/* ===== VARIABLES ===== */
:root {
  --bg:            #E2E7F0;
  --bg-alt:        #EBEFF7;
  --bg-white:      #FFFFFF;
  --bg-card:       #F4F6FA;
  --bg-footer:     #D3D7E2;
  --c-purple:      #4A7BB5;
  --c-purple-dark: #3A6494;
  --c-purple-bg:   rgba(74, 123, 181, 0.08);
  --c-purple-low:  rgba(74, 123, 181, 0.05);
  --c-purple-num:  rgba(74, 123, 181, 0.12);
  --c-accent:      #7BAAD6;
  --t-primary:     #1E1E30;
  --t-secondary:   #5A5D72;
  --t-muted:       #8B8FA3;
  --border:        rgba(74, 123, 181, 0.12);
  --border-light:  rgba(0, 0, 0, 0.06);
  --shadow:        0 1px 3px rgba(0,0,0,.04), 0 1px 2px rgba(0,0,0,.03);
  --shadow-hover:  0 4px 24px rgba(0,0,0,.06);
  --radius:        12px;
  --radius-lg:     20px;
  --radius-xl:     28px;
  --ease:          cubic-bezier(.22, 1, .36, 1);
  --max-w:         1280px;
}

/* ===== RESET ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--t-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ===== UTILITIES ===== */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
}
.nav .container { padding: 0 32px; }
section { padding: 100px 32px; }

/* ===== ANIMATIONS ===== */
.page-wrapper,
.reveal-section {
  opacity: 0;
  transform: translateY(80px);
  transition: opacity 1.1s var(--ease), transform 1.1s var(--ease);
}
.page-wrapper        { transform: translateY(100px); transition-duration: 1.2s; }
.page-wrapper.loaded,
.reveal-section.revealed { opacity: 1; transform: translateY(0); }

/* ---- Card stagger reveal ---- */
.card-grid[data-reveal-stagger] .card {
  opacity: 0;
  transform: translateY(60px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.card-grid[data-reveal-stagger].revealed .card {
  opacity: 1;
  transform: translateY(0);
}
.card-grid[data-reveal-stagger].revealed .card:nth-child(1) { transition-delay: 0s; }
.card-grid[data-reveal-stagger].revealed .card:nth-child(2) { transition-delay: .15s; }
.card-grid[data-reveal-stagger].revealed .card:nth-child(3) { transition-delay: .30s; }
.card-grid[data-reveal-stagger].revealed .card:nth-child(4) { transition-delay: .45s; }

/* ===== TYPOGRAPHY ===== */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--c-purple);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 16px;
}
.section-label .label-line { width: 24px; height: 1.5px; background: var(--c-purple); }
.section-title {
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 700;
  letter-spacing: -1px;
  line-height: 1.15;
  max-width: 700px;
  margin-bottom: 16px;
}
.section-subtitle {
  font-size: 17px;
  color: var(--t-secondary);
  max-width: 560px;
  line-height: 1.7;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all .25s ease;
  border: none;
  font-family: inherit;
}
.btn-primary {
  background: var(--c-purple);
  color: #fff;
}
.btn-primary:hover {
  background: var(--c-purple-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(74, 123, 181, .3);
}
.btn-outline {
  background: transparent;
  color: var(--t-primary);
  border: 1.5px solid var(--border);
}
.btn-outline:hover {
  border-color: var(--c-purple);
  background: var(--c-purple-bg);
  transform: translateY(-2px);
}

/* ===== CARD (shared) ===== */
.card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: border-color .3s ease, transform .3s ease, box-shadow .3s ease;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.card:hover {
  border-color: var(--border);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.card--alt { background: var(--bg-card); }
.card--sm { border-radius: var(--radius); padding: 20px; }
.card--center { text-align: center; }

.card h3 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -.3px;
  margin-bottom: 10px;
}
.card--center h3 { font-size: 24px; letter-spacing: -.5px; margin-bottom: 12px; }
.card p { font-size: 14px; color: var(--t-secondary); line-height: 1.65; }
.card--center p { font-size: 15px; margin-bottom: 28px; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}
.card-grid--wide { gap: 32px; }
.card-grid--dual { grid-template-columns: 1fr 1fr; margin-top: 48px; }

/* Service-card top accent bar */
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--c-purple);
  opacity: 0;
  transition: opacity .3s ease;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.service-card:hover::before { opacity: 1; }
.service-card .card-number {
  font-size: 48px;
  font-weight: 800;
  color: var(--c-purple-num);
  line-height: 1;
  margin-bottom: 16px;
}

/* Detail-card icon */
.detail-card .detail-icon {
  width: 48px;
  height: 48px;
  background: var(--c-purple-bg);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  font-size: 22px;
}

.detail-lead {
  font-style: italic;
  margin-bottom: 14px;
}

/* ===== NAVIGATION ===== */
.nav {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  z-index: 1000;
  transition: background .3s ease, box-shadow .3s ease;
  padding: 10px 0;
}
.nav.scrolled {
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border-light);
}
.nav .container { display: flex; align-items: center; justify-content: space-between; }
.nav-logo {
  display: flex;
  align-items: center;
}
.nav-logo-img {
  height: 142px;
  width: auto;
  display: block;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}
.nav-links a {
  color: var(--t-secondary);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  transition: color .2s ease;
}
.nav-links a:hover { color: var(--c-purple); }
.nav-cta {
  background: var(--c-purple);
  color: #fff !important;
  padding: 10px 22px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 14px;
  transition: background .2s ease, transform .2s ease !important;
}
.nav-cta:hover { background: var(--c-purple-dark); transform: translateY(-1px); }
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.mobile-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--t-primary);
  border-radius: 2px;
  transition: all .3s ease;
}

/* ===== HERO ===== */
.hero {
  padding: 160px 32px 120px;
  text-align: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(90deg, #EDF2F8 0%, var(--bg-white) 30%, var(--bg-white) 70%, #EDF2F8 100%);
}
.hero-spiral {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -45%) scale(0.88);
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 0.35;
  pointer-events: none;
  z-index: 0;
}
.hero > *:not(.hero-spiral) {
  position: relative;
  z-index: 1;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px; height: 900px;
  background: radial-gradient(circle, var(--c-purple-low) 0%, transparent 70%);
  pointer-events: none;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--c-purple-bg);
  border: 1px solid var(--border);
  padding: 8px 20px;
  border-radius: 100px;
  font-size: 13px;
  color: var(--c-purple-dark);
  margin-bottom: 32px;
  font-weight: 500;
}
.hero-badge .badge-dot {
  width: 6px; height: 6px;
  background: var(--c-purple);
  border-radius: 50%;
}
.hero h1 {
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 700;
  letter-spacing: -1px;
  line-height: 1.15;
  max-width: 800px;
  margin: 0 auto 24px;
  color: var(--t-secondary);
}
.hero h1 .highlight {
  font-size: clamp(48px, 7vw, 80px);
  font-weight: 800;
  letter-spacing: -1.5px;
  background: linear-gradient(135deg, var(--bg-alt) 0%, var(--c-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  margin: 4px 0;
}
.hero > p {
  font-size: 18px;
  color: var(--t-secondary);
  max-width: 580px;
  margin: 0 auto 40px;
  line-height: 1.7;
}
.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-stats {
  display: flex;
  justify-content: center;
  gap: 60px;
  margin-top: 80px;
}
.hero-stat { text-align: center; }
.hero-stat .number {
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -1px;
  color: var(--c-purple);
}
.hero-stat .label { font-size: 13px; color: var(--t-muted); margin-top: 4px; }

/* ===== SECTION BACKGROUNDS ===== */
.services-overview,
.services-detail { background: var(--bg-alt); }
.about-section,
.cta-dual { background: var(--bg-white); }
.cta-full { background: var(--bg-alt); }
.trust-section { background: var(--bg); }

/* ===== ABOUT ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: stretch;
  margin-top: 56px;
}
.about-side {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.about-image-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
  flex-shrink: 0;
}
.about-image-frame {
  position: relative;
  width: 100%;
  max-width: 420px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 2px solid var(--border-light);
  background: var(--bg-white);
  box-shadow: var(--shadow);
}
.about-image-frame img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-xl);
}
.about-image-frame .frame-glow {
  position: absolute;
  inset: -4px;
  border-radius: calc(var(--radius-xl) + 4px);
  background: linear-gradient(135deg, var(--c-purple), var(--c-accent), var(--c-purple-dark));
  opacity: .25;
  z-index: -1;
  filter: blur(20px);
}
.about-credentials {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 32px;
}
.cred-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--c-purple);
  font-weight: 600;
  margin-bottom: 6px;
}
.cred-value {
  font-size: 14px;
  font-weight: 600;
  color: var(--t-primary);
  line-height: 1.4;
}
.about-content .section-subtitle {
  margin-bottom: 20px;
}

.about-quote {
  margin-top: auto;
  padding: 24px;
  border-left: 3px solid var(--c-purple);
  background: var(--c-purple-bg);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-style: italic;
  color: var(--t-secondary);
  font-size: 15px;
  line-height: 1.7;
}
.about-quote strong {
  color: var(--t-primary);
  font-style: normal;
  display: block;
  margin-top: 8px;
}

/* ===== TRUST BADGES ===== */
.trust-section {
  padding: 64px 32px;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}
.trust-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--t-primary);
  font-size: 18px;
  font-weight: 700;
  white-space: nowrap;
}
.trust-item .trust-icon { font-size: 22px; color: var(--t-primary); }

/* ===== CTA FULL ===== */
.cta-full {
  text-align: center;
  padding: 120px 32px;
  position: relative;
  overflow: hidden;
}
.cta-full::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--c-purple-low) 0%, transparent 70%);
  pointer-events: none;
}
.cta-full .container { position: relative; }

/* ===== FOOTER ===== */
.footer {
  background: var(--bg-white);
  padding: 64px 32px 40px;
  border-top: 1px solid var(--border-light);
}
.footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}
.footer-left { display: flex; align-items: center; gap: 16px; }
.footer-logo { font-size: 18px; font-weight: 700; color: var(--t-primary); }
.footer-left span { color: var(--t-muted); font-size: 13px; }
.footer-right { display: flex; align-items: center; gap: 24px; }
.footer-right a {
  color: var(--t-muted);
  text-decoration: none;
  font-size: 13px;
  transition: color .2s ease;
}
.footer-right a:hover { color: var(--c-purple); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .card-grid { grid-template-columns: 1fr 1fr; }
  .card-grid--dual { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-side { order: -1; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .mobile-toggle { display: flex; position: absolute; right: 20px; }
  .nav .container { justify-content: center; position: relative; }
  .nav-logo-img {
    height: 110px;
    margin-right: 0;
  }
  section { padding: 64px 20px; }
  .hero { padding: 120px 20px 80px; }
  .hero-stats { gap: 32px; flex-wrap: wrap; }
  .card-grid { grid-template-columns: 1fr; }
  .about-credentials { grid-template-columns: 1fr; }
  .trust-inner { gap: 32px; }
  .hero h1 { font-size: 28px; }
  .hero h1 .highlight { font-size: 40px; }
  .section-title { font-size: 28px; }
}