/* ============================================
   OxyGen Pro - Main Stylesheet
   ============================================ */

/* ---- Variables & Reset ---- */
:root {
  --blue-primary: #0066ff;
  --blue-light: #00d4ff;
  --blue-dark: #003db3;
  --cyan: #00e5ff;
  --purple: #8b5cf6;
  --green: #10b981;
  --orange: #f59e0b;
  --red: #ef4444;

  --dark-bg: #040b1a;
  --dark-card: #070f24;
  --dark-border: #0f2040;
  --section-bg: #f0f6ff;

  --text-primary: #e8f4ff;
  --text-muted: #7b9ec8;
  --text-dark: #0d1f3c;

  --gradient-main: linear-gradient(135deg, #00d4ff 0%, #0066ff 50%, #6600ff 100%);
  --gradient-blue: linear-gradient(135deg, #00d4ff, #0066ff);
  --gradient-card: linear-gradient(145deg, rgba(0, 102, 255, 0.08), rgba(0, 212, 255, 0.04));

  --shadow-glow: 0 0 40px rgba(0, 102, 255, 0.3);
  --shadow-card: 0 20px 60px rgba(0, 0, 0, 0.4);

  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  --radius: 16px;
  --radius-sm: 8px;
  --radius-lg: 24px;
  --radius-xl: 32px;
}

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

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

body {
  font-family: 'Inter', 'Outfit', sans-serif;
  background: var(--dark-bg);
  color: var(--text-primary);
  overflow-x: hidden;
  line-height: 1.6;
}

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

/* ---- Preloader ---- */
#preloader {
  position: fixed;
  inset: 0;
  background: var(--dark-bg);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s, visibility 0.6s;
}

#preloader.hidden {
  opacity: 0;
  visibility: hidden;
}

.preloader-inner {
  text-align: center;
}

.preloader-inner p {
  margin-top: 20px;
  color: var(--text-muted);
  font-size: 0.9rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  animation: pulse 1.5s infinite;
}

.oxygen-atom {
  position: relative;
  width: 100px;
  height: 100px;
  margin: 0 auto;
}

.nucleus {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 13px;
  color: white;
  box-shadow: 0 0 20px rgba(0, 102, 255, 0.6);
}

.orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 50%;
  border: 1.5px solid rgba(0, 212, 255, 0.3);
  transform-origin: center;
  animation: spin 2s linear infinite;
}

.orbit-1 {
  width: 80px;
  height: 80px;
  margin: -40px 0 0 -40px;
  animation-duration: 1.5s;
}

.orbit-2 {
  width: 100px;
  height: 100px;
  margin: -50px 0 0 -50px;
  animation-duration: 2.5s;
  animation-direction: reverse;
  border-color: rgba(102, 0, 255, 0.3);
}

.electron {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--blue-light);
  position: absolute;
  top: -4px;
  left: 50%;
  transform: translateX(-50%);
  box-shadow: 0 0 8px var(--blue-light);
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ---- Particles ---- */
.particles {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.particle {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.6) 0%, transparent 70%);
  animation: floatParticle linear infinite;
}

@keyframes floatParticle {
  0% { transform: translateY(100vh) scale(0); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 0.4; }
  100% { transform: translateY(-100px) scale(1); opacity: 0; }
}

/* ---- Navigation ---- */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
}

#navbar.scrolled {
  background: rgba(4, 11, 26, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--dark-border);
  padding: 10px 0;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

.nav-container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 40px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: 'Outfit', sans-serif;
  color: white;
  letter-spacing: -0.5px;
  flex-shrink: 0;
  text-decoration: none;
}

.logo-icon {
  width: 100px;
  height: 100px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-img {
  width: 100px;
  height: 100px;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(220, 38, 38, 0.5));
  transition: var(--transition);
}

.logo:hover .logo-img {
  filter: drop-shadow(0 4px 16px rgba(220, 38, 38, 0.7));
  transform: scale(1.08);
}

.logo-text-wrap {
  display: flex;
  flex-direction: column;
  gap: 2px;
  line-height: 1;
}

.logo-brand {
  font-size: 1.05rem;
  font-weight: 800;
  color: white;
  letter-spacing: -0.3px;
}

.logo-tagline {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--blue-light);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

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

.nav-link {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition);
  white-space: nowrap;
}

.nav-link:hover, .nav-link.active {
  color: white;
  background: rgba(0, 102, 255, 0.15);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.nav-phone {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: var(--transition);
  white-space: nowrap;
}

.nav-phone:hover { color: var(--blue-light); }

.btn-primary {
  padding: 10px 22px;
  border-radius: 50px;
  background: var(--gradient-blue);
  color: white;
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition);
  white-space: nowrap;
  box-shadow: 0 4px 20px rgba(0, 102, 255, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 102, 255, 0.5);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: white;
  border-radius: 2px;
  transition: var(--transition);
}

/* ---- Hero ---- */
.hero {
  min-height: 100vh;
  position: relative;
  display: flex;
  flex-direction: column;
  padding-top: 80px;
  overflow: hidden;
}

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

.hero-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 50%, rgba(0, 102, 255, 0.15) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 20% 80%, rgba(0, 212, 255, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse 40% 40% at 80% 20%, rgba(102, 0, 255, 0.08) 0%, transparent 50%),
    var(--dark-bg);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 102, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 102, 255, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-container {
  position: relative;
  z-index: 1;
  max-width: 1300px;
  margin: 0 auto;
  padding: 60px 24px 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  min-height: calc(100vh - 80px);
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 50px;
  border: 1px solid rgba(0, 212, 255, 0.3);
  background: rgba(0, 212, 255, 0.05);
  font-size: 0.8rem;
  color: var(--blue-light);
  font-weight: 500;
  width: fit-content;
  backdrop-filter: blur(10px);
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--blue-light);
  animation: pulse 1.5s infinite;
  box-shadow: 0 0 8px var(--blue-light);
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.8); }
}

.hero-title {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1px;
  color: white;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.title-gradient {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

.title-highlight {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.7em;
  font-weight: 400;
  letter-spacing: 3px;
  text-transform: uppercase;
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 480px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 20px 24px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
  width: fit-content;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.stat-num {
  font-family: 'Outfit', sans-serif;
  font-size: 1.8rem;
  font-weight: 800;
  color: white;
  line-height: 1;
}

.stat-item > span:first-of-type + span:not(.stat-label) {
  color: var(--blue-light);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--dark-border);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-hero-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 50px;
  background: var(--gradient-blue);
  color: white;
  font-size: 1rem;
  font-weight: 600;
  transition: var(--transition);
  box-shadow: 0 4px 24px rgba(0, 102, 255, 0.4);
}

.btn-hero-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0, 102, 255, 0.5);
}

.btn-hero-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 50px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.8);
  font-size: 1rem;
  font-weight: 500;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.btn-hero-secondary:hover {
  border-color: rgba(0, 212, 255, 0.4);
  color: var(--blue-light);
  background: rgba(0, 212, 255, 0.05);
  transform: translateY(-2px);
}

/* Hero Visual */
.hero-visual {
  position: relative;
}

.hero-card-main {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card), var(--shadow-glow);
  border: 1px solid rgba(0, 102, 255, 0.2);
}

.hero-img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  display: block;
}

.hero-card-badge {
  position: absolute;
  bottom: 20px;
  left: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: rgba(4, 11, 26, 0.9);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: var(--radius);
}

.badge-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gradient-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: white;
  font-size: 1rem;
}

.badge-title {
  font-weight: 600;
  font-size: 0.9rem;
  color: white;
}

.badge-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.hero-floating-cards {
  position: absolute;
  top: 0;
  right: -20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transform: translateY(20px);
}

.float-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 16px;
  background: rgba(4, 11, 26, 0.92);
  backdrop-filter: blur(20px);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius);
  min-width: 140px;
  animation: floatCard 3s ease-in-out infinite;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.float-card-1 { animation-delay: 0s; border-color: rgba(0, 212, 255, 0.3); }
.float-card-2 { animation-delay: 0.5s; border-color: rgba(16, 185, 129, 0.3); }
.float-card-3 { animation-delay: 1s; border-color: rgba(245, 158, 11, 0.3); }

@keyframes floatCard {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}

.float-icon { font-size: 1.2rem; }
.float-card > span:nth-child(2) { font-size: 0.8rem; font-weight: 600; color: white; }
.float-sub { font-size: 0.7rem; color: var(--text-muted); }

/* Hero Scroll */
.hero-scroll {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 20px;
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 1px;
}

.scroll-indicator {
  width: 2px;
  height: 50px;
  background: linear-gradient(to bottom, var(--blue-light), transparent);
  animation: scrollAnim 2s ease-in-out infinite;
}

@keyframes scrollAnim {
  0%, 100% { opacity: 1; transform: scaleY(1) translateY(0); }
  50% { opacity: 0.4; transform: scaleY(0.8) translateY(10px); }
}

/* ---- Marquee ---- */
.marquee-wrapper {
  background: var(--gradient-blue);
  padding: 14px 0;
  overflow: hidden;
  position: relative;
  z-index: 2;
}

.marquee-track {
  overflow: hidden;
}

.marquee-content {
  display: inline-flex;
  align-items: center;
  gap: 20px;
  white-space: nowrap;
  animation: marquee 30s linear infinite;
  font-size: 0.9rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
}

.marquee-content .sep {
  color: rgba(255, 255, 255, 0.4);
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ---- Sections ---- */
.section {
  padding: 100px 0;
  position: relative;
}

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

.container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-flex;
  padding: 6px 16px;
  border-radius: 50px;
  border: 1px solid rgba(0, 212, 255, 0.3);
  background: rgba(0, 212, 255, 0.05);
  font-size: 0.8rem;
  color: var(--blue-light);
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-title {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  color: white;
  line-height: 1.2;
  letter-spacing: -0.5px;
}

.section-desc {
  margin-top: 16px;
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

.text-gradient {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.about-visual {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.about-img-wrapper {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: visible;
}

.about-img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  border-radius: var(--radius-xl);
  display: block;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--dark-border);
}

.about-experience-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: var(--gradient-blue);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 30px rgba(0, 102, 255, 0.4);
  text-align: center;
}

.exp-num {
  font-family: 'Outfit', sans-serif;
  font-size: 1.6rem;
  font-weight: 800;
  color: white;
  line-height: 1;
}

.exp-text {
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.85);
  text-align: center;
  line-height: 1.3;
}

.about-feature-cards {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 20px;
}

.feat-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--gradient-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius);
  transition: var(--transition);
}

.feat-card:hover {
  border-color: rgba(0, 212, 255, 0.3);
  transform: translateX(4px);
}

.feat-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.feat-icon.blue { background: rgba(0, 102, 255, 0.15); border: 1px solid rgba(0, 102, 255, 0.2); }
.feat-icon.cyan { background: rgba(0, 229, 255, 0.1); border: 1px solid rgba(0, 229, 255, 0.2); }

.feat-title { font-weight: 600; font-size: 0.9rem; color: white; }
.feat-sub { font-size: 0.78rem; color: var(--text-muted); margin-top: 2px; }

.about-content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.about-desc {
  color: var(--text-muted);
  line-height: 1.8;
  font-size: 0.97rem;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.about-feat-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
}

.check-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--gradient-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: white;
  font-weight: 700;
  flex-shrink: 0;
}

.about-certs {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.cert-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 16px 20px;
  background: var(--gradient-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius);
  min-width: 80px;
  transition: var(--transition);
}

.cert-badge:hover {
  border-color: rgba(0, 212, 255, 0.3);
  transform: translateY(-3px);
}

.cert-logo {
  font-family: 'Outfit', sans-serif;
  font-size: 1.1rem;
  font-weight: 800;
  background: var(--gradient-blue);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.cert-badge span {
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* ---- Services ---- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  position: relative;
  padding: 32px 28px;
  background: var(--gradient-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 16px;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-main);
  opacity: 0;
  transition: var(--transition);
  z-index: 0;
}

.service-card:hover {
  border-color: rgba(0, 102, 255, 0.4);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 30px rgba(0, 102, 255, 0.15);
}

.service-card > * { position: relative; z-index: 1; }

.featured-card {
  border-color: rgba(0, 212, 255, 0.4);
  background: linear-gradient(145deg, rgba(0, 212, 255, 0.08), rgba(0, 102, 255, 0.06));
  box-shadow: 0 0 40px rgba(0, 212, 255, 0.1);
}

.featured-label {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 4px 12px;
  border-radius: 50px;
  background: var(--gradient-blue);
  font-size: 0.72rem;
  font-weight: 700;
  color: white;
  letter-spacing: 0.5px;
  z-index: 2;
}

.service-icon-wrap {
  width: 64px;
  height: 64px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.blue-glow { background: rgba(0, 102, 255, 0.15); border: 1px solid rgba(0, 102, 255, 0.25); box-shadow: 0 0 20px rgba(0, 102, 255, 0.1); }
.cyan-glow { background: rgba(0, 229, 255, 0.1); border: 1px solid rgba(0, 229, 255, 0.25); box-shadow: 0 0 20px rgba(0, 229, 255, 0.1); }
.purple-glow { background: rgba(139, 92, 246, 0.1); border: 1px solid rgba(139, 92, 246, 0.25); box-shadow: 0 0 20px rgba(139, 92, 246, 0.1); }
.green-glow { background: rgba(16, 185, 129, 0.1); border: 1px solid rgba(16, 185, 129, 0.25); box-shadow: 0 0 20px rgba(16, 185, 129, 0.1); }
.orange-glow { background: rgba(245, 158, 11, 0.1); border: 1px solid rgba(245, 158, 11, 0.25); box-shadow: 0 0 20px rgba(245, 158, 11, 0.1); }
.red-glow { background: rgba(239, 68, 68, 0.1); border: 1px solid rgba(239, 68, 68, 0.25); box-shadow: 0 0 20px rgba(239, 68, 68, 0.1); }

.service-icon { font-size: 1.8rem; }

.service-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: white;
}

.service-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
  flex: 1;
}

.service-features {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.service-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.75);
}

.service-features li::before {
  content: '→';
  color: var(--blue-light);
  font-weight: 600;
  flex-shrink: 0;
}

.service-btn {
  display: inline-flex;
  padding: 10px 0;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--blue-light);
  transition: var(--transition);
  border-bottom: 1px solid transparent;
}

.service-btn:hover {
  color: white;
  border-bottom-color: var(--blue-light);
  padding-left: 4px;
}

.featured-btn {
  display: inline-flex;
  padding: 12px 20px;
  border-radius: 50px;
  background: var(--gradient-blue);
  color: white;
  font-size: 0.88rem;
  font-weight: 600;
  border-bottom: none;
  box-shadow: 0 4px 20px rgba(0, 102, 255, 0.4);
}

.featured-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 102, 255, 0.5);
  border-bottom: none;
  padding-left: 20px;
}

/* ---- Products ---- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.product-card {
  background: var(--gradient-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.product-card:hover {
  border-color: rgba(0, 102, 255, 0.3);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.featured-product {
  border-color: rgba(0, 212, 255, 0.4);
  box-shadow: 0 0 40px rgba(0, 212, 255, 0.1);
  transform: scale(1.03);
}

.featured-product:hover {
  transform: scale(1.03) translateY(-6px);
}

.product-img-wrap {
  position: relative;
  background: linear-gradient(135deg, rgba(0, 20, 60, 0.9), rgba(0, 50, 100, 0.7));
  padding: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 220px;
}

.product-img {
  height: 160px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 10px 30px rgba(0, 102, 255, 0.4));
  transition: var(--transition);
}

.featured-img {
  height: 180px;
  filter: drop-shadow(0 10px 40px rgba(0, 212, 255, 0.5));
}

.product-card:hover .product-img {
  transform: scale(1.05) translateY(-5px);
}

.product-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 12px;
  border-radius: 50px;
  background: rgba(239, 68, 68, 0.9);
  font-size: 0.72rem;
  font-weight: 700;
  color: white;
  backdrop-filter: blur(10px);
}

.popular-badge {
  background: var(--gradient-blue);
}

.product-info {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.product-size {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--blue-light);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.product-name {
  font-family: 'Outfit', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: white;
}

.product-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.product-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.spec {
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--dark-border);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.product-price {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--dark-border);
}

.price-label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.price-amount {
  font-family: 'Outfit', sans-serif;
  font-size: 1.3rem;
  font-weight: 800;
  background: var(--gradient-blue);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.product-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  border-radius: var(--radius-sm);
  background: rgba(0, 102, 255, 0.15);
  border: 1px solid rgba(0, 102, 255, 0.3);
  color: var(--blue-light);
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition);
}

.product-btn:hover {
  background: var(--gradient-blue);
  border-color: transparent;
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 102, 255, 0.4);
}

.featured-product-btn {
  background: var(--gradient-blue);
  border-color: transparent;
  color: white;
}

/* ---- Pricing ---- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: center;
}

.pricing-card {
  position: relative;
  padding: 36px 28px;
  background: var(--gradient-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.pricing-card:hover {
  border-color: rgba(0, 102, 255, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.featured-pricing {
  border-color: rgba(0, 212, 255, 0.4);
  background: linear-gradient(145deg, rgba(0, 212, 255, 0.08), rgba(0, 102, 255, 0.06));
  box-shadow: 0 0 50px rgba(0, 102, 255, 0.15);
  transform: scale(1.04);
}

.featured-pricing:hover {
  transform: scale(1.04) translateY(-4px);
}

.pricing-popular {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 20px;
  border-radius: 50px;
  background: var(--gradient-blue);
  font-size: 0.75rem;
  font-weight: 700;
  color: white;
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(0, 102, 255, 0.4);
}

.pricing-header {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pricing-plan {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--blue-light);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.pricing-price {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  line-height: 1;
}

.price-currency {
  font-size: 1.1rem;
  font-weight: 700;
  color: white;
  margin-bottom: 6px;
}

.price-num {
  font-family: 'Outfit', sans-serif;
  font-size: 2.4rem;
  font-weight: 800;
  color: white;
  letter-spacing: -1px;
}

.price-unit {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.pricing-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.pricing-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
}

.feat-yes {
  color: rgba(255, 255, 255, 0.85);
}

.feat-yes::before {
  content: '✓';
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.2);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #10b981;
  font-size: 0.7rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.feat-no {
  color: var(--text-muted);
  text-decoration: line-through;
  opacity: 0.5;
}

.feat-no::before {
  content: '✕';
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: #ef4444;
  font-size: 0.65rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.pricing-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(0, 102, 255, 0.3);
  color: var(--blue-light);
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition);
  background: rgba(0, 102, 255, 0.1);
}

.pricing-btn:hover {
  background: var(--gradient-blue);
  border-color: transparent;
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 102, 255, 0.4);
}

.featured-pricing-btn {
  background: var(--gradient-blue);
  border-color: transparent;
  color: white;
  box-shadow: 0 4px 20px rgba(0, 102, 255, 0.4);
}

.pricing-note {
  margin-top: 40px;
  padding: 20px 28px;
  background: rgba(0, 102, 255, 0.06);
  border: 1px solid rgba(0, 102, 255, 0.15);
  border-radius: var(--radius);
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.pricing-note strong { color: var(--blue-light); }

/* ---- Testimonials ---- */
.testimonials { background: var(--dark-bg); }

.testi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testi-card {
  padding: 32px 28px;
  background: var(--gradient-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: var(--transition);
}

.testi-card:hover {
  border-color: rgba(0, 102, 255, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.testi-stars {
  color: #f59e0b;
  font-size: 1rem;
  letter-spacing: 2px;
}

.testi-text {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.8;
  font-style: italic;
  flex: 1;
}

.testi-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.author-name {
  font-weight: 600;
  font-size: 0.9rem;
  color: white;
}

.author-role {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ---- CTA Section ---- */
.cta-section {
  position: relative;
  padding: 100px 0;
  overflow: hidden;
}

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

.cta-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 80% at 50% 50%, rgba(0, 102, 255, 0.2) 0%, transparent 70%),
    var(--dark-card);
}

.cta-content {
  position: relative;
  z-index: 1;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.cta-icon {
  font-size: 3.5rem;
  filter: drop-shadow(0 0 20px rgba(0, 212, 255, 0.5));
  animation: floatCard 3s ease-in-out infinite;
}

.cta-title {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: white;
  letter-spacing: -0.5px;
}

.cta-desc {
  max-width: 500px;
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.7;
}

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

.cta-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  border-radius: 50px;
  background: var(--gradient-blue);
  color: white;
  font-size: 1rem;
  font-weight: 600;
  transition: var(--transition);
  box-shadow: 0 4px 24px rgba(0, 102, 255, 0.4);
}

.cta-btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0, 102, 255, 0.5);
}

.cta-btn-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  border-radius: 50px;
  background: linear-gradient(135deg, #25d366, #128c7e);
  color: white;
  font-size: 1rem;
  font-weight: 600;
  transition: var(--transition);
  box-shadow: 0 4px 24px rgba(37, 211, 102, 0.3);
}

.cta-btn-whatsapp:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(37, 211, 102, 0.4);
}

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

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

.contact-info-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: white;
}

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

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

.contact-icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(0, 102, 255, 0.1);
  border: 1px solid rgba(0, 102, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-light);
  flex-shrink: 0;
}

.contact-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
  margin-bottom: 4px;
}

.contact-value {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.6;
}

.contact-img-wrap {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--dark-border);
}

.contact-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}

/* Contact Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 36px;
  background: var(--gradient-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-lg);
}

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

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

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.8);
  letter-spacing: 0.3px;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 13px 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-sm);
  color: white;
  font-size: 0.9rem;
  font-family: 'Inter', sans-serif;
  transition: var(--transition);
  outline: none;
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255, 255, 255, 0.25);
}

.form-group select option {
  background: var(--dark-card);
  color: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: rgba(0, 102, 255, 0.5);
  background: rgba(0, 102, 255, 0.05);
  box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

.form-submit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px;
  border-radius: var(--radius-sm);
  background: var(--gradient-blue);
  color: white;
  font-size: 1rem;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(0, 102, 255, 0.4);
}

.form-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 36px rgba(0, 102, 255, 0.5);
}

.form-success {
  display: none;
  padding: 14px;
  border-radius: var(--radius-sm);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #10b981;
  font-size: 0.9rem;
  font-weight: 600;
  text-align: center;
  animation: fadeIn 0.4s ease;
}

.form-success.show { display: flex; align-items: center; justify-content: center; gap: 8px; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---- Footer ---- */
.footer {
  background: var(--dark-card);
  border-top: 1px solid var(--dark-border);
  padding: 60px 0 30px;
}

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

.footer-logo {
  margin-bottom: 16px;
  display: flex;
}

.footer-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 24px;
}

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

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--dark-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: var(--transition);
}

.social-link:hover {
  background: var(--gradient-blue);
  border-color: transparent;
  color: white;
  transform: translateY(-3px);
}

.footer-links h4 {
  font-size: 0.85rem;
  font-weight: 700;
  color: white;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

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

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

.footer-links li a:hover {
  color: var(--blue-light);
  padding-left: 4px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 28px;
  border-top: 1px solid var(--dark-border);
  font-size: 0.82rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 8px;
}

/* ---- Back to Top ---- */
.back-to-top {
  position: fixed;
  bottom: 100px;
  right: 24px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--gradient-blue);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 900;
  transition: var(--transition);
  opacity: 0;
  visibility: hidden;
  box-shadow: 0 4px 20px rgba(0, 102, 255, 0.4);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(0, 102, 255, 0.5);
}

/* ---- WhatsApp Float ---- */
.wa-float {
  position: fixed;
  bottom: 30px;
  right: 24px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, #25d366, #128c7e);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 901;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
}

.wa-float:hover {
  transform: scale(1.1) translateY(-3px);
  box-shadow: 0 12px 36px rgba(37, 211, 102, 0.5);
}

.wa-pulse {
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid rgba(37, 211, 102, 0.4);
  animation: waPulse 2s ease-in-out infinite;
}

@keyframes waPulse {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.15); opacity: 0; }
}

/* ---- Scroll Animations ---- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ---- Responsive ---- */
@media (max-width: 1100px) {
  .hero-container { grid-template-columns: 1fr; gap: 40px; min-height: auto; padding: 40px 24px 60px; }
  .hero-visual { display: none; }
  .hero-content { align-items: center; text-align: center; }
  .hero-stats { justify-content: center; }
  .hero-actions { justify-content: center; }
  .hero-badge { align-self: center; }
  .hero-desc { text-align: center; }

  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .featured-product { transform: none; }
  .featured-product:hover { transform: translateY(-6px); }

  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; position: fixed; top: 72px; left: 0; right: 0; bottom: 0; background: rgba(4, 11, 26, 0.98); backdrop-filter: blur(20px); flex-direction: column; align-items: center; justify-content: center; gap: 12px; z-index: 999; }
  .nav-links.open { display: flex; }
  .nav-link { font-size: 1.2rem; padding: 14px 28px; }
  .nav-phone { display: none; }
  .hamburger { display: flex; }
  .hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .hamburger.active span:nth-child(2) { opacity: 0; }
  .hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .section { padding: 70px 0; }
  .services-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .testi-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .featured-pricing { transform: none; }
  .featured-pricing:hover { transform: translateY(-4px); }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }

  .hero-stats { flex-direction: column; align-items: center; gap: 16px; }
  .stat-divider { width: 40px; height: 1px; }
}

@media (max-width: 480px) {
  .nav-container { padding: 0 16px; }
  .container { padding: 0 16px; }
  .hero-title { font-size: 2rem; }
  .btn-primary { display: none; }
  .hero-actions { flex-direction: column; width: 100%; }
  .btn-hero-primary, .btn-hero-secondary { width: 100%; justify-content: center; }
}