/* ============================================
   CUSTOMER EQUITY LABS - Main Stylesheet
   Brand: #0E0F11 (Black) | #F2F3F5 (White) | #A5D35D (Green) | #7A7F87 (Gray) | #9AA0A6 (Light Gray)
   Fonts: Oswald (Headings) | Montserrat (Body)
   ============================================ */

/* --- CSS Variables --- */
:root {
  --black: #0E0F11;
  --white: #F2F3F5;
  --green: #A5D35D;
  --green-dark: #8FB84E;
  --gray: #7A7F87;
  --gray-light: #9AA0A6;
  --bg-secondary: #1a1b1e;
  --font-heading: 'Oswald', sans-serif;
  --font-body: 'Montserrat', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background-color: var(--black);
  color: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--white); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--green); }

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

/* --- HEADER --- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(14, 15, 17, 0.95);
  backdrop-filter: blur(10px);
  height: 70px; display: flex; align-items: center;
  border-bottom: 1px solid rgba(122, 127, 135, 0.15);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px;
}
.header-logo { display: flex; align-items: center; gap: 10px; }
.logo-icon {
  width: 36px; height: 36px; border-radius: 4px;
  display: flex; align-items: center; justify-content: center;
}
.logo-icon img { width: 100%; height: 100%; object-fit: contain; }
.logo-text { font-family: var(--font-heading); font-size: 16px; color: var(--white); letter-spacing: 0.5px; }
.logo-text span { color: var(--green); }

.header-nav { display: flex; gap: 28px; align-items: center; }
.header-nav a {
  font-family: var(--font-body); font-size: 14px; font-weight: 500;
  color: var(--white); transition: color 0.2s;
}
.header-nav a:hover { color: var(--green); }

.btn { display: inline-block; padding: 10px 24px; border-radius: 4px; font-family: var(--font-body); font-size: 14px; font-weight: 600; cursor: pointer; transition: all 0.2s; border: none; text-decoration: none; }
.btn--primary { background: var(--green); color: var(--black); }
.btn--primary:hover { background: var(--green-dark); color: var(--black); }
.btn--outline { background: transparent; border: 1px solid var(--green); color: var(--green); }
.btn--outline:hover { background: var(--green); color: var(--black); }
.header-nav .btn--outline:hover { background: var(--green); color: var(--black); }

.text-link { color: var(--white); font-size: 14px; font-family: var(--font-body); }
.text-link:hover { color: var(--green); }
.text-link--green { color: var(--green); }

.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--white); transition: all 0.3s; }

/* --- EYEBROW --- */
.eyebrow {
  font-family: var(--font-body); font-size: 14px; font-weight: 500;
  text-transform: uppercase; letter-spacing: 2px; color: var(--green);
  margin-bottom: 16px;
}

/* --- SECTION HEADERS --- */
.section-header {
  font-family: var(--font-heading); font-size: 14px; text-transform: uppercase;
  letter-spacing: 2px; color: var(--green); margin-bottom: 24px;
}
.section-header--gray { color: var(--gray); }

/* --- HERO SECTIONS --- */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  padding: 120px 0 80px; position: relative; overflow: hidden;
}
.hero--short { min-height: auto; padding: 160px 0 80px; }
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background-size: cover; background-position: center; opacity: 0.18;
}
.hero .container { position: relative; z-index: 1; }
.hero h1 {
  font-family: var(--font-heading); font-size: 48px; font-weight: 500;
  line-height: 1.15; color: var(--white); max-width: 800px; margin-bottom: 24px;
}
.hero .subhead {
  font-size: 18px; color: var(--gray-light); max-width: 600px;
  line-height: 1.7; margin-bottom: 32px;
}
.cta-group { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; }

/* --- TWO COLUMN LAYOUT --- */
.two-col {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px;
  align-items: center; padding: 80px 0;
}
.two-col--55-45 { grid-template-columns: 55fr 45fr; }
.two-col--60-40 { grid-template-columns: 60fr 40fr; }
.two-col--40-60 { grid-template-columns: 40fr 60fr; }

.two-col h2 {
  font-family: var(--font-heading); font-size: 32px; font-weight: 500;
  line-height: 1.2; margin-bottom: 20px;
}
.two-col p { color: var(--gray-light); font-size: 16px; line-height: 1.8; margin-bottom: 16px; }
.two-col img { border-radius: 8px; }

/* --- CARDS --- */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; padding: 60px 0; }
.card-grid--2col { grid-template-columns: repeat(2, 1fr); }
.card {
  background: transparent; border: 1px solid var(--gray); border-radius: 8px;
  padding: 32px; transition: all 0.3s;
}
.card:hover { border-color: var(--green); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0,0,0,0.3); }
.card-tag { font-family: var(--font-body); font-size: 12px; color: var(--green); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 12px; }
.card-metric { font-family: var(--font-heading); font-size: 48px; color: var(--green); margin-bottom: 8px; }
.card-metric--sm { font-size: 40px; }
.card h3 { font-family: var(--font-heading); font-size: 20px; font-weight: 500; margin-bottom: 12px; }
.card p { color: var(--gray-light); font-size: 14px; line-height: 1.7; }
.card-icon { width: 48px; height: 48px; margin-bottom: 16px; }
.card-img { width: 100%; border-radius: 6px; margin-bottom: 16px; }

/* --- PROOF POINTS --- */
.proof-points { padding: 60px 0; }
.proof-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.proof-card {
  background: var(--black); border: 1px solid var(--gray); border-radius: 8px;
  padding: 32px; text-align: center; transition: border-color 0.3s;
}
.proof-card:hover { border-color: var(--green); }
.proof-card .metric { font-family: var(--font-heading); font-size: 48px; color: var(--green); }
.proof-card .label { font-size: 14px; color: var(--white); margin-top: 8px; }
.proof-card .context { font-size: 12px; color: var(--gray); margin-top: 4px; }

/* --- THREE STEPS --- */
.steps { padding: 80px 0; text-align: center; }
.steps h2 { font-family: var(--font-heading); font-size: 32px; margin-bottom: 48px; }
.steps-row { display: flex; gap: 40px; justify-content: center; align-items: flex-start; position: relative; }
.step { flex: 1; max-width: 300px; text-align: center; }
.step-number {
  width: 48px; height: 48px; border: 2px solid var(--green); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-heading); font-size: 20px; color: var(--green);
  margin: 0 auto 16px;
}
.step h3 { font-family: var(--font-heading); font-size: 18px; margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--gray-light); line-height: 1.6; }

/* --- TESTIMONIALS --- */
.testimonials { padding: 60px 0; text-align: center; position: relative; }
.testimonial-quote {
  font-family: var(--font-body); font-size: 22px; font-style: italic;
  color: var(--white); max-width: 700px; margin: 0 auto 20px; line-height: 1.6;
  position: relative;
}
.testimonial-quote::before {
  content: '\201C'; font-size: 120px; color: var(--green); opacity: 0.15;
  position: absolute; top: -50px; left: -30px; font-family: Georgia, serif;
}
.testimonial-author { font-size: 14px; color: var(--gray); }

/* --- SOCIAL FEEDS --- */
.social-feeds { padding: 60px 0; }
.social-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.social-col { max-width: 350px; margin: 0 auto; width: 100%; }
.social-col h3 { font-family: var(--font-heading); font-size: 16px; color: var(--gray); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 16px; text-align: center; }

/* --- FINAL CTA --- */
.final-cta {
  text-align: center; padding: 100px 0;
  background: linear-gradient(to bottom, var(--black), var(--bg-secondary));
}
.final-cta h2 { font-family: var(--font-heading); font-size: 36px; margin-bottom: 16px; }
.final-cta .subhead { font-size: 16px; color: var(--gray-light); margin-bottom: 32px; }

/* --- SCENARIO LIST --- */
.scenario-list { list-style: none; padding: 0; }
.scenario-list li {
  padding: 12px 0 12px 24px; font-size: 15px; color: var(--gray-light);
  border-left: 2px solid var(--green); margin-bottom: 12px; line-height: 1.6;
}

/* --- OUTCOMES LIST --- */
.outcome-list { list-style: none; padding: 0; }
.outcome-list li { padding: 8px 0; font-size: 15px; color: var(--gray-light); display: flex; align-items: baseline; gap: 12px; }
.outcome-list li::before { content: '—'; color: var(--green); font-weight: 700; flex-shrink: 0; }

/* --- DATA REQUIREMENTS --- */
.data-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 24px; }
.data-cols h3 { font-family: var(--font-heading); font-size: 16px; margin-bottom: 12px; }
.data-cols h3.green { color: var(--green); }
.data-cols h3.gray { color: var(--gray-light); }
.data-cols ul { list-style: none; padding: 0; }
.data-cols li { padding: 6px 0; font-size: 14px; color: var(--gray-light); border-bottom: 1px solid rgba(122,127,135,0.15); }
.data-note { font-size: 13px; color: var(--gray); margin-top: 24px; line-height: 1.7; font-style: italic; }

/* --- CREDENTIALS --- */
.credentials { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; padding: 60px 0; }
.credential h3 { font-family: var(--font-heading); font-size: 18px; color: var(--green); margin-bottom: 8px; }
.credential p { font-size: 13px; color: var(--gray-light); }

/* --- TEAM CARDS --- */
.team-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 24px; text-align: center; padding: 40px 0; }
.team-card img { width: 120px; height: 120px; border-radius: 50%; margin: 0 auto 16px; object-fit: cover; border: 2px solid var(--green); }
.team-card h3 { font-family: var(--font-heading); font-size: 16px; margin-bottom: 4px; }
.team-card p { font-size: 13px; color: var(--gray-light); }

/* --- BOOK SECTION --- */
.book-section { border-top: 1px solid var(--gray); }
.book-section img { border-radius: 8px; box-shadow: 0 12px 40px rgba(0,0,0,0.4); }

/* --- RESOURCE CARDS --- */
.resource-card .format { font-size: 12px; color: var(--gray); margin-top: 12px; }

/* --- MODAL --- */
.modal-overlay {
  display: none; position: fixed; inset: 0; z-index: 2000;
  background: rgba(14, 15, 17, 0.85); align-items: center; justify-content: center;
}
.modal-overlay.active { display: flex; }
.modal {
  background: var(--bg-secondary); border: 1px solid var(--gray); border-radius: 8px;
  max-width: 480px; width: 90%; padding: 40px; position: relative;
}
.modal-close {
  position: absolute; top: 16px; right: 16px; background: none; border: none;
  color: var(--gray); font-size: 24px; cursor: pointer; transition: color 0.2s;
}
.modal-close:hover { color: var(--white); }
.modal h2 { font-family: var(--font-heading); font-size: 24px; margin-bottom: 8px; }
.modal .subhead { font-size: 14px; color: var(--gray-light); margin-bottom: 24px; }
.modal input {
  display: block; width: 100%; padding: 12px; margin-bottom: 12px;
  background: var(--black); border: 1px solid var(--gray); border-radius: 4px;
  color: var(--white); font-family: var(--font-body); font-size: 14px;
}
.modal input:focus { outline: none; border-color: var(--green); }
.modal .btn { width: 100%; text-align: center; margin-top: 8px; }
.modal .privacy-note { font-size: 11px; color: var(--gray); margin-top: 12px; text-align: center; }

/* --- ICON GRID --- */
.icon-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 24px; text-align: center; padding: 40px 0; }
.icon-grid-item svg { width: 32px; height: 32px; stroke: var(--gray); margin: 0 auto 8px; display: block; }
.icon-grid-item p { font-size: 14px; color: var(--white); }

/* --- FOOTER --- */
.site-footer {
  background: var(--black); padding: 60px 0 20px;
  border-top: 1px solid rgba(122,127,135,0.2);
  background-image: var(--footer-bg);
  background-size: cover; background-position: center;
}
.footer-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-logo .logo-icon { margin-bottom: 12px; }
.footer-tagline { font-family: var(--font-heading); font-size: 16px; color: var(--white); margin-bottom: 8px; }
.footer-copyright { font-size: 12px; color: var(--gray); }
.footer-col-header { font-family: var(--font-heading); font-size: 14px; color: var(--gray-light); text-transform: uppercase; letter-spacing: 2px; margin-bottom: 16px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 14px; color: var(--white); }
.footer-social { display: flex; gap: 16px; margin-bottom: 16px; }
.footer-social a { color: var(--white); }
.footer-social a:hover { color: var(--green); }
.footer-contact { display: flex; flex-direction: column; gap: 8px; }
.email-link { font-size: 14px; color: var(--white); }
.book-link { font-size: 14px; color: var(--green); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 20px; border-top: 1px solid var(--gray);
}
.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a { font-size: 12px; color: var(--gray); }
.footer-bottom-right { font-size: 12px; color: var(--gray); font-style: italic; }

/* --- ANIMATIONS --- */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
.fade-in { opacity: 0; animation: fadeInUp 0.6s ease forwards; }
.fade-in-d1 { animation-delay: 0.1s; }
.fade-in-d2 { animation-delay: 0.2s; }
.fade-in-d3 { animation-delay: 0.3s; }
.fade-in-d4 { animation-delay: 0.4s; }

/* --- RESPONSIVE --- */
@media (max-width: 900px) {
  .site-header { height: 60px; }
  .header-nav { display: none; }
  .hamburger { display: flex; }
  .header-nav.active {
    display: flex; flex-direction: column; position: fixed;
    top: 0; right: 0; bottom: 0; width: 280px;
    background: var(--black); padding: 80px 32px 32px; gap: 20px; z-index: 1001;
    border-left: 1px solid var(--gray);
  }
  .hero h1 { font-size: 32px; }
  .hero .subhead { font-size: 16px; }
  .two-col, .two-col--55-45, .two-col--60-40, .two-col--40-60 { grid-template-columns: 1fr; gap: 40px; }
  .card-grid, .proof-grid { grid-template-columns: 1fr; }
  .card-grid--2col { grid-template-columns: 1fr; }
  .steps-row { flex-direction: column; align-items: center; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .credentials { grid-template-columns: repeat(2, 1fr); }
  .icon-grid { grid-template-columns: repeat(2, 1fr); }
  .social-grid { grid-template-columns: 1fr; }
  .data-cols { grid-template-columns: 1fr; }
}