/* ============================================================
   Calyber AI — Homepage-Specific Design Layer
   Loads AFTER redesign.css on index.html only.
   Contains: hero 2-col layout, geometric visual, problem 2-col,
             sprint steps vertical, featured case card,
             team enterprise badge, partnership leader photo.
   Shared styles (scroll reveals, nav, footer, buttons, CTA)
   live in redesign.css.
   ============================================================ */

/* ---- HERO LAYOUT (2-col with geometric visual) ---- */
.hero {
  padding: 80px 0 72px;
  border-bottom: none;
  position: relative;
  overflow: hidden;
  background: var(--color-cream);
}

.hero::after {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(232,130,12,0.06) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
}

/* Hero entrance animations */
@keyframes hero-enter {
  from { opacity: 0; transform: translateY(32px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes hero-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

.hero-eyebrow { animation: hero-enter 0.7s cubic-bezier(0.16, 1, 0.3, 1) 0.1s both; }
.hero h1 { animation: hero-enter 0.7s cubic-bezier(0.16, 1, 0.3, 1) 0.2s both; }
.hero-sub { animation: hero-enter 0.7s cubic-bezier(0.16, 1, 0.3, 1) 0.3s both; }
.hero .btn-group { animation: hero-enter 0.7s cubic-bezier(0.16, 1, 0.3, 1) 0.4s both; }
.hero-proof { animation: hero-fade 1s ease 0.7s both; }

/* Hero Geometric Visual */
.hero-visual {
  position: relative;
  z-index: 1;
  animation: hero-fade 1.2s ease 0.3s both;
}

.hero-visual svg {
  width: 100%;
  height: auto;
  display: block;
}

/* Floating animations for hero shapes */
@keyframes float-1 {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-14px) rotate(1deg); }
}
@keyframes float-2 {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-10px) rotate(-1.5deg); }
}
@keyframes float-3 {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
@keyframes pulse-dot {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

.hero-float-1 { animation: float-1 6s ease-in-out infinite; }
.hero-float-2 { animation: float-2 8s ease-in-out infinite 1s; }
.hero-float-3 { animation: float-3 7s ease-in-out infinite 0.5s; }
.hero-pulse-dot { animation: pulse-dot 3s ease-in-out infinite; }

/* ---- PROOF BAR (homepage-specific sizing) ---- */
.proof-bar {
  padding: 56px 0;
}

.proof-stat {
  padding: 24px 16px;
  border-right: 1px solid rgba(247,244,239,0.08);
}

.proof-stat:last-child { border-right: none; }

.proof-stat-number {
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.proof-stat-label {
  font-size: 0.875rem;
  color: rgba(247,244,239,0.6);
}

.proof-stat-source {
  font-size: 0.75rem;
  color: rgba(247,244,239,0.3);
  margin-top: 6px;
}

/* ---- PROBLEM SECTION (2-col with pull quote) ---- */
.problem-section {
  padding: 100px 0;
  background: var(--color-white);
  position: relative;
  overflow: hidden;
}

.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: start;
}

.problem-pullquote {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 2.8vw, 2.25rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-charcoal);
  padding-left: 28px;
  border-left: 4px solid var(--color-amber);
  position: relative;
}

.problem-pullquote::before {
  content: '';
  position: absolute;
  left: -1px;
  top: -8px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-amber);
}

.problem-detail p {
  margin-bottom: 20px;
  font-size: 1rem;
  line-height: 1.75;
}

.problem-detail p:last-child { margin-bottom: 0; }

.problem-section::after {
  content: '';
  position: absolute;
  bottom: -60px;
  right: -60px;
  width: 200px;
  height: 200px;
  border: 40px solid rgba(30,18,72,0.03);
  border-radius: 50%;
  pointer-events: none;
}

/* ---- SPRINT STEPS (2-col with connecting line) ---- */
.sprint-section {
  padding: 100px 0;
  background: var(--color-cream);
}

.sprint-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.sprint-left {
  position: sticky;
  top: 100px;
}

.sprint-left .section-label { margin-bottom: 16px; }
.sprint-left h2 { margin-bottom: 16px; }
.sprint-left p { margin-bottom: 32px; }

.sprint-steps-vertical {
  position: relative;
  padding-left: 48px;
}

.sprint-steps-vertical::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 20px;
  bottom: 20px;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-amber), var(--color-indigo));
  border-radius: 2px;
}

.sprint-step-v {
  position: relative;
  padding-bottom: 48px;
}

.sprint-step-v:last-child { padding-bottom: 0; }

.sprint-step-v::before {
  content: '';
  position: absolute;
  left: -41px;
  top: 6px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-amber);
  border: 3px solid var(--color-cream);
  box-shadow: 0 0 0 2px var(--color-amber);
  z-index: 2;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.sprint-step-v:hover::before {
  transform: scale(1.2);
  box-shadow: 0 0 0 3px var(--color-amber), 0 0 12px rgba(232,130,12,0.3);
}

.sprint-step-v .step-label {
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-amber);
  margin-bottom: 6px;
}

.sprint-step-v h4 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--color-charcoal);
}

.sprint-step-v p {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--color-charcoal-light);
}

/* ---- CASE STUDIES (featured card + elevated grid) ---- */
.case-studies-section {
  padding: 100px 0;
  background: var(--color-white);
}

.case-studies-grid {
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

/* Featured first card */
.case-card.featured-case {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0;
  padding: 0;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-indigo) 0%, #2a1a5e 100%);
  border-color: transparent;
}

.case-card.featured-case .case-card-inner-left {
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 260px;
  background: rgba(232,130,12,0.06);
  border-right: 1px solid rgba(247,244,239,0.08);
}

.case-card.featured-case .case-card-inner-right { padding: 40px; }
.case-card.featured-case .case-card-tag { background-color: rgba(232,130,12,0.15); color: var(--color-amber); }
.case-card.featured-case .case-card-metric { color: var(--color-cream); font-size: 4rem; }
.case-card.featured-case .case-card-metric-label { color: rgba(247,244,239,0.6); }
.case-card.featured-case h4 { color: var(--color-cream); font-size: 1.25rem; }
.case-card.featured-case p { color: rgba(247,244,239,0.7); }
.case-card.featured-case .case-card-client { border-top-color: rgba(247,244,239,0.1); color: rgba(247,244,239,0.45); }
.case-card.featured-case .case-card-client-dot { background-color: var(--color-amber); }

/* Standard cards */
.case-card {
  border-radius: 16px;
  padding: 32px;
  box-shadow: 0 1px 3px rgba(28,28,30,0.04);
  transition: all 0.45s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.case-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 16px;
  border: 2px solid transparent;
  transition: border-color 0.3s ease;
  pointer-events: none;
}

.case-card:hover {
  box-shadow: 0 16px 48px rgba(28,28,30,0.1), 0 4px 12px rgba(28,28,30,0.04);
  transform: translateY(-6px);
}

.case-card:hover::after { border-color: rgba(232,130,12,0.2); }

.case-card-metric { font-size: 2.75rem; letter-spacing: -0.02em; }

/* CTA card */
.case-card.case-cta-card {
  border-color: var(--color-amber);
  background: linear-gradient(135deg, var(--color-amber-light) 0%, #fef7ed 100%);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.case-card.case-cta-card:hover {
  box-shadow: 0 16px 48px rgba(232,130,12,0.15), 0 4px 12px rgba(232,130,12,0.08);
}

/* ---- FIELD NOTES / WRITING SECTION ---- */
.writing-section {
  padding: 100px 0;
  background: var(--color-cream);
}

.writing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
}

/* Writing card — inherits .case-card base for hover/reveal animation */
.case-card.writing-card {
  display: flex;
  flex-direction: column;
  padding: 32px;
  background: var(--color-white);
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--color-border);
}

.case-card.writing-card .case-card-tag {
  align-self: flex-start;
  margin-bottom: 24px;
}

.case-card.writing-card h4 {
  font-family: 'Fraunces', serif;
  font-size: 1.25rem;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--color-indigo);
  margin: 0 0 14px 0;
  transition: color 0.3s ease;
}

.case-card.writing-card p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-charcoal-light);
  margin: 0 0 28px 0;
  flex-grow: 1;
}

.writing-card-footer {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-amber);
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
  transition: gap 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.writing-card-footer svg {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.case-card.writing-card:hover h4 {
  color: var(--color-amber);
}

.case-card.writing-card:hover .writing-card-footer {
  gap: 10px;
}

.case-card.writing-card:hover .writing-card-footer svg {
  transform: translateX(4px);
}

/* Sprint-primer secondary link (matches final-CTA arrow link) */
.sprint-primer-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-charcoal-light);
  text-decoration: none;
  transition: color 0.25s ease, gap 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.sprint-primer-link svg {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.sprint-primer-link:hover {
  color: var(--color-amber);
  gap: 10px;
}

.sprint-primer-link:hover svg {
  transform: translateX(4px);
}

/* ---- TEAM SECTION ---- */
.team-section {
  padding: 100px 0;
  background: var(--color-cream);
}

.team-card {
  border-radius: 16px;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.team-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 16px;
  background: linear-gradient(135deg, transparent 60%, rgba(232,130,12,0.03) 100%);
  pointer-events: none;
  z-index: 0;
}

.team-card:hover {
  box-shadow: 0 12px 40px rgba(28,28,30,0.08);
  transform: translateY(-3px);
}

.team-role {
  border-radius: 8px;
  transition: background-color 0.2s ease;
}

.team-role:hover { background-color: rgba(232,130,12,0.06); }

/* Enterprise card premium */
.team-card-enterprise {
  border: 2px solid var(--color-amber) !important;
  box-shadow: 0 0 0 1px var(--color-amber), 0 4px 16px rgba(232,130,12,0.08);
}

.team-card-enterprise::after {
  content: 'RECOMMENDED';
  position: absolute;
  top: 20px;
  right: -32px;
  background: var(--color-amber);
  color: white;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 4px 40px;
  transform: rotate(45deg);
  z-index: 2;
}

/* ---- PARTNERSHIP SECTION ---- */
.partnership-section {
  padding: 80px 0;
  position: relative;
  overflow: hidden;
  background: var(--color-white);
}

.partnership-section::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 300px;
  height: 100%;
  background: linear-gradient(to left, rgba(30,18,72,0.015) 0%, transparent 100%);
  pointer-events: none;
}

.partnership-inner { position: relative; z-index: 1; }

.partnership-client-pill {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.partnership-client-pill:hover { transform: translateY(-3px); }

.partnership-stat-number {
  background: linear-gradient(135deg, var(--color-charcoal) 0%, var(--color-indigo) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Partnership leader photo */
.partnership-leader {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 32px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--color-border);
}

.partnership-leader-photo {
  width: 140px;
  height: 140px;
  border-radius: 20px;
  object-fit: cover;
  object-position: center top;
  border: 2px solid var(--color-border);
  box-shadow: 0 4px 16px rgba(28,28,30,0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  flex-shrink: 0;
}

.partnership-leader-photo:hover {
  transform: scale(1.03);
  box-shadow: 0 8px 24px rgba(28,28,30,0.12);
}

.partnership-leader-name {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-charcoal);
}

.partnership-leader-title {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}

/* ---- PRICING SECTION ---- */
.pricing-section {
  padding: 100px 0;
  background: var(--color-cream);
}

.pricing-card {
  border-radius: 16px;
  transition: all 0.45s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(28,28,30,0.08);
}

.pricing-card.featured {
  border: 2px solid var(--color-amber);
  box-shadow: 0 0 0 1px var(--color-amber), 0 8px 32px rgba(232,130,12,0.1);
}

.pricing-card.featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(to right, var(--color-amber), #f5a623);
}

.pricing-card.featured:hover {
  box-shadow: 0 0 0 1px var(--color-amber), 0 20px 56px rgba(232,130,12,0.15);
}

.pricing-amount-number {
  font-size: clamp(2.5rem, 4vw, 3.25rem);
  letter-spacing: -0.02em;
}

/* ---- RESPONSIVE — HOMEPAGE ---- */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-visual { max-width: 420px; margin: 0 auto; }
  .problem-grid { grid-template-columns: 1fr; gap: 40px; }
  .sprint-layout { grid-template-columns: 1fr; gap: 48px; }
  .sprint-left { position: static; }

  .case-card.featured-case { grid-template-columns: 1fr; }
  .case-card.featured-case .case-card-inner-left {
    border-right: none;
    border-bottom: 1px solid rgba(247,244,239,0.08);
  }

  .writing-grid { grid-template-columns: repeat(2, 1fr); }

  .team-card-enterprise::after { display: none; }
}

@media (max-width: 768px) {
  .hero { padding: 56px 0 48px; }
  .hero-visual { max-width: 320px; }

  .case-studies-grid { grid-template-columns: 1fr; }
  .case-card.featured-case { grid-column: 1; }
  .case-card.featured-case .case-card-metric { font-size: 3rem; }

  .writing-grid { grid-template-columns: 1fr; gap: 16px; margin-top: 36px; }
  .case-card.writing-card { padding: 28px; }
  .case-card.writing-card h4 { font-size: 1.15rem; }

  .sprint-steps-vertical { padding-left: 40px; }
  .sprint-steps-vertical::before { left: 12px; }
  .sprint-step-v::before { left: -36px; width: 16px; height: 16px; }

  .problem-section,
  .sprint-section,
  .case-studies-section,
  .writing-section,
  .team-section,
  .pricing-section {
    padding: 72px 0;
  }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.875rem; }
  .case-card.featured-case .case-card-metric { font-size: 2.5rem; }
}