/* ============================================
   EXP EQ LSC PRESERVE LLC - style.css
   Dark theme: violet #7c3aed + fuchsia #d946ef + sky accent
   ============================================ */

:root {
  --primary: #7c3aed;
  --secondary: #d946ef;
  --accent: #38bdf8;
  --bg-primary: #0a0a0f;
  --bg-secondary: #101018;
  --bg-card: #171724;
  --text-primary: #f1f5f9;
  --text-secondary: #a3aec2;
  --text-muted: #64748b;
  --border: #26263a;
  --gradient-1: linear-gradient(135deg, #7c3aed, #d946ef);
  --gradient-2: linear-gradient(135deg, #7c3aed, #38bdf8);
  --gradient-hero: linear-gradient(135deg, #0a0a0f 0%, #150f2b 50%, #0a0a0f 100%);
  --shadow-glow: 0 0 30px rgba(124, 58, 237, 0.18);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ============ NAVIGATION ============ */
nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}

nav.scrolled {
  background: rgba(10, 10, 15, 0.97);
  border-bottom-color: var(--border);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.3px;
}

.logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--gradient-1);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  box-shadow: var(--shadow-glow);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  padding: 9px 16px;
  border-radius: 8px;
  font-size: 0.94rem;
  color: var(--text-secondary);
}

.nav-links a:hover { color: var(--text-primary); background: rgba(255, 255, 255, 0.06); }

.nav-links a.active {
  color: #fff;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.25), rgba(217, 70, 239, 0.25));
}

.nav-links a.contact-btn {
  background: var(--gradient-1);
  color: #fff;
  font-weight: 600;
  box-shadow: var(--shadow-glow);
}

.nav-links a.contact-btn:hover { transform: translateY(-1px); opacity: 0.92; }

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

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

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-hero);
  overflow: hidden;
  padding: 140px 0 80px;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(124, 58, 237, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124, 58, 237, 0.07) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.9), transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.9), transparent 75%);
}

.hero::after {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.22), transparent 70%);
  top: -180px;
  right: -120px;
  filter: blur(60px);
}

.hero-container {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 60px;
  align-items: center;
  width: 100%;
}

.section-tag {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.25);
  margin-bottom: 20px;
}

.hero-content h1 {
  font-size: clamp(2.2rem, 4.5vw, 3.5rem);
  line-height: 1.15;
  font-weight: 800;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.gradient-text {
  background: var(--gradient-1);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.hero-content p {
  font-size: 1.08rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 560px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 28px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary {
  background: var(--gradient-1);
  color: #fff;
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover { transform: translateY(-2px); opacity: 0.92; }

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover { border-color: var(--primary); background: rgba(124, 58, 237, 0.08); }

.hero-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.stat {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center;
  transition: var(--transition);
}

.stat:hover {
  border-color: rgba(124, 58, 237, 0.5);
  box-shadow: var(--shadow-glow);
  transform: translateY(-3px);
}

.stat .number {
  display: block;
  font-size: 2.2rem;
  font-weight: 800;
  background: var(--gradient-2);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.stat .label {
  display: block;
  margin-top: 6px;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

/* ============ ABOUT PREVIEW ============ */
.about-section {
  padding: 100px 0;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.about-text h2 {
  font-size: 2.1rem;
  font-weight: 800;
  margin-bottom: 18px;
  letter-spacing: -0.3px;
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.about-features {
  margin-top: 24px;
  display: grid;
  gap: 10px;
}

.about-features li {
  position: relative;
  padding-left: 28px;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.about-features li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  top: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: #fff;
  background: var(--gradient-1);
  border-radius: 50%;
}

.about-visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.about-visual-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 20px;
  transition: var(--transition);
}

.about-visual-card:hover {
  transform: translateY(-4px);
  border-color: rgba(217, 70, 239, 0.5);
  box-shadow: var(--shadow-glow);
}

.about-visual-card .icon { font-size: 1.7rem; margin-bottom: 12px; }
.about-visual-card h4 { font-size: 1rem; margin-bottom: 6px; }
.about-visual-card p { font-size: 0.84rem; color: var(--text-muted); }

/* ============ SERVICES PREVIEW ============ */
.services-section {
  padding: 100px 0;
  background: var(--bg-secondary);
}

.services-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
}

.section-title {
  font-size: 2.1rem;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.3px;
}

.section-subtitle {
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 48px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  text-align: left;
}

.service-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 26px;
  overflow: hidden;
  transition: var(--transition);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-1);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.service-card:hover {
  transform: translateY(-5px);
  border-color: rgba(124, 58, 237, 0.45);
  box-shadow: var(--shadow-glow);
}

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

.service-card .icon { font-size: 1.8rem; margin-bottom: 16px; }
.service-card h3 { font-size: 1.12rem; margin-bottom: 10px; }
.service-card p { font-size: 0.92rem; color: var(--text-secondary); margin-bottom: 16px; }

.learn-more {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent);
}

.learn-more:hover { color: var(--secondary); }

/* ============ APPROACH ============ */
.approach-section {
  padding: 100px 0;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
  text-align: center;
}

.approach-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 48px;
  text-align: left;
}

.approach-step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  position: relative;
  transition: var(--transition);
}

.approach-step:hover { transform: translateY(-4px); border-color: rgba(56, 189, 248, 0.45); }

.step-num {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.approach-step h4 { font-size: 1.05rem; margin-bottom: 8px; }
.approach-step p { font-size: 0.88rem; color: var(--text-secondary); }

/* ============ CTA ============ */
.cta-section {
  padding: 80px 0;
  background: var(--gradient-1);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.12), transparent 50%);
}

.cta-container {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
}

.cta-container h2 {
  font-size: 1.9rem;
  font-weight: 800;
  margin-bottom: 14px;
}

.cta-container p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 28px;
}

.cta-container .btn {
  background: #fff;
  color: #7c3aed;
}

.cta-container .btn:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25); }

/* ============ PAGE BANNER ============ */
.page-banner {
  padding: 150px 24px 60px;
  text-align: center;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}

.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(124, 58, 237, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124, 58, 237, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
}

.page-banner h1 {
  position: relative;
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 12px;
}

.page-banner p {
  position: relative;
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 640px;
  margin: 0 auto;
}

/* ============ CONTENT PAGES ============ */
.content-page {
  padding: 70px 24px 100px;
}

.content-container {
  max-width: 960px;
  margin: 0 auto;
}

.content-section {
  margin-bottom: 52px;
}

.content-section h2 {
  font-size: 1.65rem;
  font-weight: 800;
  margin-bottom: 18px;
  padding-bottom: 10px;
  position: relative;
}

.content-section h2::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 56px;
  height: 3px;
  background: var(--gradient-1);
  border-radius: 3px;
}

.content-section p {
  color: var(--text-secondary);
  margin-bottom: 14px;
}

.content-section ul {
  margin: 12px 0 16px;
  display: grid;
  gap: 10px;
}

.content-section ul li {
  position: relative;
  padding-left: 26px;
  color: var(--text-secondary);
}

.content-section ul li::before {
  content: '\2192';
  position: absolute;
  left: 0;
  color: var(--secondary);
  font-weight: 700;
}

/* ============ SERVICE DETAILS ============ */
.service-detail-grid {
  display: grid;
  gap: 24px;
}

.service-detail-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: var(--transition);
}

.service-detail-card:hover {
  border-color: rgba(124, 58, 237, 0.4);
  box-shadow: var(--shadow-glow);
}

.service-detail-card h2 {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.service-icon { font-size: 1.5rem; }

.card-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.2);
  margin-bottom: 16px;
}

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

/* ============ DELIVERY MODEL ============ */
.delivery-model {
  margin-top: 60px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
}

.delivery-model h2 {
  text-align: center;
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 32px;
}

.delivery-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.delivery-step {
  text-align: center;
  padding: 20px 14px;
}

.delivery-step .step-num {
  width: 44px;
  height: 44px;
  margin: 0 auto 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--gradient-1);
  color: #fff;
  font-weight: 800;
  font-size: 1.05rem;
  box-shadow: var(--shadow-glow);
}

.delivery-step h4 { font-size: 0.98rem; margin-bottom: 8px; }
.delivery-step p { font-size: 0.82rem; color: var(--text-muted); }

/* ============ TEAM PAGE ============ */
.team-page-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin: 36px 0;
}

.team-page-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 22px;
  text-align: center;
  transition: var(--transition);
}

.team-page-card:hover {
  transform: translateY(-5px);
  border-color: rgba(217, 70, 239, 0.45);
  box-shadow: var(--shadow-glow);
}

.team-page-card .avatar {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.25), rgba(217, 70, 239, 0.25));
  border: 1px solid rgba(124, 58, 237, 0.35);
}

.team-page-card h3 { font-size: 1.02rem; margin-bottom: 4px; }

.team-page-card .role {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 10px;
}

.team-page-card .desc { font-size: 0.85rem; color: var(--text-muted); }

/* ============ CONTACT PAGE ============ */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
}

.contact-info h2 { margin-bottom: 28px; }

.contact-info-item {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}

.contact-info-item .icon {
  flex-shrink: 0;
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.2), rgba(217, 70, 239, 0.2));
  border: 1px solid rgba(124, 58, 237, 0.3);
}

.contact-info-item h4 { font-size: 0.95rem; margin-bottom: 4px; }
.contact-info-item p { font-size: 0.9rem; color: var(--text-secondary); }
.contact-info-item a:hover { color: var(--accent); }

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
}

.contact-form h2 { margin-bottom: 24px; }

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: inherit;
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
}

.form-group textarea { min-height: 130px; resize: vertical; }

.form-success {
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 0.9rem;
  display: none;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: #34d399;
}

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

/* ============ FOOTER ============ */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 70px 24px 30px;
}

.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 16px;
  max-width: 320px;
}

.footer-links h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 18px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.footer-links ul { display: grid; gap: 10px; }

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
}

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

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 26px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-bottom p { color: var(--text-muted); font-size: 0.85rem; }

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.footer-bottom-links a {
  color: var(--text-muted);
  font-size: 0.85rem;
}

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

/* ============ REVEAL ANIMATION ============ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .hero-container { grid-template-columns: 1fr; gap: 40px; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .approach-grid { grid-template-columns: repeat(2, 1fr); }
  .delivery-steps { grid-template-columns: repeat(3, 1fr); }
  .team-page-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .mobile-toggle { display: flex; }

  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(10, 10, 15, 0.98);
    border-bottom: 1px solid var(--border);
    padding: 20px 24px;
    gap: 6px;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links a { display: block; padding: 12px 16px; }

  .hero-stats { grid-template-columns: 1fr 1fr; }

  .services-grid { grid-template-columns: 1fr; }
  .approach-grid { grid-template-columns: 1fr; }
  .delivery-steps { grid-template-columns: 1fr; }
  .team-page-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .about-visual { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .hero-stats { grid-template-columns: 1fr; }
  .about-visual { grid-template-columns: 1fr; }
  .hero-buttons { flex-direction: column; }
  .btn { width: 100%; }
  .nav-container { padding: 0 16px; }
}