/* ═══════════════════════════════════════════════════
   ONEX DEVELOPERS — Design System
   Brand: concept-led residential developer
   Palette: Mineral Green · Core Teal · Axis Teal · Sand
   ═══════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,300;1,400;1,500&family=Outfit:wght@300;400;500;600&display=swap');

/* ── TOKENS ── */
:root {
  --deep:    #013137;
  --core:    #12595c;
  --axis:    #08b09e;
  --sand:    #f7f2de;
  --sand2:   #c8be9e;
  --gold:    #c9a84c;
  --dark:    #080e0f;
  --muted:   #6b9ea0;
  --dim:     rgba(247,242,222,0.45);
  --faint:   rgba(247,242,222,0.15);
  --line:    rgba(247,242,222,0.08);

  --ff-display: 'Cormorant Garamond', serif;
  --ff-body:    'Outfit', sans-serif;

  --nav-h: 72px;
  --ease: cubic-bezier(.16,1,.3,1);
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--ff-body);
  background: var(--dark);
  color: var(--sand);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* ── GRAIN OVERLAY ── */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: 9999; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  opacity: .5;
}

/* ═══════════════════════════
   NAVIGATION
═══════════════════════════ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 900;
  height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 3rem;
  transition: background .4s var(--ease), backdrop-filter .4s;
}
.nav.scrolled {
  background: rgba(1,49,55,0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.nav-logo {
  display: flex; align-items: center;
  text-decoration: none;
}
.nav-logo svg { height: 40px; width: auto; display: block; }
.nav-links {
  display: flex; align-items: center; gap: 2.5rem;
  list-style: none;
}
.nav-links a {
  font-size: .72rem; font-weight: 500; letter-spacing: .18em;
  text-transform: uppercase; color: var(--dim);
  transition: color .25s;
  position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0; right: 0;
  height: 1px; background: var(--axis); transform: scaleX(0);
  transform-origin: left; transition: transform .3s var(--ease);
}
.nav-links a:hover { color: var(--sand); }
.nav-links a:hover::after { transform: scaleX(1); }
.nav-links a.active { color: var(--sand); }
.nav-links a.active::after { transform: scaleX(1); }

.nav-cta {
  font-size: .7rem; font-weight: 500; letter-spacing: .15em;
  text-transform: uppercase; color: var(--axis);
  border: 1px solid rgba(8,176,158,.35);
  padding: .5rem 1.2rem;
  transition: all .25s;
}
.nav-cta:hover { background: rgba(8,176,158,.1); border-color: var(--axis); }

.nav-hamburger {
  display: none; flex-direction: column; gap: 5px;
  padding: 4px;
}
.nav-hamburger span {
  display: block; width: 24px; height: 1px; background: var(--sand);
  transition: all .3s;
}

/* Mobile nav drawer */
.nav-drawer {
  position: fixed; top: var(--nav-h); right: 0; bottom: 0; width: 280px;
  background: var(--deep); border-left: 1px solid var(--line);
  display: flex; flex-direction: column; padding: 2rem;
  transform: translateX(100%); transition: transform .4s var(--ease);
  z-index: 899;
}
.nav-drawer.open { transform: translateX(0); }
.nav-drawer .nav-links {
  flex-direction: column; align-items: flex-start; gap: 1.5rem;
}
.nav-drawer .nav-links a { font-size: .85rem; }
.nav-drawer .nav-cta { margin-top: 2rem; display: inline-block; }

/* ═══════════════════════════
   TYPOGRAPHY UTILITIES
═══════════════════════════ */
.display-xl {
  font-family: var(--ff-display);
  font-size: clamp(3.2rem, 7vw, 7.5rem);
  font-weight: 300; line-height: 1.0;
  color: var(--sand);
}
.display-xl em { font-style: italic; color: var(--sand2); }

.display-lg {
  font-family: var(--ff-display);
  font-size: clamp(2.4rem, 5vw, 5rem);
  font-weight: 300; line-height: 1.1;
  color: var(--sand);
}
.display-lg em { font-style: italic; color: var(--sand2); }

.display-md {
  font-family: var(--ff-display);
  font-size: clamp(1.8rem, 3.5vw, 3.2rem);
  font-weight: 300; line-height: 1.2;
  color: var(--sand);
}

.section-label {
  font-size: .65rem; font-weight: 500; letter-spacing: .45em;
  text-transform: uppercase; color: var(--axis);
  display: flex; align-items: center; gap: .75rem;
}
.section-label::before {
  content: ''; display: block; width: 24px; height: 1px; background: var(--axis);
}

.body-lg {
  font-size: 1.05rem; line-height: 1.85;
  color: var(--dim); max-width: 640px;
}
.body-md {
  font-size: .92rem; line-height: 1.8;
  color: rgba(247,242,222,.38);
}
.body-sm {
  font-size: .8rem; line-height: 1.7;
  color: rgba(247,242,222,.35);
}

/* ═══════════════════════════
   LAYOUT UTILITIES
═══════════════════════════ */
.container {
  max-width: 1240px; margin: 0 auto;
  padding: 0 3rem;
}
.container-wide {
  max-width: 1440px; margin: 0 auto;
  padding: 0 3rem;
}
.section { padding: 8rem 0; }
.section-sm { padding: 5rem 0; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 1.5rem; }

/* ═══════════════════════════
   BUTTONS
═══════════════════════════ */
.btn-primary {
  display: inline-flex; align-items: center; gap: .75rem;
  font-size: .72rem; font-weight: 500; letter-spacing: .2em;
  text-transform: uppercase; color: var(--deep);
  background: var(--axis); padding: .9rem 2rem;
  transition: all .3s var(--ease);
  position: relative; overflow: hidden;
}
.btn-primary::before {
  content: ''; position: absolute; inset: 0;
  background: rgba(0,0,0,.15); transform: translateX(-100%);
  transition: transform .3s var(--ease);
}
.btn-primary:hover::before { transform: translateX(0); }
.btn-primary svg { transition: transform .3s var(--ease); }
.btn-primary:hover svg { transform: translateX(4px); }

.btn-outline {
  display: inline-flex; align-items: center; gap: .75rem;
  font-size: .72rem; font-weight: 500; letter-spacing: .2em;
  text-transform: uppercase; color: var(--sand);
  border: 1px solid var(--faint); padding: .85rem 1.8rem;
  transition: all .3s var(--ease);
}
.btn-outline:hover {
  border-color: rgba(247,242,222,.35);
  background: rgba(247,242,222,.04);
}
.btn-ghost {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: .72rem; font-weight: 500; letter-spacing: .2em;
  text-transform: uppercase; color: var(--axis);
  transition: gap .3s var(--ease);
}
.btn-ghost:hover { gap: .85rem; }

/* ═══════════════════════════
   CARDS
═══════════════════════════ */
.card {
  background: rgba(18,89,92,.15);
  border: 1px solid var(--line);
  padding: 2rem;
  transition: border-color .3s, background .3s;
  position: relative; overflow: hidden;
}
.card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--axis); transform: scaleX(0); transform-origin: left;
  transition: transform .4s var(--ease);
}
.card:hover { border-color: rgba(8,176,158,.25); background: rgba(18,89,92,.22); }
.card:hover::before { transform: scaleX(1); }

.card-gold::before { background: var(--gold); }
.card-gold:hover { border-color: rgba(201,168,76,.25); }

/* ═══════════════════════════
   STAT BLOCKS
═══════════════════════════ */
.stat-num {
  font-family: var(--ff-display);
  font-size: clamp(2.8rem, 5vw, 4.5rem);
  font-weight: 300; color: var(--sand); line-height: 1;
  display: block; margin-bottom: .35rem;
}
.stat-label {
  font-size: .62rem; font-weight: 500; letter-spacing: .2em;
  text-transform: uppercase; color: var(--muted);
}

/* ═══════════════════════════
   SECTION DIVIDERS
═══════════════════════════ */
.divider {
  height: 1px; background: var(--line); margin: 0;
}
.section-bg-core { background: var(--core); }
.section-bg-deep { background: var(--deep); }
.section-bg-dark { background: var(--dark); }

/* ═══════════════════════════
   HERO SHARED
═══════════════════════════ */
.hero {
  min-height: 100vh; position: relative;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 0 0 6rem;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background-size: cover; background-position: center;
}
.hero-overlay {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(
    to bottom,
    rgba(1,49,55,.3) 0%,
    rgba(1,49,55,.5) 50%,
    rgba(1,49,55,.85) 100%
  );
}
.hero-content {
  position: relative; z-index: 2;
  padding: 0 3rem;
  max-width: 1240px; margin: 0 auto; width: 100%;
}

/* ── SCROLL REVEAL ── */
.reveal {
  opacity: 0; transform: translateY(28px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: .15s; }
.reveal-delay-2 { transition-delay: .3s; }
.reveal-delay-3 { transition-delay: .45s; }
.reveal-delay-4 { transition-delay: .6s; }

/* ═══════════════════════════
   PROJECT CARDS
═══════════════════════════ */
.project-card {
  position: relative; overflow: hidden;
  background: var(--core);
  cursor: pointer;
}
.project-card-img {
  width: 100%; aspect-ratio: 4/3;
  object-fit: cover; object-position: center;
  transition: transform .8s var(--ease);
  background: var(--deep);
  display: flex; align-items: center; justify-content: center;
}
.project-card:hover .project-card-img { transform: scale(1.04); }
.project-card-body { padding: 1.5rem 1.75rem 2rem; }
.project-card-tag {
  font-size: .58rem; font-weight: 600; letter-spacing: .3em;
  text-transform: uppercase; color: var(--axis);
  margin-bottom: .75rem; display: block;
}
.project-card-name {
  font-family: var(--ff-display);
  font-size: 1.5rem; font-weight: 400;
  color: var(--sand); margin-bottom: .5rem; line-height: 1.2;
}
.project-card-desc {
  font-size: .82rem; color: rgba(247,242,222,.4);
  line-height: 1.65; margin-bottom: 1.25rem;
}
.project-card-meta {
  display: flex; gap: 1.5rem; flex-wrap: wrap;
  padding-top: 1rem; border-top: 1px solid var(--line);
}
.project-card-meta span {
  font-size: .65rem; letter-spacing: .12em;
  color: rgba(247,242,222,.3); text-transform: uppercase;
}
.project-card-meta strong { color: var(--sand2); font-weight: 400; }

/* ═══════════════════════════
   FORMS
═══════════════════════════ */
.form-group { margin-bottom: 1.25rem; }
.form-label {
  display: block; font-size: .62rem; font-weight: 500;
  letter-spacing: .2em; text-transform: uppercase;
  color: var(--muted); margin-bottom: .5rem;
}
.form-input, .form-select, .form-textarea {
  width: 100%; background: rgba(18,89,92,.2);
  border: 1px solid var(--line); color: var(--sand);
  padding: .85rem 1rem; font-family: var(--ff-body);
  font-size: .9rem; outline: none;
  transition: border-color .25s, background .25s;
  appearance: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: rgba(8,176,158,.5);
  background: rgba(18,89,92,.3);
}
.form-input::placeholder, .form-textarea::placeholder {
  color: rgba(247,242,222,.2);
}
.form-select option { background: var(--deep); }
.form-textarea { resize: vertical; min-height: 120px; }

/* ═══════════════════════════
   FOOTER
═══════════════════════════ */
.footer {
  background: var(--deep);
  border-top: 1px solid var(--line);
  padding: 5rem 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 4rem;
  padding-bottom: 4rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 2rem;
}
.footer-brand-tagline {
  font-family: var(--ff-display);
  font-size: 1.1rem; font-style: italic;
  color: var(--sand2); margin: 1rem 0;
}
.footer-heading {
  font-size: .62rem; font-weight: 600; letter-spacing: .3em;
  text-transform: uppercase; color: var(--axis);
  margin-bottom: 1.25rem;
}
.footer-links { list-style: none; }
.footer-links li { margin-bottom: .65rem; }
.footer-links a {
  font-size: .82rem; color: rgba(247,242,222,.38);
  transition: color .25s;
}
.footer-links a:hover { color: var(--sand); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 1rem;
}
.footer-copy {
  font-size: .7rem; color: rgba(247,242,222,.2);
}
.footer-legal {
  display: flex; gap: 1.5rem;
}
.footer-legal a {
  font-size: .7rem; color: rgba(247,242,222,.2);
  transition: color .25s;
}
.footer-legal a:hover { color: var(--dim); }

/* ═══════════════════════════
   PAGE TRANSITION
═══════════════════════════ */
.page-transition {
  position: fixed; inset: 0; z-index: 9998;
  background: var(--deep); transform: scaleY(0);
  transform-origin: bottom; pointer-events: none;
  transition: transform .5s var(--ease);
}
.page-transition.out { transform: scaleY(1); transform-origin: bottom; }
.page-transition.in  { transform: scaleY(0); transform-origin: top; }

/* ═══════════════════════════
   RESPONSIVE
═══════════════════════════ */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
}
@media (max-width: 768px) {
  :root { --nav-h: 64px; }
  .container, .container-wide { padding: 0 1.5rem; }
  .hero-content { padding: 0 1.5rem; }
  .nav { padding: 0 1.5rem; }
  .nav-links, .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
  .section { padding: 5rem 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .display-xl { font-size: clamp(2.5rem, 10vw, 4rem); }
}

/* ═══════════════════════════
   CUSTOM CURSOR
═══════════════════════════ */
.cursor {
  position: fixed; pointer-events: none; z-index: 10000;
  width: 8px; height: 8px;
  background: var(--axis); border-radius: 50%;
  transform: translate(-50%,-50%);
  transition: width .25s, height .25s, opacity .25s;
}
.cursor.hovering { width: 20px; height: 20px; opacity: .6; }
@media (hover: none) { .cursor { display: none; } }

/* ═══════════════════════════
   SEO: Visually hidden
═══════════════════════════ */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); border: 0;
}