/* ============================================
   FATHOM BRAND COLORS - v2 / 2026 Guidelines
   ============================================ */
:root {
  /* Primary Brand Colors */
  --fathom-teal: #00D7B4;
  --fathom-navy: #071A2B;
  --fathom-navy-light: #243A53;

  /* Neutral Palette */
  --gray-1: #F8F8F8;
  --gray-2: #DADCDD;
  --gray-3: #BBBCC0;
  --gray-4: #747575;
  --white: #FFFFFF;

  /* Secondary Palette */
  --purple: #524B7B;
  --blue: #1B75FF;
  --coral: #FF4369;

  /* Typography Roles — per brand guidelines */
  /* IBM Plex Serif = primary headlines */
  /* IBM Plex Sans  = body copy + emphasis */
  /* Montserrat     = sub-headings (tertiary) */
  /* IBM Plex Mono  = labels, eyebrows, metadata */
  --font-headline: 'IBM Plex Serif', serif;
  --font-body: 'IBM Plex Sans', sans-serif;
  --font-sub: 'Montserrat', sans-serif;
  --font-label: 'IBM Plex Mono', monospace;
}

/* ============================================
   RESET & BASE
   ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--fathom-navy);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

/* ============================================
   TYPOGRAPHY SYSTEM
   Per brand guidelines:
   - Headlines: IBM Plex Serif Light, ALL CAPS
   - Sub-headings: Montserrat Semibold, ALL CAPS, tracking 5px
   - Body: IBM Plex Sans Regular (18pt, leading 28px)
   - Emphasis: IBM Plex Sans Semibold
   - Labels/eyebrows: IBM Plex Mono
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headline);
  font-weight: 300; /* Light */
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--fathom-navy);
  text-transform: Capitalize;
}

h1 { font-size: clamp(40px, 5vw, 72px); }
h2 { font-size: clamp(32px, 4vw, 56px); }
h3 { font-size: clamp(24px, 3vw, 40px); }

/* Sub-heading style — Montserrat Semibold, ALL CAPS, wide tracking */
.sub-heading {
  font-family: var(--font-sub);
  font-weight: 600;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--gray-4);
}

/* Eyebrow / label style — IBM Plex Mono */
.eyebrow {
  font-family: var(--font-label);
  font-size: 16px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--fathom-teal);
}

p {
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.75;
  color: var(--fathom-navy);
  margin-bottom: 1rem;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ============================================
   HEADER / NAV
   Wordmark only — no icon in sticky nav
   ============================================ */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--fathom-navy);
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.25rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Wordmark only — use Fathom_Wordmark_Teal.svg (not the lockup) */
.header-logo {
  height: 40px;
  width: auto;
}

.header-nav {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.header-nav a:not(.header-cta) {
  font-family: var(--font-label);
  font-size: 11px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--gray-3);
  text-decoration: none;
  transition: color 0.2s ease;
}

.header-nav a:not(.header-cta):hover {
  color: var(--fathom-teal);
}

.header-cta {
  padding: 0.5rem 1.25rem;
  background: transparent;
  color: var(--fathom-teal);
  border: 1px solid var(--fathom-teal);
  font-family: var(--font-label);
  font-size: 11px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  text-decoration: none;
  transition: all 0.2s ease;
}

.header-cta:hover {
  background: var(--fathom-teal);
  color: var(--fathom-navy);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn-primary {
  display: inline-block;
  padding: 0.875rem 2rem;
  background: var(--fathom-teal);
  color: var(--fathom-navy);
  font-family: var(--font-label);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  text-decoration: none;
  transition: all 0.2s ease;
  border: 1px solid var(--fathom-teal);
}

.btn-primary:hover {
  background: transparent;
  color: var(--fathom-teal);
}

.btn-secondary {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  background: transparent;
  color: var(--white);
  font-family: var(--font-label);
  font-size: 11px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.4);
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  border-color: var(--white);
  color: var(--white);
}

.btn-secondary-light {
  display: inline-block;
  padding: 0.875rem 2rem;
  background: transparent;
  color: var(--white);
  font-family: var(--font-label);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  text-decoration: none;
  border: 1px solid rgba(255,255,255,0.4);
  transition: all 0.2s ease;
}

.btn-secondary-light:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.05);
}

/* ============================================
   HERO — POOL SECTION (shared base)
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--fathom-navy);
  padding-top: 72px;
}

/* Pool background image */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/images/pool-background.svg');
  background-size: cover;
  background-position: center;
  opacity: 0.6;
  z-index: 0;
}

.pool-container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 4rem 2rem 6rem;
  text-align: center;
}

/* ============================================
   BUBBLES — Gentle pulse animation
   Replaces the rising/rotating animation
   ============================================ */
.bubbles-container {
  position: relative;
  min-height: 420px;
  margin: 0rem auto 0;
  max-width: 900px;
}

.bubble {
  position: absolute;
  cursor: pointer;
}

.bubble-graphic {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}

/* Gentle pulse — no rising, no rotation */
@keyframes bubblePulse {
  0%, 100% {
    transform: scale(1) translateY(0);
    opacity: 0.85;
  }
  50% {
    transform: scale(1.03) translateY(-8px);
    opacity: 1;
  }
}

.bubble-1 {
  bottom: 20px;
  left: 0;
  width: 280px;
  height: 280px;
  animation: bubblePulse 7s ease-in-out infinite;
}

.bubble-2 {
  bottom: 60px;
  left: 35%;
  transform: translateX(-50%);
  width: 260px;
  height: 260px;
  animation: bubblePulse 8s ease-in-out infinite;
  animation-delay: -2.5s;
}

.bubble-3 {
  bottom: 20px;
  right: 0;
  width: 280px;
  height: 280px;
  animation: bubblePulse 6.5s ease-in-out infinite;
  animation-delay: -4s;
}

/* Override transform on hover without breaking the base */
.bubble:hover {
  z-index: 10;
}

.bubble:hover .bubble-graphic {
  filter: drop-shadow(0 6px 24px rgba(0, 215, 180, 0.3));
}

.bubble-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2.5rem 2rem;
  height: 100%;
  text-align: center;
}

.bubble-content p {
  color: var(--white);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.5;
  margin: 0;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.4);
}

.bubble-cta {
  display: none;
  margin-top: 1rem;
  padding: 0.5rem 1rem;
  background: rgba(0, 215, 180, 0.9);
  color: var(--fathom-navy);
  border: none;
  font-family: var(--font-label);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.bubble:hover .bubble-cta {
  display: inline-block;
}

.bubble-cta:hover {
  background: var(--fathom-teal);
}

.hero-cta {
  margin-top: 3.5rem;
}

/* ============================================
   FATHOM LOGO in hero
   ============================================ */
.fathom-logo {
  width: 220px;
  height: auto;
  margin-bottom: 0;
}

/* ============================================
   HERO POV TEXT (used in Version A and B)
   ============================================ */
.hero-pov {
  margin-top: 3rem;
  margin-bottom: 0;
}

.hero-pov-headline {
  font-family: var(--font-headline);
  font-weight: 500;
  font-size: clamp(36px, 4.5vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  text-transform: capitalize;
  color: var(--white);
  margin: 0;
}

.hero-pov-sub {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  color: var(--gray-3);
  max-width: 520px;
  margin: 1.25rem auto 0;
  line-height: 1.6;
}

/* ============================================
   POSITIONING SECTION
   ============================================ */
.positioning {
  padding: 10rem 0;
  background: var(--fathom-navy);
  text-align: center;
}

.positioning .eyebrow {
    color: var(--white);
}

.positioning h2 {
  font-size: clamp(32px, 4vw, 56px);
  font-weight: 300;
  color: var(--white);
  max-width: 900px;
  margin: 0 auto;
  line-height: 1.1;
}

.positioning-highlight {
  color: var(--white);
    font-weight: 500;
}

/* ============================================
   PHILOSOPHY SECTIONS
   Image overlay sections for case studies
   Headlines: IBM Plex Serif, NO italic, NO quotes, bold statements
   ============================================ */
.philosophy-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 6rem 0;
  overflow: hidden;
}

.philosophy-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: grayscale(100%) brightness(0.35);
  z-index: 0;
}

.philosophy-section-1::before { background-image: url('/images/case-nascar.webp'); }
.philosophy-section-2::before { background-image: url('/images/case-sportsbook.webp'); }
.philosophy-section-3::before { background-image: url('/images/case-wealth.webp'); }

.philosophy-content {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  width: 100%;
}

/* Eyebrow label above philosophy headline */
.philosophy-eyebrow {
  font-family: var(--font-label);
  font-size: 11px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--fathom-teal);
  margin-bottom: 1.5rem;
  display: block;
}

/* Philosophy headline: IBM Plex Serif Light, NO quotes, NO italic */
.philosophy-label {
  font-family: var(--font-headline);
  font-weight: 300;
  font-size: clamp(32px, 4vw, 54px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 2.5rem;
  font-style: normal;
  text-shadow: none;
  max-width: 800px;
}

.philosophy-value {
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 400;
  color: var(--gray-2);
  margin-bottom: 3rem;
  max-width: 680px;
  line-height: 1.75;
}

.philosophy-value strong {
  color: var(--white);
  font-weight: 600;
}

.philosophy-cta {
  text-align: left;
}

/* ============================================
   COMPANY OVERVIEW
   ============================================ */
.company-overview {
  padding: 8rem 0;
  background: var(--fathom-navy);
  color: var(--white);
}

.company-overview h2 {
  color: var(--white);
  margin-bottom: 2.5rem;
}

.overview-content {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.overview-content p {
  font-size: 18px;
  line-height: 1.75;
  color: var(--gray-3);
  margin-bottom: 1.5rem;
}

.overview-highlight {
  color: var(--fathom-teal);
  font-weight: 600;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
  padding: 8rem 0;
  background: var(--fathom-navy-light);
  text-align: center;
}

.cta-content h2 {
  color: var(--white);
  margin-bottom: 1.5rem;
}

.cta-content p {
  color: var(--gray-3);
  font-size: 18px;
  max-width: 600px;
  margin: 0 auto 3rem;
  line-height: 1.75;
}

.cta-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================
   FOOTER
   Icon lives here as a sign-off element
   ============================================ */
.footer {
  background: var(--fathom-navy);
  color: var(--white);
  padding: 5rem 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

/* Footer uses wordmark (white version) */
.footer-logo {
  height: 40px;
  width: auto;
  margin-bottom: 1.5rem;
  display: block;
}

/* Icon as footer sign-off element */
.footer-icon-signoff {
  height: 48px;
  width: auto;
  opacity: 0.4;
  margin-top: 1rem;
  display: block;
}

.footer-section h3 {
  font-family: var(--font-label);
  font-size: 11px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--gray-4);
  margin-bottom: 1.25rem;
}

.footer-tagline {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--gray-4);
  line-height: 1.6;
  font-style: normal;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-link {
  color: var(--gray-3);
  text-decoration: none;
  font-family: var(--font-body);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 0.625rem;
  transition: color 0.2s ease;
}

.footer-link:hover {
  color: var(--fathom-teal);
}

.footer-link-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  opacity: 0.6;
}

.footer-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  text-align: center;
}

.footer-bottom p {
  color: var(--gray-4);
  font-size: 14px;
  margin: 0;
}
/* ============================================
   CASE STUDIES LANDING PAGE
   ============================================ */
.case-studies-hero {
  padding: 10rem 0 5rem;
  background: var(--fathom-navy);
  color: var(--white);
  text-align: center;
}

.case-studies-hero .eyebrow {
  margin-bottom: 1.5rem;
}

.case-studies-hero h1 {
  color: var(--white);
  margin-bottom: 1.5rem;
}

.case-studies-hero p {
  font-size: 18px;
  color: var(--gray-3);
  max-width: 600px;
  margin: 0 auto;
}

.case-studies-grid-section {
  padding: 6rem 0;
  background: var(--gray-1);
}

.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 2rem;
}

.case-card {
  background: var(--white);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.case-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(7, 26, 43, 0.1);
}

.case-card-image {
  width: 100%;
  height: 220px;
  overflow: hidden;
  background: var(--gray-2);
}

.case-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  transition: transform 0.4s ease;
}

.case-card:hover .case-card-image img {
  transform: scale(1.04);
}

.case-card-content {
  padding: 2rem;
}

/* Case card headline: IBM Plex Serif, capitalize each words */
.case-card-content h3 {
  font-family: var(--font-headline);
  font-weight: 400;
  font-size: 22px;
  text-transform: capitalize;
  letter-spacing: -0.01em;
  color: var(--fathom-navy);
  margin-bottom: 0.5rem;
  line-height: 1.2;
}

.case-card-meta {
  font-family: var(--font-label);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--gray-4);
  margin-bottom: 1rem;
}

.case-card-description {
  font-size: 15px;
  color: var(--gray-4);
  margin-bottom: 1.5rem;
  line-height: 1.65;
}

.case-card .btn-secondary {
  color: var(--fathom-navy);
  border-color: var(--fathom-navy);
  font-size: 11px;
}

.case-card .btn-secondary:hover {
  background: var(--fathom-navy);
  color: var(--white);
}

/* ============================================
   INDIVIDUAL CASE STUDY PAGE
   ============================================ */
.case-study {
  background: var(--white);
}

.case-hero-section {
  position: relative;
  height: 75vh;
  min-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-top: 72px;
}

.case-hero-image {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.case-hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
}

.case-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom,
    rgba(7, 26, 43, 0.55) 0%,
    rgba(7, 26, 43, 0.75) 100%);
  z-index: 2;
}

.case-hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  color: var(--white);
  padding: 0 2rem;
}

/* Eyebrow label above case headline */
.case-client {
  font-family: var(--font-label);
  font-size: 11px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--fathom-teal);
  margin-bottom: 1.25rem;
}

/* Case hero headline: IBM Plex Serif, ALL CAPS */
.case-hero-content h1 {
  font-family: var(--font-headline);
  font-weight: 300;
  font-size: clamp(32px, 5vw, 64px);
  text-transform: uppercase;
  letter-spacing: -0.02em;
  line-height: 1.05;
  color: var(--white);
  max-width: 900px;
  margin: 0 auto 1.25rem;
}

.case-industry {
  font-family: var(--font-label);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-3);
}

.case-content {
  padding: 6rem 0;
}

.case-body {
  max-width: 760px;
  margin: 0 auto;
}

.case-body h2 {
  font-family: var(--font-sub);
  font-weight: 600;
  font-size: clamp(20px, 2.5vw, 28px);
  color: var(--fathom-navy);
  margin-top: 3rem;
  margin-bottom: 1.25rem;
}

.case-body h3 {
  font-size: clamp(18px, 2.5vw, 26px);
  color: var(--fathom-navy);
  margin-top: 2rem;
  margin-bottom: 0.875rem;
}

.case-body p {
  font-size: 18px;
  line-height: 1.8;
  color: var(--fathom-navy);
  margin-bottom: 1.5rem;
}

.case-body ul,
.case-body ol {
  margin-bottom: 1.5rem;
  padding-left: 1.75rem;
}

.case-body li {
  font-size: 18px;
  line-height: 1.8;
  color: var(--fathom-navy);
  margin-bottom: 0.5rem;
}

.case-body strong {
  color: var(--fathom-navy);
  font-weight: 600;
}

/* Case Insight Section */
.case-insight {
  margin-top: 0rem;
  padding: 2rem;
  border-left: 4px solid var(--fathom-teal);
    background: var(--gray-1);
}

.case-insight p {
  font-family: var(--font-headline);
  font-weight: 500;
  font-size: 24px;
  line-height: 1.6;
  color: var(--fathom-navy);
  margin: 0;
}

.case-cta {
  padding: 6rem 0;
  background: var(--fathom-navy);
  text-align: center;
}

.case-cta-content h2 {
  color: var(--white);
  margin-bottom: 1.5rem;
}

.case-cta-content p {
  color: var(--gray-3);
  font-size: 18px;
  max-width: 600px;
  margin: 0 auto 3rem;
}

.case-cta-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
  .header-nav a:not(.header-cta) {
    display: none;
  }

  .header-cta {
    padding: 0.5rem 1rem;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .bubble-1, .bubble-2, .bubble-3 {
    width: 150px;
    height: 150px;
  }

  .bubble-2 {
    bottom: 180px;
  }

  .bubbles-container {
    min-height: 560px;
  }

  .philosophy-section {
    padding: 4rem 0;
  }

  .positioning {
    padding: 6rem 0;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}