/* ─────────────────────────────────────────
   NertiCovers · assets/style.css
   WCAG 2.1 AA compliant
───────────────────────────────────────── */

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

:root {
  --black:      #080808;
  --surface:    #111111;
  --card:       #181818;
  --border:     rgba(255,255,255,0.07);
  --border-md:  rgba(255,255,255,0.13);
  --gold:       #c8a96e;
  --gold-dim:   #9c7e4e;
  --white:      #f0ede8;
  --muted:      #9e9e95;   /* raised from #888880 for AA contrast on card bg */
  --radius:     12px;
  --focus-ring: 2px solid #c8a96e;
  --focus-offset: 3px;
}

/* ── GLOBAL ── */
html { scroll-behavior: smooth; }
body {
  font-family: 'Heebo', sans-serif;
  background: var(--black);
  color: var(--white);
  overflow-x: hidden;
  line-height: 1.7;
}
body::before {
  content: '';
  position: fixed; inset: 0;
  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='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  opacity: 0.025;
  pointer-events: none;
  z-index: 9990;
}

/* ── ACCESSIBILITY: SKIP LINK ── */
.skip-link {
  position: absolute;
  top: -100px; left: 1rem;
  background: var(--gold); color: #000;
  padding: 0.75rem 1.2rem; border-radius: 0 0 8px 8px;
  font-family: 'Heebo', sans-serif;
  font-weight: 700; font-size: 0.9rem;
  text-decoration: none;
  z-index: 9999;
  transition: top 0.2s;
}
.skip-link:focus { top: 0; }

/* ── ACCESSIBILITY: FOCUS RING ── */
*:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
  border-radius: 4px;
}
button:focus-visible,
a:focus-visible { border-radius: 6px; }

/* ── VISUALLY HIDDEN (screen-reader only) ── */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ── REDUCED MOTION ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ─────────────────────────────────────────
   NAVBAR
───────────────────────────────────────── */
nav#main-nav {
  position: fixed; top: 0; right: 0; left: 0;
  z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 2.5rem;
  height: 64px;
  background: rgba(8,8,8,0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
nav#main-nav .logo img { height: 36px; display: block; }
nav#main-nav ul {
  display: flex; gap: 2rem; list-style: none;
  align-items: center;
}
nav#main-nav ul li a {
  text-decoration: none; color: var(--muted);
  font-size: 0.875rem; font-weight: 400; letter-spacing: 0.02em;
  transition: color 0.2s;
  padding: 0.3rem 0.1rem;
  min-height: 44px; display: inline-flex; align-items: center;
}
nav#main-nav ul li a:hover { color: var(--white); }
nav#main-nav .nav-cta {
  background: var(--gold); color: #000 !important;
  padding: 0.5rem 1.2rem; border-radius: 6px;
  font-weight: 700 !important;
  transition: background 0.2s !important;
}
nav#main-nav .nav-cta:hover { background: #dfc28a !important; }

.hamburger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; background: none; border: none;
  padding: 10px; min-width: 44px; min-height: 44px;
  align-items: center; justify-content: center;
}
.hamburger span {
  width: 24px; height: 1.5px; background: var(--white);
  display: block; transition: all 0.3s; pointer-events: none;
}
.hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ─────────────────────────────────────────
   HERO
───────────────────────────────────────── */
#hero {
  min-height: 100vh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center;
  padding: 120px 2rem 80px;
  position: relative; overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 40%, rgba(200,169,110,0.07) 0%, transparent 70%);
  pointer-events: none;
}
.hero-ring {
  position: absolute; border-radius: 50%;
  border: 1px solid rgba(200,169,110,0.055);
  top: 50%; left: 50%; transform: translate(-50%,-50%);
  pointer-events: none;
}
.hero-ring-1 { width: 520px; height: 520px; }
.hero-ring-2 { width: 820px; height: 820px; border-color: rgba(200,169,110,0.025); }
.hero-ring-3 { width: 1100px; height: 1100px; border-color: rgba(200,169,110,0.012); }

.hero-bg-photo {
  position: absolute; inset: 0; z-index: 0;
  background: url('hero-bg.jpg') center/cover no-repeat;
  opacity: 0.18;
  -webkit-mask-image: linear-gradient(to bottom, black 0%, black 40%, transparent 88%);
  mask-image: linear-gradient(to bottom, black 0%, black 40%, transparent 88%);
  pointer-events: none;
}

#hero .logo-img {
  width: 150px; margin-bottom: 2.5rem;
  animation: fadeUp 0.9s ease both;
}
#hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  font-weight: 700; line-height: 1.15;
  letter-spacing: -0.02em;
  animation: fadeUp 0.9s ease 0.15s both;
}
#hero h1 em {
  font-family: 'Playfair Display', serif;
  font-style: italic; color: var(--gold);
}
#hero p.sub {
  max-width: 500px; margin: 1.4rem auto 0;
  color: var(--muted); font-size: 1rem; font-weight: 300;
  animation: fadeUp 0.9s ease 0.3s both;
}
.hero-actions {
  display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap;
  margin-top: 2.5rem;
  animation: fadeUp 0.9s ease 0.45s both;
}
.scroll-cue {
  position: absolute; bottom: 2.5rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 0.4rem;
  opacity: 0.3; font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase;
  animation: fadeIn 1.5s ease 1.2s both;
  pointer-events: none;
}
.scroll-cue::after {
  content: ''; width: 1px; height: 38px;
  background: linear-gradient(to bottom, var(--white), transparent);
  display: block;
}

/* ─────────────────────────────────────────
   BUTTONS
───────────────────────────────────────── */
.btn-primary {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: var(--gold); color: #000;
  padding: 0.75rem 1.8rem; border-radius: 8px;
  font-family: 'Heebo', sans-serif;
  font-size: 0.95rem; font-weight: 700; text-decoration: none;
  border: none; cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  min-height: 44px;
}
.btn-primary:hover { background: #dfc28a; transform: translateY(-2px); }
.btn-outline {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: transparent; color: var(--white);
  border: 1px solid rgba(255,255,255,0.2);
  padding: 0.75rem 1.8rem; border-radius: 8px;
  font-family: 'Heebo', sans-serif;
  font-size: 0.95rem; font-weight: 400; text-decoration: none;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, transform 0.15s;
  min-height: 44px;
}
.btn-outline:hover { border-color: var(--gold); background: rgba(200,169,110,0.05); transform: translateY(-2px); }
.btn-wa {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: #25d366; color: #fff;
  padding: 0.85rem 2rem; border-radius: 8px;
  font-family: 'Heebo', sans-serif;
  font-size: 1rem; font-weight: 700; text-decoration: none;
  border: none; cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  min-height: 44px;
}
.btn-wa:hover { background: #1fb558; transform: translateY(-2px); }
.btn-wa svg { width: 20px; height: 20px; fill: #fff; flex-shrink: 0; }

/* ─────────────────────────────────────────
   SECTION SHARED
───────────────────────────────────────── */
section { padding: 100px 2rem; }
.section-inner { max-width: 1100px; margin: 0 auto; }
.section-label {
  font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--gold); font-weight: 500; margin-bottom: 0.8rem;
  display: flex; align-items: center; gap: 0.6rem;
}
.section-label::before {
  content: ''; display: block;
  width: 24px; height: 1px; background: var(--gold);
  flex-shrink: 0;
}
h2.section-title {
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 700; line-height: 1.2;
  letter-spacing: -0.02em;
}

/* ─────────────────────────────────────────
   ABOUT
───────────────────────────────────────── */
#about { background: var(--surface); }
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 4rem; align-items: center;
}
.about-text p { color: var(--muted); margin-top: 1.2rem; font-weight: 300; font-size: 1rem; }
.about-stats {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1px; background: var(--border);
  border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden;
}
.stat-box { background: var(--card); padding: 2rem 1.5rem; text-align: center; }
.stat-box .num {
  font-size: 2.6rem; font-weight: 900; color: var(--gold);
  letter-spacing: -0.03em; line-height: 1;
}
.stat-box .lbl { margin-top: 0.4rem; font-size: 0.85rem; color: var(--muted); font-weight: 300; }

/* ─────────────────────────────────────────
   MATERIALS
───────────────────────────────────────── */
#materials { background: var(--black); }
.materials-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem; margin-top: 3rem;
}
.material-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  transition: border-color 0.25s, transform 0.25s;
}
.material-card:hover { border-color: var(--gold-dim); transform: translateY(-4px); }
.material-icon {
  width: 44px; height: 44px; border-radius: 8px;
  background: rgba(200,169,110,0.1);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.2rem;
  flex-shrink: 0;
}
.material-icon svg { width: 22px; height: 22px; stroke: var(--gold); fill: none; stroke-width: 1.5; }
.material-card h3 { font-size: 1rem; font-weight: 600; }
.material-card p { font-size: 0.875rem; color: var(--muted); margin-top: 0.5rem; font-weight: 300; }

/* ─────────────────────────────────────────
   GALLERY
───────────────────────────────────────── */
#gallery { background: var(--surface); }

.gallery-filter {
  display: flex; gap: 0.6rem; flex-wrap: wrap; margin: 2rem 0 2.5rem;
  role: group;
}
.filter-btn {
  background: transparent; border: 1px solid var(--border);
  color: var(--muted); padding: 0.45rem 1rem; border-radius: 99px;
  font-family: 'Heebo', sans-serif; font-size: 0.82rem; cursor: pointer;
  transition: all 0.2s;
  min-height: 44px;
}
.filter-btn.active, .filter-btn:hover {
  background: var(--gold); border-color: var(--gold); color: #000; font-weight: 700;
}
.filter-btn[aria-pressed="true"] {
  background: var(--gold); border-color: var(--gold); color: #000; font-weight: 700;
}

.gallery-live { margin-bottom: 0.5rem; }

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  transition: gap 0.3s;
}
.gallery-item {
  aspect-ratio: 4/3;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden; position: relative;
  cursor: pointer;
  transition: transform 0.25s, border-color 0.25s, opacity 0.3s;
}
.gallery-item.featured { grid-column: span 2; }
.gallery-item:hover { transform: scale(1.02); border-color: var(--gold-dim); }
.gallery-item:focus-visible {
  outline: var(--focus-ring); outline-offset: 3px;
  transform: scale(1.02);
}
.gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center;
  display: block;
  transition: transform 0.4s;
}
.gallery-item:hover img { transform: scale(1.04); }

.gallery-item.hidden {
  display: none;
}

.gallery-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 55%);
  opacity: 0; transition: opacity 0.25s;
  display: flex; align-items: flex-end; padding: 1rem;
  pointer-events: none;
}
.gallery-item:hover .gallery-overlay,
.gallery-item:focus-visible .gallery-overlay { opacity: 1; }
.gallery-overlay span { font-size: 0.82rem; color: var(--white); font-weight: 400; }

.gallery-zoom-hint {
  position: absolute; top: 0.75rem; left: 0.75rem;
  width: 32px; height: 32px; border-radius: 50%;
  background: rgba(0,0,0,0.5); border: 1px solid var(--border-md);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity 0.25s; pointer-events: none;
}
.gallery-zoom-hint svg { width: 14px; height: 14px; stroke: var(--white); fill: none; stroke-width: 2; }
.gallery-item:hover .gallery-zoom-hint { opacity: 1; }

.gallery-empty {
  grid-column: 1/-1; text-align: center;
  padding: 3rem; color: var(--muted); font-size: 0.9rem;
  display: none;
}
.gallery-note {
  text-align: center; margin-top: 2rem;
  color: var(--muted); font-size: 0.85rem;
}

/* ─────────────────────────────────────────
   LIGHTBOX
───────────────────────────────────────── */
.lightbox {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(0,0,0,0.95);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity 0.25s;
}
.lightbox.open { opacity: 1; pointer-events: all; }

.lightbox-img-wrap {
  position: relative;
  max-width: 90vw; max-height: 80vh;
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.lightbox-img-wrap img {
  max-width: 90vw; max-height: 80vh;
  object-fit: contain;
  transform-origin: center;
  transition: transform 0.25s;
  user-select: none;
  display: block;
}

.lightbox-controls {
  display: flex; align-items: center; gap: 0.75rem;
  margin-top: 1.25rem;
}
.lb-btn {
  background: var(--card); border: 1px solid var(--border-md);
  color: var(--white); cursor: pointer;
  width: 44px; height: 44px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.2s, border-color 0.2s;
  font-size: 1rem;
}
.lb-btn:hover { background: #222; border-color: var(--gold-dim); }
.lb-btn svg { width: 18px; height: 18px; stroke: var(--white); fill: none; stroke-width: 2; }
.lb-zoom-label {
  font-size: 0.8rem; color: var(--muted);
  min-width: 48px; text-align: center;
}

.lightbox-close {
  position: absolute; top: 1.5rem; left: 1.5rem;
  background: rgba(255,255,255,0.08); border: 1px solid var(--border-md);
  color: var(--white); cursor: pointer;
  width: 44px; height: 44px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.2s;
}
.lightbox-close:hover { background: rgba(255,255,255,0.15); }
.lightbox-close svg { width: 20px; height: 20px; stroke: var(--white); fill: none; stroke-width: 2; }

.lightbox-nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  background: rgba(255,255,255,0.07); border: 1px solid var(--border-md);
  color: var(--white); cursor: pointer;
  width: 48px; height: 48px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.2s;
}
.lightbox-nav:hover { background: rgba(255,255,255,0.14); }
.lightbox-nav svg { width: 20px; height: 20px; stroke: var(--white); fill: none; stroke-width: 2; }
.lightbox-prev { right: 1.5rem; }
.lightbox-next { left: 1.5rem; }

.lightbox-caption {
  color: var(--muted); font-size: 0.85rem; margin-top: 0.75rem; text-align: center;
}
.lightbox-counter {
  color: var(--muted); font-size: 0.8rem;
}

/* ─────────────────────────────────────────
   BEFORE / AFTER SLIDER
───────────────────────────────────────── */
#before-after { background: var(--black); }
.ba-wrap {
  margin-top: 3rem;
  display: grid; grid-template-columns: 1fr 1fr; gap: 2rem;
  align-items: start;
}
.ba-intro p { color: var(--muted); font-size: 0.95rem; font-weight: 300; margin-top: 1rem; }
.ba-intro .ba-tip {
  margin-top: 1.5rem; font-size: 0.82rem; color: var(--gold-dim);
  display: flex; align-items: center; gap: 0.5rem;
}

.ba-container {
  position: relative; user-select: none;
  border-radius: var(--radius); overflow: hidden;
  cursor: col-resize;
  border: 1px solid var(--border);
  aspect-ratio: 16/16;
  background: var(--card);
}
.ba-container:focus-visible {
  outline: var(--focus-ring); outline-offset: 4px;
}

.ba-after-img, .ba-before-img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
}
.ba-after-img img, .ba-before-img img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center;
  display: block; pointer-events: none;
}

.ba-before-img {
  clip-path: inset(0 0 0 50%); /* right side = before, left = after — RTL friendly */
}

.ba-divider {
  position: absolute; top: 0; bottom: 0;
  right: 50%; /* RTL: position from right */
  width: 2px;
  background: var(--white);
  transform: translateX(50%);
  pointer-events: none;
}
.ba-handle {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--white);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 2px 12px rgba(0,0,0,0.5);
}
.ba-handle svg { width: 20px; height: 20px; stroke: #000; fill: none; stroke-width: 2.5; }

.ba-label {
  position: absolute; top: 1rem;
  background: rgba(0,0,0,0.55); color: var(--white);
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.3rem 0.75rem; border-radius: 4px;
  pointer-events: none;
}
.ba-label-after  { right: 1rem; }
.ba-label-before { left: 1rem; }

/* ─────────────────────────────────────────
   PROCESS
───────────────────────────────────────── */
#process { background: var(--surface); }
.process-steps {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem; margin-top: 3rem; position: relative;
  list-style: none; padding: 0;
}
.process-steps::before {
  content: '';
  position: absolute;
  top: 27px; right: 10%; left: 10%;
  height: 1px;
  background: linear-gradient(to left, transparent, var(--gold-dim), transparent);
  pointer-events: none;
}
.step { text-align: center; padding: 1rem 0.5rem; position: relative; z-index: 1; }
.step-num {
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--card); border: 1px solid var(--gold-dim);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1.2rem;
  font-size: 1.1rem; font-weight: 700; color: var(--gold);
}
.step h3 { font-size: 0.95rem; font-weight: 600; }
.step p { font-size: 0.82rem; color: var(--muted); margin-top: 0.4rem; font-weight: 300; }

/* ─────────────────────────────────────────
   PRICES
───────────────────────────────────────── */
#prices { background: var(--black); }
.price-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 1.5rem; margin-top: 3rem;
}
.price-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2rem 1.8rem;
  position: relative; overflow: hidden;
  transition: border-color 0.25s, transform 0.25s;
}
.price-card:hover { transform: translateY(-4px); }
.price-card.featured { border-color: var(--gold-dim); }
.price-card.featured::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at top, rgba(200,169,110,0.05), transparent 60%);
  pointer-events: none;
}
.badge {
  display: inline-block;
  background: var(--gold); color: #000;
  font-size: 0.7rem; font-weight: 700;
  padding: 0.25rem 0.7rem; border-radius: 4px;
  margin-bottom: 1rem; letter-spacing: 0.04em;
}
.price-card h3 { font-size: 1.2rem; font-weight: 700; }
.price-card .price-tag { font-size: 0.82rem; color: var(--muted); margin-top: 0.3rem; font-weight: 300; }
.price-card .price-amount {
  margin: 1rem 0;
  display: flex; align-items: baseline; gap: 0.3rem;
}
.price-amount .amount { font-size: 2.5rem; font-weight: 900; color: var(--gold); letter-spacing: -0.03em; }
.price-amount .currency { font-size: 1rem; color: var(--muted); }
.price-amount .note { font-size: 0.8rem; color: var(--muted); }
.price-card ul {
  list-style: none; display: flex; flex-direction: column; gap: 0.65rem;
  margin-top: 1.2rem;
}
.price-card ul li {
  font-size: 0.875rem; color: var(--muted); font-weight: 300;
  display: flex; align-items: center; gap: 0.6rem;
  line-height: 1.45;
}
.price-card ul li::before {
  content: ''; width: 5px; height: 5px; border-radius: 50%;
  background: var(--gold); flex-shrink: 0;
}
.price-card .btn-primary, .price-card .btn-outline {
  width: 100%; justify-content: center; margin-top: 1.8rem;
}
.price-note {
  text-align: center; margin-top: 1.5rem;
  color: var(--muted); font-size: 0.82rem;
}

/* ─────────────────────────────────────────
   CONTACT
───────────────────────────────────────── */
#contact { background: var(--surface); }
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 4rem; align-items: start; margin-top: 3rem;
}
.contact-left h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: 0.5rem; }
.contact-left p { color: var(--muted); font-size: 0.9rem; font-weight: 300; margin-bottom: 1.8rem; }
.social-links { display: flex; flex-direction: column; gap: 0.75rem; }
.social-link {
  display: flex; align-items: center; gap: 1rem;
  text-decoration: none; color: var(--white);
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 0.85rem 1.2rem;
  font-size: 0.9rem; font-weight: 400;
  transition: border-color 0.2s, background 0.2s, transform 0.15s;
  min-height: 60px;
}
.social-link:hover { border-color: var(--gold-dim); background: rgba(200,169,110,0.04); transform: translateX(-4px); }
.social-icon {
  width: 36px; height: 36px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.social-icon svg { width: 18px; height: 18px; }
.si-wa  { background: rgba(37,211,102,0.15); }
.si-wa  svg { fill: #25d366; }
.si-ig  { background: rgba(228,64,95,0.15); }
.si-ig  svg { fill: #e4405f; }
.si-fb  { background: rgba(24,119,242,0.15); }
.si-fb  svg { fill: #1877f2; }
.si-tk  { background: rgba(255,255,255,0.08); }
.si-tk  svg { fill: #fff; }
.social-link .arrow { margin-right: auto; color: var(--muted); font-size: 0.8rem; flex-shrink: 0; }

.contact-right .whatsapp-big {
  background: rgba(37,211,102,0.05);
  border: 1px solid rgba(37,211,102,0.18);
  border-radius: var(--radius); padding: 2rem 1.8rem; text-align: center;
}
.whatsapp-big .wa-icon-wrap {
  width: 64px; height: 64px; border-radius: 50%;
  background: rgba(37,211,102,0.12);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1.2rem;
}
.whatsapp-big .wa-icon-wrap svg { width: 34px; height: 34px; fill: #25d366; }
.whatsapp-big h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 0.5rem; }
.whatsapp-big p { color: var(--muted); font-size: 0.875rem; margin-bottom: 1.5rem; font-weight: 300; }

/* ─────────────────────────────────────────
   FLOATING WA
───────────────────────────────────────── */
.wa-float {
  position: fixed; bottom: 2rem; left: 2rem;
  width: 56px; height: 56px; border-radius: 50%;
  background: #25d366;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.3);
  text-decoration: none; z-index: 200;
  transition: transform 0.2s, box-shadow 0.2s;
}
.wa-float:hover { transform: scale(1.1); box-shadow: 0 6px 28px rgba(37,211,102,0.45); }
.wa-float svg { width: 28px; height: 28px; fill: #fff; }

/* ─────────────────────────────────────────
   FOOTER
───────────────────────────────────────── */
footer {
  background: var(--card);
  border-top: 1px solid var(--border);
  padding: 2.5rem 2rem;
  text-align: center;
}
footer img { height: 26px; opacity: 0.55; margin-bottom: 1rem; display: block; margin-inline: auto; }
footer p { font-size: 0.8rem; color: var(--muted); }
footer .footer-links {
  display: flex; gap: 1.5rem; justify-content: center;
  margin-top: 1rem; flex-wrap: wrap;
}
footer .footer-links a {
  font-size: 0.78rem; color: var(--muted); text-decoration: none;
  transition: color 0.2s;
}
footer .footer-links a:hover { color: var(--white); }

/* ─────────────────────────────────────────
   ANIMATIONS
───────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; } to { opacity: 1; }
}

/* scroll reveal base state */
.reveal {
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ─────────────────────────────────────────
   RESPONSIVE
───────────────────────────────────────── */
@media (max-width: 860px) {
  nav#main-nav ul { display: none; }
  nav#main-nav ul.open {
    display: flex; flex-direction: column;
    position: absolute; top: 64px; right: 0; left: 0;
    background: rgba(8,8,8,0.97);
    padding: 1.5rem 2rem; gap: 0.6rem;
    border-bottom: 1px solid var(--border);
  }
  nav#main-nav ul.open li a {
    font-size: 1.05rem; min-height: 52px; display: flex; align-items: center;
  }
  .hamburger { display: flex; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .process-steps { grid-template-columns: 1fr 1fr; }
  .process-steps::before { display: none; }
  .ba-wrap { grid-template-columns: 1fr; }
  .ba-intro { order: 2; }
}

@media (max-width: 600px) {
  nav#main-nav { padding: 0 1.2rem; }
  section { padding: 70px 1.2rem; }
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-item.featured { grid-column: span 1; }
  .price-grid { grid-template-columns: 1fr; }
  .lightbox-prev { right: 0.5rem; }
  .lightbox-next { left: 0.5rem; }
}

/* ── HIGH CONTRAST MODE SUPPORT ── */
@media (forced-colors: active) {
  .btn-primary, .btn-wa { forced-color-adjust: none; }
  .gallery-item, .price-card, .material-card { border: 2px solid ButtonText; }
}