/* NU Marketing — Premium Digital Marketing & Business Consulting */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Inter:wght@400;500;600&family=Playfair+Display:wght@600;700;800&display=swap');

:root {
  --accent: #D97706;
  --accent-muted: rgba(217, 119, 6, 0.15);
  --accent-bg: rgba(217, 119, 6, 0.08);
  --accent-glow: rgba(217, 119, 6, 0.3);
  --accent-light: #F59E0B;
  --text: #111827;
  --text-light: #6B7280;
  --text-lighter: #9CA3AF;
  --bg: #FFFFFF;
  --bg-alt: #FAFAFA;
  --bg-dark: #0B0F19;
  --border: #E5E7EB;
  --border-light: #F3F4F6;
  --font-display: 'DM Sans', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-accent: 'Playfair Display', serif;
  --max-width: 1200px;
  --section-pad: clamp(80px, 10vw, 140px);
  --radius: 16px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05), 0 1px 2px rgba(0,0,0,0.03);
  --shadow-md: 0 10px 40px rgba(0,0,0,0.08);
  --shadow-lg: 0 25px 60px rgba(0,0,0,0.12);
  --shadow-xl: 0 40px 80px rgba(0,0,0,0.15);
  --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

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

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

img { max-width: 100%; height: auto; display: block; }

a { text-decoration: none; color: inherit; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 60px);
}

/* === NAV === */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: var(--transition);
}
.nav.scrolled {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-sm);
  padding: 14px 0;
}
.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 60px);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: white;
  letter-spacing: -0.03em;
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-logo::before {
  content: 'NU';
  background: var(--accent);
  color: white;
  padding: 4px 12px;
  border-radius: 8px;
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}
.nav.scrolled .nav-logo { color: var(--text); }
.nav.scrolled .nav-logo::before { background: var(--accent); color: white; }
.nav-links { display: flex; gap: 36px; align-items: center; }
.nav-link {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  transition: var(--transition);
  position: relative;
}
.nav.scrolled .nav-link { color: var(--text-light); }
.nav-link:hover { color: var(--accent); }
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s ease;
}
.nav-link:hover::after { width: 100%; }
.nav-phone {
  background: var(--accent);
  color: white !important;
  padding: 12px 28px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.875rem;
  transition: var(--transition);
  letter-spacing: 0.01em;
}
.nav-phone:hover { transform: translateY(-2px); box-shadow: 0 8px 24px var(--accent-glow); }
.nav-phone::after { display: none; }
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: white;
  margin: 6px 0;
  transition: var(--transition);
}
.nav.scrolled .mobile-menu-btn span { background: var(--text); }

/* === HERO === */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(11,15,25,0.88) 0%, rgba(11,15,25,0.75) 50%, rgba(11,15,25,0.85) 100%);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 860px;
  padding: 0 24px;
}
.hero-tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent-light);
  background: rgba(217,119,6,0.15);
  backdrop-filter: blur(10px);
  padding: 10px 24px;
  border-radius: 100px;
  margin-bottom: 28px;
  border: 1px solid rgba(217,119,6,0.25);
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5.5vw, 4.75rem);
  font-weight: 800;
  color: white;
  line-height: 1.05;
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}
.hero h1 .highlight {
  color: var(--accent-light);
  position: relative;
}
.hero h1 .highlight::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  width: 100%;
  height: 8px;
  background: rgba(217,119,6,0.25);
  border-radius: 4px;
  z-index: -1;
}
.hero-sub {
  font-family: var(--font-body);
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: rgba(255,255,255,0.7);
  margin-bottom: 44px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}
.hero-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 18px 40px;
  border-radius: 100px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  letter-spacing: 0.01em;
}
.btn-primary {
  background: var(--accent);
  color: white;
  box-shadow: 0 8px 32px var(--accent-glow);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 40px var(--accent-glow); background: #B45309; }
.btn-outline {
  background: transparent;
  color: white;
  border: 2px solid rgba(255,255,255,0.3);
}
.btn-outline:hover { background: white; color: var(--text); border-color: white; }

/* === TRUST / STATS === */
.trust-bar {
  background: var(--bg-dark);
  padding: 48px 0;
  position: relative;
  z-index: 3;
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  text-align: center;
}
.trust-stat .stat-number {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--accent-light);
  line-height: 1;
  margin-bottom: 8px;
}
.trust-stat .stat-label {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.55);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.trust-stat .stat-sublabel {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.35);
  margin-top: 4px;
}

/* === SECTIONS === */
.section { padding: var(--section-pad) 0; }
.section-alt { background: var(--bg-alt); }

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto clamp(48px, 6vw, 80px);
}
.section-label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
  margin-bottom: 16px;
  display: block;
}
.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 700;
  color: var(--text);
  line-height: 1.15;
  margin-bottom: 16px;
}
.section-header p {
  font-size: 1.0625rem;
  color: var(--text-light);
  line-height: 1.65;
}

/* === SERVICES GRID === */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
}
.service-card {
  background: white;
  border-radius: var(--radius);
  padding: 44px 36px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--border-light);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.service-card:hover::before { transform: scaleX(1); }
.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-muted);
}
.service-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 24px;
  color: white;
  box-shadow: 0 4px 16px var(--accent-glow);
}
.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--text);
}
.service-card p {
  font-size: 0.9375rem;
  color: var(--text-light);
  line-height: 1.65;
}

/* === RESULTS / METRICS === */
.results-section {
  background: var(--bg-dark);
  padding: var(--section-pad) 0;
  position: relative;
  overflow: hidden;
}
.results-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(217,119,6,0.06) 0%, transparent 70%);
  border-radius: 50%;
}
.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 32px;
  position: relative;
  z-index: 1;
}
.result-card {
  text-align: center;
  padding: 40px 24px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.03);
  transition: var(--transition);
}
.result-card:hover {
  background: rgba(255,255,255,0.06);
  transform: translateY(-4px);
  border-color: rgba(217,119,6,0.2);
}
.result-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent-light);
  margin-bottom: 8px;
  line-height: 1;
}
.result-label {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.6);
  font-weight: 500;
}

/* === ABOUT / SPLIT === */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}
.split-img {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  position: relative;
}
.split-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(217,119,6,0.1), transparent 60%);
  pointer-events: none;
}
.split-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 480px;
}
.split-content .section-label { text-align: left; }
.split-content h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 24px;
  line-height: 1.2;
}
.split-content p {
  font-size: 1rem;
  color: var(--text-light);
  line-height: 1.75;
  margin-bottom: 20px;
}
.split-content p strong {
  color: var(--text);
  font-weight: 600;
}
.badge-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}
.badge {
  background: var(--accent-bg);
  color: var(--accent);
  padding: 10px 20px;
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 600;
}

/* === REVIEWS === */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}
.review-card {
  background: white;
  border-radius: var(--radius);
  padding: 40px 36px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: var(--transition);
}
.review-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.review-stars {
  color: #F59E0B;
  font-size: 1.125rem;
  margin-bottom: 20px;
  letter-spacing: 2px;
}
.review-text {
  font-size: 1rem;
  color: var(--text);
  line-height: 1.75;
  margin-bottom: 24px;
  font-style: italic;
}
.review-author {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 20px;
  border-top: 1px solid var(--border-light);
}
.review-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9375rem;
  color: white;
}
.review-name {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--text);
}
.review-location {
  font-size: 0.8125rem;
  color: var(--text-light);
}

/* === SERVICE AREA === */
.area-section {
  background: linear-gradient(135deg, #FEF3E2 0%, #FFF7ED 50%, #FEF3E2 100%);
  padding: var(--section-pad) 0;
  position: relative;
  overflow: hidden;
}
.area-section::before {
  content: '';
  position: absolute;
  top: -100px;
  left: -100px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(217,119,6,0.06) 0%, transparent 70%);
  border-radius: 50%;
}
.area-section::after {
  content: '';
  position: absolute;
  bottom: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(217,119,6,0.04) 0%, transparent 70%);
  border-radius: 50%;
}
.area-section .container { position: relative; z-index: 1; }

/* === CTA SECTION === */
.cta-section {
  position: relative;
  padding: calc(var(--section-pad) * 0.85) 0;
  text-align: center;
  overflow: hidden;
}
.cta-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.cta-bg img { width: 100%; height: 100%; object-fit: cover; }
.cta-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(11,15,25,0.92) 0%, rgba(11,15,25,0.85) 100%);
  z-index: 1;
}
.cta-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  margin: 0 auto;
  padding: 0 24px;
}
.cta-content h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 700;
  color: white;
  margin-bottom: 20px;
}
.cta-content p {
  font-size: 1.0625rem;
  color: rgba(255,255,255,0.7);
  margin-bottom: 40px;
  line-height: 1.65;
}

/* === CONTACT === */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: start;
}
.contact-info h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--text);
}
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}
.contact-icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--accent-bg), var(--accent-muted));
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.25rem;
  flex-shrink: 0;
}
.contact-item strong {
  display: block;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--text);
  font-size: 0.9375rem;
}
.contact-item span {
  font-size: 0.9375rem;
  color: var(--text-light);
}
.contact-item a {
  color: var(--accent);
  font-weight: 500;
  transition: var(--transition);
}
.contact-item a:hover { color: #B45309; }

/* === FORM === */
.form-section {
  background: white;
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
}
.form-section h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--text);
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 16px 20px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  transition: var(--transition);
  background: white;
  color: var(--text);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-muted);
}
.form-group textarea { min-height: 120px; resize: vertical; }

/* === FOOTER === */
.footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,0.6);
  padding: 80px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 56px;
}
.footer-brand {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: white;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-brand::before {
  content: 'NU';
  background: var(--accent);
  color: white;
  padding: 4px 12px;
  border-radius: 8px;
  font-size: 1.1rem;
  font-weight: 800;
}
.footer-desc {
  font-size: 0.9375rem;
  line-height: 1.75;
  margin-bottom: 20px;
  color: rgba(255,255,255,0.5);
}
.footer-title {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 700;
  color: white;
  margin-bottom: 24px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 14px; }
.footer-links a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.5);
  transition: var(--transition);
}
.footer-links a:hover { color: var(--accent-light); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.35);
}

/* === STICKY CALL (MOBILE) === */
.sticky-call {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: white;
  padding: 12px 16px;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
  z-index: 999;
  gap: 12px;
}
.sticky-call .btn {
  flex: 1;
  padding: 16px;
  font-size: 0.875rem;
  justify-content: center;
}

/* === MOBILE === */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    padding: 24px;
    box-shadow: var(--shadow-md);
    gap: 16px;
  }
  .nav-links.active .nav-link { color: var(--text); }
  .mobile-menu-btn { display: block; }
  .hero { min-height: 90vh; }
  .hero h1 { font-size: clamp(2rem, 8vw, 2.75rem); }
  .split { grid-template-columns: 1fr; }
  .split-img { order: -1; }
  .split-img img { min-height: 280px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .trust-bar { padding: 36px 0; }
  .results-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .hero-btns { flex-direction: column; width: 100%; }
  .hero-btns .btn { width: 100%; justify-content: center; }
  .trust-grid { grid-template-columns: 1fr; }
  .results-grid { grid-template-columns: 1fr; }
  .form-section { padding: 24px; }
  .nav { padding: 16px 0; }
  .nav-logo { font-size: 1.3rem; }
}

@media (max-width: 768px) {
  .sticky-call { display: flex; }
  body { padding-bottom: 76px; }
}

/* === ANIMATIONS === */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-in { animation: fadeInUp 0.8s ease forwards; opacity: 0; }
.fade-in-1 { animation-delay: 0.15s; }
.fade-in-2 { animation-delay: 0.3s; }
.fade-in-3 { animation-delay: 0.45s; }

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 var(--accent-glow); }
  50% { box-shadow: 0 0 0 12px transparent; }
}
.pulse-btn { animation: pulse 2s infinite; }

/* === SCROLL REVEAL === */
.reveal {
  opacity: 0;
  transform: translateY(60px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}