/* ============================================
   LVB.SPA SOLUCIONES INDUSTRIALES
   Design System & Styles
   Dark Industrial Theme with Amber Accents
   ============================================ */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Inter:wght@300;400;500;600;700&display=swap');

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Core Palette */
  --clr-bg-dark:       #0a0a0a;
  --clr-bg-card:       #141414;
  --clr-bg-section:    #111111;
  --clr-bg-footer:     #080808;
  --clr-surface:       #1a1a1a;
  --clr-surface-hover: #222222;
  --clr-border:        rgba(255,255,255,0.06);
  --clr-border-accent: rgba(245,158,11,0.25);

  /* Accent – Amber / Orange */
  --clr-accent:        #f59e0b;
  --clr-accent-light:  #fbbf24;
  --clr-accent-dark:   #d97706;
  --clr-accent-glow:   rgba(245,158,11,0.15);

  /* Text */
  --clr-text:          #e5e5e5;
  --clr-text-muted:    #9ca3af;
  --clr-text-heading:  #ffffff;

  /* Typography */
  --ff-heading: 'Outfit', sans-serif;
  --ff-body:    'Inter', sans-serif;

  /* Spacing */
  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  1.5rem;
  --space-lg:  2.5rem;
  --space-xl:  4rem;
  --space-2xl: 6rem;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  /* Transitions */
  --ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-fast: 0.25s var(--ease-out);
  --transition-med:  0.4s var(--ease-out);
  --transition-slow: 0.6s var(--ease-out);
}

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--ff-body);
  background: var(--clr-bg-dark);
  color: var(--clr-text);
  line-height: 1.7;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

ul { list-style: none; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* ============================================
   HEADER / NAVIGATION
   ============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: var(--space-sm) 0;
  transition: background var(--transition-med), padding var(--transition-med), box-shadow var(--transition-med);
}

.site-header.scrolled {
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 0.6rem 0;
  box-shadow: 0 2px 30px rgba(0,0,0,0.5);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.logo-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent-dark));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--ff-heading);
  font-weight: 900;
  font-size: 1.1rem;
  color: var(--clr-bg-dark);
  position: relative;
}

.logo-icon::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: calc(var(--radius-sm) + 2px);
  background: linear-gradient(135deg, var(--clr-accent), transparent);
  opacity: 0.3;
  z-index: -1;
}

.logo-text {
  font-family: var(--ff-heading);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--clr-text-heading);
  letter-spacing: 0.5px;
}

.logo-text span {
  color: var(--clr-accent);
}

/* Navigation */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-links a {
  font-family: var(--ff-heading);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--clr-text-muted);
  position: relative;
  padding: 0.3rem 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--clr-accent);
  transition: width var(--transition-fast);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--clr-accent);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
  z-index: 1001;
}

.menu-toggle span {
  width: 28px;
  height: 2px;
  background: var(--clr-text);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.35) contrast(1.1);
}

/* Overlay layers */
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background:
    linear-gradient(180deg,
      rgba(10,10,10,0.7) 0%,
      rgba(10,10,10,0.3) 40%,
      rgba(10,10,10,0.5) 70%,
      rgba(10,10,10,0.95) 100%
    );
}

.hero-overlay::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 2px,
      rgba(0,0,0,0.03) 2px,
      rgba(0,0,0,0.03) 4px
    );
  pointer-events: none;
}

/* Animated Danger Stripe */
.hero-stripe {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 8px;
  z-index: 5;
  background: repeating-linear-gradient(
    -45deg,
    var(--clr-accent),
    var(--clr-accent) 15px,
    var(--clr-bg-dark) 15px,
    var(--clr-bg-dark) 30px
  );
  background-size: 42.43px 100%;
  animation: stripeScroll 2s linear infinite;
}

@keyframes stripeScroll {
  0%   { background-position: 0 0; }
  100% { background-position: 42.43px 0; }
}

/* Hero Content */
.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  max-width: 900px;
  padding: 0 var(--space-md);
}

.hero-subtitle {
  font-family: var(--ff-heading);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 6px;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s var(--ease-out) 0.3s forwards;
}

.hero-subtitle::before,
.hero-subtitle::after {
  content: '';
  width: 40px;
  height: 1px;
  background: var(--clr-accent);
}

.hero-title {
  font-family: var(--ff-heading);
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--clr-text-heading);
  margin-bottom: var(--space-lg);
  letter-spacing: -0.5px;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s var(--ease-out) 0.6s forwards;
}

.hero-title .highlight {
  background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-cta {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s var(--ease-out) 0.9s forwards;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--clr-text-muted);
  font-size: 0.7rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  animation: fadeInUp 0.8s var(--ease-out) 1.2s forwards;
  opacity: 0;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--clr-accent), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 1; transform: scaleY(1); }
  50%      { opacity: 0.3; transform: scaleY(0.6); }
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  font-family: var(--ff-heading);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent-dark));
  color: var(--clr-bg-dark);
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--clr-accent-light), var(--clr-accent));
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(245,158,11,0.35);
}

.btn-primary:hover::before {
  opacity: 1;
}

.btn-primary .btn-text {
  position: relative;
  z-index: 1;
}

.btn-primary .btn-icon {
  position: relative;
  z-index: 1;
  transition: transform var(--transition-fast);
}

.btn-primary:hover .btn-icon {
  transform: translateX(4px);
}

.btn-outline {
  background: transparent;
  color: var(--clr-accent);
  border: 1px solid var(--clr-accent);
}

.btn-outline:hover {
  background: var(--clr-accent);
  color: var(--clr-bg-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(245,158,11,0.25);
}

.btn-sm {
  padding: 10px 22px;
  font-size: 0.75rem;
  letter-spacing: 1.5px;
}

/* ============================================
   SECTION COMMON STYLES
   ============================================ */
.section {
  padding: var(--space-2xl) 0;
  position: relative;
}

.section-dark {
  background: var(--clr-bg-section);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--ff-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: var(--space-sm);
}

.section-tag::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--clr-accent);
}

.section-title {
  font-family: var(--ff-heading);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 800;
  color: var(--clr-text-heading);
  margin-bottom: var(--space-sm);
  letter-spacing: -0.3px;
}

.section-divider {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--clr-accent), transparent);
  margin: var(--space-sm) auto var(--space-md);
  border-radius: 2px;
}

.section-desc {
  max-width: 700px;
  margin: 0 auto;
  color: var(--clr-text-muted);
  font-size: 1.05rem;
  line-height: 1.8;
}

/* ============================================
   NOSOTROS (ABOUT) SECTION
   ============================================ */
.about-section {
  background: var(--clr-bg-dark);
  position: relative;
}

.about-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 80px;
  background: linear-gradient(to bottom, var(--clr-accent), transparent);
}

/* ============================================
   TRAYECTORIA (TRUST CARDS)
   ============================================ */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.trust-card {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-med);
}

.trust-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--clr-accent), var(--clr-accent-dark));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-med);
}

.trust-card:hover {
  border-color: var(--clr-border-accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}

.trust-card:hover::before {
  transform: scaleX(1);
}

.trust-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--clr-accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  color: var(--clr-accent);
  font-size: 1.5rem;
}

.trust-label {
  font-family: var(--ff-heading);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: var(--space-xs);
}

.trust-title {
  font-family: var(--ff-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--clr-text-heading);
  margin-bottom: var(--space-sm);
}

.trust-text {
  color: var(--clr-text-muted);
  font-size: 0.92rem;
  line-height: 1.75;
}

.trust-quote {
  font-style: italic;
  border-left: 3px solid var(--clr-accent);
  padding-left: var(--space-sm);
  margin-top: var(--space-sm);
}

.trust-author {
  display: block;
  font-style: normal;
  font-weight: 600;
  color: var(--clr-accent);
  margin-top: var(--space-xs);
  font-size: 0.85rem;
}

/* ============================================
   SERVICIOS (SERVICES GRID)
   ============================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.service-card {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-med);
  position: relative;
  group: true;
}

.service-card:hover {
  border-color: var(--clr-border-accent);
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.4);
}

.service-img {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.service-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
  filter: brightness(0.7);
}

.service-card:hover .service-img img {
  transform: scale(1.08);
  filter: brightness(0.85);
}

.service-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--clr-bg-card), transparent 60%);
}

.service-icon-badge {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: rgba(10,10,10,0.8);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-accent);
  font-size: 1.1rem;
  border: 1px solid var(--clr-border-accent);
}

.service-body {
  padding: var(--space-md);
}

.service-name {
  font-family: var(--ff-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--clr-text-heading);
  margin-bottom: var(--space-sm);
  line-height: 1.4;
}

.service-desc {
  color: var(--clr-text-muted);
  font-size: 0.85rem;
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

/* ============================================
   SERVICIOS DETALLADOS (ACCORDION)
   ============================================ */
.detail-section {
  background: var(--clr-bg-dark);
  position: relative;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.detail-intro h3 {
  font-family: var(--ff-heading);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--clr-text-heading);
  margin-bottom: var(--space-md);
}

.detail-intro p {
  color: var(--clr-text-muted);
  line-height: 1.8;
  margin-bottom: var(--space-md);
}

.detail-intro-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: var(--space-md);
  border: 1px solid var(--clr-border);
}

.detail-intro-img img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  filter: brightness(0.7);
}

/* Accordion */
.accordion {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.accordion-item {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.accordion-item.active {
  border-color: var(--clr-border-accent);
}

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-md);
  cursor: pointer;
  transition: background var(--transition-fast);
  user-select: none;
}

.accordion-header:hover {
  background: var(--clr-surface);
}

.accordion-header-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.accordion-number {
  font-family: var(--ff-heading);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--clr-accent);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--clr-accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.accordion-title {
  font-family: var(--ff-heading);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--clr-text-heading);
}

.accordion-icon {
  color: var(--clr-accent);
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-med);
}

.accordion-body-inner {
  padding: 0 var(--space-md) var(--space-md);
  padding-left: calc(var(--space-md) + 46px);
  color: var(--clr-text-muted);
  font-size: 0.9rem;
  line-height: 1.75;
}

.accordion-body-inner .motto {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: var(--space-sm);
  padding: 8px 16px;
  background: var(--clr-accent-glow);
  border-radius: var(--radius-sm);
  font-family: var(--ff-heading);
  font-weight: 600;
  color: var(--clr-accent);
  font-size: 0.85rem;
}

/* ============================================
   CALIDAD Y SEGURIDAD (QUALITY)
   ============================================ */
.quality-section {
  background: var(--clr-bg-section);
  position: relative;
  overflow: hidden;
}

.quality-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: repeating-linear-gradient(
    90deg,
    var(--clr-accent) 0,
    var(--clr-accent) 30px,
    transparent 30px,
    transparent 40px
  );
}

.quality-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.quality-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--clr-border);
}

.quality-visual img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  filter: brightness(0.6);
}

.quality-visual-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,10,10,0.5), rgba(245,158,11,0.1));
  display: flex;
  align-items: center;
  justify-content: center;
}

.quality-badge {
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(10px);
  border: 1px solid var(--clr-border-accent);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: center;
}

.quality-badge-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-sm);
}

.quality-badge-text {
  font-family: var(--ff-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--clr-text-heading);
}

.quality-badge-sub {
  font-size: 0.8rem;
  color: var(--clr-accent);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.checklist {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.check-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.check-item:hover {
  border-color: var(--clr-border-accent);
  background: var(--clr-surface);
}

.check-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--clr-accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--clr-accent);
  font-size: 1.1rem;
}

.check-content h4 {
  font-family: var(--ff-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--clr-text-heading);
  margin-bottom: 4px;
}

.check-content p {
  color: var(--clr-text-muted);
  font-size: 0.88rem;
  line-height: 1.6;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: var(--clr-bg-footer);
  border-top: 1px solid var(--clr-border);
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: repeating-linear-gradient(
    -45deg,
    var(--clr-accent),
    var(--clr-accent) 10px,
    transparent 10px,
    transparent 20px
  );
}

.footer-main {
  padding: var(--space-xl) 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-xl);
}

.footer-brand p {
  color: var(--clr-text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-top: var(--space-sm);
  max-width: 300px;
}

.footer-title {
  font-family: var(--ff-heading);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: var(--space-md);
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--clr-text-muted);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-contact-item:hover {
  color: var(--clr-accent);
}

.footer-contact-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--clr-accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-accent);
  flex-shrink: 0;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: var(--clr-text-muted);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition-fast);
}

.footer-links a::before {
  content: '→';
  color: var(--clr-accent);
  opacity: 0;
  transform: translateX(-8px);
  transition: all var(--transition-fast);
}

.footer-links a:hover {
  color: var(--clr-accent);
  transform: translateX(4px);
}

.footer-links a:hover::before {
  opacity: 1;
  transform: translateX(0);
}

.footer-bottom {
  border-top: 1px solid var(--clr-border);
  padding: var(--space-md) 0;
  text-align: center;
}

.footer-bottom p {
  color: var(--clr-text-muted);
  font-size: 0.8rem;
}

/* ============================================
   ANIMATIONS (Scroll Reveal)
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ============================================
   PARTICLE CANVAS (Hero Background)
   ============================================ */
#particles-canvas {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(10,10,10,0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    gap: var(--space-lg);
    transition: right var(--transition-med);
    border-left: 1px solid var(--clr-border);
  }

  .nav-links.open {
    right: 0;
  }

  .trust-grid {
    grid-template-columns: 1fr;
  }

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

  .detail-grid {
    grid-template-columns: 1fr;
  }

  .quality-grid {
    grid-template-columns: 1fr;
  }

  .quality-visual {
    order: -1;
  }

  .quality-visual img {
    height: 280px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-title {
    font-size: clamp(1.8rem, 6vw, 2.8rem);
  }

  .hero-subtitle {
    font-size: 0.75rem;
    letter-spacing: 3px;
  }
}

@media (max-width: 480px) {
  .section {
    padding: var(--space-xl) 0;
  }

  .btn {
    padding: 14px 28px;
    font-size: 0.8rem;
  }
}