/* ===========================================================
   KAPA Interiors — Dark Luxe Design System
   =========================================================== */

:root {
  /* Palette */
  --black: #0c0c0e;
  --ink: #121215;
  --panel: #16161a;
  --panel-2: #1c1c21;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --text: #ece9e3;
  --muted: #a09c94;
  --muted-2: #6f6c66;
  --gold: #c6a45c;
  --gold-soft: #d8bd7e;
  --gold-deep: #9c7e3f;

  /* Type */
  --serif: "Cormorant Garamond", Georgia, serif;
  --sans: "Jost", "Inter", system-ui, sans-serif;

  /* Layout */
  --maxw: 1240px;
  --gutter: clamp(1.25rem, 4vw, 4rem);
  --radius: 4px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background: var(--black);
  color: var(--text);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.7;
  letter-spacing: 0.01em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

/* ---------- Typography ---------- */
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 500; line-height: 1.08; }

.display {
  font-size: clamp(2.8rem, 8vw, 6.5rem);
  font-weight: 500;
  letter-spacing: -0.01em;
}
.h-section {
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  letter-spacing: -0.005em;
}
.eyebrow {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gold);
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
}
.eyebrow::before {
  content: "";
  width: 28px; height: 1px;
  background: var(--gold);
  opacity: 0.7;
}
.lede { font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: var(--muted); max-width: 52ch; }

/* ---------- Layout helpers ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding-inline: var(--gutter); }
.section { padding-block: clamp(4.5rem, 10vw, 9rem); }
.center { text-align: center; }
.center .lede { margin-inline: auto; }
.section-head { max-width: 60ch; }
.section-head.center { margin-inline: auto; }
.section-head .h-section { margin-top: 1.1rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.7rem;
  font-family: var(--sans); font-size: 0.78rem; font-weight: 500;
  letter-spacing: 0.18em; text-transform: uppercase;
  padding: 1.05rem 2.1rem; border-radius: var(--radius);
  border: 1px solid var(--gold); color: var(--black);
  background: var(--gold);
  cursor: pointer; transition: all 0.4s var(--ease);
}
.btn:hover { background: var(--gold-soft); border-color: var(--gold-soft); transform: translateY(-2px); }
.btn .arr { transition: transform 0.4s var(--ease); }
.btn:hover .arr { transform: translateX(4px); }
.btn--ghost { background: transparent; color: var(--text); border-color: var(--line-strong); }
.btn--ghost:hover { background: rgba(255,255,255,0.04); border-color: var(--gold); color: var(--gold-soft); transform: translateY(-2px); }

/* ---------- Nav ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.4rem var(--gutter);
  transition: background 0.4s var(--ease), padding 0.4s var(--ease), border-color 0.4s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(12,12,14,0.82);
  backdrop-filter: blur(14px);
  padding-block: 1rem;
  border-bottom-color: var(--line);
}
.brand { font-family: var(--serif); font-size: 1.7rem; font-weight: 600; letter-spacing: 0.18em; }
.brand span { color: var(--gold); }
.nav-links { display: flex; gap: 2.2rem; align-items: center; }
.nav-links a {
  font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--muted); transition: color 0.3s; position: relative; padding-block: 0.3rem;
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 1px;
  background: var(--gold); transition: width 0.35s var(--ease);
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-links .btn { color: var(--black); }
.nav-links .btn:hover { color: var(--black); }

.nav-toggle { display: none; background: none; border: 0; cursor: pointer; width: 30px; height: 22px; position: relative; }
.nav-toggle span { position: absolute; left: 0; width: 100%; height: 1.5px; background: var(--text); transition: 0.35s var(--ease); }
.nav-toggle span:nth-child(1) { top: 2px; }
.nav-toggle span:nth-child(2) { top: 10px; }
.nav-toggle span:nth-child(3) { top: 18px; }
.nav-toggle.open span:nth-child(1) { top: 10px; transform: rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { top: 10px; transform: rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100svh; display: flex; align-items: center;
  padding-top: 6rem; overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: -2; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; filter: brightness(0.42) saturate(0.9); }
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(120% 90% at 80% 10%, rgba(198,164,92,0.10), transparent 55%),
    linear-gradient(180deg, rgba(12,12,14,0.5) 0%, rgba(12,12,14,0.35) 40%, var(--black) 100%);
}
.hero-inner { max-width: 60rem; }
.hero .display { margin: 1.6rem 0 1.4rem; }
.hero .display em { font-style: italic; color: var(--gold-soft); }
.hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 2.4rem; }
.scroll-cue {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  font-size: 0.65rem; letter-spacing: 0.3em; text-transform: uppercase; color: var(--muted-2);
  display: flex; flex-direction: column; align-items: center; gap: 0.7rem;
}
.scroll-cue .line { width: 1px; height: 46px; background: linear-gradient(var(--gold), transparent); animation: cue 2.2s var(--ease) infinite; transform-origin: top; }
@keyframes cue { 0%,100% { transform: scaleY(0.3); opacity: 0.4; } 50% { transform: scaleY(1); opacity: 1; } }

/* ---------- Marquee strip ---------- */
.strip { border-block: 1px solid var(--line); background: var(--ink); overflow: hidden; }
.marquee { display: flex; gap: 3.5rem; padding: 1.4rem 0; white-space: nowrap; animation: marq 32s linear infinite; }
.marquee span { font-family: var(--serif); font-size: 1.3rem; color: var(--muted); font-style: italic; }
.marquee span::after { content: "✦"; margin-left: 3.5rem; color: var(--gold); font-style: normal; font-size: 0.8rem; vertical-align: middle; }
@keyframes marq { to { transform: translateX(-50%); } }

/* ---------- Services grid ---------- */
.svc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); margin-top: 3.5rem; }
.svc {
  background: var(--ink); padding: 2.4rem 2rem; min-height: 240px;
  display: flex; flex-direction: column; justify-content: space-between;
  transition: background 0.45s var(--ease); position: relative; overflow: hidden;
}
.svc::before {
  content: ""; position: absolute; left: 0; top: 0; height: 2px; width: 0;
  background: var(--gold); transition: width 0.5s var(--ease);
}
.svc:hover { background: var(--panel-2); }
.svc:hover::before { width: 100%; }
.svc-num { font-family: var(--serif); font-size: 0.9rem; color: var(--gold); letter-spacing: 0.1em; }
.svc h3 { font-size: 1.5rem; margin-bottom: 0.5rem; }
.svc p { font-size: 0.92rem; color: var(--muted); }
.svc .arr { color: var(--gold); opacity: 0; transform: translateX(-6px); transition: 0.4s var(--ease); margin-top: 1.2rem; font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; }
.svc:hover .arr { opacity: 1; transform: translateX(0); }

/* ---------- Feature split ---------- */
.split { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(2rem, 5vw, 5rem); align-items: center; }
.split.rev { direction: rtl; }
.split.rev > * { direction: ltr; }
.split-media { position: relative; aspect-ratio: 4/5; overflow: hidden; border-radius: var(--radius); }
.split-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.1s var(--ease); }
.split-media:hover img { transform: scale(1.05); }
.split-media .tag {
  position: absolute; bottom: 1.2rem; left: 1.2rem; background: rgba(12,12,14,0.7);
  backdrop-filter: blur(6px); border: 1px solid var(--line-strong); padding: 0.6rem 1.1rem;
  font-size: 0.7rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--gold-soft);
}

/* ---------- Why / value cards ---------- */
.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-top: 3.5rem; }
.value { padding: 2.2rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--ink); transition: 0.45s var(--ease); }
.value:hover { border-color: var(--gold-deep); transform: translateY(-4px); }
.value .ico { width: 44px; height: 44px; color: var(--gold); margin-bottom: 1.3rem; }
.value h3 { font-size: 1.45rem; margin-bottom: 0.5rem; }
.value p { font-size: 0.92rem; color: var(--muted); }

/* ---------- Process timeline ---------- */
.steps { margin-top: 3.5rem; border-top: 1px solid var(--line); }
.step {
  display: grid; grid-template-columns: 5rem 1fr auto; gap: 2rem; align-items: baseline;
  padding: 2.2rem 0; border-bottom: 1px solid var(--line);
  transition: padding-left 0.45s var(--ease); position: relative;
}
.step::before { content:""; position:absolute; left:0; top:0; bottom:0; width:2px; background:var(--gold); transform:scaleY(0); transform-origin:top; transition:transform .5s var(--ease); }
.step:hover { padding-left: 1.5rem; }
.step:hover::before { transform: scaleY(1); }
.step-num { font-family: var(--serif); font-size: 2.4rem; color: var(--gold); }
.step h3 { font-size: 1.6rem; margin-bottom: 0.4rem; }
.step p { color: var(--muted); max-width: 46ch; }
.step .ph { font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted-2); }

/* ---------- Quote ---------- */
.quote { text-align: center; max-width: 60rem; margin-inline: auto; }
.quote .mark { font-family: var(--serif); font-size: 6rem; color: var(--gold); line-height: 0.5; height: 2.5rem; display: block; }
.quote p { font-family: var(--serif); font-size: clamp(1.6rem, 3.5vw, 2.8rem); font-style: italic; line-height: 1.3; color: var(--text); }
.quote .cite { margin-top: 1.8rem; font-size: 0.75rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--gold); }

/* ---------- Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.stat { text-align: center; padding: 2rem 1rem; border: 1px solid var(--line); border-radius: var(--radius); }
.stat .n { font-family: var(--serif); font-size: clamp(2.4rem, 5vw, 3.6rem); color: var(--gold-soft); }
.stat .l { font-size: 0.74rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted); margin-top: 0.4rem; }

/* ---------- CTA band ---------- */
.cta-band { position: relative; overflow: hidden; border-radius: var(--radius); }
.cta-band img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: brightness(0.3); z-index: -1; }
.cta-band .inner { padding: clamp(3.5rem, 8vw, 7rem) var(--gutter); text-align: center; }
.cta-band .h-section { margin: 1rem auto; }

/* ---------- Gallery ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 0.6rem; justify-content: center; margin-top: 2.6rem; }
.filter {
  font-family: var(--sans); font-size: 0.74rem; letter-spacing: 0.14em; text-transform: uppercase;
  padding: 0.65rem 1.3rem; border: 1px solid var(--line-strong); border-radius: 40px;
  background: transparent; color: var(--muted); cursor: pointer; transition: 0.35s var(--ease);
}
.filter:hover { color: var(--text); border-color: var(--gold-deep); }
.filter.active { background: var(--gold); border-color: var(--gold); color: var(--black); }

.grid {
  margin-top: 3rem;
  columns: 3; column-gap: 1rem;
}
.tile {
  break-inside: avoid; margin-bottom: 1rem; position: relative; overflow: hidden;
  border-radius: var(--radius); cursor: pointer; display: block;
}
.tile img { width: 100%; height: auto; transition: transform 0.9s var(--ease), filter 0.5s; filter: brightness(0.92); }
.tile:hover img { transform: scale(1.06); filter: brightness(1); }
.tile .meta {
  position: absolute; inset: auto 0 0 0; padding: 1.4rem 1.2rem 1rem;
  background: linear-gradient(transparent, rgba(12,12,14,0.92));
  transform: translateY(8px); opacity: 0; transition: 0.45s var(--ease);
}
.tile:hover .meta { transform: translateY(0); opacity: 1; }
.tile .meta h4 { font-size: 1.25rem; }
.tile .meta span { font-size: 0.68rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--gold-soft); }
.tile.hide { display: none; }

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed; inset: 0; z-index: 200; display: none; align-items: center; justify-content: center;
  background: rgba(8,8,10,0.94); backdrop-filter: blur(8px); padding: 2rem;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: 90vw; max-height: 82vh; border-radius: var(--radius); }
.lightbox .lb-cap { position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%); color: var(--muted); font-size: 0.85rem; letter-spacing: 0.1em; }
.lightbox .lb-close, .lightbox .lb-nav { position: absolute; background: none; border: 1px solid var(--line-strong); color: var(--text); width: 48px; height: 48px; border-radius: 50%; cursor: pointer; font-size: 1.2rem; transition: 0.3s; }
.lightbox .lb-close:hover, .lightbox .lb-nav:hover { border-color: var(--gold); color: var(--gold); }
.lightbox .lb-close { top: 1.5rem; right: 1.5rem; }
.lightbox .lb-nav.prev { left: 1.5rem; top: 50%; transform: translateY(-50%); }
.lightbox .lb-nav.next { right: 1.5rem; top: 50%; transform: translateY(-50%); }

/* ---------- Forms ---------- */
.form-shell { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(2rem, 5vw, 5rem); }
.form-card { background: var(--ink); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(1.8rem, 4vw, 3rem); }
.field { margin-bottom: 1.5rem; }
.field label { display: block; font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); margin-bottom: 0.6rem; }
.field input, .field select, .field textarea {
  width: 100%; background: var(--black); border: 1px solid var(--line-strong); border-radius: var(--radius);
  color: var(--text); font-family: var(--sans); font-size: 0.95rem; padding: 0.95rem 1.1rem; transition: border-color 0.3s;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--gold); }
.field textarea { resize: vertical; min-height: 120px; }
.contact-line { display: flex; gap: 1.1rem; align-items: flex-start; padding: 1.4rem 0; border-bottom: 1px solid var(--line); }
.contact-line .ico { color: var(--gold); flex: none; margin-top: 2px; }
.contact-line .l { font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted-2); }
.contact-line .v { font-size: 1.05rem; }
.form-note { font-size: 0.8rem; color: var(--muted-2); margin-top: 1rem; }
.form-success { display: none; padding: 1.1rem 1.3rem; border: 1px solid var(--gold-deep); border-radius: var(--radius); background: rgba(198,164,92,0.08); color: var(--gold-soft); font-size: 0.9rem; margin-bottom: 1.5rem; }
.form-success.show { display: block; }
.form-error { display: none; padding: 1.1rem 1.3rem; border: 1px solid #7a3b3b; border-radius: var(--radius); background: rgba(150,60,60,0.12); color: #e6b3b3; font-size: 0.9rem; margin-bottom: 1.5rem; }
.form-error.show { display: block; }

/* ---------- Page header ---------- */
.page-head { padding-top: 11rem; padding-bottom: 1rem; }
.crumb { font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted-2); margin-bottom: 1.2rem; }
.crumb a:hover { color: var(--gold); }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--line); background: var(--ink); padding-top: clamp(3.5rem, 7vw, 6rem); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 2.5rem; padding-bottom: 3.5rem; }
.footer .brand { display: inline-block; margin-bottom: 1rem; }
.footer p { color: var(--muted); font-size: 0.92rem; max-width: 34ch; }
.footer h5 { font-family: var(--sans); font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted-2); margin-bottom: 1.3rem; }
.footer ul { list-style: none; display: grid; gap: 0.8rem; }
.footer ul a { color: var(--muted); font-size: 0.92rem; transition: color 0.3s; }
.footer ul a:hover { color: var(--gold-soft); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; padding: 1.8rem 0; border-top: 1px solid var(--line); font-size: 0.78rem; color: var(--muted-2); letter-spacing: 0.06em; }

/* ---------- Float WhatsApp ---------- */
.wa-float {
  position: fixed; right: 1.4rem; bottom: 1.4rem; z-index: 90;
  width: 56px; height: 56px; border-radius: 50%; background: #1f7a4d;
  display: flex; align-items: center; justify-content: center; color: #fff;
  box-shadow: 0 10px 30px rgba(0,0,0,0.4); transition: transform 0.3s var(--ease);
}
.wa-float:hover { transform: scale(1.08); }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-d="1"] { transition-delay: 0.08s; }
.reveal[data-d="2"] { transition-delay: 0.16s; }
.reveal[data-d="3"] { transition-delay: 0.24s; }
.reveal[data-d="4"] { transition-delay: 0.32s; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .svc-grid { grid-template-columns: repeat(2, 1fr); }
  .values { grid-template-columns: repeat(3, 1fr); }
  .grid { columns: 2; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .nav-links.mobile {
    display: flex; flex-direction: column; gap: 1.6rem; position: fixed; inset: 0;
    background: rgba(12,12,14,0.98); backdrop-filter: blur(12px); align-items: center; justify-content: center; z-index: 99;
  }
  .nav-links.mobile a { font-size: 1.1rem; }
  .split, .split.rev { grid-template-columns: 1fr; direction: ltr; }
  .split-media { aspect-ratio: 16/11; }
  .values, .stats { grid-template-columns: 1fr 1fr; }
  .step { grid-template-columns: 3rem 1fr; }
  .step .ph { grid-column: 2; }
  .form-shell { grid-template-columns: 1fr; }
  .grid { columns: 1; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .svc-grid { grid-template-columns: 1fr; }
  .values, .stats { grid-template-columns: 1fr; }
}