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

:root {
  --bg-primary: #0b0b0b;
  --bg-secondary: #111111;
  --bg-elevated: #181818;
  --text-primary: #f2ede8;
  --text-secondary: #a09889;
  --text-muted: #6b6259;
  --accent: #c9a760;
  --accent-line: rgba(201, 167, 96, 0.2);
  --serif: 'Instrument Serif', Georgia, serif;
  --sans: 'Plus Jakarta Sans', system-ui, sans-serif;
  --transition: cubic-bezier(0.23, 1, 0.32, 1);
}

html {
  scroll-behavior: smooth;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.7;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
  position: relative;
}

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

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

/* Navigation */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.5rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.5s ease, padding 0.4s ease;
}

nav.scrolled {
  background: rgba(11, 11, 11, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 1rem 3rem;
  border-bottom: 1px solid var(--accent-line);
}

.logo {
  font-family: 'DM Sans', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-primary);
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  transition: color 0.3s ease;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 0.4s var(--transition);
}

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

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

.nav-cta {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent) !important;
  border: 1px solid var(--accent-line);
  padding: 0.6rem 1.6rem;
  transition: all 0.4s var(--transition);
}

.nav-cta:hover {
  background: var(--accent);
  color: var(--bg-primary) !important;
  border-color: var(--accent);
}

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

/* Mobile menu */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 28px;
  height: 20px;
  position: relative;
  z-index: 101;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 1px;
  background: var(--text-primary);
  position: absolute;
  left: 0;
  transition: all 0.3s ease;
}

.menu-toggle span:nth-child(1) { top: 0; }
.menu-toggle span:nth-child(2) { top: 50%; }
.menu-toggle span:nth-child(3) { top: 100%; }

.menu-toggle.active span:nth-child(1) {
  top: 50%;
  transform: rotate(45deg);
}

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

.menu-toggle.active span:nth-child(3) {
  top: 50%;
  transform: rotate(-45deg);
}

/* Reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.9s var(--transition), transform 0.9s var(--transition);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8rem 3rem 6rem;
  position: relative;
  overflow: hidden;
}

.hero-inner {
  max-width: 900px;
}

.hero h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(3rem, 6.5vw, 5.5rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 2rem;
}

.hero h1 em {
  font-style: italic;
  color: var(--accent);
}

.hero-text {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-secondary);
  max-width: 580px;
  margin-bottom: 3rem;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--bg-primary);
  background: var(--accent);
  padding: 1.1rem 2.8rem;
  transition: all 0.5s var(--transition);
  position: relative;
  overflow: hidden;
}

.hero-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--text-primary);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.5s var(--transition);
}

.hero-cta:hover::before {
  transform: scaleX(1);
  transform-origin: left;
}

.hero-cta span {
  position: relative;
  z-index: 1;
}

.hero-cta svg {
  position: relative;
  z-index: 1;
  width: 16px;
  height: 16px;
  transition: transform 0.4s var(--transition);
}

.hero-cta:hover svg {
  transform: translateX(4px);
}

/* Section commons */
section {
  padding: 8rem 3rem;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 2rem;
}

.section-tag::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--accent);
}

.section-heading {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: 1.5rem;
}

.section-subtext {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-secondary);
  max-width: 560px;
}

/* About / Pillars */
.about {
  background: var(--bg-secondary);
}

.about-header {
  max-width: 680px;
  margin-bottom: 5rem;
}

.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--accent-line);
}

.pillar {
  background: var(--bg-secondary);
  padding: 2.5rem 2rem;
  transition: background 0.5s var(--transition);
}

.pillar:hover {
  background: var(--bg-elevated);
}

.pillar h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.35rem;
  margin-bottom: 1rem;
  line-height: 1.3;
}

.pillar p {
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--text-secondary);
}

/* CTA Section */
.cta-section {
  background: var(--bg-primary);
  text-align: center;
  padding: 10rem 3rem;
  position: relative;
  overflow: hidden;
}

.cta-inner {
  position: relative;
  z-index: 1;
  max-width: 650px;
  margin: 0 auto;
}

.cta-section .section-tag {
  justify-content: center;
}

.cta-section .section-tag::before {
  display: none;
}

.cta-section .section-heading {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: 1.5rem;
}

.cta-section .section-heading em {
  font-style: italic;
  color: var(--accent);
}

.cta-section .section-subtext {
  max-width: 500px;
  margin: 0 auto 3rem;
  text-align: center;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--sans);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--bg-primary);
  background: var(--accent);
  padding: 1.1rem 3rem;
  border: none;
  cursor: pointer;
  transition: all 0.5s var(--transition);
  position: relative;
  overflow: hidden;
}

.cta-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--text-primary);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.5s var(--transition);
}

.cta-btn:hover::before {
  transform: scaleX(1);
  transform-origin: left;
}

.cta-btn span {
  position: relative;
  z-index: 1;
}

.cta-btn svg {
  position: relative;
  z-index: 1;
  width: 16px;
  height: 16px;
  transition: transform 0.4s var(--transition);
}

.cta-btn:hover svg {
  transform: translateX(4px);
}

/* Footer */
footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--accent-line);
  padding: 2.5rem 3rem;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.footer-email {
  font-size: 0.78rem;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
  transition: color 0.3s ease;
}

.footer-email:hover {
  color: var(--accent);
}

/* Responsive */
@media (max-width: 1024px) {
  .pillars {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  nav {
    padding: 1.2rem 1.5rem;
  }

  nav.scrolled {
    padding: 1rem 1.5rem;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 1.5rem;
    background: var(--bg-elevated);
    border: 1px solid var(--accent-line);
    flex-direction: column;
    padding: 0;
    gap: 0;
    min-width: 180px;
    opacity: 0;
    transform: translateY(-8px);
  }

  .nav-links.open {
    display: flex;
    animation: dropIn 0.25s var(--transition) forwards;
  }

  @keyframes dropIn {
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .nav-links li {
    list-style: none;
  }

  .nav-links a {
    font-size: 0.78rem;
    display: block;
    padding: 0.9rem 1.4rem;
    transition: background 0.2s ease, color 0.2s ease;
  }

  .nav-links a:hover {
    background: rgba(255, 255, 255, 0.04);
  }

  .nav-links a::after {
    display: none;
  }

  .nav-links li + li {
    border-top: 1px solid var(--accent-line);
  }

  .nav-cta {
    font-size: 0.78rem;
    border: none;
    padding: 0.9rem 1.4rem;
    text-align: left;
  }

  .nav-cta:hover {
    background: rgba(255, 255, 255, 0.04);
    color: var(--accent) !important;
    border: none;
  }

  .menu-toggle {
    display: block;
    z-index: 101;
  }

  section {
    padding: 5rem 1.5rem;
  }

  .hero {
    padding: 7rem 1.5rem 4rem;
    min-height: auto;
    min-height: 90vh;
  }

  .hero h1 {
    font-size: 2.8rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
  }

  .hero-text {
    font-size: 1rem;
    margin-bottom: 2.5rem;
  }

  .hero-cta {
    padding: 1rem 2.2rem;
    font-size: 0.78rem;
  }

  .section-tag {
    margin-bottom: 1.5rem;
  }

  .section-heading {
    font-size: 2rem;
    margin-bottom: 1.2rem;
  }

  .section-subtext {
    font-size: 0.95rem;
  }

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

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

  .pillar {
    padding: 2rem 1.5rem;
  }

  .pillar h3 {
    font-size: 1.2rem;
  }

  .pillar p {
    font-size: 0.88rem;
  }

  .cta-section {
    padding: 5rem 1.5rem;
  }

  .cta-section .section-heading {
    font-size: 2.4rem;
  }

  .cta-section .section-subtext {
    font-size: 0.95rem;
    margin-bottom: 2.5rem;
  }

  .cta-btn {
    padding: 1rem 2.2rem;
    font-size: 0.78rem;
  }

  footer {
    padding: 2rem 1.5rem;
  }

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

@media (max-width: 380px) {
  .hero h1 {
    font-size: 2.4rem;
  }

  .cta-section .section-heading {
    font-size: 2rem;
  }
}