/* =========================================================
   JR SOMBRAS DE LA BAJA — Estilos premium industrial moderno
   Paleta: Negro carbón · Gris acero · Blanco humo · Dorado arena / Naranja quemado
   ========================================================= */

:root {
  --carbon: #0e0f11;
  --carbon-2: #16181c;
  --acero: #2b2f36;
  --acero-light: #3c424b;
  --humo: #f4f4f1;
  --humo-2: #e6e6e1;
  --dorado: #c9a96a;
  --dorado-bright: #dcc189;
  --naranja: #cc5b1f;
  --texto: #1a1c1f;
  --texto-mut: #8a9099;
  --linea: rgba(255, 255, 255, 0.08);
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.55);
  --shadow-card: 0 18px 40px -22px rgba(0, 0, 0, 0.7);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --maxw: 1240px;
  --font-head: 'Oswald', 'Arial Narrow', sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--texto);
  background: var(--humo);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 600;
  letter-spacing: 0.5px;
  line-height: 1.08;
  text-transform: uppercase;
}

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

.container { width: 92%; max-width: var(--maxw); margin: 0 auto; }

.accent { color: var(--dorado); }
.accent-2 { color: var(--naranja); }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 15px 30px;
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), background 0.3s;
}
.btn-wa {
  background: #25d366;
  color: #06281a;
}
.btn-wa:hover { transform: translateY(-3px); box-shadow: 0 14px 30px -10px rgba(37, 211, 102, 0.6); }
.btn-gold {
  background: linear-gradient(135deg, var(--dorado), var(--dorado-bright));
  color: var(--carbon);
}
.btn-gold:hover { transform: translateY(-3px); box-shadow: 0 14px 30px -10px rgba(201, 169, 106, 0.6); }
.btn-ghost {
  background: transparent;
  color: var(--humo);
  border: 1.5px solid rgba(255, 255, 255, 0.4);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.1); border-color: var(--humo); transform: translateY(-3px); }
.btn-dark {
  background: var(--carbon);
  color: var(--humo);
}
.btn-dark:hover { background: var(--acero); transform: translateY(-3px); }

/* ---------- Navbar ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  background: rgba(14, 15, 17, 0);
  transition: background 0.4s var(--ease), padding 0.4s var(--ease), box-shadow 0.4s;
}
.nav.scrolled {
  background: rgba(14, 15, 17, 0.96);
  padding: 10px 0;
  box-shadow: 0 10px 30px -15px rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
}
.nav .container { display: flex; align-items: center; justify-content: space-between; width: 92%; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 44px; height: 44px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--dorado), var(--naranja));
  display: grid; place-items: center;
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--carbon);
  font-size: 1.1rem;
  flex: none;
}
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-text strong {
  font-family: var(--font-head);
  font-size: 1.15rem;
  color: var(--humo);
  letter-spacing: 1px;
  text-transform: uppercase;
}
.brand-text span { font-size: 0.62rem; letter-spacing: 3px; color: var(--dorado); text-transform: uppercase; }

.nav-links { display: flex; align-items: center; gap: 30px; list-style: none; }
.nav-links a {
  color: var(--humo);
  font-family: var(--font-head);
  font-size: 0.92rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  position: relative;
  padding: 4px 0;
  opacity: 0.85;
  transition: opacity 0.25s;
}
.nav-links a::after {
  content: '';
  position: absolute; left: 0; bottom: -3px;
  width: 0; height: 2px;
  background: var(--dorado);
  transition: width 0.3s var(--ease);
}
.nav-links a:hover, .nav-links a.active { opacity: 1; }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-cta { margin-left: 6px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none; border: none; cursor: pointer;
  padding: 6px;
}
.nav-toggle span { width: 26px; height: 2px; background: var(--humo); transition: 0.3s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--carbon);
}
.hero-media {
  position: absolute; inset: 0;
  z-index: 0;
}
.hero-media video, .hero-media .hero-fallback {
  width: 100%; height: 100%;
  object-fit: cover;
}
/* Fallback animado mientras no hay video */
.hero-fallback {
  background:
    radial-gradient(circle at 20% 30%, rgba(201,169,106,0.18), transparent 45%),
    radial-gradient(circle at 80% 70%, rgba(204,91,31,0.16), transparent 45%),
    linear-gradient(135deg, #0b0c0e 0%, #1b1f25 55%, #0b0c0e 100%);
  background-size: 200% 200%;
  animation: heroShift 16s ease-in-out infinite;
}
@keyframes heroShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
.hero-overlay {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(90deg, rgba(8,9,10,0.92) 0%, rgba(8,9,10,0.6) 55%, rgba(8,9,10,0.35) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
  padding: 120px 0 60px;
}
.hero-kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-head);
  font-size: 0.8rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--dorado);
  margin-bottom: 22px;
}
.hero-kicker::before { content: ''; width: 38px; height: 2px; background: var(--dorado); display: inline-block; }
.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.6rem);
  color: var(--humo);
  margin-bottom: 22px;
}
.hero h1 em { font-style: normal; color: var(--dorado); }
.hero p {
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  color: #d6d8db;
  max-width: 600px;
  margin-bottom: 36px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; }
.hero-stats {
  display: flex; gap: 40px; margin-top: 54px; flex-wrap: wrap;
}
.hero-stats .stat strong {
  display: block;
  font-family: var(--font-head);
  font-size: 2.2rem;
  color: var(--humo);
}
.hero-stats .stat span { font-size: 0.8rem; letter-spacing: 1px; color: var(--texto-mut); text-transform: uppercase; }

/* ---------- Secciones genéricas ---------- */
.section { padding: 100px 0; }
.section-dark { background: var(--carbon); color: var(--humo); }
.section-steel { background: var(--carbon-2); color: var(--humo); }
.section-light { background: var(--humo); }
.section-head { max-width: 640px; margin-bottom: 56px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.eyebrow {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.78rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--dorado);
  margin-bottom: 14px;
}
.section-head h2 { font-size: clamp(1.9rem, 4vw, 3rem); margin-bottom: 16px; }
.section-light .section-head h2 { color: var(--carbon); }
.section-head p { color: var(--texto-mut); font-size: 1.05rem; }
.section-dark .section-head p, .section-steel .section-head p { color: #aeb4bc; }

/* ---------- Cards de servicios ---------- */
.grid { display: grid; gap: 26px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.service-card {
  position: relative;
  background: linear-gradient(160deg, var(--acero) 0%, var(--carbon-2) 100%);
  border: 1px solid var(--linea);
  border-radius: var(--radius);
  padding: 34px 30px;
  overflow: hidden;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.4s;
}
.service-card::before {
  content: '';
  position: absolute; top: 0; left: 0;
  width: 100%; height: 4px;
  background: linear-gradient(90deg, var(--dorado), var(--naranja));
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.45s var(--ease);
}
.service-card:hover { transform: translateY(-10px); box-shadow: var(--shadow-card); border-color: rgba(201,169,106,0.45); }
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
  width: 56px; height: 56px;
  border-radius: 12px;
  background: rgba(201,169,106,0.12);
  display: grid; place-items: center;
  margin-bottom: 22px;
  color: var(--dorado);
}
.service-icon svg { width: 28px; height: 28px; }
.service-card h3 { color: var(--humo); font-size: 1.35rem; margin-bottom: 12px; }
.service-card p { color: #aeb4bc; font-size: 0.96rem; }
.service-card .more {
  display: inline-flex; align-items: center; gap: 7px;
  margin-top: 18px;
  font-family: var(--font-head);
  font-size: 0.82rem; letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--dorado);
}
.service-card .more svg { width: 16px; transition: transform 0.3s; }
.service-card:hover .more svg { transform: translateX(5px); }

/* ---------- Beneficios ---------- */
.benefits { background: var(--carbon); color: var(--humo); }
.benefit-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px 40px; }
.benefit {
  display: flex; align-items: flex-start; gap: 16px;
  padding: 20px 22px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--linea);
  border-radius: var(--radius-sm);
  transition: background 0.3s, transform 0.3s var(--ease);
}
.benefit:hover { background: rgba(201,169,106,0.08); transform: translateX(6px); }
.benefit .check {
  flex: none; width: 30px; height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--dorado), var(--naranja));
  display: grid; place-items: center;
  color: var(--carbon);
}
.benefit .check svg { width: 16px; }
.benefit strong { display: block; color: var(--humo); font-size: 1.02rem; font-weight: 600; }
.benefit span { color: #9aa0a8; font-size: 0.88rem; }

/* ---------- Galería / Catálogo ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-bottom: 44px; }
.filter-btn {
  font-family: var(--font-head);
  font-size: 0.84rem; letter-spacing: 1px;
  text-transform: uppercase;
  padding: 10px 20px;
  border: 1.5px solid var(--acero-light);
  background: transparent;
  color: var(--texto-mut);
  border-radius: 50px;
  cursor: pointer;
  transition: 0.3s;
}
.section-light .filter-btn { color: var(--acero); border-color: #cfcfca; }
.filter-btn:hover { border-color: var(--dorado); color: var(--dorado); }
.filter-btn.active { background: var(--carbon); color: var(--humo); border-color: var(--carbon); }
.section-light .filter-btn.active { background: var(--carbon); color: var(--humo); }

.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.gallery-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  cursor: pointer;
  transition: transform 0.5s var(--ease), opacity 0.4s;
}
.gallery-item .ph {
  width: 100%; height: 100%;
  display: grid; place-items: center;
  text-align: center;
  font-family: var(--font-head);
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.75);
  font-size: 1rem;
  background-size: cover; background-position: center;
}
.gallery-item .gallery-cap {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 22px 20px 18px;
  background: linear-gradient(to top, rgba(8,9,10,0.92), transparent);
  transform: translateY(8px); opacity: 0;
  transition: 0.4s var(--ease);
}
.gallery-item:hover { transform: scale(1.015); }
.gallery-item:hover .gallery-cap { transform: translateY(0); opacity: 1; }
.gallery-cap strong { display: block; color: var(--humo); font-family: var(--font-head); letter-spacing: 1px; }
.gallery-cap span { color: var(--dorado); font-size: 0.78rem; letter-spacing: 1px; text-transform: uppercase; }
.gallery-item.hide { display: none; }

/* placeholder gradients por categoría */
.ph-a { background: linear-gradient(135deg,#2b2f36,#0e0f11); }
.ph-b { background: linear-gradient(135deg,#3c2a16,#0e0f11); }
.ph-c { background: linear-gradient(135deg,#1d2730,#0e0f11); }
.ph-d { background: linear-gradient(135deg,#332417,#0e0f11); }
.ph-e { background: linear-gradient(135deg,#262b22,#0e0f11); }

/* ---------- Slider de proyectos ---------- */
.slider { position: relative; max-width: 980px; margin: 0 auto; }
.slider-track { position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 16/9; background: var(--carbon-2); }
.slide {
  position: absolute; inset: 0;
  opacity: 0; transition: opacity 0.7s var(--ease);
  display: grid; place-items: end start;
}
.slide.active { opacity: 1; }
.slide .ph { position: absolute; inset: 0; }
.slide-caption {
  position: relative; z-index: 2;
  padding: 34px;
  background: linear-gradient(to top, rgba(8,9,10,0.9), transparent);
  width: 100%;
}
.slide-caption h3 { color: var(--humo); font-size: 1.6rem; }
.slide-caption span { color: var(--dorado); letter-spacing: 1px; text-transform: uppercase; font-size: 0.82rem; }
.slider-btn {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 50px; height: 50px; border-radius: 50%;
  background: rgba(14,15,17,0.7); color: var(--humo);
  border: 1px solid var(--linea);
  display: grid; place-items: center; cursor: pointer;
  z-index: 3; transition: 0.3s;
}
.slider-btn:hover { background: var(--dorado); color: var(--carbon); }
.slider-btn.prev { left: 16px; }
.slider-btn.next { right: 16px; }
.slider-dots { display: flex; gap: 10px; justify-content: center; margin-top: 22px; }
.dot { width: 11px; height: 11px; border-radius: 50%; background: var(--acero-light); cursor: pointer; transition: 0.3s; border: none; }
.dot.active { background: var(--dorado); width: 30px; border-radius: 6px; }

/* ---------- Franja CTA ---------- */
.cta-band {
  background:
    linear-gradient(rgba(8,9,10,0.86), rgba(8,9,10,0.86)),
    linear-gradient(135deg, var(--acero), var(--carbon));
  text-align: center;
  padding: 90px 0;
}
.cta-band h2 { color: var(--humo); font-size: clamp(1.8rem, 4vw, 2.8rem); margin-bottom: 16px; }
.cta-band p { color: #c2c6cb; max-width: 560px; margin: 0 auto 32px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ---------- Nosotros ---------- */
.about-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: center; }
.about-media {
  border-radius: var(--radius); overflow: hidden;
  aspect-ratio: 4/5; min-height: 380px;
  background: linear-gradient(135deg,#2b2f36,#0e0f11);
  display: grid; place-items: center;
  color: rgba(255,255,255,0.5);
  font-family: var(--font-head); letter-spacing: 2px;
}
.about-text h2 { font-size: clamp(1.9rem,4vw,2.8rem); color: var(--carbon); margin-bottom: 18px; }
.about-text p { color: #54585e; margin-bottom: 16px; }
.values { display: grid; grid-template-columns: repeat(2,1fr); gap: 20px; margin-top: 30px; }
.value strong { display: block; font-family: var(--font-head); color: var(--carbon); font-size: 1.05rem; letter-spacing: 1px; }
.value span { color: var(--texto-mut); font-size: 0.9rem; }
.value { padding-left: 16px; border-left: 3px solid var(--dorado); }

/* ---------- Formulario ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.form-card {
  background: var(--carbon-2);
  border: 1px solid var(--linea);
  border-radius: var(--radius);
  padding: 40px;
}
.field { margin-bottom: 20px; }
.field label {
  display: block;
  font-family: var(--font-head);
  font-size: 0.82rem; letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--dorado);
  margin-bottom: 8px;
}
.field input, .field select, .field textarea {
  width: 100%;
  padding: 13px 15px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--acero-light);
  border-radius: var(--radius-sm);
  color: var(--humo);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color 0.3s, background 0.3s;
}
.field input::placeholder, .field textarea::placeholder { color: #6b7178; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--dorado); background: rgba(201,169,106,0.06);
}
.field textarea { resize: vertical; min-height: 110px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-note { font-size: 0.82rem; color: var(--texto-mut); margin-top: 8px; }
.form-msg { margin-top: 16px; padding: 14px; border-radius: 8px; font-size: 0.92rem; display: none; }
.form-msg.show { display: block; }
.form-msg.ok { background: rgba(37,211,102,0.12); color: #6fe6a0; border: 1px solid rgba(37,211,102,0.3); }

.contact-info { color: var(--humo); }
.contact-info h2 { font-size: clamp(1.8rem,4vw,2.6rem); color: var(--humo); margin-bottom: 18px; }
.contact-info p.lead { color: #aeb4bc; margin-bottom: 30px; }
.info-item { display: flex; gap: 16px; align-items: flex-start; padding: 16px 0; border-bottom: 1px solid var(--linea); }
.info-item .ic { width: 44px; height: 44px; border-radius: 10px; background: rgba(201,169,106,0.12); display: grid; place-items: center; color: var(--dorado); flex: none; }
.info-item .ic svg { width: 22px; }
.info-item strong { display: block; color: var(--humo); font-family: var(--font-head); letter-spacing: 1px; }
.info-item span { color: #9aa0a8; font-size: 0.92rem; }
.zones { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.zone-chip {
  font-family: var(--font-head); font-size: 0.8rem; letter-spacing: 1px; text-transform: uppercase;
  padding: 8px 16px; border-radius: 50px;
  background: rgba(255,255,255,0.05); color: var(--dorado);
  border: 1px solid var(--linea);
}

/* ---------- Page header (subpáginas) ---------- */
.page-head {
  position: relative;
  padding: 170px 0 80px;
  background: linear-gradient(rgba(8,9,10,0.82), rgba(8,9,10,0.88)), linear-gradient(135deg,#2b2f36,#0e0f11);
  color: var(--humo);
  overflow: hidden;
}
.page-head::after {
  content:''; position:absolute; right:-60px; bottom:-60px;
  width: 260px; height: 260px; border-radius: 50%;
  background: radial-gradient(circle, rgba(201,169,106,0.22), transparent 70%);
}
.page-head .eyebrow { color: var(--dorado); }
.page-head h1 { font-size: clamp(2.2rem,5vw,3.6rem); margin-bottom: 12px; }
.page-head p { color: #c2c6cb; max-width: 600px; }
.crumbs { font-size: 0.82rem; color: var(--texto-mut); margin-bottom: 20px; letter-spacing: 1px; text-transform: uppercase; font-family: var(--font-head); }
.crumbs a:hover { color: var(--dorado); }

/* ---------- Footer ---------- */
.footer { background: #08090a; color: #aeb4bc; padding: 70px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; margin-bottom: 50px; }
.footer h4 { color: var(--humo); font-size: 1rem; letter-spacing: 1.5px; margin-bottom: 18px; }
.footer ul { list-style: none; }
.footer ul li { margin-bottom: 10px; }
.footer ul a { font-size: 0.92rem; transition: color 0.3s; }
.footer ul a:hover { color: var(--dorado); }
.footer-about p { font-size: 0.92rem; margin-top: 14px; max-width: 280px; }
.footer-bottom { border-top: 1px solid var(--linea); padding-top: 24px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 0.82rem; color: #6b7178; }

/* ---------- WhatsApp flotante ---------- */
.wa-float {
  position: fixed; right: 22px; bottom: 22px;
  width: 60px; height: 60px; border-radius: 50%;
  background: #25d366; color: #fff;
  display: grid; place-items: center;
  z-index: 1200;
  box-shadow: 0 10px 30px -8px rgba(37,211,102,0.6);
  animation: waPulse 2.2s infinite;
}
.wa-float svg { width: 32px; height: 32px; }
@keyframes waPulse {
  0% { box-shadow: 0 0 0 0 rgba(37,211,102,0.55); }
  70% { box-shadow: 0 0 0 18px rgba(37,211,102,0); }
  100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); }
}

/* ---------- CTA fijo móvil ---------- */
.mobile-cta {
  display: none;
  position: fixed; left: 0; right: 0; bottom: 0;
  z-index: 1100;
  background: rgba(14,15,17,0.97);
  border-top: 1px solid var(--linea);
  padding: 10px 14px;
  backdrop-filter: blur(8px);
}
.mobile-cta .btn { flex: 1; justify-content: center; padding: 13px; }
.mobile-cta-inner { display: flex; gap: 10px; }

/* ---------- Animaciones de scroll ---------- */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: 0.08s; }
.reveal.d2 { transition-delay: 0.16s; }
.reveal.d3 { transition-delay: 0.24s; }
.reveal.d4 { transition-delay: 0.32s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-fallback { animation: none; }
  .wa-float { animation: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1000px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .nav-links {
    position: fixed; top: 0; right: 0;
    height: 100vh; width: 78%; max-width: 320px;
    flex-direction: column; align-items: flex-start;
    justify-content: center;
    gap: 26px; padding: 40px;
    background: rgba(14,15,17,0.99);
    transform: translateX(100%);
    transition: transform 0.4s var(--ease);
  }
  .nav-links.open { transform: translateX(0); }
  .nav-links a { font-size: 1.3rem; }
  .nav-toggle { display: flex; z-index: 1001; }
  .nav-cta { display: none; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: 1fr; }
  .benefit-list { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .values { grid-template-columns: 1fr; }
  .section { padding: 70px 0; }
  .hero-stats { gap: 26px; }
  .mobile-cta { display: block; }
  body { padding-bottom: 64px; }
  .wa-float { bottom: 76px; }
}