/* ── Variables ───────────────────────────────────────────── */
:root {
  --bg-deep: #0a0a0b;
  --bg-elevated: #121214;
  --bg-card: #18181b;
  --text-primary: #f4f2ef;
  --text-muted: #9a9690;
  --text-subtle: #5c5854;
  --accent: #c9a962;
  --accent-dim: rgba(201, 169, 98, 0.15);
  --accent-glow: rgba(201, 169, 98, 0.25);
  --border: rgba(255, 255, 255, 0.06);
  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-body: "Outfit", system-ui, sans-serif;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --header-h: 5rem;
}

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

html {
  scroll-behavior: smooth;
  font-size: 100%;
}

body {
  font-family: var(--font-body);
  font-weight: 300;
  background: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

img {
  max-width: 100%;
  display: block;
}

/* ── Layout utilities ────────────────────────────────────── */
.container {
  width: min(72rem, 92vw);
  margin-inline: auto;
}

/* ── Header ──────────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  padding-inline: clamp(1.25rem, 4vw, 3rem);
  background: linear-gradient(to bottom, var(--bg-deep) 40%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-mark {
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--bg-deep);
  background: var(--accent);
  border-radius: 2px;
}

.logo-text {
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.logo-text em {
  font-style: normal;
  font-weight: 300;
  color: var(--text-muted);
}

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

.nav a {
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.3s var(--ease);
}

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

.nav-cta {
  padding: 0.55rem 1.1rem;
  border: 1px solid var(--border);
  color: var(--text-primary) !important;
}

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

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.75rem;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: all 0.35s var(--ease);
}

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

.btn-primary:hover {
  background: #dbc07a;
  box-shadow: 0 0 40px var(--accent-glow);
}

.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-full {
  width: 100%;
}

/* ── Hero ──────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 3rem) clamp(1.25rem, 4vw, 3rem) 4rem;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 20%, var(--accent-dim) 0%, transparent 55%),
    radial-gradient(ellipse 50% 40% at 10% 80%, rgba(255, 255, 255, 0.03) 0%, transparent 50%),
    linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-elevated) 100%);
  pointer-events: none;
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 4rem 4rem;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 40%, black 20%, transparent 75%);
  opacity: 0.4;
}

.hero-inner {
  position: relative;
  max-width: 48rem;
  animation: fadeUp 1s var(--ease) both;
}

.hero-eyebrow {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 7vw, 5rem);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.hero-line {
  display: block;
}

.hero-line + .hero-line {
  margin-top: 0.15em;
}

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

.hero-lead {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--text-muted);
  max-width: 36rem;
  margin-bottom: 2.5rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
}

.hero-scroll span {
  display: block;
  width: 1px;
  height: 3rem;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

/* ── Section shared ───────────────────────────────────────── */
.section-eyebrow {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 400;
  line-height: 1.15;
  margin-bottom: 1rem;
}

.section-intro {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 38rem;
}

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

/* ── Methodology ───────────────────────────────────────────── */
.methodology {
  padding: 8rem 0;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr));
  gap: 1.5rem;
  align-items: start;
}

.pillar {
  position: relative;
  padding: 2.5rem 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: border-color 0.4s var(--ease), transform 0.4s var(--ease);
}

.pillar:hover {
  border-color: rgba(201, 169, 98, 0.35);
  transform: translateY(-4px);
}

.pillar-index {
  display: block;
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 400;
  color: var(--text-subtle);
  line-height: 1;
  margin-bottom: 1.25rem;
  transition: color 0.4s var(--ease);
}

.pillar:hover .pillar-index {
  color: var(--accent);
}

.pillar-title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.pillar-tagline {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--accent);
  letter-spacing: 0.02em;
  margin-bottom: 1.25rem;
  line-height: 1.5;
}

.pillar-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.pillar-list li {
  position: relative;
  padding-left: 1.1rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.pillar-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 4px;
  height: 4px;
  background: var(--accent);
  border-radius: 50%;
}

/* ── Contact ─────────────────────────────────────────────────── */
.contact {
  padding: 8rem 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-lead {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-top: 1rem;
}

.contact-form-wrap {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.contact-promise {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.2vw, 1.4rem);
  font-weight: 400;
  line-height: 1.45;
  color: var(--text-primary);
  padding-left: 1rem;
  border-left: 2px solid var(--accent);
}

.contact-promise strong {
  font-weight: 600;
  color: var(--accent);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-row--large textarea {
  min-height: 9rem;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-row label {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.form-row input,
.form-row textarea {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--text-primary);
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 0.85rem 1rem;
  outline: none;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.form-row input::placeholder,
.form-row textarea::placeholder {
  color: var(--text-subtle);
}

.form-row input:focus,
.form-row textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.form-row textarea {
  resize: vertical;
  min-height: 6rem;
}

/* ── Footer ──────────────────────────────────────────────────── */
.site-footer {
  padding: 3rem 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  text-align: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.05em;
}

.footer-tagline {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
}

.footer-copy {
  margin-top: 1rem;
  font-size: 0.75rem;
  color: var(--text-subtle);
}

/* ── Animations ──────────────────────────────────────────────── */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(1.5rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav a:not(.nav-cta) {
    display: none;
  }

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

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

  .hero-actions .btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .hero-inner,
  .hero-scroll span {
    animation: none;
  }

  .pillar:hover {
    transform: none;
  }
}