/* ================================================================
   FORJADEV.CL — Estilos principales
   Paleta: #1A1917 | #D85A30 | #FFFFFF | #888780
================================================================ */

/* ================================================================
   VARIABLES & RESET
================================================================ */
:root {
  --bg:             #1A1917;
  --bg-alt:         #141210;
  --bg-card:        #211F1C;
  --bg-card-hover:  #2A2825;
  --accent:         #D85A30;
  --accent-hover:   #E86840;
  --accent-dim:     rgba(216, 90, 48, 0.12);
  --accent-border:  rgba(216, 90, 48, 0.35);
  --white:          #FFFFFF;
  --gray:           #888780;
  --gray-light:     #B0ADA8;
  --border:         rgba(255, 255, 255, 0.08);
  --border-hover:   rgba(255, 255, 255, 0.15);

  --font-sans: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  --container: 1160px;
  --radius:    10px;
  --radius-lg: 16px;
  --nav-h:     72px;

  --ease:      cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --t-fast:    0.18s;
  --t-med:     0.3s;
  --t-slow:    0.5s;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg);
  color: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

.mono   { font-family: var(--font-mono); }
.accent { color: var(--accent); }

.section-tag {
  display: inline-block;
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.04em;
  margin-bottom: 14px;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-header h2 { margin-bottom: 16px; }

.section-sub {
  color: var(--gray-light);
  max-width: 520px;
  margin: 0 auto;
  font-size: 1.0rem;
}

/* ================================================================
   TIPOGRAFÍA
================================================================ */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.6rem); }
h3 { font-size: 1.15rem; font-weight: 600; }

p {
  color: var(--gray-light);
  font-size: 1rem;
  line-height: 1.72;
}

strong { color: var(--accent); font-weight: 600; }

/* ================================================================
   BOTONES
================================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.94rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--t-fast) var(--ease),
              box-shadow var(--t-fast) var(--ease),
              transform var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease),
              color var(--t-fast) var(--ease);
  border: 1px solid transparent;
  white-space: nowrap;
  letter-spacing: -0.01em;
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(216, 90, 48, 0.4);
}
.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  background: transparent;
  color: var(--gray-light);
  border-color: var(--border);
}
.btn-ghost:hover {
  border-color: var(--accent-border);
  color: var(--white);
  background: var(--accent-dim);
}

.btn-sm  { padding: 9px 18px; font-size: 0.86rem; }
.btn-lg  { padding: 16px 36px; font-size: 1rem; }

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

/* ================================================================
   BADGE
================================================================ */
.badge {
  display: inline-block;
  padding: 5px 13px;
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  border-radius: 6px;
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.02em;
  margin-bottom: 22px;
}

.accent-badge { color: var(--accent); }

/* ================================================================
   NAVBAR
================================================================ */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  transition: background var(--t-med), box-shadow var(--t-med);
}

#navbar.scrolled {
  background: rgba(26, 25, 23, 0.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.nav-logo img {
  width: 34px;
  height: 34px;
  object-fit: contain;
}
.nav-logo-text {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-links a:not(.btn) {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-light);
  transition: color var(--t-fast);
}
.nav-links a:not(.btn):hover { color: var(--white); }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform var(--t-fast), opacity var(--t-fast);
}

/* ================================================================
   HERO
================================================================ */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--nav-h) + 56px) 0 96px;
  overflow: hidden;
}

/* Grid animado de fondo */
.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(216, 90, 48, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(216, 90, 48, 0.055) 1px, transparent 1px);
  background-size: 48px 48px;
  animation: gridDrift 28s linear infinite;
  pointer-events: none;
}
.hero-grid-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 75% 65% at 50% 50%, transparent 35%, var(--bg) 100%);
}
@keyframes gridDrift {
  from { background-position: 0 0; }
  to   { background-position: 48px 48px; }
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content h1    { margin-bottom: 18px; }
.hero-tagline       { font-size: 0.95rem; color: var(--accent); margin-bottom: 22px; font-weight: 500; }
.hero-body          { font-size: 1.05rem; margin-bottom: 40px; max-width: 480px; }

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* Logo hero */
.hero-logo {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}
.hero-logo-glow {
  position: absolute;
  width: 65%;
  height: 65%;
  background: radial-gradient(circle, rgba(216, 90, 48, 0.28) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(48px);
  animation: pulseGlow 4.5s ease-in-out infinite;
}
@keyframes pulseGlow {
  0%, 100% { transform: scale(1);   opacity: 0.65; }
  50%       { transform: scale(1.2); opacity: 1; }
}
.hero-logo img {
  width: 100%;
  max-width: 380px;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 0 48px rgba(216, 90, 48, 0.28));
}

/* Scroll hint */
.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0.45;
  z-index: 1;
  pointer-events: none;
}
.hero-scroll-hint span {
  font-size: 0.68rem;
  color: var(--gray);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.scroll-line {
  width: 1px;
  height: 38px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollPulse 2.2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50%       { opacity: 1;   transform: scaleY(1.1); }
}

/* ================================================================
   PROBLEMA
================================================================ */
#problema {
  padding: 96px 0;
  background: var(--bg);
}

.problema-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

/* Bloque de código */
.code-block {
  background: #0D0C0A;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.4);
}
.code-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 18px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border);
}
.code-dots  { display: flex; gap: 6px; }
.dot        { width: 12px; height: 12px; border-radius: 50%; }
.dot-red    { background: #FF5F57; }
.dot-yellow { background: #FEBC2E; }
.dot-green  { background: #28C840; }
.code-filename { font-size: 0.78rem; color: var(--gray); }

.code-body {
  padding: 24px;
  overflow-x: auto;
}
.code-body code {
  font-family: var(--font-mono);
  font-size: 0.83rem;
  line-height: 1.9;
  display: block;
  white-space: pre;
}

/* Sintaxis colores */
.c-comment  { color: #5A5856; }
.c-keyword  { color: #C4A9FF; }
.c-string   { color: #8EC98E; }
.c-op       { color: var(--gray); }

/* Texto problema */
.problema-text h2     { margin-bottom: 18px; }
.problema-text p      { margin-bottom: 28px; }

.check-list li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 12px;
  color: var(--gray-light);
  font-size: 0.95rem;
}
.check-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* ================================================================
   SERVICIOS
================================================================ */
#servicios {
  padding: 96px 0;
  background: var(--bg-alt);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  overflow: hidden;
  transition:
    background var(--t-fast),
    border-color var(--t-fast),
    transform var(--t-med) var(--ease),
    box-shadow var(--t-med) var(--ease);
}
.service-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--accent) 50%, transparent 100%);
  opacity: 0;
  transition: opacity var(--t-fast);
}
.service-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-border);
  transform: translateY(-5px);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.35);
}
.service-card:hover::after { opacity: 1; }

.service-icon {
  width: 44px;
  height: 44px;
  margin-bottom: 20px;
  color: var(--accent);
}
.service-icon svg { width: 100%; height: 100%; }

.service-card h3   { margin-bottom: 10px; }
.service-card p    { font-size: 0.9rem; margin-bottom: 16px; }
.service-tag       { font-size: 0.72rem; color: var(--gray); letter-spacing: 0.02em; }

/* Card CTA especial */
.service-card-cta {
  border-color: var(--accent-border);
  background: linear-gradient(135deg, rgba(216, 90, 48, 0.08) 0%, var(--bg-card) 60%);
}
.service-card-cta h3 { color: var(--accent); }

/* ================================================================
   PROCESO
================================================================ */
#proceso {
  padding: 96px 0;
  background: var(--bg);
}

.steps {
  display: grid;
  grid-template-columns: 1fr 80px 1fr 80px 1fr;
  align-items: start;
  gap: 0;
}

.step {
  text-align: center;
  padding: 0 8px;
}

.step-number {
  display: block;
  font-size: 3.2rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.35;
  margin-bottom: 20px;
  letter-spacing: -0.04em;
  transition: opacity var(--t-med);
}
.step:hover .step-number { opacity: 0.7; }

.step-body h3 { margin-bottom: 12px; font-size: 1.1rem; }
.step-body p  { font-size: 0.9rem; }

.step-connector {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 54px;
}
.step-connector::before {
  content: '';
  display: block;
  width: 48px;
  height: 1px;
  background: linear-gradient(90deg, var(--accent-border), rgba(216, 90, 48, 0.15));
}

/* ================================================================
   MOCKUP CTA
================================================================ */
#mockup-cta {
  padding: 80px 0;
  background: var(--bg-alt);
}

.mockup-card {
  border-radius: calc(var(--radius-lg) + 2px);
  padding: 2px;
  background: linear-gradient(135deg, var(--accent-border), rgba(216, 90, 48, 0.1) 60%, transparent);
}
.mockup-card-inner {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 56px 64px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 64px;
  align-items: center;
}

.mockup-text .badge  { margin-bottom: 20px; }
.mockup-text h2      { margin-bottom: 18px; }
.mockup-text p       { margin-bottom: 32px; max-width: 460px; }

.mockup-features {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 260px;
}

.mockup-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--gray-light);
}

.feature-icon {
  width: 30px;
  height: 30px;
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
  font-family: var(--font-sans);
}
.feature-zero {
  font-size: 0.8rem;
  font-family: var(--font-mono);
}

/* ================================================================
   PRECIOS
================================================================ */
#precios {
  padding: 96px 0;
  background: var(--bg);
}

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 780px;
  margin: 0 auto 28px;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.pricing-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
}

.pricing-card-accent {
  border-color: var(--accent-border);
  background: linear-gradient(145deg, rgba(216, 90, 48, 0.07) 0%, var(--bg-card) 55%);
}
.pricing-card-accent:hover { border-color: rgba(216, 90, 48, 0.55); }

.pricing-type  { font-size: 0.78rem; color: var(--accent); margin-bottom: 20px; }
.pricing-amount {
  font-size: 1rem;
  color: var(--gray-light);
  margin-bottom: 6px;
  line-height: 1.3;
}
.pricing-amount span { font-size: 2.4rem; font-weight: 700; color: var(--white); }
.pricing-amount em   { font-style: normal; font-size: 0.9rem; color: var(--gray); }

.pricing-label {
  font-size: 0.84rem;
  color: var(--gray);
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}

.pricing-list li {
  padding: 9px 0 9px 20px;
  font-size: 0.9rem;
  color: var(--gray-light);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  position: relative;
}
.pricing-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.78rem;
}

.pricing-note {
  text-align: center;
  font-size: 0.8rem;
  color: var(--gray);
  opacity: 0.8;
}

/* ================================================================
   FORMULARIO DE COTIZACIÓN
================================================================ */
#cotizar {
  padding: 96px 0;
  background: var(--bg-alt);
}

.cotizar-inner {
  max-width: 720px;
  margin: 0 auto;
}

.cotizar-header {
  text-align: center;
  margin-bottom: 48px;
}
.cotizar-header h2 { margin-bottom: 12px; }

.quote-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--gray-light);
}

.req  { color: var(--accent); }
.opt  { color: var(--gray); font-weight: 400; font-size: 0.78rem; }

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 13px 16px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--white);
  width: 100%;
  transition: border-color var(--t-fast), box-shadow var(--t-fast), background var(--t-fast);
  -webkit-appearance: none;
  appearance: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--gray);
  opacity: 0.7;
}

/* Select custom arrow */
.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='7' viewBox='0 0 12 7'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23888780' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 15px center;
  padding-right: 40px;
  cursor: pointer;
}
.form-group select option { background: #2A2825; color: var(--white); }

/* Focus states */
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: #26231F;
  box-shadow: 0 0 0 3px rgba(216, 90, 48, 0.18);
}

/* User-invalid (modern browsers) */
.form-group input:user-invalid,
.form-group select:user-invalid,
.form-group textarea:user-invalid {
  border-color: rgba(255, 95, 87, 0.5);
}

.form-group textarea { resize: vertical; min-height: 128px; }

.form-actions {
  display: flex;
  justify-content: center;
  padding-top: 6px;
}

/* Mensajes de estado */
.form-message {
  padding: 14px 20px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  text-align: center;
  border: 1px solid;
}
.form-success {
  background: rgba(40, 200, 64, 0.08);
  border-color: rgba(40, 200, 64, 0.3);
  color: #7FD98E;
}
.form-error {
  background: rgba(255, 95, 87, 0.08);
  border-color: rgba(255, 95, 87, 0.3);
  color: #FF9994;
}
.form-error a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ================================================================
   FOOTER
================================================================ */
#footer {
  padding: 64px 0 0;
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-logo {
  width: 52px;
  height: 52px;
  object-fit: contain;
  margin-bottom: 16px;
}
.footer-tagline {
  font-size: 0.8rem;
  color: var(--accent);
  margin-bottom: 10px;
}
.footer-copy { font-size: 0.82rem; color: var(--gray); }

.footer-col h4 {
  font-size: 0.78rem;
  color: var(--accent);
  margin-bottom: 18px;
  font-weight: 500;
  letter-spacing: 0.03em;
}
.footer-col a {
  display: block;
  font-size: 0.9rem;
  color: var(--gray-light);
  margin-bottom: 10px;
  transition: color var(--t-fast);
}
.footer-col a:hover { color: var(--white); }

/* Redes sociales footer */
.social-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 4px;
}

.social-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--gray-light);
  transition: color var(--t-fast);
}

.social-btn:hover { color: var(--accent); }

.social-btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
}
.footer-bottom span {
  font-size: 0.78rem;
  color: var(--gray);
  letter-spacing: 0.02em;
}

/* ================================================================
   ANIMACIONES DE ENTRADA (IntersectionObserver)
================================================================ */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.delay-100 { transition-delay: 0.10s; }
.delay-200 { transition-delay: 0.20s; }
.delay-300 { transition-delay: 0.30s; }
.delay-400 { transition-delay: 0.40s; }

/* ================================================================
   RESPONSIVE — Tablet (≤ 900px)
================================================================ */
@media (max-width: 900px) {
  /* Hero */
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
  .hero-logo {
    order: -1;
    max-width: 220px;
    margin: 0 auto;
  }
  .hero-body  { max-width: 100%; }
  .hero-actions { justify-content: center; }

  /* Problema */
  .problema-inner { grid-template-columns: 1fr; gap: 40px; }

  /* Servicios */
  .services-grid { grid-template-columns: repeat(2, 1fr); }

  /* Proceso */
  .steps {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .step-connector { display: none; }
  .step {
    text-align: left;
    display: flex;
    align-items: flex-start;
    gap: 24px;
    padding: 0;
  }
  .step-number {
    font-size: 2.4rem;
    margin-bottom: 0;
    flex-shrink: 0;
    min-width: 52px;
  }

  /* Mockup CTA */
  .mockup-card-inner {
    grid-template-columns: 1fr;
    padding: 36px;
    gap: 36px;
  }
  .mockup-features { min-width: auto; }

  /* Precios */
  .pricing-grid { grid-template-columns: 1fr; max-width: 420px; }

  /* Footer */
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

/* ================================================================
   RESPONSIVE — Mobile (≤ 640px)
================================================================ */
@media (max-width: 640px) {
  /* Navbar mobile */
  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0; right: 0;
    background: rgba(20, 18, 16, 0.97);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px 28px;
    gap: 18px;
    border-bottom: 1px solid var(--border);
  }
  .nav-links.open { display: flex; }
  .nav-toggle     { display: flex; }
  .nav-links .btn { width: 100%; justify-content: center; }

  /* Form */
  .form-row { grid-template-columns: 1fr; }

  /* Servicios */
  .services-grid { grid-template-columns: 1fr; }

  /* Footer */
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }

  /* Hero */
  .hero-logo { max-width: 180px; }
  .hero-scroll-hint { display: none; }
}