/* ============================================================
   AppStello Labs - Main Stylesheet
   Author: AppStello Labs
   Version: 1.0
   ============================================================ */

/* ---- CSS Variables ---- */
:root {
  --primary: #1a6dff;
  --primary-dark: #0d4fd6;
  --primary-light: #4d8eff;
  --secondary: #0a1628;
  --accent: #00d4ff;
  --gradient: linear-gradient(135deg, #1a6dff 0%, #00d4ff 100%);
  --gradient-dark: linear-gradient(135deg, #0d4fd6 0%, #0094b3 100%);
  --text-dark: #0a1628;
  --text-body: #3d4f6e;
  --text-light: #6b7fa3;
  --text-white: #ffffff;
  --bg-light: #f4f7ff;
  --bg-white: #ffffff;
  --border: #e0e8ff;
  --shadow-sm: 0 2px 12px rgba(26, 109, 255, 0.08);
  --shadow-md: 0 8px 32px rgba(26, 109, 255, 0.15);
  --shadow-lg: 0 20px 60px rgba(26, 109, 255, 0.2);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Poppins', sans-serif;
}

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

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

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

a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; border: none; outline: none; font-family: var(--font-body); }

/* ---- Page Loader ---- */
#page-loader {
  position: fixed;
  inset: 0;
  background: var(--secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}
#page-loader.loaded { opacity: 0; visibility: hidden; }
.loader-inner {
  text-align: center;
}
.loader-logo {
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.5px;
  margin-bottom: 24px;
}
.loader-logo span { color: var(--accent); }
.loader-bar {
  width: 200px;
  height: 3px;
  background: rgba(255,255,255,0.1);
  border-radius: 99px;
  overflow: hidden;
  margin: 0 auto;
}
.loader-bar-fill {
  height: 100%;
  background: var(--gradient);
  border-radius: 99px;
  animation: loaderFill 1.2s ease forwards;
}
@keyframes loaderFill { from { width: 0; } to { width: 100%; } }

/* ---- Scroll To Top ---- */
#scroll-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  background: var(--gradient);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
}
#scroll-top.visible { opacity: 1; visibility: visible; }
#scroll-top:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

/* ---- Navbar ---- */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: var(--transition);
}
#navbar.scrolled {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(20px);
  padding: 12px 0;
  box-shadow: 0 4px 30px rgba(26,109,255,0.1);
}
.nav-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.5px;
  transition: var(--transition);
}
#navbar.scrolled .nav-logo { color: var(--secondary); }
.nav-logo span { color: var(--accent); }
#navbar.scrolled .nav-logo span { color: var(--primary); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-links a {
  padding: 8px 16px;
  border-radius: 8px;
  font-weight: 500;
  font-size: 0.95rem;
  color: rgba(255,255,255,0.9);
  transition: var(--transition);
}
#navbar.scrolled .nav-links a { color: var(--text-body); }
.nav-links a:hover, .nav-links a.active { color: var(--accent); background: rgba(0,212,255,0.1); }
#navbar.scrolled .nav-links a:hover, #navbar.scrolled .nav-links a.active { color: var(--primary); background: rgba(26,109,255,0.08); }
.nav-cta {
  background: var(--gradient) !important;
  color: #fff !important;
  padding: 10px 22px !important;
  border-radius: 8px !important;
  box-shadow: 0 4px 15px rgba(26,109,255,0.3);
}
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(26,109,255,0.4) !important; }
#navbar.scrolled .nav-cta { color: #fff !important; }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  cursor: pointer;
  background: none;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: var(--transition);
}
#navbar.scrolled .hamburger span { background: var(--secondary); }
.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 {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--secondary);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-size: 1.4rem;
  font-weight: 600;
  color: rgba(255,255,255,0.8);
  padding: 12px 32px;
  border-radius: 12px;
  transition: var(--transition);
}
.mobile-menu a:hover { color: #fff; background: rgba(255,255,255,0.05); }
.mobile-close {
  position: absolute;
  top: 24px;
  right: 24px;
  background: none;
  color: #fff;
  font-size: 1.5rem;
  padding: 8px;
}

/* ---- Section Utilities ---- */
.section { padding: 96px 0; }
.section-alt { background: var(--bg-light); }
.container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }
.section-header { text-align: center; margin-bottom: 64px; }
.section-badge {
  display: inline-block;
  background: rgba(26,109,255,0.08);
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 6px 18px;
  border-radius: 99px;
  margin-bottom: 16px;
  border: 1px solid rgba(26,109,255,0.15);
}
.section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.2;
  margin-bottom: 16px;
}
.section-title span { color: var(--primary); }
.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
}
.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 4px 20px rgba(26,109,255,0.35);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 10px 35px rgba(26,109,255,0.45); color: #fff; }
.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.5);
}
.btn-outline:hover { background: rgba(255,255,255,0.1); border-color: #fff; color: #fff; }
.btn-outline-dark {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}
.btn-outline-dark:hover { background: var(--primary); color: #fff; }
.btn-white {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}
.btn-white:hover { transform: translateY(-3px); box-shadow: 0 10px 35px rgba(0,0,0,0.15); }

/* ---- Fade-in Animation ---- */
.fade-in { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }
.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }

/* ============================================================
   HOME PAGE - HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, #0a1628 0%, #0d3070 50%, #0a1d4a 100%);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 120px 0 80px;
}
.hero::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(26,109,255,0.3) 0%, transparent 70%);
  top: -100px;
  right: -100px;
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0,212,255,0.15) 0%, transparent 70%);
  bottom: -50px;
  left: 10%;
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 8px 18px;
  border-radius: 99px;
  margin-bottom: 24px;
}
.hero-badge i { font-size: 0.7rem; }
.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -1px;
}
.hero-title span {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.7);
  margin-bottom: 40px;
  max-width: 480px;
  line-height: 1.8;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; }
.hero-stats { display: flex; gap: 40px; }
.hero-stat-num {
  font-size: 1.8rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
}
.hero-stat-label { font-size: 0.85rem; color: rgba(255,255,255,0.5); margin-top: 4px; }

/* Hero Visual */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-mockup {
  width: 100%;
  max-width: 480px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 40px 80px rgba(0,0,0,0.4);
}
.mockup-bar {
  background: rgba(255,255,255,0.06);
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.mockup-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.mockup-dot:nth-child(1) { background: #ff5f57; }
.mockup-dot:nth-child(2) { background: #febc2e; }
.mockup-dot:nth-child(3) { background: #28c840; }
.mockup-url {
  flex: 1;
  background: rgba(255,255,255,0.05);
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.4);
  margin-left: 8px;
}
.mockup-body {
  padding: 24px;
  min-height: 280px;
}
.mockup-header-bar {
  height: 10px;
  background: var(--gradient);
  border-radius: 4px;
  margin-bottom: 20px;
  width: 60%;
}
.mockup-lines { display: flex; flex-direction: column; gap: 10px; }
.mockup-line {
  height: 8px;
  background: rgba(255,255,255,0.08);
  border-radius: 4px;
}
.mockup-line.short { width: 45%; }
.mockup-line.medium { width: 70%; }
.mockup-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 20px;
}
.mockup-card {
  background: rgba(26,109,255,0.15);
  border: 1px solid rgba(26,109,255,0.2);
  border-radius: 10px;
  padding: 14px;
  height: 70px;
}
.mockup-card-icon {
  width: 24px;
  height: 24px;
  background: var(--gradient);
  border-radius: 6px;
  margin-bottom: 8px;
}
.mockup-card-line {
  height: 6px;
  background: rgba(255,255,255,0.15);
  border-radius: 3px;
  width: 70%;
}

/* Floating badges */
.hero-float {
  position: absolute;
  background: rgba(255,255,255,0.95);
  border-radius: 12px;
  padding: 12px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.2);
  animation: floatAnim 3s ease-in-out infinite;
}
.hero-float-1 { top: 30px; right: -20px; animation-delay: 0s; }
.hero-float-2 { bottom: 60px; left: -20px; animation-delay: 1.5s; }
.hero-float-icon { width: 36px; height: 36px; border-radius: 8px; background: var(--gradient); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 1rem; flex-shrink: 0; }
.hero-float-text strong { display: block; font-size: 0.85rem; font-weight: 700; color: var(--text-dark); }
.hero-float-text span { font-size: 0.75rem; color: var(--text-light); }
@keyframes floatAnim { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

/* ============================================================
   SERVICES OVERVIEW (Home)
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
}
.service-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient);
  transform: scaleX(0);
  transition: var(--transition);
}
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: transparent; }
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
  width: 64px;
  height: 64px;
  background: rgba(26,109,255,0.08);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--primary);
  margin-bottom: 24px;
  transition: var(--transition);
}
.service-card:hover .service-icon { background: var(--gradient); color: #fff; transform: scale(1.1); }
.service-card h3 { font-size: 1.2rem; font-weight: 700; color: var(--text-dark); margin-bottom: 12px; }
.service-card p { font-size: 0.95rem; color: var(--text-light); line-height: 1.7; margin-bottom: 20px; }
.service-link { font-size: 0.9rem; font-weight: 600; color: var(--primary); display: flex; align-items: center; gap: 6px; }
.service-link:hover { gap: 10px; }

/* ============================================================
   WHY CHOOSE US
   ============================================================ */
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.why-feature {
  display: flex;
  gap: 20px;
  margin-bottom: 32px;
}
.why-feature:last-child { margin-bottom: 0; }
.why-feature-icon {
  width: 52px;
  height: 52px;
  background: rgba(26,109,255,0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--primary);
  flex-shrink: 0;
  transition: var(--transition);
}
.why-feature:hover .why-feature-icon { background: var(--gradient); color: #fff; }
.why-feature h4 { font-size: 1.05rem; font-weight: 700; color: var(--text-dark); margin-bottom: 6px; }
.why-feature p { font-size: 0.9rem; color: var(--text-light); }
.why-visual {
  background: linear-gradient(135deg, #0a1628, #0d3070);
  border-radius: var(--radius-lg);
  padding: 40px;
  position: relative;
  overflow: hidden;
}
.why-visual::before {
  content: '';
  position: absolute;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(0,212,255,0.15) 0%, transparent 70%);
  top: -50px; right: -50px;
}
.counter-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; position: relative; z-index: 1; }
.counter-item {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 16px;
  padding: 24px;
  text-align: center;
  transition: var(--transition);
}
.counter-item:hover { background: rgba(255,255,255,0.1); transform: scale(1.03); }
.counter-number {
  font-size: 2.4rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
  margin-bottom: 6px;
}
.counter-number span { color: var(--accent); }
.counter-label { font-size: 0.85rem; color: rgba(255,255,255,0.6); }

/* ============================================================
   FEATURED PROJECTS
   ============================================================ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
}
.project-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.project-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: transparent; }
.project-img {
  position: relative;
  height: 220px;
  overflow: hidden;
  background: linear-gradient(135deg, #1a2a4a, #0d3070);
  display: flex;
  align-items: center;
  justify-content: center;
}
.project-img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.3);
}
.project-img-placeholder i { font-size: 3rem; margin-bottom: 12px; }
.project-img-placeholder span { font-size: 0.85rem; }
.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(26,109,255,0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}
.project-card:hover .project-overlay { opacity: 1; }
.project-overlay a { color: #fff; font-size: 2rem; }
.project-info { padding: 24px; }
.project-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--primary);
  background: rgba(26,109,255,0.08);
  padding: 4px 12px;
  border-radius: 99px;
  margin-bottom: 10px;
}
.project-info h3 { font-size: 1.1rem; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
.project-info p { font-size: 0.9rem; color: var(--text-light); }

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testimonials-section { background: linear-gradient(135deg, #0a1628, #0d3070); }
.testimonials-section .section-badge { background: rgba(255,255,255,0.1); color: var(--accent); border-color: rgba(255,255,255,0.15); }
.testimonials-section .section-title { color: #fff; }
.testimonials-section .section-subtitle { color: rgba(255,255,255,0.6); }
.testimonial-slider { position: relative; overflow: hidden; }
.testimonial-track { display: flex; transition: transform 0.5s cubic-bezier(0.4,0,0.2,1); }
.testimonial-slide {
  min-width: 100%;
  padding: 0 40px;
}
.testimonial-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 48px;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}
.testimonial-stars { color: #fbbf24; font-size: 1.1rem; margin-bottom: 24px; letter-spacing: 2px; }
.testimonial-text {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.85);
  line-height: 1.8;
  font-style: italic;
  margin-bottom: 32px;
}
.testimonial-author { display: flex; align-items: center; justify-content: center; gap: 16px; }
.testimonial-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: #fff;
  font-weight: 700;
}
.testimonial-name { font-weight: 700; color: #fff; font-size: 1rem; }
.testimonial-role { font-size: 0.85rem; color: rgba(255,255,255,0.5); }
.slider-nav { display: flex; align-items: center; justify-content: center; gap: 16px; margin-top: 40px; }
.slider-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  color: #fff;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.slider-btn:hover { background: var(--primary); border-color: var(--primary); }
.slider-dots { display: flex; gap: 8px; }
.slider-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  transition: var(--transition);
  cursor: pointer;
}
.slider-dot.active { background: var(--accent); width: 24px; border-radius: 4px; }

/* ============================================================
   CTA BANNER
   ============================================================ */
.cta-banner {
  background: var(--gradient);
  border-radius: var(--radius-lg);
  padding: 64px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  width: 400px; height: 400px;
  background: rgba(255,255,255,0.06);
  border-radius: 50%;
  top: -150px; right: -100px;
}
.cta-banner::after {
  content: '';
  position: absolute;
  width: 300px; height: 300px;
  background: rgba(255,255,255,0.04);
  border-radius: 50%;
  bottom: -100px; left: -80px;
}
.cta-banner h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  position: relative; z-index: 1;
}
.cta-banner p { color: rgba(255,255,255,0.8); font-size: 1.1rem; margin-bottom: 32px; position: relative; z-index: 1; }
.cta-banner .cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; position: relative; z-index: 1; }

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  background: #060e1e;
  color: rgba(255,255,255,0.7);
  padding: 80px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 64px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.footer-brand .nav-logo { color: #fff; font-size: 1.6rem; display: inline-block; margin-bottom: 16px; }
.footer-brand p { font-size: 0.9rem; line-height: 1.8; max-width: 280px; color: rgba(255,255,255,0.5); }
.footer-social { display: flex; gap: 12px; margin-top: 24px; }
.social-btn {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  font-size: 0.95rem;
}
.social-btn:hover { background: var(--primary); color: #fff; transform: translateY(-3px); }
.footer-col h4 { font-size: 0.95rem; font-weight: 700; color: #fff; margin-bottom: 20px; letter-spacing: 0.5px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 0.9rem; color: rgba(255,255,255,0.5); transition: var(--transition); }
.footer-col ul li a:hover { color: #fff; padding-left: 4px; }
.footer-contact-item { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 16px; }
.footer-contact-item i { color: var(--accent); margin-top: 3px; font-size: 0.9rem; flex-shrink: 0; }
.footer-contact-item span { font-size: 0.9rem; color: rgba(255,255,255,0.5); }
.footer-bottom {
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p { font-size: 0.85rem; color: rgba(255,255,255,0.35); }
.footer-bottom a { color: var(--accent); }

/* ============================================================
   PAGE HERO (Inner Pages)
   ============================================================ */
.page-hero {
  background: linear-gradient(135deg, #0a1628, #0d3070);
  padding: 160px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(26,109,255,0.25) 0%, transparent 70%);
  top: -100px; right: -100px;
}
.page-hero-title {
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  position: relative; z-index: 1;
}
.page-hero-title span { color: var(--accent); }
.page-hero-subtitle {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.65);
  max-width: 560px;
  margin: 0 auto 24px;
  position: relative; z-index: 1;
}
.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.4);
  position: relative; z-index: 1;
}
.breadcrumb a { color: var(--accent); }
.breadcrumb i { font-size: 0.7rem; }

/* ============================================================
   ABOUT PAGE
   ============================================================ */
.about-intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about-image {
  position: relative;
}
.about-image-main {
  width: 100%;
  border-radius: var(--radius-lg);
  height: 420px;
  background: linear-gradient(135deg, #0a1628, #1a6dff);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  color: rgba(255,255,255,0.2);
  position: relative;
  overflow: hidden;
}
.about-image-main::after {
  content: 'AppStello Labs';
  position: absolute;
  bottom: 24px; left: 24px;
  font-size: 1.2rem;
  font-weight: 700;
  color: rgba(255,255,255,0.9);
}
.about-badge-float {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--gradient);
  border-radius: 16px;
  padding: 20px 28px;
  text-align: center;
  box-shadow: var(--shadow-lg);
}
.about-badge-float strong { display: block; font-size: 2rem; font-weight: 800; color: #fff; }
.about-badge-float span { font-size: 0.8rem; color: rgba(255,255,255,0.8); }
.about-content .section-badge { text-align: left; display: inline-block; }
.about-content .section-title { text-align: left; }
.about-content p { margin-bottom: 16px; }
.about-list { margin: 24px 0; }
.about-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 0.95rem;
  color: var(--text-body);
}
.about-list li i { color: var(--primary); margin-top: 3px; flex-shrink: 0; }

/* Mission Vision */
.mv-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.mv-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  transition: var(--transition);
}
.mv-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.mv-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: #fff;
  margin-bottom: 20px;
}
.mv-card h3 { font-size: 1.3rem; font-weight: 700; color: var(--text-dark); margin-bottom: 12px; }
.mv-card p { font-size: 0.95rem; color: var(--text-light); line-height: 1.8; }

/* Team */
.team-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 28px; }
.team-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-align: center;
  transition: var(--transition);
}
.team-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: transparent; }
.team-photo {
  height: 200px;
  background: linear-gradient(135deg, #1a2a4a, #1a6dff);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
  color: rgba(255,255,255,0.4);
  position: relative;
  overflow: hidden;
}
.team-photo-initials {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  border: 3px solid rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  font-weight: 700;
  color: #fff;
}
.team-info { padding: 24px; }
.team-info h4 { font-size: 1.05rem; font-weight: 700; color: var(--text-dark); margin-bottom: 4px; }
.team-role { font-size: 0.85rem; color: var(--primary); font-weight: 600; margin-bottom: 12px; }
.team-info p { font-size: 0.875rem; color: var(--text-light); }
.team-social { display: flex; justify-content: center; gap: 10px; margin-top: 16px; }
.team-social a {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: var(--bg-light);
  color: var(--text-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  transition: var(--transition);
}
.team-social a:hover { background: var(--primary); color: #fff; }

/* ============================================================
   SERVICES PAGE
   ============================================================ */
.services-detailed-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}
.service-detail-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: var(--transition);
  position: relative;
}
.service-detail-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-8px); border-color: var(--primary); }
.service-detail-num {
  position: absolute;
  top: 32px;
  right: 32px;
  font-size: 3rem;
  font-weight: 800;
  color: rgba(26,109,255,0.06);
  line-height: 1;
}
.service-detail-icon {
  width: 70px;
  height: 70px;
  background: var(--gradient);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: #fff;
  margin-bottom: 24px;
  transition: var(--transition);
}
.service-detail-card:hover .service-detail-icon { transform: scale(1.1) rotate(5deg); }
.service-detail-card h3 { font-size: 1.25rem; font-weight: 700; color: var(--text-dark); margin-bottom: 12px; }
.service-detail-card p { font-size: 0.95rem; color: var(--text-light); line-height: 1.8; margin-bottom: 20px; }
.service-features { display: flex; flex-direction: column; gap: 8px; }
.service-features li { display: flex; align-items: center; gap: 10px; font-size: 0.9rem; color: var(--text-body); }
.service-features li i { color: var(--primary); font-size: 0.75rem; }
.service-process { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 0; position: relative; }
.process-step {
  text-align: center;
  padding: 32px 24px;
  position: relative;
}
.process-step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 56px;
  right: -16px;
  width: 32px;
  height: 2px;
  background: var(--border);
  z-index: 0;
}
.process-num {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 800;
  color: #fff;
  margin: 0 auto 16px;
  box-shadow: 0 8px 24px rgba(26,109,255,0.3);
  position: relative;
  z-index: 1;
}
.process-step h4 { font-size: 1rem; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
.process-step p { font-size: 0.875rem; color: var(--text-light); }

/* ============================================================
   PORTFOLIO PAGE
   ============================================================ */
.filter-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.filter-btn {
  padding: 10px 24px;
  border-radius: 99px;
  font-size: 0.9rem;
  font-weight: 600;
  background: var(--bg-white);
  color: var(--text-body);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.filter-btn:hover, .filter-btn.active { background: var(--gradient); color: #fff; border-color: transparent; box-shadow: 0 4px 15px rgba(26,109,255,0.3); }
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
}
.portfolio-item { transition: var(--transition); }
.portfolio-item.hidden { display: none; }
.portfolio-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}
.portfolio-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: transparent; }
.portfolio-img {
  height: 240px;
  position: relative;
  overflow: hidden;
}
.portfolio-img-bg {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 12px;
  color: rgba(255,255,255,0.4);
}
.portfolio-img-bg i { font-size: 3rem; }
.portfolio-img-bg span { font-size: 0.85rem; font-weight: 600; letter-spacing: 1px; }
.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10,22,40,0.85);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  opacity: 0;
  transition: var(--transition);
}
.portfolio-card:hover .portfolio-overlay { opacity: 1; }
.portfolio-overlay-title { font-size: 1.2rem; font-weight: 700; color: #fff; }
.portfolio-overlay-links { display: flex; gap: 12px; }
.portfolio-overlay-links a {
  width: 42px; height: 42px;
  border-radius: 10px;
  background: rgba(255,255,255,0.1);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  border: 1px solid rgba(255,255,255,0.2);
  transition: var(--transition);
}
.portfolio-overlay-links a:hover { background: var(--primary); border-color: var(--primary); }
.portfolio-info { padding: 24px; }
.portfolio-cat {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--primary);
  margin-bottom: 8px;
}
.portfolio-info h3 { font-size: 1.1rem; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
.portfolio-info p { font-size: 0.875rem; color: var(--text-light); }

/* ============================================================
   CONTACT PAGE
   ============================================================ */
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 48px; }
.contact-info-card {
  background: linear-gradient(135deg, #0a1628, #0d3070);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.contact-info-card::before {
  content: '';
  position: absolute;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(0,212,255,0.1) 0%, transparent 70%);
  top: -80px; right: -80px;
}
.contact-info-card h3 { font-size: 1.6rem; font-weight: 700; margin-bottom: 12px; }
.contact-info-card > p { color: rgba(255,255,255,0.6); margin-bottom: 40px; font-size: 0.95rem; }
.contact-item { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 28px; position: relative; z-index: 1; }
.contact-item-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--accent);
  flex-shrink: 0;
}
.contact-item h5 { font-size: 0.8rem; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; color: rgba(255,255,255,0.4); margin-bottom: 4px; }
.contact-item p { font-size: 0.95rem; color: rgba(255,255,255,0.85); }
.whatsapp-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #25d366;
  color: #fff !important;
  padding: 14px 28px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 0.95rem;
  margin-top: 8px;
  transition: var(--transition);
  width: 100%;
  justify-content: center;
  position: relative; z-index: 1;
}
.whatsapp-btn:hover { background: #1aab52; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(37,211,102,0.3); }
.contact-form-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
}
.contact-form-card h3 { font-size: 1.5rem; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
.contact-form-card > p { color: var(--text-light); margin-bottom: 32px; font-size: 0.95rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.875rem; font-weight: 600; color: var(--text-dark); margin-bottom: 8px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 14px 18px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-dark);
  background: var(--bg-white);
  transition: var(--transition);
  outline: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26,109,255,0.1);
}
.form-group input.error, .form-group textarea.error { border-color: #ef4444; }
.form-group .error-msg { font-size: 0.8rem; color: #ef4444; margin-top: 6px; display: none; }
.form-group textarea { resize: vertical; min-height: 140px; }
.form-submit { width: 100%; padding: 16px; font-size: 1rem; }
.success-msg {
  display: none;
  background: rgba(34,197,94,0.1);
  border: 1px solid rgba(34,197,94,0.3);
  border-radius: 10px;
  padding: 16px 20px;
  color: #16a34a;
  font-weight: 600;
  text-align: center;
  margin-top: 16px;
}
.map-section { padding: 80px 0 0; }
.map-container {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  height: 400px;
  background: var(--bg-light);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 16px;
  color: var(--text-light);
}
.map-container i { font-size: 3rem; color: var(--primary); }
.map-container p { font-size: 1rem; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { display: none; }
  .why-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .about-intro-grid { grid-template-columns: 1fr; }
  .about-image { order: -1; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .section { padding: 72px 0; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .hero { padding: 100px 0 64px; }
  .hero-stats { gap: 28px; }
  .mv-grid { grid-template-columns: 1fr; }
  .process-step:not(:last-child)::after { display: none; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-banner { padding: 40px 24px; }
  .testimonial-slide { padding: 0 12px; }
  .testimonial-card { padding: 32px 24px; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .counter-grid { grid-template-columns: 1fr 1fr; }
  .contact-form-card { padding: 32px 24px; }
  .contact-info-card { padding: 32px 24px; }
}