/* ============================================================
   RS SERVICE — Design System 2026
   Dark Tech Premium | Vanilla CSS
   ============================================================ */

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

/* ============================================================
   CSS VARIABLES
   ============================================================ */
:root {
  --bg-primary:    #0a0f1a;
  --bg-secondary:  #0d1422;
  --bg-tertiary:   #111827;
  --bg-glass:      rgba(255, 255, 255, 0.04);
  --bg-glass-hover:rgba(255, 255, 255, 0.08);
  --border-glass:  rgba(255, 255, 255, 0.08);
  --border-accent: rgba(0, 212, 255, 0.3);

  --accent-cyan:   #00d4ff;
  --accent-green:  #00ff88;
  --accent-purple: #7c3aed;
  --accent-glow:   rgba(0, 212, 255, 0.15);

  --text-primary:  #f0f6fc;
  --text-secondary:#c9d1d9;
  --text-muted:    #8b9ab5;

  --gradient-hero: linear-gradient(135deg, #0a0f1a 0%, #0d1f3c 50%, #0a0f1a 100%);
  --gradient-accent: linear-gradient(90deg, #00d4ff, #00ff88);
  --gradient-card: linear-gradient(145deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));

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

  --shadow-glow: 0 0 40px rgba(0, 212, 255, 0.12);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-hero: 0 20px 80px rgba(0, 212, 255, 0.08);

  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  --navbar-h: 72px;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 12px;
  padding: 4px 12px;
  border-radius: 20px;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.2);
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 16px;
}

.section-title .highlight {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 580px;
  line-height: 1.75;
}

/* ============================================================
   LAYOUT UTILITIES
   ============================================================ */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-pad {
  padding: 100px 0;
}

.text-center { text-align: center; }
.text-center .section-desc { margin: 0 auto; }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-accent);
  color: #0a0f1a;
  box-shadow: 0 0 0 rgba(0, 212, 255, 0);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 212, 255, 0.35);
}

.btn-outline {
  border: 1.5px solid var(--border-accent);
  color: var(--accent-cyan);
  background: transparent;
}
.btn-outline:hover {
  background: rgba(0, 212, 255, 0.08);
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: linear-gradient(135deg, #25d366, #128c7e);
  color: #fff;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
}
.btn-whatsapp:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.45);
}

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

/* ============================================================
   NAVBAR
   ============================================================ */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--navbar-h);
  display: flex;
  align-items: center;
  transition: var(--transition);
}

#navbar.scrolled {
  background: rgba(10, 15, 26, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

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

.navbar-logo img {
  height: 44px;
  width: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.navbar-nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  position: relative;
}

.navbar-nav a::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 14px;
  right: 14px;
  height: 2px;
  background: var(--gradient-accent);
  border-radius: 2px;
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.navbar-nav a:hover {
  color: var(--text-primary);
}
.navbar-nav a:hover::after {
  transform: scaleX(1);
}

.navbar-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--navbar-h);
  left: 0;
  right: 0;
  background: rgba(10, 15, 26, 0.97);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
  padding: 20px 24px;
  flex-direction: column;
  gap: 4px;
  z-index: 999;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  padding: 14px 0;
  border-bottom: 1px solid var(--border-glass);
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.2s;
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a:hover { color: var(--accent-cyan); }
.mobile-menu .btn { margin-top: 12px; justify-content: center; }

/* ============================================================
   HERO
   ============================================================ */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-hero);
  overflow: hidden;
  padding-top: var(--navbar-h);
}

#particles-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}
.hero-glow-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0,212,255,0.08) 0%, transparent 70%);
  top: -100px;
  right: -100px;
}
.hero-glow-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0,255,136,0.06) 0%, transparent 70%);
  bottom: 0;
  left: -50px;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.25);
  border-radius: 20px;
  padding: 6px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--accent-cyan);
  margin-bottom: 24px;
  text-transform: uppercase;
}
.hero-badge .dot {
  width: 6px;
  height: 6px;
  background: var(--accent-green);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.7); }
}

.hero-title {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 900;
  line-height: 1.08;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.hero-title .line-accent {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 580px;
  margin-bottom: 40px;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 60px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.hero-tag {
  font-size: 0.78rem;
  color: var(--text-muted);
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: 20px;
  padding: 5px 14px;
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: float 3s ease-in-out infinite;
}
.scroll-mouse {
  width: 24px;
  height: 38px;
  border: 2px solid rgba(255,255,255,0.2);
  border-radius: 12px;
  position: relative;
}
.scroll-mouse::before {
  content: '';
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  height: 8px;
  background: var(--accent-cyan);
  border-radius: 3px;
  animation: scroll-wheel 2s ease-in-out infinite;
}
@keyframes scroll-wheel {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
  50% { transform: translateX(-50%) translateY(10px); opacity: 0; }
}
@keyframes float {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(-8px); }
}

/* ============================================================
   STATS STRIP
   ============================================================ */
#stats {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-glass);
  border-bottom: 1px solid var(--border-glass);
  padding: 60px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.stat-item {
  text-align: center;
  padding: 20px 32px;
  position: relative;
}

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 20%;
  height: 60%;
  width: 1px;
  background: var(--border-glass);
}

.stat-number {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 8px;
  display: block;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ============================================================
   ABOUT
   ============================================================ */
#about {
  background: var(--bg-primary);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-image-wrap {
  position: relative;
}

.about-image-wrap img {
  border-radius: var(--radius-lg);
  width: 100%;
  object-fit: cover;
}

.about-badge-float {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-md);
  padding: 16px 22px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-card);
}

.about-badge-float .badge-icon {
  font-size: 2rem;
  line-height: 1;
}

.about-badge-float .badge-text {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.about-badge-float .badge-text strong {
  display: block;
  font-size: 1.1rem;
  color: var(--accent-cyan);
  font-weight: 700;
}

.about-content .section-desc {
  margin-bottom: 28px;
}

.about-values {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 36px;
}

.about-value {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.about-value-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--accent-cyan);
}
.about-value-icon svg { width: 20px; height: 20px; }

.about-value-text h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}
.about-value-text p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ============================================================
   SERVICES
   ============================================================ */
#services {
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

#services::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0,212,255,0.05) 0%, transparent 70%);
  pointer-events: none;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 60px;
}

.service-card {
  background: var(--gradient-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  cursor: default;
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  background: var(--gradient-accent);
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: 0;
  padding: 1px;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow), var(--shadow-card);
  border-color: transparent;
  background: var(--bg-glass-hover);
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--accent-cyan);
  transition: var(--transition);
  position: relative;
  z-index: 1;
}
.service-icon svg { width: 26px; height: 26px; }

.service-card:hover .service-icon {
  background: rgba(0, 212, 255, 0.2);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
}

.service-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
  position: relative;
  z-index: 1;
  transition: color 0.3s;
}

.service-card:hover h3 {
  color: var(--accent-cyan);
}

.service-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.65;
  position: relative;
  z-index: 1;
}

/* ============================================================
   NETWORKS / CABLEADO SECTION
   ============================================================ */
#networks {
  background: var(--bg-primary);
}

.networks-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.networks-image-wrap {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.networks-image-wrap img {
  width: 100%;
  object-fit: cover;
  border-radius: var(--radius-xl);
}

.networks-image-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(10,15,26,0.8) 100%);
  pointer-events: none;
}

.tech-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 28px 0;
}

.tech-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
}

.tech-chip .chip-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-green);
  flex-shrink: 0;
}

.tech-chip:hover {
  border-color: var(--border-accent);
  color: var(--accent-cyan);
  background: rgba(0,212,255,0.05);
}

.networks-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 24px;
}

.network-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.network-item:hover {
  border-color: var(--border-accent);
  background: rgba(0,212,255,0.04);
}

.network-item svg {
  width: 18px;
  height: 18px;
  color: var(--accent-cyan);
  flex-shrink: 0;
}

.network-item span {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
}

/* ============================================================
   PORTFOLIO
   ============================================================ */
#portfolio {
  background: var(--bg-secondary);
}

.portfolio-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin: 36px 0 32px;
}

.pf-btn {
  padding: 7px 18px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: 20px;
  transition: var(--transition);
  cursor: pointer;
}

.pf-btn:hover, .pf-btn.active {
  background: rgba(0, 212, 255, 0.1);
  border-color: var(--border-accent);
  color: var(--accent-cyan);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.portfolio-item {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  cursor: pointer;
  transition: var(--transition);
}

.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
  display: block;
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(0, 0, 0, 0.82) 100%);
  opacity: 0;
  transition: opacity 0.35s ease;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-end;
  gap: 5px;
  padding: 14px 16px;
  text-align: left;
}

.portfolio-item:hover .portfolio-overlay { opacity: 1; }
.portfolio-item:hover img { transform: scale(1.06); }

.portfolio-overlay h4 {
  font-size: 0.88rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
  margin: 0;
}

.portfolio-overlay span {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: rgba(0,212,255,0.15);
  border: 1px solid rgba(0,212,255,0.3);
  padding: 2px 8px;
  border-radius: 10px;
}

.portfolio-item.hidden {
  display: none;
}

/* ============================================================
   CTA SECTION
   ============================================================ */
#cta-section {
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.cta-inner {
  background: linear-gradient(135deg, rgba(0,212,255,0.08) 0%, rgba(0,255,136,0.05) 100%);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-xl);
  padding: 80px 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-inner::before {
  content: '';
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0,212,255,0.1) 0%, transparent 70%);
  pointer-events: none;
}

.cta-inner h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 16px;
}

.cta-inner p {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 500px;
  margin: 0 auto 40px;
  line-height: 1.75;
}

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

.cta-features {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 48px;
  padding-top: 40px;
  border-top: 1px solid var(--border-glass);
}

.cta-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.cta-feature svg {
  width: 18px;
  height: 18px;
  color: var(--accent-green);
  flex-shrink: 0;
}

/* ============================================================
   CONTACT
   ============================================================ */
#contact {
  background: var(--bg-secondary);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  align-items: start;
}

.contact-info h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.contact-info > p {
  color: var(--text-muted);
  margin-bottom: 36px;
  line-height: 1.7;
  font-size: 0.95rem;
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 32px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-item-icon {
  width: 44px;
  height: 44px;
  background: rgba(0,212,255,0.08);
  border: 1px solid rgba(0,212,255,0.2);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--accent-cyan);
}
.contact-item-icon svg { width: 18px; height: 18px; }

.contact-item-text h4 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-item-text p, .contact-item-text a {
  font-size: 0.95rem;
  color: var(--text-primary);
  transition: color 0.2s;
}
.contact-item-text a:hover { color: var(--accent-cyan); }

/* Form */
.contact-form {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: 40px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

.form-group.full { grid-column: 1 / -1; }

.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.form-group input,
.form-group textarea,
.form-group select {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  padding: 12px 16px;
  transition: var(--transition);
  outline: none;
  width: 100%;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-cyan);
  background: rgba(0,212,255,0.04);
  box-shadow: 0 0 0 3px rgba(0,212,255,0.08);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
  opacity: 0.6;
}

.form-group textarea {
  resize: vertical;
  min-height: 130px;
}

.form-submit {
  width: 100%;
  padding: 15px;
  font-size: 1rem;
  justify-content: center;
}

.form-note {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 12px;
}

/* ============================================================
   FOOTER
   ============================================================ */
#footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-glass);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand img {
  height: 40px;
  width: auto;
  filter: brightness(0) invert(1);
  margin-bottom: 16px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.7;
  max-width: 260px;
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  width: 38px;
  height: 38px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: var(--transition);
}
.footer-social a svg { width: 16px; height: 16px; }
.footer-social a:hover {
  border-color: var(--border-accent);
  color: var(--accent-cyan);
  background: rgba(0,212,255,0.08);
}

.footer-col h4 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul li a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color 0.2s;
}
.footer-col ul li a:hover { color: var(--accent-cyan); }

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 14px;
}
.footer-contact-item svg {
  width: 15px;
  height: 15px;
  color: var(--accent-cyan);
  flex-shrink: 0;
  margin-top: 2px;
}
.footer-contact-item span {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}
.footer-contact-item a {
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: color 0.2s;
}
.footer-contact-item a:hover { color: var(--accent-cyan); }

.footer-bottom {
  padding-top: 28px;
  border-top: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer-bottom a {
  color: var(--accent-cyan);
  transition: opacity 0.2s;
}
.footer-bottom a:hover { opacity: 0.8; }

/* ============================================================
   ANIMATIONS / SCROLL REVEAL
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.revealed {
  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; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* WhatsApp Float Button */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 58px;
  height: 58px;
  background: linear-gradient(135deg, #25d366, #128c7e);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  box-shadow: 0 4px 24px rgba(37, 211, 102, 0.45);
  transition: var(--transition);
  color: #fff;
}
.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 32px rgba(37, 211, 102, 0.6);
}
.whatsapp-float svg { width: 28px; height: 28px; }
.whatsapp-float .wa-pulse {
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid rgba(37, 211, 102, 0.4);
  animation: wa-ring 2.5s ease-out infinite;
}
@keyframes wa-ring {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(1.5); opacity: 0; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .portfolio-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .navbar-nav, .navbar-cta { display: none; }
  .hamburger { display: flex; }

  .section-pad { padding: 70px 0; }

  .hero-title { font-size: clamp(2rem, 8vw, 3rem); }
  .hero-desc { font-size: 1rem; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2)::after { display: none; }
  .stat-item:nth-child(2n)::after { display: none; }
  .stat-item:not(:last-child)::after { display: block; }
  .stat-item:nth-child(2)::after, .stat-item:nth-child(4)::after { display: none; }

  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-badge-float { right: 0; bottom: -10px; }
  .about-image-wrap { order: -1; }

  .services-grid { grid-template-columns: 1fr; }
  .networks-grid { grid-template-columns: 1fr; gap: 40px; }

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

  .cta-inner { padding: 50px 28px; }

  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .form-row { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .portfolio-grid { grid-template-columns: 1fr 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { justify-content: center; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .cta-features { flex-direction: column; align-items: center; }
}