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

:root {
  --primary: #6C63FF;
  --primary-dark: #5A52D5;
  --accent: #00D4AA;
  --accent2: #FF6B6B;
  --dark: #0A0A0F;
  --dark2: #111118;
  --dark3: #1A1A2E;
  --surface: #16213E;
  --surface2: #1E2A45;
  --border: rgba(255,255,255,0.08);
  --text: #E8E8F0;
  --text-muted: #8888A8;
  --text-dim: #555570;
  --white: #ffffff;
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --mono: 'JetBrains Mono', 'Fira Code', monospace;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 48px rgba(0,0,0,0.6);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--dark);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: background var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
  background: rgba(10,10,15,0.92);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.logo {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  white-space: nowrap;
}
.logo-nova { color: var(--primary); }
.logo-glez { color: var(--accent); }
.logo-sys { color: var(--text-muted); font-weight: 400; font-size: 1rem; }

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

.nav-links a {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition), background var(--transition);
}

.nav-links a:hover { color: var(--white); background: var(--border); }

.btn-nav {
  background: var(--primary) !important;
  color: var(--white) !important;
  padding: 8px 20px !important;
}
.btn-nav:hover { background: var(--primary-dark) !important; }

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.menu-toggle span {
  width: 24px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
  display: block;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(108,99,255,0.4);
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(108,99,255,0.5);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1.5px solid var(--border);
}
.btn-outline:hover {
  background: var(--border);
  border-color: rgba(255,255,255,0.2);
  transform: translateY(-2px);
}

.btn-full { width: 100%; justify-content: center; }

/* ===== SECTION ===== */
.section {
  padding: 100px 0;
}
.section-dark {
  background: var(--dark2);
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(108,99,255,0.12);
  color: var(--primary);
  border: 1px solid rgba(108,99,255,0.25);
  border-radius: 99px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 560px;
  margin: 0 auto;
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 100px 0 60px;
}

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

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(108,99,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(108,99,255,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.25;
}
.orb-1 {
  width: 600px; height: 600px;
  background: var(--primary);
  top: -200px; right: -100px;
  animation: float 8s ease-in-out infinite;
}
.orb-2 {
  width: 400px; height: 400px;
  background: var(--accent);
  bottom: -100px; left: 10%;
  animation: float 10s ease-in-out infinite reverse;
}
.orb-3 {
  width: 300px; height: 300px;
  background: #FF6B6B;
  top: 30%; left: 40%;
  animation: float 12s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 660px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 99px;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 28px;
  backdrop-filter: blur(8px);
}

.badge-dot {
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
  font-size: clamp(2.2rem, 5.5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1px;
  color: var(--white);
  margin-bottom: 20px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 540px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat-num {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--white);
  font-family: var(--mono);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
}

/* Hero code block */
.hero-code-block {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1;
  width: 420px;
}

.code-window {
  background: rgba(22, 33, 62, 0.8);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.code-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border);
}

.dot {
  width: 12px; height: 12px;
  border-radius: 50%;
}
.dot.red { background: #FF5F57; }
.dot.yellow { background: #FEBC2E; }
.dot.green { background: #28C840; }

.code-filename {
  margin-left: 8px;
  font-size: 0.8rem;
  color: var(--text-dim);
  font-family: var(--mono);
}

.code-body {
  padding: 24px;
  font-family: var(--mono);
  font-size: 0.9rem;
  line-height: 1.8;
}

.c-kw { color: #C792EA; }
.c-cls { color: #82AAFF; }
.c-fn { color: #80CBC4; }
.c-str { color: #C3E88D; }
.c-op { color: #89DDFF; }
.c-cmt { color: #546E7A; font-style: italic; }

/* ===== SERVICES ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--dark2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: opacity var(--transition);
}

.service-card:hover {
  border-color: rgba(108,99,255,0.3);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}

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

.service-card.featured {
  background: linear-gradient(135deg, rgba(37,211,102,0.08) 0%, rgba(0,212,170,0.05) 100%);
  border-color: rgba(37,211,102,0.2);
}

.service-card.featured::before {
  background: linear-gradient(90deg, #25D366, #00D4AA);
  opacity: 1;
}

.featured-badge {
  position: absolute;
  top: 20px; right: 20px;
  padding: 4px 12px;
  background: #25D366;
  color: #000;
  border-radius: 99px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.service-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  padding: 12px;
}
.service-icon.windows { background: rgba(0,120,212,0.12); }
.service-icon.android { background: rgba(61,220,132,0.12); }
.service-icon.web { background: rgba(108,99,255,0.12); }
.service-icon.whatsapp { background: rgba(37,211,102,0.12); }
.service-icon svg { width: 100%; height: 100%; }

.service-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.65;
  margin-bottom: 20px;
}

.service-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.service-list li {
  font-size: 0.85rem;
  color: var(--text-muted);
  padding-left: 16px;
  position: relative;
}

.service-list li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}

.service-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(108,99,255,0.1);
  color: var(--primary);
  border: 1px solid rgba(108,99,255,0.2);
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  font-family: var(--mono);
}

.service-card.featured .service-tag {
  background: rgba(37,211,102,0.1);
  color: #25D366;
  border-color: rgba(37,211,102,0.2);
}

/* ===== PRODUCTS ===== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.product-card {
  background: var(--dark);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.product-card:hover {
  border-color: rgba(108,99,255,0.3);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.5);
}

.product-card.featured-product {
  background: linear-gradient(135deg, rgba(37,211,102,0.07) 0%, rgba(0,212,170,0.04) 100%);
  border-color: rgba(37,211,102,0.2);
}

.product-card.featured-product:hover {
  border-color: rgba(37,211,102,0.4);
}

.featured-badge-product {
  position: absolute;
  top: 16px; right: 16px;
  padding: 3px 10px;
  background: #25D366;
  color: #000;
  border-radius: 99px;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.product-icon {
  width: 48px; height: 48px;
  flex-shrink: 0;
}
.product-icon svg { width: 100%; height: 100%; }

.product-info h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}

.product-info p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 14px;
}

.product-features {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.product-features span {
  padding: 3px 10px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 500;
}

.product-platform {
  margin-top: auto;
  display: inline-block;
  padding: 4px 12px;
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 700;
  font-family: var(--mono);
  align-self: flex-start;
}
.windows-tag { background: rgba(0,120,212,0.12); color: #5EA9FF; }
.android-tag { background: rgba(61,220,132,0.12); color: #3DDC84; }
.web-tag { background: rgba(37,211,102,0.12); color: #25D366; }
.custom-tag { background: rgba(108,99,255,0.12); color: var(--primary); }

.products-cta {
  text-align: center;
  padding: 40px;
  background: var(--dark2);
  border: 1px dashed rgba(108,99,255,0.25);
  border-radius: var(--radius-lg);
}

.products-cta p {
  color: var(--text-muted);
  margin-bottom: 20px;
  font-size: 1rem;
}

/* ===== TECHNOLOGIES ===== */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.tech-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  transition: all var(--transition);
  cursor: default;
}

.tech-card:hover {
  border-color: rgba(108,99,255,0.3);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

.tech-logo {
  width: 56px; height: 56px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.9rem;
  font-family: var(--mono);
  letter-spacing: -1px;
}

.tech-logo.csharp { background: rgba(89,71,230,0.2); color: #9B8AFF; }
.tech-logo.kotlin { background: rgba(127,82,255,0.2); color: #A97BFF; }
.tech-logo.sql { background: rgba(0,120,212,0.2); color: #5EA9FF; }
.tech-logo.js { background: rgba(247,223,30,0.2); color: #F7DF1E; }
.tech-logo.react { background: rgba(97,218,251,0.15); color: #61DAFB; font-size: 1.4rem; }
.tech-logo.html { background: rgba(227,79,38,0.2); color: #FF7247; }
.tech-logo.python { background: rgba(55,118,171,0.2); color: #4B8BBE; }
.tech-logo.wa { background: rgba(37,211,102,0.15); color: #25D366; }
.tech-logo.git { background: rgba(240,80,50,0.2); color: #F05032; font-size: 0.75rem; }

.tech-card span {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 500;
  text-align: center;
}

/* ===== PROCESS ===== */
.process-steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
}

.step {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 16px;
}

.step-num {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.9rem;
  color: var(--white);
  font-family: var(--mono);
  margin-bottom: 20px;
  flex-shrink: 0;
}

.step-content h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}

.step-content p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.step-connector {
  flex-shrink: 0;
  width: 80px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  margin-top: 28px;
  opacity: 0.4;
}

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

.about-text .section-tag { text-align: left; }

.about-text h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.about-text p {
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 16px;
}

.about-badges {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 28px;
}

.about-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.about-badge svg {
  width: 18px; height: 18px;
  color: var(--primary);
  flex-shrink: 0;
}

.about-visual {
  position: relative;
}

.about-card-stack {
  position: relative;
  height: 320px;
}

.about-card {
  position: absolute;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  backdrop-filter: blur(8px);
}

.ac-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  font-weight: 600;
}

.ac1 {
  left: 0; top: 0;
  width: 280px;
  z-index: 3;
  box-shadow: var(--shadow-lg);
}

.ac-platforms {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.ac-platforms span {
  padding: 4px 12px;
  background: rgba(108,99,255,0.12);
  color: var(--primary);
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 600;
}

.ac2 {
  right: 0; top: 60px;
  width: 200px;
  z-index: 2;
}

.ac-rnc {
  font-family: var(--mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
}

.ac3 {
  left: 40px; bottom: 0;
  width: 180px;
  z-index: 1;
}

.ac-loc {
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
}

/* ===== CONTACT ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

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

.contact-icon {
  width: 44px; height: 44px;
  background: rgba(108,99,255,0.1);
  border: 1px solid rgba(108,99,255,0.2);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-icon svg { width: 20px; height: 20px; color: var(--primary); }
.contact-icon.whatsapp-icon { background: rgba(37,211,102,0.1); border-color: rgba(37,211,102,0.2); }
.contact-icon.whatsapp-icon svg { color: #25D366; }

.contact-item strong {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  margin-bottom: 4px;
}

.contact-item a {
  color: var(--text);
  transition: color var(--transition);
}
.contact-item a:hover { color: var(--primary); }
.contact-item span { color: var(--text-muted); font-size: 0.9rem; }

/* ===== FORM ===== */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: var(--dark2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  color: var(--text);
  font-family: var(--font);
  font-size: 0.9rem;
  transition: border-color var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  background: rgba(108,99,255,0.05);
}

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

.form-group select option { background: var(--dark3); }

.form-group textarea { resize: vertical; min-height: 100px; }

.form-note {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--dark2);
  border-top: 1px solid var(--border);
  padding-top: 64px;
}

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

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.6;
  margin: 16px 0;
  max-width: 280px;
}

.footer-rnc {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  padding: 8px 12px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 6px;
  display: inline-block;
}

.footer-links h5,
.footer-contact h5 {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin-bottom: 16px;
}

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

.footer-links a {
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--white); }

.footer-contact p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  line-height: 1.5;
}

.footer-contact a {
  color: var(--text-muted);
  transition: color var(--transition);
}
.footer-contact a:hover { color: var(--white); }

.btn-wa {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  padding: 8px 16px;
  background: #25D366;
  color: #000 !important;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  transition: all var(--transition);
}
.btn-wa:hover { background: #20BA59; transform: translateY(-1px); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
}

.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-bottom span {
  font-size: 0.78rem;
  color: var(--text-dim);
}

/* ===== WHATSAPP FLOAT ===== */
.wa-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 4px 20px rgba(37,211,102,0.5);
  z-index: 99;
  transition: all var(--transition);
}

.wa-float svg { width: 28px; height: 28px; }
.wa-float:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 32px rgba(37,211,102,0.6);
}

/* ===== SCROLL ANIMATIONS ===== */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1100px) {
  .hero-code-block { display: none; }
  .hero-content { max-width: 100%; }
}

@media (max-width: 1050px) {
  .products-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .services-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .tech-grid { grid-template-columns: repeat(4, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-visual { display: none; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .process-steps { flex-direction: column; align-items: center; }
  .step-connector { width: 2px; height: 40px; margin: 0; }
}

@media (max-width: 640px) {
  .section { padding: 72px 0; }
  .menu-toggle { display: flex; }
  .nav-links {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(10,10,15,0.97);
    backdrop-filter: blur(16px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 16px;
    z-index: 99;
  }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: 1.2rem; padding: 12px 24px; }
  .hero-actions { flex-direction: column; }
  .hero-stats { gap: 16px; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 24px; }
  .tech-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom .container { flex-direction: column; text-align: center; }
}