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

:root {
  --primary: #0f172a;
  --primary-light: #1e293b;
  --accent: #00f2fe;
  --accent-glow: #0ea5e9;
  --dark: #050811;
  --dark-2: #0b0f19;
  --dark-3: #1e293b;
  --surface: #0e1626;
  --surface-2: #1c273a;
  --text: #f8fafc;
  --text-muted: #94a3b8;
  --gold: #f59e0b;
  --gold-light: #fcd34d;
  --gradient-1: linear-gradient(135deg, #00f2fe 0%, #0ea5e9 50%, #2563eb 100%);
  --gradient-2: linear-gradient(135deg, #050811 0%, #0e1626 100%);
  --gradient-hero: linear-gradient(135deg, rgba(5,8,17,0.96) 0%, rgba(15,22,38,0.88) 100%);
  --shadow: 0 4px 30px rgba(0,0,0,0.4);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.5);
  --radius: 16px;
  --radius-sm: 8px;
  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--dark);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.7;
}

h1, h2, h3, h4, h5, h6 { font-family: 'Outfit', sans-serif; line-height: 1.2; }

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

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 16px 0;
  background: rgba(10, 15, 26, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(59, 141, 212, 0.1);
  transition: var(--transition);
}
.navbar.scrolled {
  padding: 10px 0;
  background: rgba(10, 15, 26, 0.95);
  border-bottom: 1px solid rgba(59, 141, 212, 0.25);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1200px; margin: 0 auto; padding: 0 20px;
}
.nav-logo { display: flex; align-items: center; gap: 12px; }
.nav-logo img { height: 44px; width: auto; border-radius: 6px; }
.nav-logo span {
  font-family: 'Outfit', sans-serif; font-weight: 700; font-size: 1.4rem;
  background: linear-gradient(135deg, var(--accent-glow), var(--gold-light));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-links { display: flex; gap: 8px; align-items: center; }
.nav-links a {
  padding: 8px 18px; border-radius: 8px; font-weight: 500; font-size: 0.9rem;
  color: var(--text-muted); transition: var(--transition); position: relative;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--text); background: rgba(59, 141, 212, 0.12);
}
.nav-cta {
  background: var(--gradient-1) !important; color: #050811 !important;
  padding: 10px 24px !important; border-radius: 10px !important;
  font-weight: 700 !important; box-shadow: 0 4px 20px rgba(0, 242, 254, 0.35);
}
.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(0, 242, 254, 0.55) !important;
  filter: brightness(1.1);
}

.hamburger {
  display: none; flex-direction: column; gap: 5px; cursor: pointer;
  background: none; border: none; padding: 8px;
}
.hamburger span {
  width: 26px; height: 2.5px; background: var(--text); border-radius: 4px;
  transition: var(--transition);
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== HERO ===== */
.hero {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
  padding: 120px 0 60px;
}
.hero-bg {
  position: absolute; inset: 0;
  background: url('unnamed (2).webp') center/cover no-repeat;
}
.hero-bg::after {
  content: ''; position: absolute; inset: 0;
  background: var(--gradient-hero);
}
.hero-particles {
  position: absolute; inset: 0; overflow: hidden; z-index: 1;
}
.particle {
  position: absolute; border-radius: 50%;
  background: radial-gradient(circle, rgba(59,141,212,0.3), transparent);
  animation: particleFloat 8s infinite ease-in-out;
}
@keyframes particleFloat {
  0%, 100% { transform: translateY(0) scale(1); opacity: 0.3; }
  50% { transform: translateY(-40px) scale(1.2); opacity: 0.7; }
}
.hero-content {
  position: relative; z-index: 2; text-align: center;
  padding: 0 20px; max-width: 900px;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 20px; border-radius: 50px;
  background: rgba(0, 242, 254, 0.1); border: 1px solid rgba(0, 242, 254, 0.25);
  font-size: 0.85rem; color: var(--accent); font-weight: 600;
  margin-bottom: 16px; backdrop-filter: blur(10px);
}
.hero-badge::before {
  content: ''; width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent); animation: pulse 2s infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

.hero-promo-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 24px; border-radius: 50px;
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.15) 0%, rgba(255, 94, 98, 0.15) 100%);
  border: 1px solid rgba(255, 94, 98, 0.35);
  font-size: 0.9rem; color: #ff5e62; font-weight: 700;
  margin-bottom: 30px; backdrop-filter: blur(10px);
  animation: promoPulse 2s infinite ease-in-out;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
@keyframes promoPulse {
  0%, 100% { box-shadow: 0 0 15px rgba(255, 94, 98, 0.15); border-color: rgba(255, 94, 98, 0.3); }
  50% { box-shadow: 0 0 25px rgba(255, 94, 98, 0.35); border-color: rgba(255, 94, 98, 0.6); }
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem); font-weight: 800;
  margin-bottom: 20px; letter-spacing: -0.02em;
}
.hero h1 .highlight {
  background: linear-gradient(135deg, var(--accent), var(--gold-light));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p {
  font-size: clamp(1rem, 2vw, 1.2rem); color: var(--text-muted);
  max-width: 600px; margin: 0 auto 36px;
}
.hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 12px; }
.hero-subtext {
  font-size: 0.85rem; color: var(--gold-light); font-weight: 500;
  margin-top: 8px; margin-bottom: 36px; opacity: 0.9;
}
.btn {
  padding: 14px 32px; border-radius: 12px; font-weight: 600;
  font-size: 1rem; cursor: pointer; border: none;
  transition: var(--transition); display: inline-flex; align-items: center; gap: 8px;
  font-family: 'Inter', sans-serif;
}
.btn-primary {
  background: var(--gradient-1); color: #050811;
  box-shadow: 0 4px 25px rgba(0, 242, 254, 0.4);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 35px rgba(0, 242, 254, 0.65);
  filter: brightness(1.15);
}
.btn-outline {
  background: transparent; color: var(--text);
  border: 2px solid rgba(255,255,255,0.2);
}
.btn-outline:hover {
  border-color: var(--accent); background: rgba(0, 242, 254, 0.08);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 242, 254, 0.15);
}
.hero-stats {
  display: flex; gap: 48px; justify-content: center; margin-top: 60px;
  padding-top: 40px; border-top: 1px solid rgba(255,255,255,0.08);
}
.stat { text-align: center; }
.stat-number {
  font-family: 'Outfit', sans-serif; font-size: 2.5rem; font-weight: 800;
  background: linear-gradient(135deg, var(--accent-glow), var(--gold-light));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label { font-size: 0.85rem; color: var(--text-muted); margin-top: 4px; }

/* ===== SECTIONS ===== */
.section { padding: 100px 0; position: relative; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-tag {
  display: inline-block; padding: 6px 16px; border-radius: 50px;
  background: rgba(59, 141, 212, 0.12); border: 1px solid rgba(59, 141, 212, 0.2);
  font-size: 0.8rem; color: var(--accent-glow); font-weight: 600;
  text-transform: uppercase; letter-spacing: 2px; margin-bottom: 16px;
}
.section-title {
  font-size: clamp(2rem, 4vw, 3rem); font-weight: 800;
  margin-bottom: 16px;
}
.section-title .accent { color: var(--accent-glow); }
.section-desc { color: var(--text-muted); max-width: 600px; margin: 0 auto; font-size: 1.05rem; }

/* ===== ABOUT ===== */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-image {
  position: relative; border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about-image img { width: 100%; height: 450px; object-fit: cover; }
.about-image::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(0,242,254,0.15), transparent);
}
.about-badge {
  position: absolute; bottom: 20px; left: 20px; z-index: 2;
  background: rgba(10, 15, 26, 0.85); backdrop-filter: blur(10px);
  padding: 12px 20px; border-radius: 12px;
  border: 1px solid rgba(0,242,254,0.25);
}
.about-badge .number { font-size: 1.8rem; font-weight: 800; color: var(--accent); }
.about-badge .label { font-size: 0.75rem; color: var(--text-muted); }
.about-text h3 { font-size: 1.6rem; margin-bottom: 16px; }
.about-text p { color: var(--text-muted); margin-bottom: 20px; }
.about-features { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 30px; }
.about-feature {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 18px; background: var(--surface);
  border-radius: var(--radius-sm); border: 1px solid rgba(255,255,255,0.05);
  transition: var(--transition);
}
.about-feature:hover { border-color: rgba(0,242,254,0.3); transform: translateY(-2px); }
.about-feature .icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: rgba(0,242,254,0.12); display: flex; align-items: center;
  justify-content: center; font-size: 1.2rem; flex-shrink: 0;
}
.about-feature span { font-size: 0.9rem; font-weight: 500; }

/* ===== SERVICES ===== */
.services-bg { background: var(--gradient-2); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card {
  background: var(--surface); border-radius: var(--radius);
  padding: 36px 28px; border: 1px solid rgba(255,255,255,0.05);
  transition: var(--transition); position: relative; overflow: hidden;
}
.service-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--gradient-1); opacity: 0; transition: var(--transition);
}
.service-card:hover {
  transform: translateY(-8px); border-color: rgba(0,242,254,0.3);
  box-shadow: 0 15px 35px rgba(0,242,254,0.15);
}
.service-card:hover::before { opacity: 1; }
.service-icon {
  width: 64px; height: 64px; border-radius: 16px;
  background: rgba(0,242,254,0.12); display: flex; align-items: center;
  justify-content: center; font-size: 1.8rem; margin-bottom: 20px;
}
.service-card h3 { font-size: 1.3rem; margin-bottom: 12px; }
.service-card p { color: var(--text-muted); font-size: 0.95rem; }
.service-list {
  list-style: none; padding: 0; margin: 12px 0 0 0;
  display: flex; flex-direction: column; gap: 8px;
}
.service-list li {
  color: var(--text-muted); font-size: 0.92rem;
  display: flex; align-items: center; gap: 8px;
}
.service-list li::before {
  content: '✦'; color: #00f2fe; font-size: 0.8rem;
}

/* ===== PROJECTS ===== */
.projects-filter {
  display: flex; gap: 8px; justify-content: center; margin-bottom: 40px; flex-wrap: wrap;
}
.filter-btn {
  padding: 8px 20px; border-radius: 50px; border: 1px solid rgba(255,255,255,0.1);
  background: transparent; color: var(--text-muted); font-size: 0.9rem;
  cursor: pointer; transition: var(--transition); font-family: 'Inter', sans-serif;
}
.filter-btn.active, .filter-btn:hover {
  background: var(--accent); color: #fff; border-color: var(--accent);
}
.projects-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.project-card {
  position: relative; border-radius: var(--radius); overflow: hidden;
  cursor: pointer; aspect-ratio: 4/3;
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease, border-color 0.4s ease;
}
.project-card:hover {
  transform: translateY(-6px);
  border-color: rgba(59, 141, 212, 0.35);
  box-shadow: 0 20px 40px rgba(59, 141, 212, 0.22);
}
.project-card img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.project-card:hover img { transform: scale(1.08); }
.project-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(5, 8, 15, 0.95) 0%, rgba(5, 8, 15, 0.4) 60%, transparent 100%);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 24px; opacity: 0; transition: opacity 0.4s ease;
}
.project-card:hover .project-overlay { opacity: 1; }
.project-overlay::before {
  content: '+'; position: absolute; top: 40%; left: 50%; transform: translate(-50%, -50%) scale(0.6);
  width: 48px; height: 48px; border-radius: 50%; background: var(--accent);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem; font-weight: 300; opacity: 0;
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.4s ease;
}
.project-card:hover .project-overlay::before {
  opacity: 1; transform: translate(-50%, -50%) scale(1);
}
.project-overlay h4 {
  font-family: 'Outfit', sans-serif; font-size: 1.15rem; font-weight: 700; margin-bottom: 4px;
  transform: translateY(15px); transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.project-overlay span {
  font-size: 0.85rem; color: var(--accent-glow); font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.5px; transform: translateY(15px); transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1) 0.05s;
}
.project-card:hover .project-overlay h4,
.project-card:hover .project-overlay span {
  transform: translateY(0);
}

/* ===== PROJECT DETAIL MODAL ===== */
.project-modal {
  position: fixed; inset: 0; z-index: 99999;
  display: none; align-items: center; justify-content: center;
  padding: 16px;
  overflow: hidden;
}
.project-modal.active { display: flex; }
.modal-backdrop {
  position: absolute; inset: 0;
  background: rgba(5, 8, 15, 0.85); backdrop-filter: blur(15px);
  cursor: pointer;
}
.modal-wrapper {
  position: relative; z-index: 2; width: 100%; max-width: 1000px;
  max-height: 88vh; background: var(--surface);
  border: 1px solid rgba(255,255,255,0.08); border-radius: 24px;
  overflow: hidden; box-shadow: 0 30px 70px rgba(0,0,0,0.6);
  display: flex; animation: modalZoomIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
@keyframes modalZoomIn {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}
.modal-close {
  position: absolute; top: 20px; right: 20px; z-index: 10;
  font-size: 1.8rem; color: #fff; cursor: pointer;
  background: rgba(255,255,255,0.15); border: 1px solid rgba(255,255,255,0.25);
  width: 44px; height: 44px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  backdrop-filter: blur(8px);
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(0,0,0,0.4);
}
.modal-close:hover {
  background: var(--accent); border-color: var(--accent); transform: rotate(90deg);
}
.modal-body { display: flex; width: 100%; max-height: 88vh; }
.modal-image-pane {
  position: relative; flex: 1.2; background: #020617;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; min-height: 380px;
}
.modal-image-pane img {
  width: 100%; height: 100%; object-fit: cover;
}
.modal-nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  font-size: 2.2rem; color: #fff; cursor: pointer;
  background: rgba(10, 15, 26, 0.6); border: 1px solid rgba(255,255,255,0.1);
  width: 48px; height: 48px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  backdrop-filter: blur(8px); transition: var(--transition); z-index: 3;
}
.modal-nav:hover { background: var(--accent); border-color: var(--accent); }
.modal-prev { left: 20px; }
.modal-next { right: 20px; }

.modal-info-pane {
  flex: 0.8; padding: 40px; display: flex; flex-direction: column;
  justify-content: center; background: linear-gradient(135deg, var(--surface), rgba(15,22,38,0.95));
  border-left: 1px solid rgba(255,255,255,0.05); overflow-y: auto;
}
.modal-tag {
  display: inline-block; align-self: flex-start; padding: 6px 14px;
  border-radius: 50px; background: rgba(59, 141, 212, 0.1);
  border: 1px solid rgba(59, 141, 212, 0.2); font-size: 0.75rem;
  color: var(--accent-glow); font-weight: 700; text-transform: uppercase;
  margin-bottom: 16px; letter-spacing: 1px;
}
.modal-info-pane h3 {
  font-family: 'Outfit', sans-serif; font-size: 1.6rem; font-weight: 800;
  color: #fff; margin-bottom: 12px; line-height: 1.3;
}
.modal-info-pane p {
  font-size: 0.95rem; color: var(--text-muted); line-height: 1.6;
  margin-bottom: 24px;
}
.modal-specs {
  display: flex; flex-direction: column; gap: 10px;
  border-top: 1px solid rgba(255,255,255,0.06); padding-top: 18px;
  margin-bottom: 24px;
}
.spec-item {
  display: flex; justify-content: space-between; font-size: 0.85rem;
}
.spec-label { color: var(--text-muted); font-weight: 500; }
.spec-value { color: var(--text); font-weight: 600; text-align: right; }
.modal-cta {
  display: flex; align-items: center; justify-content: center;
  gap: 8px; width: 100%; padding: 14px; border-radius: 12px;
  font-weight: 700;
}

@media (max-width: 768px) {
  .modal-wrapper {
    flex-direction: column;
    max-height: 90vh;
    border-radius: 20px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  .modal-body {
    flex-direction: column;
    max-height: none;
  }
  .modal-image-pane {
    flex: none;
    height: 220px;
    min-height: auto;
  }
  .modal-info-pane {
    flex: none;
    padding: 20px 20px 30px;
    border-left: none;
    border-top: 1px solid rgba(255,255,255,0.05);
    overflow-y: visible;
  }
  .modal-info-pane h3 {
    font-size: 1.35rem;
    margin-bottom: 8px;
  }
  .modal-info-pane p {
    font-size: 0.88rem;
    margin-bottom: 16px;
  }
  .modal-specs {
    margin-bottom: 20px;
    padding-top: 14px;
    gap: 8px;
  }
  .spec-item {
    font-size: 0.82rem;
  }
  .modal-close {
    top: 10px;
    right: 10px;
    width: 36px;
    height: 36px;
    font-size: 1.3rem;
  }
  .modal-nav {
    width: 36px;
    height: 36px;
    font-size: 1.4rem;
  }
  .modal-prev { left: 10px; }
  .modal-next { right: 10px; }
}

/* ===== WHY US ===== */
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.why-card {
  text-align: center; padding: 40px 24px; background: var(--surface);
  border-radius: var(--radius); border: 1px solid rgba(255,255,255,0.05);
  transition: var(--transition);
}
.why-card:hover {
  transform: translateY(-6px); border-color: rgba(0,242,254,0.3);
  box-shadow: 0 15px 35px rgba(0,242,254,0.15);
}
.why-icon {
  width: 72px; height: 72px; border-radius: 20px; margin: 0 auto 20px;
  background: rgba(0,242,254,0.1); display: flex; align-items: center;
  justify-content: center; font-size: 2rem;
}
.why-card h4 { font-size: 1.1rem; margin-bottom: 8px; }
.why-card p { font-size: 0.9rem; color: var(--text-muted); }

/* ===== CONTACT ===== */
.contact-bg { background: var(--gradient-2); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.contact-info { display: flex; flex-direction: column; gap: 24px; }
.contact-card {
  display: flex; gap: 16px; padding: 24px; background: var(--surface);
  border-radius: var(--radius); border: 1px solid rgba(255,255,255,0.05);
  transition: var(--transition);
}
.contact-card:hover { border-color: rgba(0,242,254,0.3); transform: translateX(4px); }
.contact-card .icon {
  width: 52px; height: 52px; border-radius: 14px;
  background: rgba(0,242,254,0.12); display: flex; align-items: center;
  justify-content: center; font-size: 1.4rem; flex-shrink: 0;
}
.contact-card h4 { font-size: 1rem; margin-bottom: 4px; }
.contact-card p { font-size: 0.9rem; color: var(--text-muted); }
.contact-card a { color: var(--accent-glow); transition: var(--transition); }
.contact-card a:hover { color: var(--gold-light); }

.contact-form {
  background: var(--surface); padding: 36px; border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.05);
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block; font-size: 0.85rem; font-weight: 500;
  color: var(--text-muted); margin-bottom: 8px;
}
.form-group input, .form-group textarea {
  width: 100%; padding: 14px 18px; background: var(--dark-2);
  border: 1px solid rgba(255,255,255,0.08); border-radius: 10px;
  color: var(--text); font-size: 1rem; font-family: 'Inter', sans-serif;
  transition: var(--transition); outline: none;
}
.form-group input:focus, .form-group textarea:focus {
  border-color: var(--accent); box-shadow: 0 0 0 3px rgba(59,141,212,0.15);
}
.form-group textarea { min-height: 130px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.btn-submit {
  width: 100%; padding: 16px; background: var(--gradient-1); color: #050811;
  border: none; border-radius: 12px; font-size: 1rem; font-weight: 700;
  cursor: pointer; font-family: 'Inter', sans-serif; transition: var(--transition);
  box-shadow: 0 4px 25px rgba(0, 242, 254, 0.35);
}
.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 242, 254, 0.65);
  filter: brightness(1.15);
}

/* ===== MAP ===== */
.map-section { padding: 0; }
.map-container {
  width: 100%; height: 400px; border-radius: 0;
  overflow: hidden; position: relative;
}
.map-container iframe { width: 100%; height: 100%; border: none; }

/* ===== FOOTER ===== */
.footer {
  background: var(--dark-2); padding: 60px 0 0;
  border-top: 1px solid rgba(255,255,255,0.05);
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px; padding-bottom: 40px;
}
.footer-brand p { color: var(--text-muted); margin-top: 16px; font-size: 0.9rem; line-height: 1.8; }
.footer-col h4 {
  font-size: 1rem; margin-bottom: 20px; color: var(--accent-glow);
}
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: var(--text-muted); font-size: 0.9rem; transition: var(--transition); }
.footer-col a:hover { color: var(--text); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: 20px 0; text-align: center;
  color: var(--text-muted); font-size: 0.85rem;
}

/* ===== WHATSAPP BUTTON ===== */
.whatsapp-btn {
  position: fixed; bottom: 24px; right: 24px; z-index: 999;
  width: 60px; height: 60px; border-radius: 50%;
  background: #25D366; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  transition: var(--transition); animation: whatsappPulse 2s infinite;
}
.whatsapp-btn:hover { transform: scale(1.1); box-shadow: 0 6px 30px rgba(37,211,102,0.6); }
.whatsapp-btn svg { width: 32px; height: 32px; fill: #fff; }
@keyframes whatsappPulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(37,211,102,0.4); }
  50% { box-shadow: 0 4px 30px rgba(37,211,102,0.7), 0 0 0 10px rgba(37,211,102,0.1); }
}

/* ===== SCROLL ANIMATIONS ===== */
.reveal {
  opacity: 0; transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== BACK TO TOP ===== */
.back-to-top {
  position: fixed; bottom: 24px; left: 24px; z-index: 999;
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--surface-2); border: 1px solid rgba(0,242,254,0.2);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; opacity: 0; visibility: hidden;
  transition: var(--transition); font-size: 1.2rem; color: var(--accent);
}
.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover { background: var(--accent); color: #050811; transform: translateY(-3px); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-links {
    position: fixed; top: 0; right: -100%; width: 75%; max-width: 320px;
    height: 100vh; background: var(--dark-2); flex-direction: column;
    padding: 80px 30px 30px; gap: 4px; transition: var(--transition);
    border-left: 1px solid rgba(0,242,254,0.15);
  }
  .nav-links.open { right: 0; }
  .nav-links a { padding: 14px 20px; width: 100%; border-radius: 10px; font-size: 1rem; }
  .hamburger { display: flex; }
  .hero-stats { gap: 24px; }
  .stat-number { font-size: 1.8rem; }
  .about-grid { grid-template-columns: 1fr; gap: 30px; }
  .about-image img { height: 300px; }
  .services-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; text-align: center; }
  .form-row { grid-template-columns: 1fr; }
  .section { padding: 60px 0; }
}
@media (max-width: 480px) {
  .hero-stats { flex-direction: column; gap: 16px; }
  .projects-grid { grid-template-columns: 1fr; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .btn { width: 100%; justify-content: center; }
  .lightbox-nav { width: 44px; height: 44px; font-size: 1.5rem; }
}

/* ===== MOBILE OVERLAY ===== */
.nav-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.6);
  z-index: 998; opacity: 0; visibility: hidden;
  transition: var(--transition);
}
.nav-overlay.open { opacity: 1; visibility: visible; }

/* ===== PREMIUM SCROLLBAR ===== */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--dark);
}
::-webkit-scrollbar-thumb {
  background: var(--surface-2);
  border-radius: 4px;
  border: 1px solid var(--dark);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

/* ===== PRELOADER ===== */
#preloader {
  position: fixed; inset: 0; z-index: 99999;
  background: var(--dark);
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
.preloader-content {
  text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 20px;
}
.preloader-logo {
  height: 80px; width: auto; border-radius: 12px;
  animation: logoPulse 2s infinite ease-in-out;
}
.preloader-bar {
  width: 160px; height: 3px; background: rgba(255,255,255,0.05);
  border-radius: 10px; overflow: hidden;
}
.preloader-progress {
  width: 0%; height: 100%;
  background: var(--gradient-1);
  border-radius: 10px;
  animation: preloaderProgress 2.5s cubic-bezier(0.65, 0.05, 0.36, 1) forwards;
}
.preloader-text {
  font-family: 'Outfit', sans-serif;
  font-size: 1.5rem; font-weight: 800; letter-spacing: 2px;
  background: linear-gradient(135deg, var(--accent-glow), var(--gold-light));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0; animation: preloaderText 1s ease 1s forwards;
}
@keyframes logoPulse {
  0%, 100% { transform: scale(1); filter: drop-shadow(0 0 10px rgba(0,242,254,0)); }
  50% { transform: scale(1.05); filter: drop-shadow(0 0 20px rgba(0,242,254,0.4)); }
}
@keyframes preloaderProgress {
  0% { width: 0%; }
  35% { width: 45%; }
  65% { width: 75%; }
  100% { width: 100%; }
}
@keyframes preloaderText {
  to { opacity: 1; transform: translateY(0); }
}

/* ===== LANGUAGE SELECTOR ===== */
.lang-selector {
  position: relative; margin-left: 12px;
}
.lang-btn {
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1);
  padding: 8px 14px; border-radius: 8px; color: var(--text);
  font-size: 0.85rem; font-weight: 600; cursor: pointer;
  display: flex; align-items: center; gap: 6px; transition: var(--transition);
  font-family: 'Inter', sans-serif;
}
.lang-btn:hover {
  background: rgba(0, 242, 254, 0.15); border-color: rgba(0, 242, 254, 0.3);
}
.lang-btn .chevron {
  font-size: 0.6rem; color: var(--text-muted); transition: transform 0.3s;
}
.lang-selector.open .lang-btn .chevron {
  transform: rotate(180deg);
}
.lang-dropdown {
  position: absolute; top: calc(100% + 8px); right: 0;
  background: var(--surface); border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px; width: 130px; padding: 6px;
  box-shadow: var(--shadow-lg); opacity: 0; visibility: hidden;
  transform: translateY(10px); transition: var(--transition); z-index: 1001;
}
.lang-selector.open .lang-dropdown {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.lang-opt {
  display: block; padding: 8px 12px; border-radius: 6px;
  font-size: 0.85rem; font-weight: 500; color: var(--text-muted);
  transition: var(--transition);
}
.lang-opt:hover, .lang-opt.active {
  color: var(--text); background: rgba(255,255,255,0.05);
}

/* ===== SOLUTION PARTNERS MARQUEE ===== */
.partners-section {
  padding: 60px 0; background: var(--dark); border-bottom: 1px solid rgba(255,255,255,0.03);
}
.partners-marquee {
  overflow: hidden; width: 100%; display: flex;
  position: relative;
  mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
}
.marquee-track {
  display: flex; width: max-content; gap: 40px;
  animation: marquee 25s linear infinite;
}
.partner-logo {
  padding: 16px 32px; height: 70px; display: flex; align-items: center; justify-content: center;
  background: var(--surface); border-radius: 12px; border: 1px solid rgba(255,255,255,0.03);
  transition: var(--transition); user-select: none;
}
.partner-logo span {
  font-family: 'Outfit', sans-serif; font-weight: 800; font-size: 1.1rem;
  letter-spacing: 1px; color: var(--text-muted); opacity: 0.6; transition: var(--transition);
}
.partner-logo:hover {
  border-color: rgba(0, 242, 254, 0.35); transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0,242,254,0.15);
}
.partner-logo:hover span {
  color: var(--accent); opacity: 1;
}
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(calc(-50% - 20px)); }
}

/* ===== FAQ ACCORDION ===== */
.faq-section { background: var(--gradient-2); }
.faq-grid {
  max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px;
}
.faq-item {
  background: var(--surface); border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.05); overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover {
  border-color: rgba(0, 242, 254, 0.25);
}
.faq-trigger {
  width: 100%; display: flex; justify-content: space-between; align-items: center;
  padding: 20px 24px; background: none; border: none; outline: none;
  cursor: pointer; text-align: left; font-family: 'Outfit', sans-serif;
  font-size: 1.05rem; font-weight: 600; color: var(--text);
  transition: var(--transition);
}
.faq-trigger:hover {
  color: var(--accent);
}
.faq-icon-arrow {
  font-size: 1.3rem; font-weight: 400; color: var(--accent);
  transition: transform 0.3s ease;
}
.faq-item.active .faq-icon-arrow {
  transform: rotate(45deg);
}
.faq-content {
  max-height: 0; overflow: hidden; transition: max-height 0.4s ease-out;
  padding: 0 24px;
}
.faq-item.active .faq-content {
  max-height: 200px; padding-bottom: 20px;
}
.faq-content p {
  color: var(--text-muted); font-size: 0.95rem; line-height: 1.6;
}


/* ===== SUCCESS MODAL ===== */
.success-modal {
  position: fixed; inset: 0; z-index: 99999;
  background: rgba(5,8,17,0.95); backdrop-filter: blur(10px);
  display: none; align-items: center; justify-content: center;
  opacity: 0; transition: opacity 0.3s ease;
}
.success-modal.active {
  display: flex; opacity: 1;
}
.success-modal-content {
  background: var(--surface); border: 1px solid rgba(0,242,254,0.25);
  border-radius: 20px; padding: 40px; text-align: center;
  max-width: 420px; width: 90%; box-shadow: var(--shadow-lg);
  transform: scale(0.9); transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.success-modal.active .success-modal-content {
  transform: scale(1);
}
.success-icon-circle {
  width: 80px; height: 80px; border-radius: 50%;
  background: rgba(37,211,102,0.15); display: flex; align-items: center;
  justify-content: center; margin: 0 auto 24px;
}
.success-modal h3 {
  font-size: 1.5rem; font-weight: 700; margin-bottom: 12px;
}
.success-modal p {
  color: var(--text-muted); font-size: 0.95rem; margin-bottom: 24px;
  line-height: 1.6;
}

/* CHECKMARK ANIMATION */
.checkmark {
  width: 44px; height: 44px; border-radius: 50%; display: block; stroke-width: 3;
  stroke: #25D366; stroke-miterlimit: 10; box-shadow: inset 0px 0px 0px #25D366;
  animation: fill .4s ease-in-out .4s forwards, scale .3s ease-in-out .9s forwards;
}
.checkmark__circle {
  stroke-dasharray: 166; stroke-dashoffset: 166; stroke-width: 3;
  stroke-miterlimit: 10; stroke: #25D366; fill: none;
  animation: stroke 0.6s cubic-bezier(0.65, 0, 0.45, 1) forwards;
}
.checkmark__check {
  transform-origin: 50% 50%; stroke-dasharray: 48; stroke-dashoffset: 48;
  animation: stroke 0.3s cubic-bezier(0.65, 0, 0.45, 1) 0.8s forwards;
}
@keyframes stroke { 100% { stroke-dashoffset: 0; } }
@keyframes scale { 0%, 100% { transform: none; } 50% { transform: scale3d(1.1, 1.1, 1); } }
@keyframes fill { 100% { box-shadow: inset 0px 0px 0px 30px rgba(37,211,102,0.1); } }

/* ===== ADVANCED DYNAMIC BORDER GLOW ===== */
.service-card, .why-card, .contact-card, .contact-form, .about-feature {
  position: relative;
}
.service-card::after, .why-card::after, .contact-card::after, .contact-form::after, .about-feature::after {
  content: ''; position: absolute; inset: -1px; border-radius: inherit;
  background: radial-gradient(300px circle at var(--x, 0px) var(--y, 0px), rgba(59, 141, 212, 0.2), transparent 80%);
  pointer-events: none; z-index: 1; opacity: 0; transition: opacity 0.5s;
}
.service-card:hover::after, .why-card:hover::after, .contact-card:hover::after, .contact-form:hover::after, .about-feature:hover::after {
  opacity: 1;
}

@media (max-width: 768px) {
  .lang-selector {
    margin-left: 0; margin-top: 12px; width: 100%;
  }
  .lang-btn {
    width: 100%; justify-content: space-between;
  }
  .lang-dropdown {
    width: 100%; position: static; box-shadow: none; opacity: 1; visibility: visible;
    transform: none; background: transparent; border: none; padding: 0; height: 0; overflow: hidden;
  }
  .lang-selector.open .lang-dropdown {
    height: auto; margin-top: 4px; padding-left: 10px;
  }
  .marquee-track {
    gap: 20px;
  }
  .partner-logo {
    padding: 10px 20px; height: 50px;
  }
  .partner-logo span {
    font-size: 0.85rem;
  }
}