/* ===== VARIABLES ===== */
:root {
  --primary: #1a56db;
  --primary-dark: #0b3d91;
  --primary-light: #3b82f6;
  --primary-subtle: #eff6ff;
  --accent: #7c3aed;
  --accent-light: #a78bfa;
  --dark: #0f172a;
  --gray-800: #1e293b;
  --gray-600: #475569;
  --gray-400: #94a3b8;
  --gray-200: #e2e8f0;
  --white: #ffffff;
  --shadow-sm: 0 4px 24px rgba(0,0,0,0.06);
  --shadow-md: 0 8px 40px rgba(0,0,0,0.08);
  --shadow-lg: 0 16px 60px rgba(0,0,0,0.12);
  --shadow-glow: 0 0 40px rgba(26,86,219,0.15);
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ===== RESET ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', sans-serif;
  background: var(--white);
  color: var(--gray-800);
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }

.container { width: 90%; max-width: 1200px; margin: auto; position: relative; }

/* ===== UTILITY ===== */
.gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.bg-subtle { background: var(--primary-subtle); }

/* ===== REVEAL ===== */
.reveal { opacity: 0; transform: translateY(40px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-left { opacity: 0; transform: translateX(-50px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal-left.visible { opacity: 1; transform: translateX(0); }
.reveal-right { opacity: 0; transform: translateX(50px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal-right.visible { opacity: 1; transform: translateX(0); }
.reveal-scale { opacity: 0; transform: scale(0.9); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal-scale.visible { opacity: 1; transform: scale(1); }

/* ===== NAVBAR ===== */
nav {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  padding: 18px 0; transition: var(--transition);
}
nav.scrolled {
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
  box-shadow: 0 1px 30px rgba(0,0,0,0.06); padding: 12px 0;
}
nav .container { display: flex; justify-content: space-between; align-items: center; }

.logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem; font-weight: 700; color: var(--primary);
  letter-spacing: -0.5px;
}
.logo span { color: var(--dark); }

.nav-links { display: flex; gap: 28px; list-style: none; align-items: center; }
.nav-links a {
  font-size: 0.85rem; font-weight: 500; color: var(--gray-600);
  transition: var(--transition); position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 2px; background: var(--primary);
  transition: var(--transition); border-radius: 2px;
}
.nav-links a:hover { color: var(--primary); }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
  background: var(--primary); color: var(--white) !important;
  padding: 8px 22px; border-radius: 50px; font-weight: 600;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover { background: var(--primary-dark) !important; transform: translateY(-2px); }

.hamburger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; background: none; border: none; padding: 4px;
}
.hamburger span { width: 26px; height: 2.5px; background: var(--gray-800); border-radius: 4px; transition: var(--transition); }

/* ===== HERO ===== */
header {
  min-height: 100vh; display: flex; align-items: center;
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, #f0f7ff 0%, #eef2ff 40%, #f5f0ff 70%, #f0f7ff 100%);
  padding-top: 80px;
}

.hero-bg { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.gradient-orb {
  position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.25;
}
.orb-1 { width: 500px; height: 500px; background: var(--primary-light); top: -150px; right: -100px; animation: orb-float 12s ease-in-out infinite; }
.orb-2 { width: 400px; height: 400px; background: var(--accent); bottom: -120px; left: -80px; animation: orb-float 15s ease-in-out infinite reverse; }
.orb-3 { width: 250px; height: 250px; background: #06b6d4; top: 40%; left: 30%; animation: orb-float 10s ease-in-out infinite 3s; }

@keyframes orb-float {
  0%, 100% { transform: translate(0,0) scale(1); }
  50% { transform: translate(20px, -20px) scale(1.05); }
}

.grid-lines {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(26,86,219,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26,86,219,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; position: relative; z-index: 2; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(26,86,219,0.06);
  border: 1px solid rgba(26,86,219,0.12);
  padding: 6px 18px 6px 8px; border-radius: 50px;
  font-size: 0.78rem; font-weight: 500; color: var(--primary); margin-bottom: 20px;
  font-family: 'Space Grotesk', sans-serif;
}
.hero-badge .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: #22c55e; animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-content h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 3.8rem; font-weight: 800; line-height: 1.1;
  color: var(--dark); margin-bottom: 12px;
}

.hero-tagline {
  font-size: 1.1rem; color: var(--gray-600);
  margin-bottom: 10px; font-weight: 400;
}
.hero-tagline strong { color: var(--dark); }

.hero-desc {
  color: var(--gray-600); font-size: 0.95rem;
  max-width: 520px; margin-bottom: 28px;
}

.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 30px; border-radius: 50px; font-weight: 600;
  font-size: 0.9rem; transition: var(--transition);
  cursor: pointer; border: none; font-family: inherit;
}
.btn-primary {
  background: var(--primary); color: var(--white);
  box-shadow: 0 4px 20px rgba(26,86,219,0.3);
}
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-3px); box-shadow: 0 8px 30px rgba(26,86,219,0.4); }
.btn-outline {
  background: transparent; color: var(--gray-800);
  border: 1.5px solid var(--gray-200);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-3px); box-shadow: var(--shadow-sm); }

.hero-metrics { display: flex; gap: 30px; margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--gray-200); }
.hero-metrics .metric { text-align: left; }
.hero-metrics .metric strong { display: block; font-size: 1.3rem; color: var(--primary); font-family: 'Space Grotesk', sans-serif; }
.hero-metrics .metric span { font-size: 0.75rem; color: var(--gray-400); text-transform: uppercase; letter-spacing: 0.5px; }

/* ===== AI GRAPHIC ===== */
.hero-visual { display: flex; justify-content: center; align-items: center; }
.ai-graphic {
  position: relative; width: 360px; height: 360px;
  display: flex; align-items: center; justify-content: center;
}
.ai-ring {
  position: absolute; inset: 5%; border-radius: 50%;
  border: 1.5px solid rgba(26,86,219,0.1);
  animation: spin 25s linear infinite;
}
.ai-ring-dashed {
  position: absolute; inset: 18%; border-radius: 50%;
  border: 1.5px dashed rgba(124,58,237,0.12);
  animation: spin 20s linear infinite reverse;
}
@keyframes spin { to { transform: rotate(360deg); } }

.ai-core {
  position: relative; z-index: 2;
  width: 120px; height: 120px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 40px rgba(26,86,219,0.2), 0 0 80px rgba(124,58,237,0.1);
  animation: pulse-core 3s ease-in-out infinite;
}
.ai-core-inner {
  width: 100px; height: 100px; border-radius: 50%;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
}
.ai-initials {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem; font-weight: 700; color: var(--white);
}

@keyframes pulse-core {
  0%, 100% { box-shadow: 0 0 40px rgba(26,86,219,0.2), 0 0 80px rgba(124,58,237,0.1); }
  50% { box-shadow: 0 0 60px rgba(26,86,219,0.3), 0 0 100px rgba(124,58,237,0.15); }
}

.ai-node {
  position: absolute; z-index: 3;
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(26,86,219,0.1);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  box-shadow: 0 4px 16px rgba(0,0,0,0.05);
  animation: float-node 4s ease-in-out infinite;
}
.ai-node.n1 { top: 2%; left: 50%; transform: translateX(-50%); animation-delay: 0s; }
.ai-node.n2 { top: 25%; right: 4%; animation-delay: 0.5s; }
.ai-node.n3 { bottom: 30%; right: 2%; animation-delay: 1s; }
.ai-node.n4 { bottom: 2%; left: 40%; animation-delay: 1.5s; }
.ai-node.n5 { bottom: 25%; left: 4%; animation-delay: 2s; }
.ai-node.n6 { top: 30%; left: 2%; animation-delay: 2.5s; }

@keyframes float-node {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.neural-lines { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 1; }

/* ===== SECTION ===== */
section { padding: 100px 0; position: relative; }

.section-head { text-align: center; margin-bottom: 60px; }
.section-label {
  display: inline-block;
  background: rgba(26,86,219,0.06);
  border: 1px solid rgba(26,86,219,0.1);
  padding: 5px 18px; border-radius: 50px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.75rem; font-weight: 600; color: var(--primary);
  text-transform: uppercase; letter-spacing: 1px; margin-bottom: 14px;
}
.section-head h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.6rem; font-weight: 700; color: var(--dark);
  margin-bottom: 12px; line-height: 1.2;
}
.section-head p { color: var(--gray-600); font-size: 1.05rem; max-width: 580px; margin: auto; }

/* ===== ABOUT ===== */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }

.about-image-wrap { position: relative; display: inline-block; }
.about-img { width: 100%; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); aspect-ratio: 4/3; object-fit: cover; }

.about-floating-card {
  position: absolute; bottom: -16px; right: -16px;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.8);
  border-radius: var(--radius-md); padding: 16px 22px;
  display: flex; align-items: center; gap: 14px;
  box-shadow: var(--shadow-md);
}
.about-floating-card .afc-icon {
  width: 44px; height: 44px; border-radius: 12px;
  background: linear-gradient(135deg, var(--primary-subtle), #ede9fe);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
}
.about-floating-card strong { display: block; font-size: 0.9rem; color: var(--dark); }
.about-floating-card span { font-size: 0.75rem; color: var(--gray-400); }

.about-content h3 { font-family: 'Space Grotesk', sans-serif; font-size: 1.8rem; color: var(--dark); margin-bottom: 16px; }
.about-content p { color: var(--gray-600); margin-bottom: 14px; }

.about-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.tag {
  background: var(--primary-subtle); color: var(--primary);
  padding: 8px 18px; border-radius: 50px;
  font-size: 0.8rem; font-weight: 500; transition: var(--transition);
  border: 1px solid transparent;
}
.tag:hover { border-color: rgba(26,86,219,0.2); transform: translateY(-2px); }

/* ===== SKILLS ===== */
.skills-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; }

.skill-card {
  background: var(--white); border-radius: var(--radius-md);
  padding: 28px 24px; box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200); transition: var(--transition);
  position: relative; overflow: hidden;
}
.skill-card::before {
  content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0); transform-origin: left; transition: var(--transition);
}
.skill-card:hover::before { transform: scaleX(1); }
.skill-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }

.skill-icon {
  width: 48px; height: 48px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; margin-bottom: 14px;
}
.skill-card h4 { font-size: 1rem; font-weight: 600; color: var(--dark); margin-bottom: 8px; }
.skill-card p { font-size: 0.85rem; color: var(--gray-600); }

/* ===== SERVICES HOME GRID ===== */
.services-grid-home {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.service-card-home {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
  text-decoration: none;
  color: inherit;
  position: relative;
  display: block;
}

.service-card-home:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(26,86,219,0.15);
}

.service-card-home .sh-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 14px;
}

.service-card-home h4 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 8px;
}

.service-card-home p {
  font-size: 0.85rem;
  color: var(--gray-600);
  margin-bottom: 0;
}

.service-card-home .sh-arrow {
  position: absolute;
  top: 24px;
  right: 24px;
  font-size: 1.2rem;
  color: var(--gray-400);
  transition: var(--transition);
}

.service-card-home:hover .sh-arrow {
  color: var(--primary);
  transform: translateX(4px);
}

/* ===== SERVICE DETAIL PAGE ===== */
.service-hero {
  min-height: 50vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #f0f7ff 0%, #eef2ff 40%, #f5f0ff 100%);
  padding-top: 100px;
}

.service-hero h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 3rem;
  font-weight: 800;
  color: var(--dark);
  line-height: 1.15;
  margin-bottom: 16px;
}

.service-hero p {
  font-size: 1.05rem;
  color: var(--gray-600);
  max-width: 600px;
}

.service-detail {
  padding: 80px 0;
}

.service-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: start;
}

.service-detail h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.6rem;
  color: var(--dark);
  margin-bottom: 16px;
}

.service-detail p {
  color: var(--gray-600);
  margin-bottom: 16px;
}

.service-tech-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.service-tech-list span {
  background: var(--primary-subtle);
  color: var(--primary);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 500;
  border: 1px solid transparent;
  transition: var(--transition);
}

.service-tech-list span:hover {
  border-color: rgba(26,86,219,0.2);
  transform: translateY(-2px);
}

.service-steps {
  counter-reset: step;
}

.service-step {
  display: flex;
  gap: 20px;
  margin-bottom: 28px;
  padding: 20px;
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}

.service-step:hover {
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.service-step .step-num {
  width: 40px;
  height: 40px;
  min-width: 40px;
  border-radius: 50%;
  background: var(--primary-subtle);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  font-family: 'Space Grotesk', sans-serif;
}

.service-step h4 {
  font-size: 1rem;
  color: var(--dark);
  margin-bottom: 4px;
}

.service-step p {
  font-size: 0.85rem;
  color: var(--gray-600);
  margin-bottom: 0;
}

.service-cta {
  text-align: center;
  padding: 60px 0;
  background: var(--primary-subtle);
  border-radius: var(--radius-lg);
  margin-top: 40px;
}

.service-cta h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.8rem;
  color: var(--dark);
  margin-bottom: 12px;
}

.service-cta p {
  color: var(--gray-600);
  margin-bottom: 24px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.service-cta .btn-group {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.service-img-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.service-img-wrap img {
  width: 100%;
  height: auto;
  aspect-ratio: 16/10;
  object-fit: cover;
}

@media (max-width: 768px) {
  .service-detail-grid {
    grid-template-columns: 1fr;
  }
  .service-hero h1 {
    font-size: 2rem;
  }
}

/* ===== ROADMAP ===== */
.roadmap { position: relative; max-width: 800px; margin: auto; }
.roadmap::before {
  content: ''; position: absolute; left: 50%; transform: translateX(-50%);
  width: 2px; height: 100%;
  background: linear-gradient(180deg, var(--primary), var(--accent), transparent);
}
.roadmap-item {
  display: flex; padding: 24px 0; position: relative; width: 50%;
}
.roadmap-item:nth-child(odd) { align-self: flex-start; justify-content: flex-start; left: 0; padding-right: 50px; }
.roadmap-item:nth-child(even) { align-self: flex-end; justify-content: flex-start; left: 50%; padding-left: 50px; }

.roadmap-item .rm-dot {
  position: absolute; width: 16px; height: 16px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 50%; top: 30px; z-index: 2;
  box-shadow: 0 0 0 4px rgba(26,86,219,0.1);
}
.roadmap-item:nth-child(odd) .rm-dot { right: -8px; }
.roadmap-item:nth-child(even) .rm-dot { left: -8px; }

.roadmap-item .rm-content {
  background: var(--white); padding: 24px; border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm); border: 1px solid var(--gray-200);
  transition: var(--transition); width: 100%;
}
.roadmap-item .rm-content:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }

.rm-phase {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.75rem; font-weight: 600; color: var(--primary);
  text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; display: block;
}
.roadmap-item .rm-content h4 { font-size: 1rem; color: var(--dark); margin-bottom: 6px; }
.roadmap-item .rm-content p { font-size: 0.85rem; color: var(--gray-600); }

/* ===== SLIDER ===== */
.slider-container {
  position: relative; overflow: hidden;
  border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
  background: var(--white);
}
.slider { display: flex; transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94); }
.slide { min-width: 100%; display: grid; grid-template-columns: 1fr 1fr; }
.slide-img { overflow: hidden; }
.slide-img img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/3; transition: transform 0.6s ease; }
.slide:hover .slide-img img { transform: scale(1.05); }
.slide-content {
  padding: 50px 40px; display: flex; flex-direction: column;
  justify-content: center; background: var(--white);
}
.slide-tag {
  display: inline-block; background: var(--primary-subtle);
  color: var(--primary); padding: 4px 14px; border-radius: 50px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.7rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.5px; margin-bottom: 12px; width: fit-content;
}
.slide-content h3 { font-family: 'Space Grotesk', sans-serif; font-size: 1.5rem; color: var(--dark); margin-bottom: 12px; }
.slide-content p { font-size: 0.9rem; color: var(--gray-600); }

.slider-controls {
  display: flex; align-items: center; justify-content: center;
  gap: 20px; padding: 16px 0 20px; background: var(--white);
  border-top: 1px solid var(--gray-200);
}
.slider-btn {
  width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--gray-200);
  background: var(--white); cursor: pointer; font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition); color: var(--gray-800);
}
.slider-btn:hover { background: var(--primary); color: var(--white); border-color: var(--primary); }
.slider-dots { display: flex; gap: 8px; }
.slider-dots .dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--gray-200); cursor: pointer; transition: var(--transition);
  border: none;
}
.slider-dots .dot.active { background: var(--primary); width: 28px; border-radius: 10px; }

/* ===== PROJECTS ===== */
.projects-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }

.project-card {
  background: var(--white); border-radius: var(--radius-md);
  overflow: hidden; box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200); transition: var(--transition);
}
.project-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.project-thumb { height: 200px; overflow: hidden; }
.project-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.project-card:hover .project-thumb img { transform: scale(1.08); }
.project-body { padding: 24px; }
.project-badge {
  display: inline-block; background: var(--primary-subtle);
  color: var(--primary); padding: 3px 12px; border-radius: 50px;
  font-size: 0.7rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.3px; margin-bottom: 10px;
}
.project-body h4 { font-size: 1.05rem; color: var(--dark); margin-bottom: 8px; }
.project-body p { font-size: 0.85rem; color: var(--gray-600); margin-bottom: 14px; }
.project-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.project-tags span {
  background: var(--primary-subtle); color: var(--primary);
  padding: 4px 12px; border-radius: 50px; font-size: 0.7rem; font-weight: 500;
}

/* ===== ACHIEVEMENTS ===== */
.achievements-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; margin-bottom: 50px; }

.ach-card {
  background: var(--white); border-radius: var(--radius-md);
  padding: 28px 24px; box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200); transition: var(--transition);
  text-align: center;
}
.ach-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.ach-icon { font-size: 2.2rem; margin-bottom: 12px; }
.ach-card h4 { font-size: 0.95rem; color: var(--dark); margin-bottom: 6px; }
.ach-card p { font-size: 0.8rem; color: var(--gray-400); }

.achievement-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
  max-width: 800px; margin: auto;
}
.achievement-stats .stat-item {
  text-align: center; padding: 24px 16px;
  background: var(--white); border-radius: var(--radius-md);
  border: 1px solid var(--gray-200); transition: var(--transition);
}
.achievement-stats .stat-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.achievement-stats .stat-item strong {
  display: block; font-family: 'Space Grotesk', sans-serif;
  font-size: 1.8rem; color: var(--primary); margin-bottom: 4px;
}
.achievement-stats .stat-item span { font-size: 0.8rem; color: var(--gray-400); }

/* ===== GOALS ===== */
.goals-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }

.goal-card {
  background: var(--white); border-radius: var(--radius-md);
  padding: 32px 28px; box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200); transition: var(--transition);
  text-align: center;
}
.goal-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.goal-icon { font-size: 2.4rem; margin-bottom: 14px; }
.goal-card h4 { font-size: 1.05rem; color: var(--dark); margin-bottom: 8px; }
.goal-card p { font-size: 0.85rem; color: var(--gray-600); }

/* ===== CONTACT ===== */
.contact-section {
  background: linear-gradient(135deg, var(--dark) 0%, #1a2744 100%);
  position: relative; overflow: hidden;
}
.contact-section::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 20% 50%, rgba(26,86,219,0.12), transparent 60%),
              radial-gradient(circle at 80% 50%, rgba(124,58,237,0.08), transparent 60%);
  pointer-events: none;
}
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; position: relative; z-index: 2; }
.contact-info h2 { font-family: 'Space Grotesk', sans-serif; font-size: 2.5rem; font-weight: 700; color: var(--white); margin-bottom: 16px; }
.contact-info p { color: rgba(255,255,255,0.65); font-size: 1rem; margin-bottom: 24px; }

.email-block {
  display: inline-flex; align-items: center; gap: 12px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 14px 24px; border-radius: 50px;
  color: var(--white); text-decoration: none; font-weight: 500;
  font-size: 1rem; transition: var(--transition);
}
.email-block:hover { background: rgba(255,255,255,0.12); transform: translateY(-2px); box-shadow: 0 0 30px rgba(59,130,246,0.15); }

.status-row { display: flex; gap: 16px; margin-top: 20px; flex-wrap: wrap; }
.status-item {
  display: flex; align-items: center; gap: 8px;
  color: rgba(255,255,255,0.65); font-size: 0.85rem;
}
.status-item .check {
  width: 20px; height: 20px; border-radius: 50%;
  background: rgba(34,197,94,0.15);
  display: flex; align-items: center; justify-content: center;
  color: #22c55e; font-size: 0.7rem;
}

.contact-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.contact-card {
  background: rgba(255,255,255,0.04);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-md); padding: 24px;
  text-align: center; transition: var(--transition);
  text-decoration: none; color: var(--white);
}
.contact-card:hover { background: rgba(255,255,255,0.1); transform: translateY(-4px); }
.contact-card .cc-icon { font-size: 2rem; margin-bottom: 8px; }
.contact-card h5 { font-size: 0.95rem; font-weight: 600; margin-bottom: 4px; }
.contact-card p { font-size: 0.75rem; color: rgba(255,255,255,0.5); margin-bottom: 0; }

/* ===== WHATSAPP ===== */
.whatsapp-float {
  position: fixed; bottom: 30px; left: 30px;
  width: 56px; height: 56px; border-radius: 50%;
  background: #25D366;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  z-index: 999; transition: var(--transition);
  animation: wa-pulse 2s ease-in-out infinite;
}
.whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 8px 30px rgba(37,211,102,0.5); }
@keyframes wa-pulse {
  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); }
}

/* ===== BACK TO TOP ===== */
.back-to-top {
  position: fixed; bottom: 30px; right: 30px;
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--primary); color: var(--white);
  border: none; font-size: 1.2rem; cursor: pointer;
  box-shadow: var(--shadow-md); transition: var(--transition);
  z-index: 999; opacity: 0; visibility: hidden; transform: translateY(20px);
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--primary-dark); transform: translateY(-4px); }

/* ===== FOOTER ===== */
footer {
  background: var(--dark); padding: 40px 0 24px;
  border-top: 1px solid rgba(255,255,255,0.04);
}
footer .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
footer p { font-size: 0.85rem; color: var(--gray-400); }
.social-links { display: flex; gap: 16px; }
.social-links a { color: var(--gray-400); text-decoration: none; font-size: 0.85rem; transition: var(--transition); }
.social-links a:hover { color: var(--white); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero-grid { gap: 40px; }
  .hero-content h1 { font-size: 3rem; }
  .section-head h2 { font-size: 2.2rem; }
}

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-content .hero-tagline,
  .hero-content .hero-desc { margin-left: auto; margin-right: auto; }
  .hero-btns { justify-content: center; }
  .hero-metrics { justify-content: center; }
  .ai-graphic { margin: auto; width: 280px; height: 280px; }
  .ai-core { width: 100px; height: 100px; }
  .ai-core-inner { width: 84px; height: 84px; }
  .ai-initials { font-size: 1.6rem; }
  .ai-node { width: 36px; height: 36px; font-size: 1rem; }

  .about-grid { grid-template-columns: 1fr; }
  .about-visual { max-width: 400px; margin: auto; }

  .slide { grid-template-columns: 1fr; }
  .slide-img img { aspect-ratio: 16/9; }
  .slide-content { padding: 30px 24px; }

  .contact-grid { grid-template-columns: 1fr; }
  .contact-info { text-align: center; }
  .contact-info .status-row { justify-content: center; }

  .achievement-stats { grid-template-columns: repeat(2, 1fr); gap: 14px; }

  .roadmap::before { left: 20px; }
  .roadmap-item { width: 100%; padding-left: 50px !important; padding-right: 0 !important; left: 0 !important; }
  .roadmap-item:nth-child(odd) .rm-dot,
  .roadmap-item:nth-child(even) .rm-dot { left: 12px; right: auto; }
}

@media (max-width: 768px) {
  nav .container { position: relative; }
  .nav-links {
    position: fixed; top: 0; right: -100%; width: 280px; height: 100vh;
    background: rgba(255,255,255,0.96);
    backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
    flex-direction: column; padding: 80px 32px 32px; gap: 20px;
    transition: var(--transition); box-shadow: -10px 0 40px rgba(0,0,0,0.06); align-items: flex-start;
  }
  .nav-links.open { right: 0; }
  .hamburger { display: flex; }
  .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-content h1 { font-size: 2.4rem; }
  .hero-metrics { gap: 20px; }
  .contact-cards { grid-template-columns: 1fr; }
  footer .container { flex-direction: column; text-align: center; }
  section { padding: 70px 0; }
  .whatsapp-float { width: 48px; height: 48px; bottom: 20px; left: 20px; }
  .achievement-stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .hero-content h1 { font-size: 1.9rem; }
  .section-head h2 { font-size: 1.6rem; }
  .btn { padding: 12px 22px; font-size: 0.85rem; }
  .ai-graphic { width: 220px; height: 220px; }
  .ai-core { width: 80px; height: 80px; }
  .ai-core-inner { width: 68px; height: 68px; }
  .ai-initials { font-size: 1.3rem; }
  .ai-node { width: 30px; height: 30px; font-size: 0.85rem; }
  .slide-content { padding: 20px 16px; }
  .slide-content h3 { font-size: 1.2rem; }
}