:root {
  --navy: #1e3a8a;
  --blue: #2563eb;
  --blue-light: #3b82f6;
  --blue-pale: #dbeafe;
  --white: #ffffff;
  --off-white: #f8faff;
  --text-dark: #0f172a;
  --text-mid: #334155;
  --text-light: #64748b;
  --border: #e2e8f0;
  --shadow-sm: 0 2px 8px rgba(30,58,138,0.08);
  --shadow-md: 0 8px 30px rgba(30,58,138,0.12);
  --shadow-lg: 0 20px 60px rgba(30,58,138,0.18);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xl: 24px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
  --font: 'Poppins', sans-serif;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

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

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: var(--font); }
input, select, textarea { font-family: var(--font); }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ====== GRADIENT TEXT ====== */
.gradient-text {
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ====== SECTION BASE ====== */
.section {
  padding: 80px 0;
}

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

.section-tag {
  display: inline-block;
  background: var(--blue-pale);
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 14px;
}

.section-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 12px;
  line-height: 1.2;
}

.section-header p {
  color: var(--text-light);
  font-size: 1.05rem;
  max-width: 520px;
  margin: 0 auto;
}

/* ====== BUTTONS ====== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue) 100%);
  color: var(--white);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 100px;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(37,99,235,0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(37,99,235,0.45);
}

.btn-primary:active { transform: translateY(0); }

.btn-lg { padding: 16px 36px; font-size: 1rem; }

.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #25D366;
  color: var(--white);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 100px;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(37,211,102,0.35);
}

.btn-whatsapp:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(37,211,102,0.45);
}

.btn-outline-white {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 2px solid rgba(255,255,255,0.5);
  color: var(--white);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 100px;
  transition: var(--transition);
  backdrop-filter: blur(10px);
  background: rgba(255,255,255,0.1);
}

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

/* ====== NAVBAR ====== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.4rem;
  font-weight: 900;
  letter-spacing: -0.5px;
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

.logo-nk {
  font-family: 'Space Mono', monospace;
  font-size: 2.2rem;
  font-weight: 900;
  letter-spacing: -3px;
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.logo-dev {
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 0.75rem;
  color: var(--text-mid);
  letter-spacing: 0.02em;
  line-height: 1;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

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

.nav-link:hover, .nav-link.active {
  color: var(--blue);
  background: var(--blue-pale);
}

.nav-cta-btn {
  background: linear-gradient(135deg, var(--navy), var(--blue));
  color: white !important;
  font-size: 0.88rem;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: 100px;
  transition: var(--transition);
  margin-left: 8px;
}

.nav-cta-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(37,99,235,0.4);
}

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

.hamburger span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--navy);
  border-radius: 10px;
  transition: var(--transition);
}

.hamburger.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 900;
  opacity: 0;
  transition: opacity var(--transition);
}

.mobile-overlay.active {
  display: block;
  opacity: 1;
}

/* ====== HERO ====== */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
  padding: 120px 20px 80px;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}

.hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.12;
}

.blob1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--blue) 0%, transparent 70%);
  top: -100px; left: -100px;
}

.blob2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, var(--blue-light) 0%, transparent 70%);
  bottom: -100px; right: -100px;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(37,99,235,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37,99,235,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--blue-pale);
  color: var(--blue);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 100px;
  margin-bottom: 24px;
  border: 1px solid rgba(37,99,235,0.2);
}

.hero-title {
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 900;
  line-height: 1.0;
  color: var(--text-dark);
  margin-bottom: 20px;
  letter-spacing: -1.5px;
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--text-light);
  margin-bottom: 36px;
  max-width: 480px;
  line-height: 1.7;
}

.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 44px;
}

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

.stat span {
  display: block;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--navy);
  line-height: 1;
}

.stat p {
  font-size: 0.78rem;
  color: var(--text-light);
  margin-top: 4px;
}

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

/* Hero Visual */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 400px;
}

.hero-mockup {
  width: 340px;
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-16px); }
}

.mockup-screen {
  background: white;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}

.mockup-bar {
  background: var(--navy);
  padding: 12px 16px;
  display: flex;
  gap: 6px;
}

.mockup-bar span {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
}

.mockup-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mockup-line {
  height: 10px;
  border-radius: 100px;
  background: var(--blue-pale);
}
.w80 { width: 80%; }
.w60 { width: 60%; }
.w90 { width: 90%; }
.w40 { width: 40%; }
.w70 { width: 70%; }
.w50 { width: 50%; }

.mockup-img-placeholder {
  height: 100px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--blue-pale), rgba(37,99,235,0.1));
  margin: 6px 0;
}

.hero-card-float {
  position: absolute;
  background: white;
  border-radius: var(--radius);
  padding: 12px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow-md);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--navy);
  border: 1px solid var(--border);
}

.hero-card-float i {
  color: var(--blue);
  font-size: 1.1rem;
}

.card-f1 { top: 30px; left: -20px; animation: float 3.5s ease-in-out infinite; }
.card-f2 { bottom: 60px; left: -40px; animation: float 4.5s ease-in-out infinite 1s; }
.card-f3 { top: 60px; right: -20px; animation: float 3.8s ease-in-out infinite 0.5s; }

/* ====== SERVICES ====== */
.services-section { background: var(--off-white); }

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

.service-card--wide {
  grid-column: span 2;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 32px;
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(30px);
}

.service-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--navy), var(--blue-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(37,99,235,0.2);
}

.service-card:hover::before { transform: scaleX(1); }

.service-icon-wrap {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--ic, var(--navy)), var(--blue-light));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.4rem;
  color: white;
}

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-dark);
}

.service-card p {
  color: var(--text-light);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 20px;
}

.service-link {
  color: var(--blue);
  font-size: 0.88rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.service-link:hover { gap: 10px; }

/* ====== HOW IT WORKS ====== */
.how-section { background: var(--white); }

.steps-row {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
}

.step-item {
  flex: 1;
  text-align: center;
  padding: 32px 20px;
  position: relative;
}

.step-num {
  font-family: 'Space Mono', monospace;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--blue-light);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  opacity: 0.7;
}

.step-icon {
  width: 64px; height: 64px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--navy), var(--blue));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
  margin: 0 auto 18px;
  box-shadow: 0 8px 24px rgba(37,99,235,0.3);
  transition: var(--transition);
}

.step-item:hover .step-icon { transform: scale(1.1) rotate(-5deg); }

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

.step-item p {
  font-size: 0.88rem;
  color: var(--text-light);
  line-height: 1.6;
}

.step-arrow {
  color: var(--blue-pale);
  font-size: 1.3rem;
  padding-top: 60px;
  flex-shrink: 0;
}

/* ====== WHY CHOOSE US ====== */
.why-section { background: var(--off-white); }

.why-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.why-text .section-tag { margin-bottom: 14px; }

.why-text h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.2;
}

.why-text > p {
  color: var(--text-light);
  margin-bottom: 36px;
  line-height: 1.7;
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.why-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.why-icon {
  width: 42px; height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--navy), var(--blue));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1rem;
  flex-shrink: 0;
}

.why-item h5 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text-dark);
}

.why-item p {
  font-size: 0.82rem;
  color: var(--text-light);
  line-height: 1.5;
}

.why-visual {
  position: relative;
  height: 380px;
}

.why-bg-shape {
  position: absolute;
  width: 300px; height: 300px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(37,99,235,0.08), rgba(30,58,138,0.06));
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  z-index: 0;
}

.why-card {
  position: absolute;
  background: white;
  border-radius: var(--radius);
  padding: 18px 22px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
  z-index: 1;
  transition: var(--transition);
}

.why-card:hover { transform: scale(1.04); }

.why-card i {
  font-size: 1.6rem;
  color: var(--blue);
}

.why-card strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-dark);
}

.why-card span {
  font-size: 0.78rem;
  color: var(--text-light);
}

.wc1 { top: 20px; left: 20px; animation: float 4s ease-in-out infinite; }
.wc2 { top: 50%; left: 50%; transform: translate(-50%,-50%); animation: float 3.5s ease-in-out infinite 1s; }
.wc3 { bottom: 20px; right: 0px; animation: float 4.5s ease-in-out infinite 0.5s; }
.wc2:hover { transform: translate(-50%,-50%) scale(1.04); }

/* ====== PROJECTS ====== */
.projects-section { background: var(--white); }

.project-filters {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.filter-btn {
  padding: 8px 20px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-mid);
  border: 1.5px solid var(--border);
  transition: var(--transition);
  background: white;
}

.filter-btn:hover, .filter-btn.active {
  background: linear-gradient(135deg, var(--navy), var(--blue));
  color: white;
  border-color: transparent;
}

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

.project-card {
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
  background: white;
  opacity: 0;
  transform: translateY(24px);
}

.project-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.project-img {
  height: 200px;
  background: linear-gradient(135deg,
    hsl(var(--hue, 220), 80%, 18%) 0%,
    hsl(var(--hue, 220), 75%, 50%) 100%);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.project-img-inner {
  font-size: 3rem;
  color: rgba(255,255,255,0.3);
  transition: var(--transition);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(30,58,138,0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

.project-card:hover .project-overlay { opacity: 1; }
.project-card:hover .project-img-inner { transform: scale(1.2); }

.proj-btn {
  background: white;
  color: var(--navy);
  font-size: 0.88rem;
  font-weight: 700;
  padding: 10px 22px;
  border-radius: 100px;
  transition: var(--transition);
}

.proj-btn:hover { background: var(--blue-pale); }

.project-info {
  padding: 22px;
}

.proj-tag {
  display: inline-block;
  background: var(--blue-pale);
  color: var(--blue);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 10px;
}

.project-info h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-dark);
}

.project-info p {
  font-size: 0.84rem;
  color: var(--text-light);
  line-height: 1.5;
}

.project-card.hidden { display: none; }

/* ====== PRICING ====== */
.pricing-section { background: var(--off-white); }

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  align-items: stretch;
}

.pricing-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: 32px 28px;
  border: 1.5px solid var(--border);
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}

.pricing-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.pricing-card--popular {
  background: linear-gradient(145deg, var(--navy) 0%, var(--blue) 100%);
  border-color: transparent;
  color: white;
  transform: scale(1.04);
}

.pricing-card--popular:hover {
  transform: scale(1.04) translateY(-6px);
}

.popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: #FFD700;
  color: #1e3a8a;
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 5px 16px;
  border-radius: 100px;
  white-space: nowrap;
}

.pricing-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: var(--blue-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--blue);
  margin-bottom: 18px;
}

.pricing-card--popular .pricing-icon {
  background: rgba(255,255,255,0.2);
  color: white;
}

.pricing-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--text-dark);
}

.pricing-card--popular h3 { color: white; }

.pricing-price {
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--navy);
  line-height: 1;
  margin-bottom: 6px;
}

.pricing-price span {
  font-size: 1.3rem;
  font-weight: 600;
  vertical-align: super;
}

.pricing-price small {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--text-light);
  display: block;
  margin-top: 4px;
}

.pricing-card--popular .pricing-price,
.pricing-card--popular .pricing-price small { color: rgba(255,255,255,0.9); }

.pricing-features {
  margin: 20px 0 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--text-mid);
}

.pricing-card--popular .pricing-features li { color: rgba(255,255,255,0.85); }

.pricing-features li i {
  color: var(--blue);
  font-size: 0.75rem;
  width: 16px;
}

.pricing-card--popular .pricing-features li i { color: #7dd3fc; }

.pricing-btn {
  display: block;
  text-align: center;
  background: var(--blue-pale);
  color: var(--blue);
  font-size: 0.9rem;
  font-weight: 700;
  padding: 13px;
  border-radius: 12px;
  transition: var(--transition);
}

.pricing-btn:hover {
  background: linear-gradient(135deg, var(--navy), var(--blue));
  color: white;
}

.pricing-btn--white {
  background: white;
  color: var(--navy);
}

.pricing-btn--white:hover {
  background: var(--blue-pale);
  color: var(--blue);
}

.pricing-note {
  text-align: center;
  color: var(--text-light);
  font-size: 0.88rem;
  margin-top: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

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

/* ====== CTA SECTION ====== */
.cta-section {
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue) 100%);
  padding: 90px 20px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.cta-blob {
  position: absolute;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,0.06) 0%, transparent 70%);
  top: -100px; left: -100px;
}

.cta-inner {
  position: relative;
  z-index: 1;
}

.cta-inner h2 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 900;
  color: white;
  margin-bottom: 16px;
  line-height: 1.1;
}

.cta-inner h2 span {
  background: linear-gradient(90deg, #7dd3fc, #bfdbfe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.cta-inner p {
  color: rgba(255,255,255,0.75);
  font-size: 1.05rem;
  max-width: 520px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

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

/* ====== CONTACT ====== */
.contact-section { background: var(--white); }

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 60px;
  align-items: start;
}

.contact-form-wrap {
  position: relative;
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

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

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-mid);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 13px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  color: var(--text-dark);
  background: var(--off-white);
  transition: var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue);
  background: white;
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

.form-group textarea { resize: vertical; }

.form-submit {
  width: 100%;
  justify-content: center;
  font-size: 1rem;
  padding: 16px;
  border-radius: var(--radius-sm);
  border-radius: 12px;
}

.form-success {
  display: none;
  text-align: center;
  padding: 60px 40px;
  background: var(--off-white);
  border-radius: var(--radius-xl);
  border: 1.5px solid var(--border);
}

.form-success.show { display: block; }

.form-success i {
  font-size: 3rem;
  color: #22c55e;
  margin-bottom: 16px;
}

.form-success h4 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.form-success p {
  color: var(--text-light);
}

/* Contact Info */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.info-card {
  background: var(--off-white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: var(--transition);
}

.info-card:hover {
  border-color: var(--blue-light);
  box-shadow: var(--shadow-sm);
}

.info-card i {
  font-size: 1.4rem;
  color: var(--blue);
  width: 30px;
  text-align: center;
  flex-shrink: 0;
}

.info-card h5 {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 3px;
}

.info-card a, .info-card span {
  font-size: 0.9rem;
  color: var(--text-dark);
  font-weight: 500;
}

.info-card a:hover { color: var(--blue); }

.social-links {
  display: flex;
  gap: 10px;
  margin-top: 4px;
}

.social-btn {
  width: 42px; height: 42px;
  border-radius: 10px;
  background: var(--off-white);
  border: 1.5px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-mid);
  font-size: 1rem;
  transition: var(--transition);
}

.social-btn:hover {
  background: var(--navy);
  color: white;
  border-color: transparent;
  transform: translateY(-2px);
}

/* ====== FOOTER ====== */
.footer {
  background: var(--navy);
  color: rgba(255,255,255,0.8);
  padding: 64px 0 24px;
}

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

.footer-logo {
  font-size: 1.5rem;
  font-weight: 900;
  margin-bottom: 14px;
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

.footer-logo .logo-nk {
  font-family: 'Space Mono', monospace;
  font-size: 2.2rem;
  font-weight: 900;
  letter-spacing: -3px;
  background: linear-gradient(135deg, #ffffff 0%, #93c5fd 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.footer-logo .logo-dev {
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.02em;
  line-height: 1;
}

.footer-brand p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.6;
  max-width: 280px;
}

.footer-links-col h6 {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: white;
  margin-bottom: 16px;
}

.footer-links-col a {
  display: block;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
  margin-bottom: 10px;
  transition: var(--transition);
}

.footer-links-col a:hover { color: var(--blue-light); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.4);
  flex-wrap: wrap;
  gap: 10px;
}

.footer-bottom i { color: #f87171; }

/* ====== FLOATING BUTTONS ====== */
.float-wa {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #25D366;
  color: white;
  border-radius: 100px;
  padding: 14px 20px 14px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 0.88rem;
  box-shadow: 0 4px 24px rgba(37,211,102,0.5);
  z-index: 800;
  transition: var(--transition);
  animation: pulse-wa 2.5s ease-in-out infinite;
}

.float-wa i { font-size: 1.4rem; }

.float-wa:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(37,211,102,0.6);
  animation: none;
}

@keyframes pulse-wa {
  0%, 100% { box-shadow: 0 4px 24px rgba(37,211,102,0.5); }
  50% { box-shadow: 0 4px 40px rgba(37,211,102,0.7); }
}

.scroll-top {
  position: fixed;
  bottom: 24px;
  left: 24px;
  width: 44px; height: 44px;
  border-radius: 12px;
  background: white;
  color: var(--navy);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  z-index: 800;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
  border: 1.5px solid var(--border);
}

.scroll-top.show {
  opacity: 1;
  pointer-events: auto;
}

.scroll-top:hover {
  background: var(--navy);
  color: white;
  transform: translateY(-2px);
}

/* ====== RESPONSIVE ====== */

/* Tablet */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: 100px;
    min-height: auto;
    padding-bottom: 60px;
  }

  .hero-content { order: 1; }
  .hero-visual { order: 2; min-height: 300px; }

  .hero-btns { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-sub { margin: 0 auto 36px; }

  .card-f1 { left: 0; }
  .card-f2 { left: 0; }
  .card-f3 { right: 0; }

  .services-grid {
    grid-template-columns: 1fr 1fr;
  }
  .service-card--wide { grid-column: span 2; }

  .steps-row {
    flex-direction: column;
    align-items: center;
    gap: 20px;
  }
  .step-arrow { transform: rotate(90deg); padding: 0; }

  .why-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .why-visual { height: 280px; }

  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-card--popular { transform: none; }
  .pricing-card--popular:hover { transform: translateY(-6px); }

  .contact-layout {
    grid-template-columns: 1fr;
  }
  .contact-info {
    flex-direction: row;
    flex-wrap: wrap;
  }
  .info-card { flex: 1; min-width: 200px; }
  .social-links { width: 100%; }

  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: span 2; }

  .projects-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Mobile */
@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .section-header { margin-bottom: 40px; }

  /* Navbar */
  .hamburger { display: flex; }

  .nav-links {
    position: fixed;
    top: 0; right: -100%;
    width: 280px;
    height: 100vh;
    background: white;
    flex-direction: column;
    align-items: flex-start;
    padding: 90px 24px 40px;
    gap: 6px;
    z-index: 950;
    box-shadow: var(--shadow-lg);
    transition: right 0.35s cubic-bezier(0.4,0,0.2,1);
  }

  .nav-links.open { right: 0; }

  .nav-link {
    width: 100%;
    font-size: 1rem;
    padding: 12px 16px;
    border-radius: 10px;
  }

  .nav-cta-btn {
    width: 100%;
    text-align: center;
    margin-left: 0;
    margin-top: 10px;
    padding: 14px 20px;
    border-radius: 12px;
  }

  /* Hero */
  .hero {
    padding: 90px 20px 60px;
    gap: 40px;
  }

  .hero-title { letter-spacing: -1px; }

  .hero-btns {
    flex-direction: column;
    align-items: center;
  }

  .hero-btns a { width: 100%; justify-content: center; }

  .hero-visual { min-height: 340px; }
  .hero-mockup { width: 220px; }
  .card-f1 { top: 0px; left: 0px; font-size: 0.75rem; padding: 8px 12px; z-index: 2; }
  .card-f2 { bottom: 0px; left: 0px; font-size: 0.75rem; padding: 8px 12px; z-index: 2; }
  .card-f3 { top: 0px; right: 0px; font-size: 0.75rem; padding: 8px 12px; z-index: 2; }

  .hero-stats {
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
  }

  /* Services */
  .services-grid { grid-template-columns: 1fr; }
  .service-card--wide { grid-column: span 1; }

  /* Projects */
  .projects-grid { grid-template-columns: 1fr; }
  .project-filters { gap: 8px; }
  .filter-btn { font-size: 0.78rem; padding: 7px 14px; }

  /* Pricing */
  .pricing-grid { grid-template-columns: 1fr; }
  .pricing-card--popular { transform: none; }

  /* CTA */
  .cta-btns { flex-direction: column; align-items: center; }
  .cta-btns a { width: 100%; max-width: 300px; justify-content: center; }

  /* Contact */
  .form-row { grid-template-columns: 1fr; gap: 16px; }
  .contact-info { flex-direction: column; }
  .social-links { justify-content: center; }

  /* Why */
  .why-grid { grid-template-columns: 1fr; }
  .why-visual { height: 220px; }
  .wc1, .wc2, .wc3 { position: static; margin-bottom: 10px; width: 100%; }
  .why-visual { height: auto; display: flex; flex-direction: column; gap: 10px; }
  .why-bg-shape { display: none; }

  /* Footer */
  .footer-top { grid-template-columns: 1fr; }
  .footer-brand { grid-column: span 1; }
  .footer-bottom { flex-direction: column; text-align: center; }

  /* Float */
  .float-wa span { display: none; }
  .float-wa { padding: 14px; border-radius: 50%; }
}

@media (max-width: 400px) {
  .hero-title { letter-spacing: -0.5px; }
  .hero-stats { flex-direction: column; gap: 12px; }
  .stat-divider { display: none; }
}