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

:root {
  --bg: #0c0c0b;
  --bg-elevated: #141413;
  --surface: #1a1a18;
  --border: rgba(255, 255, 255, 0.08);
  --text: #e8e6e1;
  --text-muted: #8a8880;
  --accent: #d4a054;
  --accent-dim: rgba(212, 160, 84, 0.12);
  --accent-glow: rgba(212, 160, 84, 0.25);
  --font-sans: 'Instrument Sans', system-ui, sans-serif;
  --font-serif: 'Instrument Serif', Georgia, serif;
  --max-width: 1120px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img, svg {
  display: block;
}

/* Hex background */
.hex-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 80% 60% at 70% 20%, var(--accent-glow), transparent),
    radial-gradient(ellipse 50% 40% at 10% 80%, rgba(212, 160, 84, 0.06), transparent);
  pointer-events: none;
}

.hex-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='100' viewBox='0 0 56 100'%3E%3Cpath d='M28 0L56 16v32L28 64 0 48V16z M28 36L56 52v32L28 100 0 84V52z' fill='none' stroke='%23ffffff' stroke-opacity='0.03' stroke-width='0.5'/%3E%3C/svg%3E");
  opacity: 0.6;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 2rem;
  max-width: var(--max-width);
  margin: 0 auto;
  transition: background 0.4s var(--ease), backdrop-filter 0.4s var(--ease);
}

.header.scrolled {
  background: rgba(12, 12, 11, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.logo-icon {
  width: 1.75rem;
  height: 1.75rem;
  color: var(--accent);
}

.nav {
  display: flex;
  gap: 2rem;
}

.nav a {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color 0.2s;
}

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

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

.menu-btn span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text);
  transition: transform 0.3s var(--ease), opacity 0.3s;
}

.menu-btn[aria-expanded="true"] span:first-child {
  transform: translateY(3.75px) rotate(45deg);
}

.menu-btn[aria-expanded="true"] span:last-child {
  transform: translateY(-3.75px) rotate(-45deg);
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8rem 2rem 6rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.hero-label {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease) 0.1s forwards;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.75rem, 7vw, 5rem);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 1.75rem;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease) 0.25s forwards;
}

.hero-title em {
  font-style: italic;
  color: var(--accent);
}

.hero-desc {
  max-width: 32rem;
  font-size: 1.125rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease) 0.4s forwards;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease) 0.55s forwards;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.6rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.25s, border-color 0.25s, transform 0.2s;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--accent);
  color: var(--bg);
}

.btn-primary:hover {
  background: #e0b06a;
}

.btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.04);
}

/* Sections */
.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 5rem 2rem;
}

.section-header {
  margin-bottom: 3rem;
}

.section-header h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* Services */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.service-card {
  padding: 2rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  transition: border-color 0.3s, transform 0.3s var(--ease);
}

.service-card:hover {
  border-color: rgba(212, 160, 84, 0.25);
  transform: translateY(-2px);
}

.service-num {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 0.75rem;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* Principles */
.principles {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: center;
}

.principle-quote p {
  font-family: var(--font-serif);
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--text);
}

.principle-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.principle-list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.principle-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 1px;
  transform: rotate(45deg);
}

/* Contact */
.contact {
  padding-bottom: 6rem;
}

.contact-inner {
  max-width: 36rem;
}

.contact h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 400;
  margin-bottom: 0.75rem;
}

.contact > .contact-inner > p {
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.contact-btn {
  font-size: 1rem;
}

/* Footer */
.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2rem;
  max-width: var(--max-width);
  margin: 0 auto;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

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

/* Responsive */
@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(280px, 80vw);
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    gap: 2rem;
    padding: 2rem;
    background: var(--bg-elevated);
    border-left: 1px solid var(--border);
    transform: translateX(100%);
    transition: transform 0.35s var(--ease);
  }

  .nav.open {
    transform: translateX(0);
  }

  .nav a {
    font-size: 1.1rem;
  }

  .menu-btn {
    display: flex;
    z-index: 101;
  }

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

  .principles {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

}