:root {
  --bg-color: #0d0f12;
  --surface-color: #1a1d24;
  --surface-hover: #232730;
  --text-primary: #f0f2f5;
  --text-secondary: #a0aab2;
  --accent-gold: #d4af37;
  --accent-gold-hover: #f3c63a;
  --accent-emerald: #10B981;
  --border-color: rgba(255, 255, 255, 0.08);
  --glass-bg: rgba(13, 15, 18, 0.82);
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-serif: 'Playfair Display', serif;
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  --radius: 10px;
  --shadow-card: 0 4px 24px rgba(0,0,0,0.35);
  --shadow-hover: 0 20px 40px rgba(0,0,0,0.5);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, .serif {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.15;
}

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

img {
  max-width: 100%;
  border-radius: var(--radius);
  display: block;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

/* ── Logo ── */
.logo {
  font-family: var(--font-sans);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.5px;
  color: var(--text-primary);
  display: inline-flex;
  align-items: center;
  gap: 0;
}

.logo-accent {
  color: var(--accent-gold);
}

/* ── Navigation ── */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  transition: transform 0.35s ease;
}

.nav-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 76px;
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--text-secondary);
  position: relative;
}

.nav-links a:not(.btn)::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent-gold);
  transition: width 0.3s ease;
}

.nav-links a:not(.btn):hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-links a.active,
.nav-links a:hover {
  color: var(--accent-gold);
}

/* CTA in nav */
.nav-cta {
  padding: 0.5rem 1.4rem !important;
  color: #000 !important;
  border-radius: 4px;
}

/* Mobile hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition);
  transform-origin: center;
}

/* ── Buttons ── */
.btn {
  display: inline-block;
  padding: 0.85rem 2.2rem;
  border-radius: 4px;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  transition: var(--transition);
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--accent-gold);
  color: #000;
}

.btn-primary:hover {
  background-color: var(--accent-gold-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(212, 175, 55, 0.4);
}

.btn-outline {
  background-color: transparent;
  border-color: rgba(212, 175, 55, 0.6);
  color: var(--accent-gold);
}

.btn-outline:hover {
  background-color: rgba(212, 175, 55, 0.08);
  border-color: var(--accent-gold);
  transform: translateY(-2px);
}

.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 2rem;
  transition: var(--transition);
}

.btn-back:hover {
  color: var(--text-primary);
  transform: translateX(-4px);
}

/* ── Hero Section ── */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  padding-top: 76px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.22;
  z-index: -1;
  border-radius: 0;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,1) 50%, rgba(0,0,0,0) 100%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,1) 50%, rgba(0,0,0,0) 100%);
}

.hero-content {
  max-width: 820px;
  animation: fadeUp 1s ease-out forwards;
  opacity: 0;
}

.hero-subtitle {
  color: var(--accent-gold);
  text-transform: uppercase;
  letter-spacing: 4px;
  font-size: 0.8rem;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.hero-subtitle::before {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--accent-gold);
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 5rem);
  line-height: 1.08;
  margin-bottom: 1.75rem;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 580px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

/* ── Page Headers (inner pages) ── */
.page-header {
  padding: 11rem 0 5rem;
  text-align: center;
  position: relative;
}

.page-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 2px;
  background: var(--accent-gold);
}

.page-header h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: 1.25rem;
  animation: fadeUp 0.8s ease forwards;
}

.page-header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 580px;
  margin: 0 auto;
  animation: fadeUp 0.8s ease 0.15s forwards;
  opacity: 0;
}

/* ── Sections ── */
.section {
  padding: 6rem 0;
}

.section-header {
  margin-bottom: 4rem;
}

.section-header h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--text-secondary);
  max-width: 540px;
  font-size: 1.05rem;
}

/* ── Service Cards ── */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--surface-color);
  border-radius: var(--radius);
  padding: 2.5rem;
  border: 1px solid var(--border-color);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: currentColor;
  opacity: 0.8;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(255,255,255,0.12);
}

.service-card h3 {
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.75;
}

/* ── Project Cards ── */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2.5rem;
}

.project-card {
  background: var(--surface-color);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
}

.project-card:hover {
  transform: translateY(-10px);
  border-color: rgba(212, 175, 55, 0.5);
  box-shadow: var(--shadow-hover);
}

.project-img-wrapper {
  overflow: hidden;
  position: relative;
  aspect-ratio: 16/10;
}

.project-img-wrapper::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.25);
  transition: background 0.4s ease;
}

.project-card:hover .project-img-wrapper::after {
  background: rgba(0,0,0,0.05);
}

.project-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.25, 1, 0.5, 1);
  border-radius: 0;
}

.project-card:hover .project-img {
  transform: scale(1.07);
}

.project-info {
  padding: 2rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.project-category {
  color: var(--accent-gold);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  margin-bottom: 0.6rem;
  display: block;
}

.project-info h3 {
  font-size: 1.5rem;
  margin-bottom: 0.6rem;
}

.project-info p {
  color: var(--text-secondary);
  font-size: 0.93rem;
  margin-bottom: 1.75rem;
  flex-grow: 1;
  line-height: 1.75;
}

.project-link {
  color: var(--text-primary);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1.2px;
}

.project-link::after {
  content: '→';
  transition: transform 0.3s ease;
}

.project-card:hover .project-link {
  color: var(--accent-gold);
}

.project-card:hover .project-link::after {
  transform: translateX(6px);
}

/* ── Project Detail Pages ── */
.project-hero {
  height: 65vh;
  min-height: 420px;
  position: relative;
  display: flex;
  align-items: flex-end;
  padding-bottom: 4.5rem;
  margin-bottom: 5rem;
}

.project-hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -1;
  border-radius: 0;
}

.project-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13, 15, 18, 0.98) 0%, rgba(13, 15, 18, 0.3) 60%, transparent 100%);
  z-index: 0;
}

.project-hero .container {
  position: relative;
  z-index: 1;
}

.project-meta {
  display: flex;
  gap: 3.5rem;
  flex-wrap: wrap;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 4rem;
}

.meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.meta-label {
  color: var(--text-secondary);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

.meta-value {
  font-weight: 500;
  font-size: 1rem;
}

.project-content {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 5rem;
  margin-bottom: 7rem;
}

.project-content-left h2 {
  font-size: 2.2rem;
  position: sticky;
  top: 100px;
}

.project-content-right p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.9;
}

.color-palette {
  display: flex;
  gap: 1rem;
  margin-top: 2.5rem;
  flex-wrap: wrap;
}

.color-swatch {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  box-shadow: 0 4px 12px rgba(0,0,0,0.5);
  border: 1px solid rgba(255,255,255,0.12);
  transition: transform 0.3s ease;
  cursor: pointer;
}

.color-swatch:hover {
  transform: scale(1.15);
}

/* ── CTA Block ── */
.cta-block {
  text-align: center;
  padding: 5rem 3rem;
  background: var(--surface-color);
  border-radius: 16px;
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

.cta-block::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--accent-gold), transparent);
}

.cta-block h2 {
  font-size: clamp(1.8rem, 3.5vw, 3rem);
  margin-bottom: 1rem;
}

.cta-block p {
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto 2.5rem;
  font-size: 1.05rem;
}

/* ── Footer ── */
footer {
  background-color: var(--surface-color);
  padding: 5rem 0 2.5rem;
  border-top: 1px solid var(--border-color);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-logo {
  font-size: 1.1rem;
  display: inline-flex;
  margin-bottom: 1rem;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.93rem;
  line-height: 1.75;
  max-width: 280px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links h4,
.footer-connect h4 {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--text-primary);
  padding-left: 4px;
}

.footer-connect {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.social-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.social-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: var(--transition);
}

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

.footer-email {
  color: var(--accent-gold);
  font-size: 0.85rem;
  margin-top: 0.5rem;
  word-break: break-all;
}

.footer-email:hover {
  text-decoration: underline;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-secondary);
  font-size: 0.85rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

/* ── Animations ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

.stagger-1 { animation: fadeUp 0.8s ease 0.1s forwards; opacity: 0; }
.stagger-2 { animation: fadeUp 0.8s ease 0.2s forwards; opacity: 0; }
.stagger-3 { animation: fadeUp 0.8s ease 0.3s forwards; opacity: 0; }
.stagger-4 { animation: fadeUp 0.8s ease 0.4s forwards; opacity: 0; }

/* ── Responsive ── */
@media (max-width: 1100px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 992px) {
  .project-content {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .project-content-left h2 {
    position: static;
  }
}

@media (max-width: 768px) {
  .hero h1 { font-size: 2.5rem; }

  .nav-toggle { display: flex; }

  .nav-links {
    display: none;
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
    flex-direction: column;
    align-items: center;
    padding: 2rem;
    gap: 1.25rem;
    z-index: 99;
  }

  .nav-links.open { display: flex; }

  .nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.active span:nth-child(2) { opacity: 0; }
  .nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .hero-actions { flex-direction: column; align-items: flex-start; }

  .project-meta { flex-direction: column; gap: 1.5rem; }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }

  .cta-block { padding: 3rem 1.5rem; }
}