/* ═══════════════════════════════════════════════════════
   BERRY GRAPHIC — VFINAL (base v2 + ajustes v3)
   Cliente aprobó v2 · Footer negro, logo animado y
   sección servicios con estilo v3
   ═══════════════════════════════════════════════════════ */

:root {
  --primary:        #D70D34;
  --primary-hover:  #BE1818;
  --primary-light:  rgba(215, 13, 52, 0.08);
  --primary-glow:   rgba(215, 13, 52, 0.18);
  --neutral:        #585857;
  --neutral-light:  #8a8a89;
  --white:          #FFFFFF;
  --off-white:      #FFFFFF;
  --dark:           #1a1010;
  --dark-bg:        #0A0A0A;
  --line-color:     rgba(0, 0, 0, 0.06);
  --font-sans:      'Source Sans 3', sans-serif;
  --font-serif:     'Playfair Display', serif;
  --max-w:          1120px;
  --radius:         3px;
  --radius-card:    16px;
  --transition:     250ms ease;
  --transition-slow:600ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* ─── Reset ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--neutral);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  cursor: none; /* Custom cursor */
}
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; cursor: none; }
button, select, input, textarea { font-family: var(--font-sans); cursor: none; }

/* ─── Utilities ─── */
@media (hover: none), (pointer: coarse) {
  body, a, button, select, input, textarea { cursor: auto; }
  .cursor-dot, .cursor-outline { display: none !important; }
}

/* ─── Custom Cursor (v3) ─── */
.cursor-dot,
.cursor-outline {
  position: fixed;
  top: 0; left: 0;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  z-index: 9999;
  pointer-events: none;
}
.cursor-dot {
  width: 6px;
  height: 6px;
  background-color: var(--primary);
}
.cursor-outline {
  width: 40px;
  height: 40px;
  border: 1px solid rgba(0, 0, 0, 0.2);
  transition: width 0.3s, height 0.3s, background-color 0.3s, border-color 0.3s;
}
.cursor-outline.hover {
  width: 60px;
  height: 60px;
  background-color: rgba(215, 13, 52, 0.1);
  border-color: transparent;
}
.serif {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
}
.line-mask { overflow: hidden; display: block; }
.line { display: block; }

/* ─── Container ─── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ═══════════════════════════════════
   NAVBAR
═══════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 20px 0;
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
}
.navbar.scrolled {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(0,0,0,0.08);
  padding: 14px 0;
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-logo-img {
  width: 36px;
  height: 36px;
  object-fit: contain;
}
.nav-logo-text {
  font-weight: 600;
  font-size: 1rem;
  color: var(--neutral);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.nav-logo-text em {
  font-style: normal;
  color: var(--primary);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--neutral);
  transition: color var(--transition);
  letter-spacing: 0.03em;
}
.nav-link:hover { color: var(--primary); }
.nav-cta {
  background: var(--primary);
  color: var(--white);
  padding: 10px 22px;
  border-radius: var(--radius);
  transition: background var(--transition), transform var(--transition);
}
.nav-cta:hover {
  background: var(--primary-hover);
  color: var(--white);
  transform: translateY(-1px);
}

/* Hamburger toggle (hidden on desktop) */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  background: transparent;
  border: none;
  padding: 10px;
  cursor: pointer;
  z-index: 1001;
}
.nav-toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.navbar.scrolled .nav-toggle-bar { background: var(--dark); }
.nav-toggle.active .nav-toggle-bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle.active .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle.active .nav-toggle-bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* Mobile menu overlay (hidden by default, shown <768px) */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--white); /* sólido, sin transparencia */
  z-index: 1000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}
.mobile-menu.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}
body.menu-open { overflow: hidden; }
body.menu-open .navbar { z-index: 1002; }
.mobile-menu-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
  padding: 24px;
  text-align: center;
}
.mobile-menu-link {
  font-size: 2rem;
  font-weight: 600;
  color: var(--dark);
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.35s ease, transform 0.35s ease, color 0.3s;
  transition-delay: 0s;
}
.mobile-menu.open .mobile-menu-link {
  opacity: 1;
  transform: translateY(0);
}
.mobile-menu.open .mobile-menu-link:nth-child(1) { transition-delay: 0.05s; }
.mobile-menu.open .mobile-menu-link:nth-child(2) { transition-delay: 0.12s; }
.mobile-menu.open .mobile-menu-link:nth-child(3) { transition-delay: 0.19s; }
.mobile-menu-link:not(.mobile-menu-cta):hover,
.mobile-menu-link:not(.mobile-menu-cta):active {
  border-bottom-color: var(--primary);
  color: var(--primary);
}
.mobile-menu-link:not(.mobile-menu-cta) {
  font-weight: 500;
  color: var(--dark);
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
}
.mobile-menu-cta {
  background: var(--primary);
  color: var(--white);
  padding: 14px 36px;
  border-radius: var(--radius);
  font-size: 1.2rem;
}
.mobile-menu-cta:hover { background: var(--primary-hover); color: var(--white); }
.mobile-menu-social {
  display: flex;
  gap: 24px;
  margin-top: 20px;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--neutral-light);
}
.mobile-menu-social a:hover { color: var(--primary); }

/* ═══════════════════════════════════
   HERO
═══════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 120px 24px 80px;
}

/* Background effects */
.hero-bg {
  position: absolute;
  inset: 0;
  background: var(--off-white);
  overflow: hidden;
}
.hero-grain {
  position: absolute;
  inset: -50%;
  width: 200%;
  height: 200%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.05'/%3E%3C/svg%3E");
  opacity: 0.4;
  pointer-events: none;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}
.orb-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(215,13,52,0.12) 0%, transparent 70%);
  top: -200px; right: -100px;
}
.orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(215,13,52,0.07) 0%, transparent 70%);
  bottom: -100px; left: -50px;
}
.orb-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(88,88,87,0.06) 0%, transparent 70%);
  top: 40%; left: 30%;
  animation: orb-drift 12s ease-in-out infinite alternate;
}
@keyframes orb-drift {
  from { transform: translate(0,0); }
  to   { transform: translate(40px, -30px); }
}

/* Hero Content */
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--white);
  border: 1px solid rgba(215,13,52,0.2);
  color: var(--neutral);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 8px 18px;
  border-radius: 100px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.badge-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--primary);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(215,13,52,0.4); }
  50%       { box-shadow: 0 0 0 5px rgba(215,13,52,0); }
}

/* Logo con movimiento (v3): magnetic + entrada elástica */
.hero-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.hero-logo-img {
  width: clamp(72px, 12vw, 110px);
  height: auto;
  object-fit: contain;
}
.hero-logo-text {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1;
}
.logo-berry {
  font-weight: 300;
  color: var(--primary);
  font-size: clamp(4rem, 10vw, 9rem);
  letter-spacing: -0.02em;
}
.logo-graphics {
  font-weight: 600;
  color: var(--neutral);
  text-transform: uppercase;
  letter-spacing: 0.38em;
  font-size: clamp(0.75rem, 1.8vw, 1.2rem);
  transform: translateX(0.19em);
}

.hero-claim {
  font-size: clamp(1.4rem, 3.5vw, 2.2rem);
  font-weight: 300;
  color: var(--dark);
  line-height: 1.25;
}
.hero-claim strong {
  font-weight: 700;
  color: var(--primary);
}

.hero-sub {
  font-size: clamp(0.95rem, 1.5vw, 1.1rem);
  font-weight: 300;
  color: var(--neutral);
  max-width: 50ch;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

/* Stats */
.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 24px 40px;
  background: var(--white);
  border-radius: 12px;
  box-shadow: 0 4px 32px rgba(0,0,0,0.08);
  border: 1px solid rgba(0,0,0,0.06);
}
.stat {
  text-align: center;
}
.stat-num {
  display: block;
  font-weight: 700;
  font-size: 2.2rem;
  color: var(--primary);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.stat-label {
  font-size: 0.78rem;
  font-weight: 400;
  color: var(--neutral-light);
  letter-spacing: 0.02em;
  margin-top: 4px;
  display: block;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(88,88,87,0.15);
}

/* Scroll indicator */
.hero-scroll-indicator {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.hero-scroll-indicator span {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--neutral-light);
}
.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--primary), transparent);
  animation: scroll-pulse 2s ease-in-out infinite;
}
@keyframes scroll-pulse {
  0%, 100% { opacity: 1; transform: scaleY(1); }
  50%       { opacity: 0.3; transform: scaleY(0.6); }
}

/* ═══════════════════════════════════
   BUTTONS
═══════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 30px;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
  cursor: pointer;
  border: none;
  letter-spacing: 0.02em;
}
.btn-primary {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(215,13,52,0.3);
}
.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(215,13,52,0.4);
  color: var(--white);
}
.btn-ghost {
  background: transparent;
  color: var(--neutral);
  border: 1.5px solid rgba(88,88,87,0.3);
}
.btn-ghost:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}
.btn-large {
  font-size: 1.05rem;
  padding: 16px 38px;
}

/* ═══════════════════════════════════
   SECTIONS — common
═══════════════════════════════════ */
.section {
  padding: clamp(80px, 10vw, 140px) 0;
}
.section-header {
  text-align: center;
  margin-bottom: 72px;
}
.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 300;
  color: var(--dark);
  line-height: 1.2;
}
.section-title em {
  font-style: italic;
  color: var(--primary);
}
.section-title .serif {
  font-style: italic;
  color: var(--primary);
}

/* ═══════════════════════════════════
   SERVICES (estilo v3: icono circular, serif, sin tags)
═══════════════════════════════════ */
.services {
  background: var(--off-white);
  position: relative;
  overflow: hidden;
}
.watermark-bg {
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  font-size: min(25vw, 400px);
  font-weight: 700;
  color: rgba(0,0,0,0.02);
  line-height: 1;
  pointer-events: none;
  white-space: nowrap;
  user-select: none;
  z-index: 0;
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}
.service-card {
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: var(--radius-card);
  padding: 36px 28px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.1);
  border-color: rgba(215,13,52,0.2);
}
.service-icon {
  width: 56px; height: 56px;
  background: var(--primary-light);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}
.service-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 12px;
}
.service-desc {
  font-size: 0.92rem;
  font-weight: 300;
  line-height: 1.7;
  color: var(--neutral);
  margin-bottom: 20px;
}
.service-tag {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
  opacity: 0.8;
}

/* ═══════════════════════════════════
   PROCESS
═══════════════════════════════════ */
.process { background: var(--white); }
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0;
  position: relative;
}
.process-step {
  display: flex;
  gap: 20px;
  padding: 28px 24px;
  border-left: 1px solid rgba(0,0,0,0.07);
}
.process-step:first-child { border-left: none; }
.step-num {
  font-size: 2.5rem;
  font-weight: 300;
  color: var(--primary);
  opacity: 0.3;
  line-height: 1;
  flex-shrink: 0;
  padding-top: 2px;
}
.step-body h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 8px;
}
.step-body p {
  font-size: 0.88rem;
  font-weight: 300;
  color: var(--neutral);
  line-height: 1.65;
}

/* ═══════════════════════════════════
   TESTIMONIALS
═══════════════════════════════════ */
.testimonials { background: var(--off-white); }
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}
.testimonial-card {
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: var(--radius-card);
  padding: 36px 28px;
  position: relative;
}
.testimonial-featured {
  background: var(--primary);
  border-color: var(--primary);
  transform: scale(1.02);
}
.testimonial-featured p,
.testimonial-featured .author-avatar,
.testimonial-featured strong,
.testimonial-featured span,
.testimonial-featured .quote-mark {
  color: var(--white) !important;
}
.testimonial-featured .author-avatar {
  background: rgba(255,255,255,0.25) !important;
}
.quote-mark {
  font-size: 3rem;
  line-height: 0.8;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
  display: block;
}
.testimonial-card p {
  font-size: 0.92rem;
  font-weight: 300;
  line-height: 1.7;
  color: var(--neutral);
  margin-bottom: 24px;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.author-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary);
  flex-shrink: 0;
}
.testimonial-author strong {
  display: block;
  font-size: 0.9rem;
  color: var(--dark);
}
.testimonial-author span {
  font-size: 0.78rem;
  color: var(--neutral-light);
}

/* ═══════════════════════════════════
   CTA BAND
═══════════════════════════════════ */
.cta-band {
  background: var(--primary);
  padding: 72px 24px;
  overflow: hidden;
  position: relative;
}
.cta-band::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  pointer-events: none;
}
.cta-band::after {
  content: '';
  position: absolute;
  bottom: -80px; left: 10%;
  width: 300px; height: 300px;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
  pointer-events: none;
}
.cta-band-inner {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-band-text h2 {
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  font-weight: 300;
  color: var(--white);
  line-height: 1.25;
  margin-bottom: 8px;
}
.cta-band-text p {
  color: rgba(255,255,255,0.7);
  font-size: 0.95rem;
  font-weight: 300;
}
.cta-band .btn-primary {
  background: var(--white);
  color: var(--primary);
  box-shadow: 0 4px 24px rgba(0,0,0,0.15);
}
.cta-band .btn-primary:hover {
  background: var(--off-white);
  color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}

/* ═══════════════════════════════════
   CONTACT
═══════════════════════════════════ */
.contact { background: var(--white); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 64px;
}
.contact-heading {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 300;
  color: var(--dark);
  line-height: 1.25;
  margin: 12px 0 16px;
}
.contact-sub {
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--neutral);
  max-width: 42ch;
  line-height: 1.7;
  margin-bottom: 36px;
}
.contact-details {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 40px;
}
.contact-detail-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--primary);
  transition: color var(--transition), gap var(--transition);
}
.contact-detail-item:hover { color: var(--primary-hover); gap: 16px; }
.detail-icon {
  width: 38px; height: 38px;
  background: var(--primary-light);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
  transition: background var(--transition);
}
.contact-detail-item:hover .detail-icon { background: rgba(215,13,52,0.14); }

.trust-badges {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.trust-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.83rem;
  font-weight: 400;
  color: var(--neutral-light);
}

/* ─── Form ─── */
.contact-form-wrapper {
  background: var(--off-white);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: var(--radius-card);
  padding: 40px;
}
form {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}
.form-group {
  position: relative;
}
.form-group-full { grid-column: 1 / -1; }

input, textarea, select {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1.5px solid rgba(88,88,87,0.3);
  padding: 12px 0;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--dark);
  outline: none;
  transition: border-color var(--transition);
  border-radius: 0;
  appearance: none;
  -webkit-appearance: none;
}
select { cursor: pointer; color: var(--neutral-light); }
select option { color: var(--dark); }

input:focus, textarea:focus, select:focus {
  border-bottom-color: var(--primary);
}

textarea { resize: vertical; min-height: 120px; }

/* Floating labels */
label {
  position: absolute;
  top: 12px; left: 0;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--neutral-light);
  pointer-events: none;
  transform-origin: left top;
  transition: transform 0.25s ease, color 0.25s ease;
}
input:focus ~ label,
input:not(:placeholder-shown) ~ label,
textarea:focus ~ label,
textarea:not(:placeholder-shown) ~ label {
  transform: translateY(-1.4rem) scale(0.82);
  color: var(--primary);
}

.form-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 8px;
}
.form-privacy {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--neutral-light);
}
.btn-submit {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--primary);
  color: var(--white);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 28px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(215,13,52,0.3);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}
.btn-submit:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(215,13,52,0.4);
}
.btn-icon { font-size: 1.1rem; transition: transform var(--transition); }
.btn-submit:hover .btn-icon { transform: translateX(4px); }

/* invalid field state */
input.invalid, textarea.invalid {
  border-bottom-color: var(--primary) !important;
  animation: shake 0.35s ease;
}
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25%       { transform: translateX(-6px); }
  75%       { transform: translateX( 6px); }
}

/* Success message */
.form-success {
  display: none;
  align-items: center;
  gap: 10px;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 16px;
  background: var(--primary-light);
  border-radius: 8px;
  border: 1px solid rgba(215,13,52,0.15);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.form-success.show {
  display: flex;
  opacity: 1;
  transform: translateY(0);
}

/* ═══════════════════════════════════
   FOOTER (oscuro, estilo v3)
═══════════════════════════════════ */
.footer {
  background: var(--dark-bg);
  color: var(--white);
  padding: 80px 24px 40px;
  position: relative;
  z-index: 5;
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  padding-bottom: 40px;
  margin-bottom: 40px;
  flex-wrap: wrap;
  gap: 30px;
}
.footer-logo {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}
.footer-logo .serif { color: var(--primary); }
.footer-social {
  display: flex;
  gap: 30px;
}
.footer-social a {
  font-size: 0.85rem;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  position: relative;
}
.footer-social a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 100%; height: 1px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s;
}
.footer-social a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}
.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-copy {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-alfa-link {
  color: var(--white);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.footer-alfa-link:hover { color: var(--primary); }
.footer-alfa-icon {
  width: 16px; height: 16px;
  object-fit: contain;
}

/* ═══════════════════════════════════
   MOBILE / TABLET BREAKPOINTS
═══════════════════════════════════ */
@media (min-width: 768px) {
  .form-row { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr 1.5fr; align-items: start; }
  .trust-badges { flex-direction: row; flex-wrap: wrap; gap: 16px; }
}

@media (min-width: 1024px) {
  .project-nav-open .nav-logo-text { font-size: 1rem; }
  .hero-stats { gap: 48px; }
}

@media (min-width: 1440px) {
  :root { --max-w: 1200px; }
}

/* ─── Mobile: hamburger menu ─── */
@media (max-width: 767px) {
  .nav-toggle { display: flex; }
  .nav-links { display: none; }
  .navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.08);
    padding: 10px 0;
  }
}

/* ─── Mobile: sections ─── */
@media (max-width: 767px) {
  .container { padding: 0 20px; }
  .hero {
    min-height: 100svh;
    padding: 100px 20px 60px;
  }
  .hero-content { gap: 22px; }
  .hero-actions .btn { width: 100%; justify-content: center; padding: 16px 20px; }
  .hero-stats {
    width: 100%;
    padding: 18px 12px;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
  }
  .hero-stats .stat { flex: 1 1 calc(33.33% - 24px); min-width: 90px; }
  .stat-num { font-size: 2rem; }
  .hero-scroll-indicator { display: none; }

  .section { padding: 72px 0; }
  .section-header { margin-bottom: 48px; }
  .section-title { font-size: clamp(1.6rem, 6vw, 2.2rem); }

  .services-grid { grid-template-columns: 1fr; gap: 20px; }
  .service-card { padding: 28px 22px; }

  .process-steps { grid-template-columns: 1fr; grid-auto-flow: row; }
  .process-step {
    border-left: none;
    border-top: 1px solid rgba(0, 0, 0, 0.07);
    padding: 24px 8px;
  }
  .process-step:first-child { border-top: none; }

  .testimonials-grid { grid-template-columns: 1fr; padding: 0 20px; }
  .testimonial-featured { transform: none; }

  .cta-band { padding: 56px 20px; }
  .cta-band-inner { flex-direction: column; text-align: center; }
  .cta-band .btn { width: 100%; justify-content: center; }

  .contact-grid { gap: 40px; }
  .contact-form-wrapper { padding: 28px 20px; }
  .form-row { grid-template-columns: 1fr; gap: 24px; }
  form { gap: 24px; }
  .form-footer { flex-direction: column; align-items: stretch; }
  .form-privacy { justify-content: center; }
  .btn-submit { width: 100%; justify-content: center; }

  /* Footer */
  .footer { padding: 56px 20px 32px; }
  .footer-top {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 24px;
  }
  .footer-social { gap: 24px; }
  .footer-copy {
    flex-direction: column;
    gap: 8px;
    line-height: 1.7;
  }
}

@media (max-width: 420px) {
  .logo-berry { font-size: clamp(3.2rem, 16vw, 5rem); }
  .logo-graphics { letter-spacing: 0.28em; }
  .hero-stats .stat { flex: 1 1 100%; }
  .stat-divider { display: none; }
}

/* ─── Reduced motion ─── */
@media (prefers-reduced-motion: reduce) {
  *, ::before, ::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .orb-3 { animation: none; }
  .scroll-line { animation: none; }
  .badge-dot { animation: none; }
}