stat-item.in-view {
  opacity: 1;
  transform: translateY(0);
}

.stat-item:nth-child(2) { transition-delay: 0.08s; }
.stat-item:nth-child(3) { transition-delay: 0.16s; }
.stat-item:nth-child(4) { transition-delay: 0.24s; }

.stat-value {
  display: block;
  font-family: 'DM Serif Display', serif;
  font-size: 1.6rem;
  color: var(--gold-light);
  margin-bottom: 8px;
}

.stat-desc {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 500;
}

/* ===== Projects ===== */
.projects {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.project {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: center;
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.project.in-view {
  opacity: 1;
  transform: translateY(0);
}

.project:nth-child(even) { direction: rtl; }
.project:nth-child(even) > * { direction: ltr; }

.project-img {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 16 / 11;
}

.project-img img {
  transition: transform 0.6s ease;
}

.project:hover .project-img img {
  transform: scale(1.04);
}

.project-tag {
  position: absolute;
  top: 20px;
  left: 20px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 8px 16px;
  background: var(--gold);
  color: var(--white);
  border-radius: 100px;
}

.project-details h3 {
  color: var(--white);
  font-size: 1.6rem;
  margin-bottom: 16px;
}

.project-details p {
  color: rgba(255,255,255,0.5);
  line-height: 1.8;
  margin-bottom: 24px;
  font-size: 0.95rem;
}

.project-scope {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
}

.project-scope li {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 8px 16px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 100px;
  color: rgba(255,255,255,0.5);
}

/* ===== Process ===== */
.process-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--gray-200);
}

.step {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 48px;
  padding: 56px 0;
  border-bottom: 1px solid var(--gray-200);
  align-items: start;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.step.in-view {
  opacity: 1;
  transform: translateY(0);
}

.step:nth-child(2) { transition-delay: 0.1s; }
.step:nth-child(3) { transition-delay: 0.2s; }

.step-num {
  font-family: 'DM Serif Display', serif;
  font-size: 3.5rem;
  color: var(--gold);
  line-height: 1;
  opacity: 0.35;
}

.step-body h3 {
  font-size: 1.6rem;
  margin-bottom: 12px;
}

.step-body p {
  color: var(--gray-600);
  font-size: 1.02rem;
  line-height: 1.8;
  max-width: 540px;
}

/* ===== CTA Section ===== */
.section-cta {
  background: var(--gray-100);
}

.cta-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.cta-image {
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4 / 5;
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.cta-image.in-view {
  opacity: 1;
  transform: translateX(0);
}

.cta-text {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.cta-text.in-view {
  opacity: 1;
  transform: translateX(0);
}

.cta-text h2 { margin-bottom: 20px; }

.cta-text > p {
  color: var(--gray-600);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 32px;
}

.cta-list {
  list-style: none;
  margin-bottom: 40px;
}

.cta-list li {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--black);
  padding: 10px 0;
}

.cta-list svg {
  width: 20px;
  height: 20px;
  color: var(--gold);
  flex-shrink: 0;
}

/* ===== Contact ===== */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
}

.contact-info {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.contact-info.in-view {
  opacity: 1;
  transform: translateY(0);
}

.contact-info h2 { margin-bottom: 20px; }

.contact-info > p {
  color: rgba(255,255,255,0.5);
  font-size: 1.02rem;
  line-height: 1.8;
  margin-bottom: 40px;
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  color: rgba(255,255,255,0.6);
  font-size: 0.95rem;
}

.contact-detail svg {
  width: 22px;
  height: 22px;
  color: var(--gold-light);
  flex-shrink: 0;
}

.contact-form {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
  transition-delay: 0.1s;
}

.contact-form.in-view {
  opacity: 1;
  transform: translateY(0);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 16px 20px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.92rem;
  color: var(--white);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  outline: none;
  -webkit-appearance: none;
}

.form-group select {
  color: rgba(255,255,255,0.35);
  cursor: pointer;
}

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

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255,255,255,0.3);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--gold);
  background: rgba(255,255,255,0.08);
  box-shadow: 0 0 0 3px rgba(184, 134, 11, 0.12);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

/* ===== Footer ===== */
.footer {
  background: var(--black);
  color: var(--white);
  padding: 72px 0 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 80px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.logo-footer {
  margin-bottom: 20px;
}

.footer-brand p {
  color: rgba(255,255,255,0.35);
  font-size: 0.9rem;
  line-height: 1.65;
}

.footer-nav {
  display: flex;
  gap: 64px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-col h4 {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.35);
  margin-bottom: 4px;
}

.footer-col a {
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color var(--transition);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding: 28px 0;
}

.footer-bottom p {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.25);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .about-layout { gap: 48px; }
  .cta-layout { gap: 48px; }
  .contact-layout { gap: 48px; }
}

@media (max-width: 900px) {
  .section { padding: 80px 0; }

  .about-layout,
  .cta-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .about-images {
    height: 280px;
  }

  .project {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .project:nth-child(even) { direction: ltr; }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 48px;
  }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    height: 100dvh;
    flex-direction: column;
    align-items: flex-start;
    background: var(--dark);
    padding: 100px 36px 36px;
    gap: 28px;
    transition: right var(--transition);
    border-left: 1px solid rgba(255,255,255,0.06);
  }

  .nav-links.open { right: 0; }

  .nav-links a {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.8);
  }

  .hero-content { padding: 0 0 80px; }
  .hero-sub { font-size: 1rem; }
  .hero-scroll { display: none; }

  .hero-actions {
    flex-direction: column;
  }

  .about-images {
    grid-template-columns: 1fr 1fr;
    height: 220px;
  }

  .about-img-3 { display: none; }

  .step {
    grid-template-columns: 72px 1fr;
    gap: 24px;
    padding: 36px 0;
  }

  .step-num { font-size: 2.5rem; }

  .cta-image { aspect-ratio: 16 / 10; }

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

  .footer-nav { gap: 40px; }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
  }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; gap: 32px; }
  .about-images { height: 180px; }
  .project-scope { gap: 8px; }
}