/* ============================================================
   RECICLASIEL — STYLESHEET
   Paleta: Verde + Blanco | Estilo: Corporativo Industrial
   ============================================================ */

/* ── CUSTOM PROPERTIES ── */
:root {
  --clr-green-900:  #052e16;
  --clr-green-800:  #14532d;
  --clr-green-700:  #15803d;
  --clr-green-600:  #16a34a;
  --clr-green-500:  #22c55e;
  --clr-green-400:  #4ade80;
  --clr-green-100:  #dcfce7;
  --clr-green-50:   #f0fdf4;

  --clr-text-dark:  #0f172a;
  --clr-text-mid:   #334155;
  --clr-text-light: #64748b;
  --clr-text-white: #f8fafc;

  --clr-white:      #ffffff;
  --clr-gray-50:    #f8fafc;
  --clr-gray-100:   #f1f5f9;
  --clr-gray-200:   #e2e8f0;
  --clr-gray-300:   #cbd5e1;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:  0 4px 16px rgba(0,0,0,.08), 0 2px 8px rgba(0,0,0,.05);
  --shadow-lg:  0 20px 64px rgba(5,46,22,.15), 0 8px 24px rgba(0,0,0,.08);
  --shadow-xl:  0 32px 80px rgba(5,46,22,.2),  0 16px 40px rgba(0,0,0,.1);
  --shadow-green: 0 8px 32px rgba(22,163,74,.3);
  --shadow-wa:    0 8px 32px rgba(37,211,102,.4);

  --radius-sm:  8px;
  --radius-md:  14px;
  --radius-lg:  20px;
  --radius-xl:  28px;
  --radius-full: 9999px;

  --font-sans: 'Inter', system-ui, sans-serif;
  --font-display: 'Outfit', 'Inter', system-ui, sans-serif;

  --transition-fast: 0.18s cubic-bezier(.4,0,.2,1);
  --transition-mid:  0.32s cubic-bezier(.4,0,.2,1);
  --transition-slow: 0.55s cubic-bezier(.4,0,.6,1);

  --nav-height: 72px;
  --container-max: 1240px;
  --container-pad: clamp(1.25rem, 5vw, 3rem);

  --clr-wa: #25d366;
  --clr-wa-dark: #128c7e;
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
body {
  font-family: var(--font-sans);
  color: var(--clr-text-dark);
  background: var(--clr-white);
  line-height: 1.6;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; height: auto; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }

/* iOS text size fix */
@supports (-webkit-touch-callout: none) {
  html { -webkit-text-size-adjust: 100%; }
}

/* ── UTILITY ── */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--clr-gray-50); }
::-webkit-scrollbar-thumb { background: var(--clr-green-600); border-radius: 3px; }

/* ============================================================
   HEADER
   ============================================================ */
#main-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: background var(--transition-mid), box-shadow var(--transition-mid), backdrop-filter var(--transition-mid);
  background: transparent;
}
#main-header.scrolled {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-md);
}
/* Cuando el menú móvil está abierto, siempre fondo verde oscuro */
#main-header.menu-open {
  background: rgba(5,46,22,.98) !important;
  backdrop-filter: blur(20px) !important;
  -webkit-backdrop-filter: blur(20px) !important;
  box-shadow: none !important;
}

.nav-container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

/* Logo */
.logo-link { flex-shrink: 0; }
.logo-wrapper { display: flex; align-items: center; gap: .75rem; }

/* Real logo image */
.logo-img-wrapper { flex-shrink: 0; }
.logo-img {
  width: 46px; height: 46px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(255,255,255,.25);
  box-shadow: 0 2px 12px rgba(22,163,74,.35);
  transition: transform var(--transition-mid), border-color var(--transition-mid), box-shadow var(--transition-mid);
  display: block;
}
.logo-img:hover {
  transform: scale(1.08);
  border-color: var(--clr-green-400);
  box-shadow: 0 4px 20px rgba(22,163,74,.5);
}
#main-header.scrolled .logo-img { border-color: rgba(22,163,74,.35); }

.logo-text { display: flex; flex-direction: column; line-height: 1; }
.logo-main {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--clr-white);
  letter-spacing: -.02em;
  transition: color var(--transition-mid);
}
#main-header.scrolled .logo-main { color: var(--clr-green-800); }
.logo-sub {
  font-size: .55rem;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--clr-green-400);
  transition: color var(--transition-mid);
}
#main-header.scrolled .logo-sub { color: var(--clr-green-600); }

/* Nav Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: .25rem;
  margin-left: auto;
}
.nav-link {
  font-size: .875rem;
  font-weight: 500;
  color: rgba(255,255,255,.85);
  padding: .5rem .75rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px; left: 50%;
  width: 0; height: 2px;
  background: var(--clr-green-400);
  border-radius: 2px;
  transform: translateX(-50%);
  transition: width var(--transition-mid);
}
.nav-link:hover { color: var(--clr-white); }
.nav-link:hover::after { width: 60%; }
#main-header.scrolled .nav-link { color: var(--clr-text-mid); }
#main-header.scrolled .nav-link:hover { color: var(--clr-green-700); background: var(--clr-green-50); }
#main-header.scrolled .nav-link::after { background: var(--clr-green-600); }

/* CTA Nav Button */
.btn-cta-nav {
  display: flex;
  align-items: center;
  gap: .5rem;
  background: linear-gradient(135deg, var(--clr-green-600), var(--clr-green-700));
  color: var(--clr-white);
  font-size: .875rem;
  font-weight: 600;
  padding: .6rem 1.25rem;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-green);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast);
  white-space: nowrap;
  flex-shrink: 0;
}
.btn-cta-nav:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(22,163,74,.4);
  filter: brightness(1.06);
}
.btn-cta-nav:active { transform: translateY(0); }

/* Mobile Menu Button */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  margin-left: auto;
}
.mobile-menu-btn span {
  display: block;
  width: 24px; height: 2px;
  background: var(--clr-white);
  border-radius: 2px;
  transition: transform var(--transition-mid), opacity var(--transition-fast);
}
#main-header.scrolled .mobile-menu-btn span { background: var(--clr-text-dark); }
#main-header.menu-open .mobile-menu-btn span { background: var(--clr-white) !important; }
#main-header.menu-open .logo-main { color: var(--clr-white) !important; }
#main-header.menu-open .logo-sub  { color: var(--clr-green-400) !important; }
#main-header.menu-open .logo-img  { border-color: rgba(255,255,255,.25) !important; }
.mobile-menu-btn.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-menu-btn.open span:nth-child(2) { opacity: 0; }
.mobile-menu-btn.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Nav (oculto en desktop por defecto) */
.mobile-nav, .mobile-nav-backdrop {
  display: none;
}

/* ============================================================
   GLOBAL BUTTONS
   ============================================================ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  background: linear-gradient(135deg, var(--clr-green-600), var(--clr-green-700));
  color: var(--clr-white);
  font-weight: 700;
  font-size: 1rem;
  padding: .9rem 2rem;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-green);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast);
  position: relative;
  overflow: hidden;
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,.12), transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}
.btn-primary:hover::before { opacity: 1; }
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 48px rgba(22,163,74,.45);
}
.btn-primary:active { transform: translateY(-1px); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  background: rgba(255,255,255,.12);
  backdrop-filter: blur(12px);
  color: var(--clr-white);
  font-weight: 600;
  font-size: 1rem;
  padding: .9rem 2rem;
  border-radius: var(--radius-full);
  border: 1.5px solid rgba(255,255,255,.3);
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}
.btn-secondary:hover {
  background: rgba(255,255,255,.22);
  border-color: rgba(255,255,255,.55);
  transform: translateY(-3px);
}

.btn-primary-light {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  background: var(--clr-white);
  color: var(--clr-green-700);
  font-weight: 700;
  font-size: 1rem;
  padding: .9rem 2rem;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 24px rgba(0,0,0,.15);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  width: 100%;
  justify-content: center;
}
.btn-primary-light:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,0,0,.2);
}

/* ============================================================
   SECTION COMMON
   ============================================================ */
.section-badge {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--clr-green-700);
  background: var(--clr-green-50);
  padding: .35rem 1rem;
  border-radius: var(--radius-full);
  border: 1.5px solid #bbf7d0;
  margin-bottom: 1rem;
}
.section-badge.light {
  color: #86efac;
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.2);
}
.section-header { text-align: center; margin-bottom: 4rem; }
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--clr-text-dark);
  line-height: 1.2;
  letter-spacing: -.03em;
  margin-bottom: 1rem;
}
.section-title.light { color: var(--clr-white); }
.section-subtitle {
  font-size: 1.05rem;
  color: var(--clr-text-light);
  max-width: 640px;
  margin-inline: auto;
  line-height: 1.7;
}
.section-subtitle.light { color: rgba(255,255,255,.75); }

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero-section {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--nav-height) + 3rem) var(--container-pad) 6rem;
  overflow: hidden;
  background: linear-gradient(160deg,
    var(--clr-green-900) 0%,
    var(--clr-green-800) 40%,
    #0b3d20 70%,
    #062214 100%
  );
}

.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 100%, rgba(22,163,74,.18) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 20%, rgba(74,222,128,.12) 0%, transparent 55%),
    url('hero_background.png') center / cover no-repeat;
  opacity: .35;
  mix-blend-mode: luminosity;
}

.hero-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}
.particle {
  position: absolute;
  border-radius: 50%;
  background: var(--clr-green-400);
  opacity: .15;
  animation: float-particle linear infinite;
}

@keyframes float-particle {
  0%   { transform: translateY(0) rotate(0deg); opacity: .15; }
  50%  { opacity: .08; }
  100% { transform: translateY(-100vh) rotate(720deg); opacity: 0; }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 860px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: rgba(74,222,128,.12);
  border: 1.5px solid rgba(74,222,128,.3);
  color: var(--clr-green-400);
  font-size: .85rem;
  font-weight: 600;
  padding: .45rem 1.2rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.5rem;
  backdrop-filter: blur(8px);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5.2rem);
  font-weight: 900;
  color: var(--clr-white);
  line-height: 1.08;
  letter-spacing: -.04em;
  margin-bottom: 1.5rem;
  text-shadow: 0 4px 32px rgba(0,0,0,.3);
}
.hero-title-accent {
  background: linear-gradient(135deg, var(--clr-green-400), #86efac);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.2vw, 1.2rem);
  color: rgba(255,255,255,.78);
  max-width: 620px;
  margin-inline: auto;
  margin-bottom: 2.5rem;
  line-height: 1.75;
}
.hero-subtitle strong { color: var(--clr-green-400); font-weight: 600; }

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

/* Hero Photo Strip */
.hero-photo-strip {
  display: flex;
  gap: .75rem;
  justify-content: center;
  margin-bottom: 1.75rem;
  padding: 0 .5rem;
}
.hero-strip-img {
  width: 110px;
  height: 72px;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 2px solid rgba(255,255,255,.12);
  box-shadow: 0 4px 20px rgba(0,0,0,.3);
  transition: transform var(--transition-mid), border-color var(--transition-mid);
}
.hero-strip-img:hover {
  transform: scale(1.06);
  border-color: rgba(74,222,128,.4);
}

/* Stats */
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  background: rgba(255,255,255,.06);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-xl);
  padding: 1.5rem 2.5rem;
  max-width: 560px;
  margin-inline: auto;
}
.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .2rem;
  flex: 1;
}
.stat-number {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--clr-green-400);
  line-height: 1;
}
.stat-suffix {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--clr-green-400);
}
.stat-label {
  font-size: .75rem;
  font-weight: 500;
  color: rgba(255,255,255,.6);
  letter-spacing: .03em;
  text-align: center;
}
.stat-divider {
  width: 1px; height: 48px;
  background: rgba(255,255,255,.15);
  flex-shrink: 0;
  margin-inline: 1.5rem;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,.4);
  font-size: 1.2rem;
  animation: bounce-down 2s ease-in-out infinite;
  transition: color var(--transition-fast);
}
.hero-scroll-indicator:hover { color: var(--clr-green-400); }
@keyframes bounce-down {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(8px); }
}

/* ============================================================
   TRUST BAR
   ============================================================ */
.trust-bar {
  background: var(--clr-white);
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--clr-gray-100);
  box-shadow: var(--shadow-sm);
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}
.trust-item:hover { background: var(--clr-green-50); }
.trust-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--clr-green-50), var(--clr-green-100));
  color: var(--clr-green-600);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.trust-text { display: flex; flex-direction: column; }
.trust-text strong { font-size: .9rem; color: var(--clr-text-dark); font-weight: 700; }
.trust-text span { font-size: .78rem; color: var(--clr-text-light); }

/* ============================================================
   MATERIALS SECTION
   ============================================================ */
.materials-section {
  padding: 7rem 0;
  background: var(--clr-gray-50);
}

.materials-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.25rem;
  margin-bottom: 3.5rem;
}

.material-card {
  border-radius: var(--radius-lg);
  background: var(--clr-white);
  box-shadow: var(--shadow-sm);
  border: 1.5px solid var(--clr-gray-100);
  transition: transform var(--transition-mid), box-shadow var(--transition-mid), border-color var(--transition-mid);
  overflow: hidden;
}
.material-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: #bbf7d0;
}
.material-card-inner {
  padding: 1.75rem 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: .75rem;
  height: 100%;
}

.material-icon-wrapper {
  width: 72px; height: 72px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.material-icon-wrapper svg { width: 44px; height: 44px; }

.mat-iron     { background: linear-gradient(135deg, #374151, #4b5563); color: #9ca3af; }
.mat-copper   { background: linear-gradient(135deg, #7c2d12, #b45309); color: #fb923c; }
.mat-bronze   { background: linear-gradient(135deg, #78350f, #92400e); color: #f59e0b; }
.mat-aluminum { background: linear-gradient(135deg, #1e3a5f, #2563eb); color: #93c5fd; }
.mat-steel    { background: linear-gradient(135deg, #0f4c75, #1e6091); color: #7dd3fc; }
.mat-motor    { background: linear-gradient(135deg, #14532d, var(--clr-green-700)); color: var(--clr-green-400); }
.mat-battery  { background: linear-gradient(135deg, #1e1b4b, #312e81); color: #a5b4fc; }
.mat-coil     { background: linear-gradient(135deg, #3b0764, #6b21a8); color: #d8b4fe; }
.mat-paper    { background: linear-gradient(135deg, #422006, #713f12); color: #fcd34d; }
.mat-plastic  { background: linear-gradient(135deg, #0c4a6e, #0369a1); color: #38bdf8; }

.material-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--clr-text-dark);
}
.material-desc {
  font-size: .8rem;
  color: var(--clr-text-light);
  line-height: 1.5;
  flex: 1;
}
.material-tag {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-size: .72rem;
  font-weight: 700;
  color: var(--clr-green-700);
  background: var(--clr-green-50);
  padding: .3rem .8rem;
  border-radius: var(--radius-full);
  border: 1px solid #bbf7d0;
}
.mat-tag-special {
  color: #b45309;
  background: #fef3c7;
  border-color: #fde68a;
}

.cta-center { text-align: center; }
.cta-text {
  font-size: 1.05rem;
  color: var(--clr-text-mid);
  margin-bottom: 1.25rem;
}
.cta-text strong { color: var(--clr-green-700); }

/* ============================================================
   SERVICES SECTION
   ============================================================ */
.services-section {
  position: relative;
  padding: 7rem 0;
  background: linear-gradient(160deg,
    var(--clr-green-900) 0%,
    var(--clr-green-800) 50%,
    var(--clr-green-900) 100%
  );
  overflow: hidden;
}
.services-bg-deco {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 0% 50%, rgba(22,163,74,.15) 0%, transparent 55%),
    radial-gradient(ellipse 50% 60% at 100% 20%, rgba(74,222,128,.08) 0%, transparent 55%);
  pointer-events: none;
}

.services-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 3.5rem;
  align-items: start;
}
.services-list-col { display: flex; flex-direction: column; gap: 1rem; }

.service-item {
  position: relative;
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,.06);
  background: rgba(255,255,255,.03);
  backdrop-filter: blur(8px);
  transition: background var(--transition-mid), border-color var(--transition-mid), transform var(--transition-mid);
  cursor: default;
}
.service-item:hover {
  background: rgba(255,255,255,.07);
  border-color: rgba(74,222,128,.25);
  transform: translateX(6px);
}
.service-number {
  font-family: var(--font-display);
  font-size: .7rem;
  font-weight: 800;
  color: rgba(74,222,128,.3);
  letter-spacing: .05em;
  flex-shrink: 0;
  padding-top: 2px;
  min-width: 28px;
}
.service-content {
  display: flex;
  align-items: flex-start;
  gap: .85rem;
  flex: 1;
}
.service-icon {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(74,222,128,.15), rgba(22,163,74,.1));
  border: 1px solid rgba(74,222,128,.2);
  color: var(--clr-green-400);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .95rem;
  flex-shrink: 0;
  transition: background var(--transition-fast);
}
.service-item:hover .service-icon { background: rgba(74,222,128,.2); }
.service-info { flex: 1; }
.service-title {
  font-family: var(--font-display);
  font-size: .95rem;
  font-weight: 700;
  color: var(--clr-white);
  margin-bottom: .25rem;
}
.service-info p { font-size: .82rem; color: rgba(255,255,255,.55); line-height: 1.5; }

.services-cta-col { position: sticky; top: calc(var(--nav-height) + 2rem); }
.services-cta-card {
  background: rgba(255,255,255,.05);
  border: 1.5px solid rgba(255,255,255,.12);
  border-radius: var(--radius-xl);
  padding: 2.5rem 2rem;
  backdrop-filter: blur(16px);
  text-align: center;
}
.services-cta-icon {
  width: 70px; height: 70px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--clr-green-700), var(--clr-green-600));
  color: var(--clr-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin: 0 auto 1.5rem;
  box-shadow: var(--shadow-green);
}
.services-cta-card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--clr-white);
  margin-bottom: .75rem;
}
.services-cta-card p {
  font-size: .9rem;
  color: rgba(255,255,255,.65);
  margin-bottom: 1.5rem;
  line-height: 1.65;
}
.services-cta-list {
  display: flex;
  flex-direction: column;
  gap: .6rem;
  margin-bottom: 2rem;
  text-align: left;
}
.services-cta-list li {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-size: .87rem;
  color: rgba(255,255,255,.75);
}
.services-cta-list li i { color: var(--clr-green-400); font-size: .85rem; }

/* ============================================================
   PHOTO SHOWCASE GALLERY
   ============================================================ */
.photo-showcase {
  padding: 5rem 0;
  background: var(--clr-white);
}
.photo-showcase-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1.25rem;
  align-items: stretch;
}
.showcase-side {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.showcase-figure {
  margin: 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-lg);
  background: var(--clr-gray-100);
}
.showcase-figure.main-figure { height: 400px; }
.showcase-figure:not(.main-figure) { flex: 1; }
.showcase-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-slow);
}
.showcase-figure:hover .showcase-img { transform: scale(1.04); }
.showcase-figure figcaption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 1rem 1.25rem .9rem;
  background: linear-gradient(to top, rgba(5,46,22,.85) 0%, transparent 100%);
  color: var(--clr-white);
  font-size: .83rem;
  font-weight: 600;
  letter-spacing: .02em;
}

/* ============================================================
   PROCESS SECTION
   ============================================================ */
.process-section {
  padding: 7rem 0;
  background: var(--clr-white);
  overflow: hidden;
}
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}
.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 1rem;
  position: relative;
}
.step-circle {
  position: relative;
  width: 80px; height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--clr-green-600), var(--clr-green-700));
  color: var(--clr-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-green);
  z-index: 1;
  transition: transform var(--transition-mid), box-shadow var(--transition-mid);
}
.step-circle:hover { transform: scale(1.1); box-shadow: 0 12px 40px rgba(22,163,74,.45); }
.step-circle .step-num {
  position: absolute;
  top: -8px; right: -8px;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--clr-white);
  color: var(--clr-green-700);
  font-size: .65rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}
.step-circle.final {
  background: linear-gradient(135deg, var(--clr-green-500), var(--clr-green-600));
  box-shadow: 0 8px 32px rgba(34,197,94,.4);
}
.step-connector {
  position: absolute;
  top: 40px;
  left: calc(50% + 40px);
  right: calc(-50% + 40px);
  height: 2px;
  background: linear-gradient(90deg, #86efac, var(--clr-green-500));
  z-index: 0;
}
.step-connector.last {
  background: linear-gradient(90deg, #86efac, var(--clr-green-500));
}
.step-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--clr-text-dark);
  margin-bottom: .5rem;
}
.step-desc { font-size: .85rem; color: var(--clr-text-light); line-height: 1.6; }

/* ============================================================
   LOCATION SECTION
   ============================================================ */
.location-section {
  padding: 7rem 0;
  background: var(--clr-gray-50);
}
.location-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 4rem;
  align-items: center;
}
.location-desc {
  font-size: 1rem;
  color: var(--clr-text-mid);
  margin-bottom: 2rem;
  line-height: 1.7;
}
.location-desc strong { color: var(--clr-green-700); }
.location-details {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}
.location-details li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}
.loc-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--clr-green-50), var(--clr-green-100));
  color: var(--clr-green-600);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.location-details div { display: flex; flex-direction: column; }
.location-details strong { font-size: .9rem; color: var(--clr-text-dark); font-weight: 700; }
.location-details span { font-size: .82rem; color: var(--clr-text-light); }

#map-container {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 3px solid var(--clr-white);
}
#map-container iframe {
  display: block;
  width: 100%;
  height: 450px;
}

/* ============================================================
   CONTACT SECTION
   ============================================================ */
.contact-section {
  position: relative;
  padding: 7rem 0;
  background: linear-gradient(160deg,
    var(--clr-green-900) 0%,
    var(--clr-green-800) 60%,
    var(--clr-green-900) 100%
  );
  overflow: hidden;
}
.contact-bg-deco {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 0% 100%, rgba(22,163,74,.15) 0%, transparent 55%),
    radial-gradient(ellipse 60% 60% at 100% 0%, rgba(74,222,128,.1) 0%, transparent 55%);
  pointer-events: none;
}
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
  position: relative;
  z-index: 1;
}
.contact-info .section-title { text-align: left; margin-bottom: .75rem; }
.contact-info .section-title span { color: var(--clr-green-400); }
.contact-info .section-subtitle { text-align: left; margin-inline: 0; }
.contact-info .section-subtitle strong { color: var(--clr-green-400); font-weight: 600; }

/* Social Links */
.social-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2.5rem;
}
.social-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: rgba(255,255,255,.06);
  border: 1.5px solid rgba(255,255,255,.1);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  transition: background var(--transition-mid), border-color var(--transition-mid), transform var(--transition-mid);
}
.social-link:hover {
  transform: translateX(8px);
  border-color: rgba(255,255,255,.25);
}
.social-link.tiktok:hover { background: rgba(0,0,0,.25); border-color: rgba(255,255,255,.3); }
.social-link.instagram:hover { background: rgba(225,48,108,.1); border-color: rgba(225,48,108,.3); }
.social-icon {
  width: 46px; height: 46px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}
.social-link.tiktok .social-icon { background: #000; color: #fff; }
.social-link.instagram .social-icon {
  background: linear-gradient(135deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
  color: #fff;
}
.social-text { display: flex; flex-direction: column; flex: 1; }
.social-platform { font-size: .75rem; font-weight: 600; color: rgba(255,255,255,.5); letter-spacing: .08em; }
.social-handle { font-size: .95rem; font-weight: 700; color: var(--clr-white); }
.social-arrow { color: rgba(255,255,255,.3); font-size: .85rem; transition: transform var(--transition-fast); }
.social-link:hover .social-arrow { transform: translateX(4px); color: rgba(255,255,255,.6); }

/* Contact Card / Form */
.contact-card-inner {
  background: var(--clr-white);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-xl);
}
.contact-card-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--clr-text-dark);
  display: flex;
  align-items: center;
  gap: .65rem;
  margin-bottom: 1.75rem;
}
.contact-card-title i { color: var(--clr-green-600); }

.contact-form { display: flex; flex-direction: column; gap: 1.1rem; }
.form-group { display: flex; flex-direction: column; gap: .4rem; }
.form-label { font-size: .82rem; font-weight: 600; color: var(--clr-text-mid); }
.form-input {
  padding: .8rem 1rem;
  border: 1.5px solid var(--clr-gray-200);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: .9rem;
  color: var(--clr-text-dark);
  background: var(--clr-gray-50);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  outline: none;
  width: 100%;
}
.form-input:focus {
  border-color: var(--clr-green-600);
  background: var(--clr-white);
  box-shadow: 0 0 0 3px rgba(22,163,74,.1);
}
.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right .75rem center;
  background-size: 20px;
  padding-right: 2.5rem;
  cursor: pointer;
}
.form-textarea { resize: vertical; min-height: 100px; }

.btn-form-submit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .6rem;
  width: 100%;
  background: linear-gradient(135deg, var(--clr-wa-dark), var(--clr-wa));
  color: var(--clr-white);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1rem;
  padding: 1rem 2rem;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-wa);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast);
  position: relative;
  overflow: hidden;
}
.btn-form-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(37,211,102,.45);
  filter: brightness(1.05);
}
.btn-loader {
  display: none;
  width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,.4);
  border-top-color: var(--clr-white);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
.form-note {
  font-size: .78rem;
  color: var(--clr-wa-dark);
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .35rem;
  font-weight: 600;
}
.form-note i { color: var(--clr-wa); font-size: 1rem; }

/* ============================================================
   FOOTER
   ============================================================ */
.main-footer {
  background: var(--clr-green-900);
  color: rgba(255,255,255,.7);
}
.footer-top {
  padding: 5rem 0 3rem;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: 1rem;
}
.footer-logo-img {
  width: 42px; height: 42px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(255,255,255,.15);
  flex-shrink: 0;
}
.footer-brand-name {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--clr-white);
}
.footer-brand-desc {
  font-size: .85rem;
  line-height: 1.65;
  color: rgba(255,255,255,.5);
  margin-bottom: 1.5rem;
  max-width: 320px;
}
.footer-social {
  display: flex;
  gap: .75rem;
}
.footer-social-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.1);
  color: rgba(255,255,255,.6);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}
.footer-social-icon:hover {
  background: var(--clr-green-700);
  color: var(--clr-white);
  transform: translateY(-3px);
}
.footer-col-title {
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--clr-green-400);
  margin-bottom: 1.25rem;
}
.footer-links-col ul {
  display: flex;
  flex-direction: column;
  gap: .65rem;
}
.footer-links-col a {
  font-size: .85rem;
  color: rgba(255,255,255,.5);
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}
.footer-links-col a:hover { color: var(--clr-green-400); padding-left: 4px; }

.footer-bottom { padding: 1.5rem 0; }
.footer-bottom-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .35rem;
  text-align: center;
}
.footer-copy {
  font-size: .8rem;
  color: rgba(255,255,255,.35);
}
.footer-copy em { font-style: normal; }
.footer-sep { color: rgba(255,255,255,.2); margin-inline: .5rem; }
.footer-seo-text {
  font-size: .7rem;
  color: rgba(255,255,255,.15);
  letter-spacing: .03em;
}

/* ============================================================
   WHATSAPP FLOATING BUTTON
   ============================================================ */
.whatsapp-float {
  position: fixed;
  bottom: 5.5rem;
  right: 2rem;
  z-index: 990;
  display: flex;
  align-items: center;
  text-decoration: none;
}
.whatsapp-float-inner {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0;
  overflow: visible;
}
.whatsapp-float .fab.fa-whatsapp {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--clr-wa-dark), var(--clr-wa));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  box-shadow: var(--shadow-wa);
  position: relative;
  z-index: 1;
  transition: transform var(--transition-mid), box-shadow var(--transition-mid);
  flex-shrink: 0;
}
.whatsapp-float:hover .fab.fa-whatsapp {
  transform: scale(1.12);
  box-shadow: 0 12px 40px rgba(37,211,102,.55);
}

/* Tooltip that slides in on hover */
.whatsapp-tooltip {
  position: absolute;
  right: calc(100% + .75rem);
  top: 50%;
  transform: translateY(-50%) translateX(8px);
  background: var(--clr-white);
  border-radius: var(--radius-md);
  padding: .5rem .9rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-mid), transform var(--transition-mid);
  border-left: 3px solid var(--clr-wa);
}
.whatsapp-float:hover .whatsapp-tooltip {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}
.whatsapp-tooltip-name {
  font-size: .75rem;
  font-weight: 700;
  color: var(--clr-text-dark);
  letter-spacing: .03em;
}
.whatsapp-tooltip-num {
  font-size: .82rem;
  font-weight: 800;
  color: var(--clr-wa-dark);
}

/* Pulse ring animation */
.whatsapp-pulse {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--clr-wa);
  opacity: 0;
  transform: translate(-50%, -50%) scale(1);
  animation: wa-pulse 2.5s ease-out infinite;
  pointer-events: none;
}
@keyframes wa-pulse {
  0%   { transform: translate(-50%, -50%) scale(1);   opacity: .5; }
  70%  { transform: translate(-50%, -50%) scale(1.7); opacity: 0; }
  100% { transform: translate(-50%, -50%) scale(1.7); opacity: 0; }
}

/* ============================================================
   SCROLL TOP BUTTON
   ============================================================ */
.scroll-top-btn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--clr-green-600), var(--clr-green-700));
  color: var(--clr-white);
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-green);
  opacity: 0;
  pointer-events: none;
  transform: translateY(16px);
  transition: opacity var(--transition-mid), transform var(--transition-mid);
  z-index: 999;
}
.scroll-top-btn.visible {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}
.scroll-top-btn:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(22,163,74,.45);
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1100px) {
  .materials-grid { grid-template-columns: repeat(4, 1fr); }
  .services-layout { grid-template-columns: 1fr; }
  .services-cta-col { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

/* ── TABLET PORTRAIT (600px–1024px) ── */
@media (max-width: 1024px) and (min-width: 769px) {
  .hero-title { font-size: clamp(2.6rem, 5.5vw, 4rem); }
  .materials-grid { grid-template-columns: repeat(3, 1fr); }
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 200px;
  }
  .videos-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-layout { grid-template-columns: 1fr; gap: 3rem; }
  .location-layout { gap: 2.5rem; }
  .services-layout { grid-template-columns: 1fr; }
  .services-cta-col { position: static; max-width: 480px; }
  .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
  .footer-grid > :last-child { grid-column: 1 / -1; }
  .process-steps { grid-template-columns: repeat(2, 1fr); gap: 2rem; row-gap: 3rem; }
  .step-connector { display: none; }
}

@media (max-width: 900px) {
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .materials-grid { grid-template-columns: repeat(3, 1fr); }
  .location-layout { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; gap: 3rem; }
  .process-steps { grid-template-columns: repeat(2, 1fr); gap: 2.5rem; row-gap: 3rem; }
  .step-connector { display: none; }
  .photo-showcase-grid { grid-template-columns: 1fr; }
  .showcase-figure.main-figure { height: 280px; }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
    /* Safe area para notch de iPhone */
    --safe-bottom: env(safe-area-inset-bottom, 0px);
    --safe-top:    env(safe-area-inset-top, 0px);
  }

  .nav-links, .btn-cta-nav { display: none; }
  .mobile-menu-btn { display: flex; }

  /* HEADER MOBILE SCROLLED: Elimina la raya/fondo blanco para que luzca estético y profesional */
  #main-header.scrolled {
    background: rgba(4,38,17,.98) !important;
    backdrop-filter: blur(20px) !important;
    -webkit-backdrop-filter: blur(20px) !important;
    box-shadow: 0 4px 16px rgba(0,0,0,.3) !important;
    border-bottom: 1px solid rgba(255,255,255,.05) !important;
  }
  #main-header.scrolled .logo-main { color: var(--clr-white) !important; }
  #main-header.scrolled .logo-sub { color: var(--clr-green-400) !important; }
  #main-header.scrolled .logo-img { border-color: rgba(255,255,255,.25) !important; }
  #main-header.scrolled .mobile-menu-btn span { background: var(--clr-white) !important; }

  /* Touch targets de al menos 44px (WCAG 2.5.5) */
  .nav-link,
  .btn-primary,
  .btn-secondary,
  .btn-cta-nav,
  .footer-social-icon,
  .scroll-top-btn {
    min-height: 44px;
  }

  /* ==========================================================
     MOBILE NAV OVERLAY (Nuevo)
  ========================================================== */
  .mobile-nav {
    display: block;
    position: fixed;
    top: var(--nav-height); /* Empieza justo debajo del header */
    left: 0;
    width: 100%;
    background: rgba(4,38,17,.99);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-top: 1px solid rgba(255,255,255,.07);
    border-bottom: 1px solid rgba(255,255,255,.1);
    box-shadow: 0 16px 40px rgba(0,0,0,.3);
    z-index: 999;
    
    /* Oculto por defecto */
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
  }
  
  .mobile-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .mobile-nav-list {
    display: flex;
    flex-direction: column;
    padding: 1rem 0;
  }

  .mobile-nav-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem var(--container-pad);
    color: #ffffff !important;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.2s ease, padding-left 0.2s ease;
  }

  .mobile-nav-link:hover, .mobile-nav-link:active {
    background: rgba(255, 255, 255, 0.05);
    padding-left: calc(var(--container-pad) + 0.5rem);
  }

  .mnav-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--clr-green-400);
    font-size: 1.2rem;
  }

  .mobile-nav-cta {
    padding: 1.5rem var(--container-pad) 2rem;
    border-top: 1px solid rgba(255,255,255,0.05);
  }

  .mobile-nav-cta-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.85rem;
    background: linear-gradient(135deg, var(--clr-green-600), var(--clr-green-700));
    color: #fff;
    font-weight: 700;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-green);
  }

  .mobile-nav-backdrop {
    display: block;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--nav-height));
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 998;
    
    /* Oculto por defecto */
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
  }

  .mobile-nav-backdrop.open {
    opacity: 1;
    pointer-events: auto;
  }

  .hero-section { padding-top: calc(var(--nav-height) + 2rem); padding-bottom: 5rem; }
  .hero-actions { flex-direction: column; gap: .75rem; }
  .hero-actions .btn-primary,
  .hero-actions .btn-secondary { width: 100%; justify-content: center; }

  .hero-photo-strip { gap: .5rem; }
  .hero-strip-img { width: 90px; height: 60px; }

  .hero-stats { flex-direction: column; gap: 1rem; padding: 1.5rem; }
  .stat-divider { width: 48px; height: 1px; margin: 0; }

  .materials-section,
  .services-section,
  .process-section,
  .location-section,
  .contact-section,
  .photo-showcase { padding: 5rem 0; }

  .materials-grid { grid-template-columns: repeat(2, 1fr); }

  .process-steps { grid-template-columns: 1fr; }
  .process-step { padding: 0; }

  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand-desc { max-width: 100%; }

  /* WA + scroll btn — respetan safe-area de notch */
  .whatsapp-float {
    bottom: calc(4.5rem + var(--safe-bottom, 0px));
    right: clamp(.75rem, 4vw, 1.5rem);
  }
  .whatsapp-float .fab.fa-whatsapp { width: 52px; height: 52px; font-size: 1.55rem; }
  .whatsapp-tooltip { display: none; }
  .scroll-top-btn {
    right: clamp(.75rem, 4vw, 1.5rem);
    bottom: calc(1rem + var(--safe-bottom, 0px));
  }

  /* Mapa más compacto en móvil */
  #map-container iframe { height: 300px; }
}

@media (max-width: 480px) {
  .materials-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-grid { grid-template-columns: 1fr; }
  .section-title { font-size: 1.75rem; }
  .hero-title { font-size: 2.4rem; }
  .contact-card-inner { padding: 1.75rem 1.25rem; }
  /* Nav links en móvil pequeño */
  .mobile-nav-link { font-size: 1rem; }
}

/* ── MÓVILES PEQUEÑOS (360px) ── */
@media (max-width: 360px) {
  :root { --container-pad: 1rem; }
  .hero-title { font-size: 2rem; }
  .hero-stats { padding: 1.25rem 1rem; }
  .stat-number { font-size: 1.8rem; }
  .materials-grid { grid-template-columns: 1fr 1fr; gap: .75rem; }
  .material-card-inner { padding: 1.25rem .9rem; }
  .btn-primary, .btn-secondary { font-size: .9rem; padding: .8rem 1.5rem; }
  .btn-form-submit { font-size: .9rem; }
  .contact-card-inner { padding: 1.25rem 1rem; }
}

/* ── PRINT — para impresión y crawlers ── */
@media print {
  #main-header, .whatsapp-float, .scroll-top-btn,
  .mobile-menu-btn, .hero-scroll-indicator { display: none !important; }
  body { background: #fff; color: #000; font-size: 12pt; }
  .hero-section { min-height: auto; padding: 2rem; background: #f0fdf4; }
  .hero-title, .section-title { color: #052e16; -webkit-text-fill-color: #052e16; }
  a[href]::after { content: " (" attr(href) ")"; font-size: .75em; color: #555; }
  .gallery-grid, .videos-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================================
   AOS CUSTOM OVERRIDES
   ============================================================ */
[data-aos] { pointer-events: none; }
[data-aos].aos-animate { pointer-events: all; }

/* ============================================================
   PHOTO GALLERY SECTION
   ============================================================ */
.gallery-section {
  padding: 7rem 0;
  background: var(--clr-gray-50);
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 240px;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.gallery-item {
  position: relative;
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  background: var(--clr-gray-200);
  box-shadow: var(--shadow-md);
  transition: box-shadow var(--transition-mid), transform var(--transition-mid);
}
.gallery-item:hover {
  box-shadow: var(--shadow-xl);
  transform: scale(1.02);
  z-index: 2;
}
.gallery-item--large {
  grid-column: span 2;
}
.gallery-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-slow);
}
.gallery-item:hover .gallery-img { transform: scale(1.08); }

.gallery-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: .85rem 1rem .75rem;
  background: linear-gradient(to top, rgba(5,46,22,.85) 0%, transparent 100%);
  color: var(--clr-white);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .03em;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity var(--transition-mid), transform var(--transition-mid);
}
.gallery-item:hover .gallery-caption {
  opacity: 1;
  transform: translateY(0);
}

/* ── LIGHTBOX ── */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.92);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  backdrop-filter: blur(6px);
  animation: lb-in .25s ease;
}
.lightbox[hidden] { display: none !important; }
@keyframes lb-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}
.lightbox-img-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 90vw;
  max-height: 90vh;
}
.lightbox-img {
  max-width: 100%;
  max-height: 80vh;
  border-radius: var(--radius-lg);
  object-fit: contain;
  box-shadow: 0 32px 80px rgba(0,0,0,.6);
}
.lightbox-caption {
  color: rgba(255,255,255,.65);
  font-size: .85rem;
  font-weight: 600;
  margin-top: .75rem;
  text-align: center;
}
.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  background: rgba(255,255,255,.1);
  border: 1.5px solid rgba(255,255,255,.2);
  color: var(--clr-white);
  border-radius: 50%;
  width: 48px; height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
  backdrop-filter: blur(8px);
}
.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
  background: var(--clr-green-700);
  transform: scale(1.1);
}
.lightbox-close { top: 1.5rem; right: 1.5rem; font-size: 1.75rem; }
.lightbox-prev  { left: 1.5rem; top: 50%; transform: translateY(-50%); }
.lightbox-next  { right: 1.5rem; top: 50%; transform: translateY(-50%); }
.lightbox-prev:hover { transform: translateY(-50%) scale(1.1); }
.lightbox-next:hover { transform: translateY(-50%) scale(1.1); }

/* ============================================================
   VIDEOS SECTION
   ============================================================ */
.videos-section {
  position: relative;
  padding: 7rem 0;
  background: linear-gradient(160deg,
    var(--clr-green-900) 0%,
    #0a2d18 50%,
    var(--clr-green-900) 100%
  );
  overflow: hidden;
}
.videos-bg-deco {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 100% 50%, rgba(22,163,74,.12) 0%, transparent 55%),
    radial-gradient(ellipse 50% 60% at 0% 20%,  rgba(74,222,128,.07) 0%, transparent 55%);
  pointer-events: none;
}
.videos-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}
.video-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: rgba(255,255,255,.04);
  border: 1.5px solid rgba(255,255,255,.08);
  transition: transform var(--transition-mid), box-shadow var(--transition-mid), border-color var(--transition-mid);
}
.video-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,.4);
  border-color: rgba(74,222,128,.25);
}
.video-wrapper {
  position: relative;
  width: 100%;
  /* 9:16 TikTok ratio */
  padding-bottom: 177.8%;
  background: #000;
  overflow: hidden;
}
.video-player {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.video-info {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1rem;
  font-size: .8rem;
  font-weight: 600;
  color: rgba(255,255,255,.6);
  border-top: 1px solid rgba(255,255,255,.06);
}
.video-info i { color: var(--clr-white); font-size: .9rem; }

/* ── GALLERY RESPONSIVE ── */
@media (max-width: 1100px) {
  .videos-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
  .gallery-item--large { grid-column: span 2; }
}
@media (max-width: 768px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 180px;
  }
  .gallery-item--large { grid-column: span 2; }
  .videos-grid { grid-template-columns: repeat(2, 1fr); }
  .lightbox-prev { left: .5rem; }
  .lightbox-next { right: .5rem; }
}
@media (max-width: 480px) {
  .gallery-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 220px;
  }
  .gallery-item--large { grid-column: span 1; }
  .videos-grid { grid-template-columns: 1fr 1fr; gap: .75rem; }
}