/* ============================================
   ZAIN AMJED — PORTFOLIO STYLES
   Light & clean with blue accents
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
  --color-bg: #f8faff;
  --color-white: #ffffff;
  --color-text: #1e293b;
  --color-text-secondary: #64748b;
  --color-text-light: #94a3b8;
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-primary-light: #dbeafe;
  --color-primary-lighter: #eff6ff;
  --color-accent: #0891b2;
  --color-border: #e2e8f0;
  --color-border-light: #f1f5f9;
  --color-success: #059669;
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.04), 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.06), 0 2px 4px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.08), 0 4px 12px rgba(15, 23, 42, 0.04);
  --shadow-blue: 0 8px 30px rgba(37, 99, 235, 0.15);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.25rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

p {
  color: var(--color-text-secondary);
  font-size: 1.0625rem;
  line-height: 1.75;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--color-primary-dark); }

/* ---------- Layout Utilities ---------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  position: relative;
}

.section-label {
  font-family: 'Sora', sans-serif;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.section-label::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
}

.section-title {
  margin-bottom: 20px;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  max-width: 600px;
}

/* ---------- Gradient Text ---------- */
.gradient-text {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---------- Navbar ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(248, 250, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition);
  padding: 16px 0;
}

.navbar.scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
  padding: 12px 0;
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: 'Sora', sans-serif;
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-logo-mark {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-family: 'Sora', sans-serif;
  font-size: 0.875rem;
  font-weight: 700;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-family: 'Sora', sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
  transition: width var(--transition);
}

.nav-links a:hover {
  color: var(--color-text);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-cta {
  font-family: 'Sora', sans-serif;
  font-size: 0.875rem;
  font-weight: 600;
  color: white !important;
  background: var(--color-primary);
  padding: 10px 24px;
  border-radius: 10px;
  transition: all var(--transition);
  border: none;
  cursor: pointer;
}

.nav-cta:hover {
  background: var(--color-primary-dark);
  box-shadow: var(--shadow-blue);
  transform: translateY(-1px);
  color: white !important;
}

.nav-cta::after { display: none !important; }

/* Mobile Menu Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ---------- Hero Section ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  position: relative;
  overflow: hidden;
}

.hero-bg-pattern {
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background-image: radial-gradient(circle at 1px 1px, rgba(37, 99, 235, 0.07) 1px, transparent 0);
  background-size: 32px 32px;
  pointer-events: none;
  mask-image: linear-gradient(to left, rgba(0,0,0,0.6) 0%, transparent 80%);
  -webkit-mask-image: linear-gradient(to left, rgba(0,0,0,0.6) 0%, transparent 80%);
}

.hero-glow {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.12;
  pointer-events: none;
}

.hero-glow-1 {
  top: 10%;
  right: 10%;
  background: var(--color-primary);
}

.hero-glow-2 {
  bottom: 20%;
  left: 5%;
  background: var(--color-accent);
  width: 350px;
  height: 350px;
  opacity: 0.08;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  padding: 8px 16px;
  border-radius: 100px;
  font-family: 'Sora', sans-serif;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: 28px;
  box-shadow: var(--shadow-sm);
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  background: var(--color-success);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.3); }
}

.hero h1 {
  margin-bottom: 24px;
  color: var(--color-text);
}

.hero-description {
  font-size: 1.1875rem;
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 580px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 56px;
  flex-wrap: wrap;
}

.btn-primary {
  font-family: 'Sora', sans-serif;
  font-size: 0.9375rem;
  font-weight: 600;
  color: white;
  background: var(--color-primary);
  padding: 14px 32px;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  box-shadow: var(--shadow-blue);
  transform: translateY(-2px);
  color: white;
}

.btn-secondary {
  font-family: 'Sora', sans-serif;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
  background: var(--color-white);
  padding: 14px 32px;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.btn-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

/* Hero Metrics */
.hero-metrics {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}

.hero-metric {
  text-align: left;
}

.hero-metric-value {
  font-family: 'Sora', sans-serif;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1;
  margin-bottom: 4px;
}

.hero-metric-label {
  font-size: 0.875rem;
  color: var(--color-text-light);
  font-weight: 500;
}

/* ---------- Trust Bar ---------- */
.trust-bar {
  background: var(--color-white);
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
  padding: 40px 0;
}

.trust-bar-label {
  font-family: 'Sora', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-light);
  text-align: center;
  margin-bottom: 24px;
}

.trust-badges {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
  border-radius: 10px;
  font-family: 'Sora', sans-serif;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
  transition: all var(--transition);
}

.trust-badge:hover {
  border-color: var(--color-primary-light);
  background: var(--color-primary-lighter);
}

.trust-badge-icon {
  font-size: 1.25rem;
}

/* ---------- Services Section ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background: linear-gradient(180deg, var(--color-primary), var(--color-accent));
  border-radius: 0 0 4px 4px;
  transition: height 0.4s ease;
}

.service-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: transparent;
  transform: translateY(-4px);
}

.service-card:hover::before {
  height: 100%;
}

.service-icon {
  width: 52px;
  height: 52px;
  background: var(--color-primary-lighter);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
  transition: all var(--transition);
}

.service-card:hover .service-icon {
  background: var(--color-primary);
  color: white;
}

.service-card h3 {
  margin-bottom: 12px;
  color: var(--color-text);
}

.service-card p {
  font-size: 0.9375rem;
  margin-bottom: 20px;
}

.service-link {
  font-family: 'Sora', sans-serif;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.service-link span {
  transition: transform var(--transition);
}

.service-card:hover .service-link span {
  transform: translateX(4px);
}

/* ---------- Case Studies Section ---------- */
.case-studies-bg {
  background: var(--color-white);
}

.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 28px;
  margin-top: 48px;
}

.case-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}

.case-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.case-card-header {
  padding: 32px 32px 24px;
}

.case-card-tag {
  font-family: 'Sora', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 4px 12px;
  border-radius: 6px;
  display: inline-block;
  margin-bottom: 16px;
}

.case-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.case-card-metrics {
  display: flex;
  gap: 24px;
  padding: 20px 32px;
  border-top: 1px solid var(--color-border-light);
  background: var(--color-white);
}

.case-metric {
  text-align: center;
  flex: 1;
}

.case-metric-value {
  font-family: 'Sora', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  display: block;
}

.case-metric-label {
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

/* ---------- Testimonials Section ---------- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 28px;
  margin-top: 48px;
}

.testimonial-card {
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: all var(--transition);
  position: relative;
}

.testimonial-card:hover {
  box-shadow: var(--shadow-md);
}

.testimonial-quote-mark {
  font-family: 'Sora', sans-serif;
  font-size: 3rem;
  line-height: 1;
  color: var(--color-primary-light);
  margin-bottom: 16px;
  display: block;
}

.testimonial-text {
  font-size: 1rem;
  color: var(--color-text);
  font-style: italic;
  line-height: 1.8;
  margin-bottom: 24px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-family: 'Sora', sans-serif;
  font-size: 0.875rem;
  font-weight: 700;
}

.testimonial-name {
  font-family: 'Sora', sans-serif;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-text);
}

.testimonial-role {
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

.testimonial-stars {
  color: #f59e0b;
  font-size: 0.875rem;
  letter-spacing: 2px;
}

/* ---------- CTA Section ---------- */
.cta-section {
  text-align: center;
}

.cta-box {
  background: linear-gradient(135deg, #1e3a5f 0%, #1e293b 100%);
  border-radius: var(--radius-lg);
  padding: 72px 48px;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background-image: radial-gradient(circle at 1px 1px, rgba(255,255,255,0.06) 1px, transparent 0);
  background-size: 24px 24px;
  pointer-events: none;
}

.cta-box h2 {
  color: white;
  margin-bottom: 16px;
  position: relative;
}

.cta-box p {
  color: rgba(255,255,255,0.7);
  max-width: 520px;
  margin: 0 auto 36px;
  font-size: 1.0625rem;
  position: relative;
}

.cta-box .btn-primary {
  background: white;
  color: var(--color-primary);
  font-size: 1rem;
  padding: 16px 36px;
  position: relative;
}

.cta-box .btn-primary:hover {
  background: var(--color-primary-lighter);
  box-shadow: 0 8px 30px rgba(255,255,255,0.2);
}

/* ---------- Footer ---------- */
.footer {
  background: var(--color-white);
  border-top: 1px solid var(--color-border-light);
  padding: 60px 0 32px;
}

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

.footer-brand p {
  font-size: 0.9375rem;
  margin-top: 16px;
  max-width: 280px;
}

.footer-heading {
  font-family: 'Sora', sans-serif;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--color-primary);
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  transition: all var(--transition);
  font-size: 1.125rem;
}

.footer-social a:hover {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.footer-bottom {
  border-top: 1px solid var(--color-border-light);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

/* ---------- Scroll Animations ---------- */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.stagger-children > .fade-up:nth-child(1) { transition-delay: 0.05s; }
.stagger-children > .fade-up:nth-child(2) { transition-delay: 0.12s; }
.stagger-children > .fade-up:nth-child(3) { transition-delay: 0.19s; }
.stagger-children > .fade-up:nth-child(4) { transition-delay: 0.26s; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }

  .mobile-toggle { display: flex; }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    padding: 24px;
    gap: 20px;
    box-shadow: var(--shadow-md);
  }

  .nav-links.active { display: flex; }

  .hero-metrics { gap: 32px; }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .services-grid,
  .case-studies-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .trust-badges { gap: 16px; }

  .cta-box { padding: 48px 28px; }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .case-card-metrics { flex-wrap: wrap; gap: 16px; }
}