/* ============================================
   Nivexa — Design Tokens
   ============================================ */
:root {
  --color-black: #1a1a1a;
  --color-black-soft: #2a2a28;
  --color-gold: #c9a15c;
  --color-gold-light: #e0c793;
  --color-gold-dim: rgba(201, 161, 92, 0.35);
  --color-cream: #fafaf8;
  --color-cream-alt: #f2efe8;
  --color-text: #1a1a1a;
  --color-text-muted: #6b6a64;
  --color-border: rgba(26, 26, 26, 0.1);

  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --container-w: 1180px;

  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 48px;
  --space-6: 64px;
  --space-7: 96px;
  --space-8: 140px;

  --radius: 2px;
  --nav-h: 96px;
  --nav-h-scrolled: 68px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur: 220ms;
}

/* ============================================
   Reset
   ============================================ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--color-cream);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, p, dl, dd, figure, blockquote { margin: 0; }
button { font: inherit; cursor: pointer; }
input, textarea { font: inherit; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-2);
  background: var(--color-black);
  color: var(--color-cream);
  padding: var(--space-2) var(--space-3);
  z-index: 1000;
  transition: top var(--dur) var(--ease-out);
}
.skip-link:focus { top: var(--space-2); }

.container {
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.eyebrow {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-2);
}

.section-title {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(28px, 3.4vw, 42px);
  line-height: 1.2;
  max-width: 20ch;
  margin-bottom: var(--space-6);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 30px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.03em;
  border: 1px solid transparent;
  border-radius: var(--radius);
  transition: background var(--dur) var(--ease-out), color var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
  white-space: nowrap;
}
.btn:active { transform: scale(0.98); }
.btn--gold {
  background: var(--color-black);
  color: var(--color-gold-light);
  border-color: var(--color-black);
}
.btn--gold:hover { background: var(--color-gold); color: var(--color-black); border-color: var(--color-gold); }
.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn--ghost:hover { border-color: var(--color-black); }
.btn--lg { padding: 16px 34px; font-size: 15px; }
.btn--full { width: 100%; }

/* ============================================
   Logo lockup
   (placeholder mark — swap .logo__mark for an <img>
   once the brand logo file is supplied)
   ============================================ */
.logo {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}
.logo__img {
  height: 52px;
  width: auto;
  transition: height var(--dur) var(--ease-out);
}
.logo__img--full { height: 64px; }

/* ============================================
   Navbar
   ============================================ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 250, 248, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease-out);
}
.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
  transition: height var(--dur) var(--ease-out);
}
.navbar.is-scrolled { border-bottom-color: var(--color-border); }
.navbar.is-scrolled .navbar__inner { height: var(--nav-h-scrolled); }
.navbar.is-scrolled .logo__img { height: 38px; }

.nav__list {
  display: flex;
  gap: var(--space-5);
}
.nav__list a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  position: relative;
  padding-bottom: 4px;
}
.nav__list a::after {
  content: '';
  position: absolute;
  left: 0; right: 100%;
  bottom: 0;
  height: 1px;
  background: var(--color-gold);
  transition: right var(--dur) var(--ease-out);
}
.nav__list a:hover::after { right: 0; }

.nav__cta { flex-shrink: 0; }

.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  padding: 0;
}
.nav__toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--color-black);
  margin-inline: auto;
  transition: transform var(--dur) var(--ease-out), opacity var(--dur) var(--ease-out);
}
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--color-cream);
  border-top: 1px solid var(--color-border);
}
.mobile-menu.is-open { display: flex; }
.mobile-menu ul { display: flex; flex-direction: column; gap: var(--space-3); }
.mobile-menu a { font-size: 16px; font-weight: 500; }

/* ============================================
   Reveal-on-scroll
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 600ms var(--ease-out), transform 600ms var(--ease-out);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ============================================
   Hero
   ============================================ */
.hero {
  padding-block: var(--space-8) var(--space-7);
  text-align: center;
}
.hero__inner { max-width: 780px; }
.hero__title {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(38px, 6vw, 68px);
  line-height: 1.12;
  margin-bottom: var(--space-3);
}
.hero__lead {
  font-size: 18px;
  color: var(--color-text-muted);
  max-width: 56ch;
  margin-inline: auto;
  margin-bottom: var(--space-5);
}
.hero__actions {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

/* ============================================
   Services
   ============================================ */
.services { padding-block: var(--space-7); background: var(--color-cream-alt); }
.services__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}
.service-card {
  background: var(--color-cream);
  border: 1px solid var(--color-border);
  padding: var(--space-5);
  position: relative;
}
.service-card__index {
  font-family: var(--font-serif);
  font-size: 14px;
  color: var(--color-gold);
  letter-spacing: 0.1em;
}
.service-card h3 {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 600;
  margin-block: var(--space-2) var(--space-2);
}
.service-card__desc { color: var(--color-text-muted); margin-bottom: var(--space-3); }
.service-card__list { display: flex; flex-direction: column; gap: var(--space-2); }
.service-card__list li {
  padding-left: 22px;
  position: relative;
  font-weight: 500;
}
.service-card__list li::before {
  content: '';
  position: absolute;
  left: 0; top: 9px;
  width: 10px; height: 1px;
  background: var(--color-gold);
}

/* ============================================
   Why us
   ============================================ */
.why { padding-block: var(--space-7); }
.why__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
.why-card__icon {
  width: 34px; height: 34px;
  color: var(--color-gold);
  margin-bottom: var(--space-3);
}
.why-card h3 {
  font-family: var(--font-serif);
  font-size: 21px;
  font-weight: 600;
  margin-bottom: var(--space-1);
}
.why-card p { color: var(--color-text-muted); }

/* ============================================
   Process
   ============================================ */
.process { padding-block: var(--space-7); background: var(--color-black); color: var(--color-cream); }
.process .eyebrow { color: var(--color-gold); }
.process .section-title { color: var(--color-cream); }
.process__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  counter-reset: step;
  position: relative;
}
.process-step {
  position: relative;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-gold-dim);
}
.process-step__num {
  display: block;
  font-family: var(--font-serif);
  font-size: 15px;
  color: var(--color-gold);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-2);
}
.process-step h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: var(--space-1);
}
.process-step p { color: rgba(250, 250, 248, 0.65); font-size: 15px; }

/* ============================================
   Contact
   ============================================ */
.contact { padding-block: var(--space-7); }
.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  align-items: start;
}
.contact__lead { color: var(--color-text-muted); margin-block: var(--space-3) var(--space-5); max-width: 44ch; }
.contact__details { display: flex; flex-direction: column; gap: var(--space-3); }
.contact__details dt {
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 2px;
}
.contact__details dd { font-size: 16px; margin: 0; }
.contact__details a:hover { color: var(--color-gold); }

.contact-form {
  background: var(--color-cream-alt);
  border: 1px solid var(--color-border);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 13px; font-weight: 600; }
.field input, .field textarea {
  background: var(--color-cream);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 12px 14px;
  font-size: 15px;
  color: var(--color-text);
  resize: vertical;
  transition: border-color var(--dur) var(--ease-out);
}
.field input:focus, .field textarea:focus {
  border-color: var(--color-gold);
  outline: none;
}
.form-status {
  font-size: 14px;
  min-height: 20px;
  color: var(--color-gold);
}

/* ============================================
   Footer
   ============================================ */
.footer { padding-block: var(--space-6) var(--space-5); background: var(--color-black); color: var(--color-cream); }
.footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid rgba(250, 250, 248, 0.12);
  margin-bottom: var(--space-3);
}
.footer__nav { display: flex; gap: var(--space-4); flex-wrap: wrap; }
.footer__nav a { font-size: 14px; color: rgba(250, 250, 248, 0.75); }
.footer__nav a:hover { color: var(--color-gold); }
.footer__copyright { font-size: 13px; color: rgba(250, 250, 248, 0.5); }

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
  .why__grid { grid-template-columns: 1fr; }
  .process__steps { grid-template-columns: repeat(2, 1fr); row-gap: var(--space-5); }
  .contact__inner { grid-template-columns: 1fr; }
}

@media (max-width: 840px) {
  .nav, .nav__cta { display: none; }
  .nav__toggle { display: flex; }
  .services__grid { grid-template-columns: 1fr; }
  .logo__tagline { display: none; }
}

@media (max-width: 520px) {
  .hero { padding-block: var(--space-6) var(--space-5); }
  .hero__actions { flex-direction: column; align-items: stretch; }
  .footer__inner { flex-direction: column; align-items: flex-start; }
}