/* === X LANDING PAGE === */
/* Aesthetic: Social proof dashboard — immediate credibility, quick conversion */
/* Purpose: Convert X visitors into followers or leads */
/* Tone: Sophisticated, direct, proof-first */

body.x-section {
  --x-accent: #000000;
  --x-accent-hover: #1a1a1a;
  --x-highlight: var(--crimson);
  font-family: var(--font-sans);
}

/* Dark aesthetic texture */
body.x-section::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%' height='100%' filter='url(%23noise)'/%3E%3C/svg%3E");
  opacity: 0.015;
  pointer-events: none;
  z-index: 0;
}

body.x-section .container {
  position: relative;
  z-index: 1;
}

/* === ANIMATIONS === */
@keyframes fadeSlideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes cardReveal {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes countUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* === IDENTITY HEADER === */
.x-identity {
  padding: clamp(3rem, 8vw, 6rem) 0;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--spacing-xl);
  align-items: center;
  border-bottom: 1px solid var(--border-color);
}

.identity-badge {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  opacity: 0;
  animation: fadeSlideUp 0.6s ease forwards;
  animation-delay: 0.1s;
}

.badge-avatar {
  width: 80px;
  height: 80px;
  background: var(--x-accent);
  color: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  border-radius: 50%;
  overflow: hidden;
}

.badge-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.badge-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.badge-name {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.badge-handle {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-tertiary);
}

.identity-tagline {
  opacity: 0;
  animation: fadeSlideUp 0.6s ease forwards;
  animation-delay: 0.25s;
}

.identity-tagline p {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 400px;
  margin: 0;
}

.identity-cta {
  display: flex;
  gap: var(--spacing-md);
  opacity: 0;
  animation: fadeSlideUp 0.6s ease forwards;
  animation-delay: 0.4s;
}

.cta-follow {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: var(--x-accent);
  color: #ffffff;
  padding: 12px 24px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  border-radius: 100px;
}

.cta-follow:hover {
  background: var(--x-accent-hover);
  transform: translateY(-1px);
  text-decoration: none;
  color: #ffffff;
}

.cta-follow svg {
  width: 16px;
  height: 16px;
}

.cta-schedule,
button.cta-schedule {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: transparent;
  color: var(--text-primary);
  padding: 12px 24px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  border-radius: 100px;
  cursor: pointer;
  font-family: inherit;
}

.cta-schedule:hover,
button.cta-schedule:hover {
  border-color: var(--text-primary);
  text-decoration: none;
}

/* === PROOF SECTION === */
.x-proof {
  padding: var(--spacing-2xl) 0;
  border-bottom: 1px solid var(--border-color);
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
}

.proof-stat {
  text-align: center;
  padding: var(--spacing-lg);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  opacity: 0;
  animation: countUp 0.5s ease forwards;
}

.proof-stat:nth-child(1) { animation-delay: 0.5s; }
.proof-stat:nth-child(2) { animation-delay: 0.6s; }
.proof-stat:nth-child(3) { animation-delay: 0.7s; }
.proof-stat:nth-child(4) { animation-delay: 0.8s; }

.proof-value {
  font-family: var(--font-mono);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
  letter-spacing: -0.02em;
}

.proof-plus {
  font-size: 0.5em;
  color: var(--text-tertiary);
}

.proof-label {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: var(--spacing-sm);
}

/* === EXPERTISE SECTION === */
.x-expertise {
  padding: var(--spacing-2xl) 0;
  border-bottom: 1px solid var(--border-color);
}

.section-header {
  margin-bottom: var(--spacing-xl);
  opacity: 0;
  animation: fadeSlideUp 0.6s ease forwards;
  animation-delay: 0.9s;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.section-label::before {
  content: '';
  width: 20px;
  height: 2px;
  background: var(--x-highlight);
}

/* Focus Grid - Mini Work Cards */
.x-expertise .focus-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.x-expertise .focus-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  text-decoration: none;
  transition: all 0.3s ease;
  position: relative;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeSlideUp 0.5s ease forwards;
}

.x-expertise .focus-card:nth-child(1) { animation-delay: 1.0s; }
.x-expertise .focus-card:nth-child(2) { animation-delay: 1.05s; }
.x-expertise .focus-card:nth-child(3) { animation-delay: 1.1s; }
.x-expertise .focus-card:nth-child(4) { animation-delay: 1.15s; }

.x-expertise .focus-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--x-highlight);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.x-expertise .focus-card:hover {
  border-color: var(--text-tertiary);
  text-decoration: none;
}

.x-expertise .focus-card:hover::before {
  opacity: 1;
}

.x-expertise .card-number {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-tertiary);
  padding-top: 2px;
}

.x-expertise .card-content h3 {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 4px;
  transition: color 0.3s ease;
}

.x-expertise .focus-card:hover .card-content h3 {
  color: var(--x-highlight);
}

.x-expertise .card-content p {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}

.x-expertise .card-arrow {
  font-family: var(--font-mono);
  color: var(--text-tertiary);
  align-self: center;
  transition: transform 0.3s ease, color 0.3s ease;
}

.x-expertise .focus-card:hover .card-arrow {
  transform: translateX(4px);
  color: var(--text-primary);
}

/* Secondary Links */
.expertise-secondary {
  display: flex;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
  opacity: 0;
  animation: fadeSlideUp 0.5s ease forwards;
  animation-delay: 1.25s;
}

.secondary-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-tertiary);
  text-decoration: none;
  transition: color 0.3s ease;
}

.secondary-link:hover {
  color: var(--text-primary);
  text-decoration: none;
}

.secondary-link .link-arrow {
  transition: transform 0.3s ease;
}

.secondary-link:hover .link-arrow {
  transform: translateX(3px);
}

.secondary-link.view-all {
  margin-left: auto;
  color: var(--text-secondary);
}

/* === TOPICS SECTION === */
.x-topics {
  padding: var(--spacing-2xl) 0;
  border-bottom: 1px solid var(--border-color);
}

.x-topics .section-header {
  animation-delay: 1.3s;
}

.topics-intro {
  max-width: 600px;
  margin-bottom: var(--spacing-xl);
  opacity: 0;
  animation: fadeSlideUp 0.6s ease forwards;
  animation-delay: 1.4s;
}

.topics-intro p {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0;
}

.topics-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  opacity: 0;
  animation: fadeSlideUp 0.6s ease forwards;
  animation-delay: 1.5s;
}

.topic-tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 8px 16px;
  transition: all 0.3s ease;
}

.topic-tag:hover {
  border-color: var(--text-tertiary);
  color: var(--text-primary);
}

/* === RECENT WORK SECTION === */
.x-work {
  padding: var(--spacing-2xl) 0;
  border-bottom: 1px solid var(--border-color);
}

.x-work .section-header {
  animation-delay: 1.6s;
}

.work-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.work-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  text-decoration: none;
  transition: all 0.3s ease;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeSlideUp 0.5s ease forwards;
}

.work-item:nth-child(1) { animation-delay: 1.7s; }
.work-item:nth-child(2) { animation-delay: 1.8s; }
.work-item:nth-child(3) { animation-delay: 1.9s; }

.work-item:hover {
  border-color: var(--text-tertiary);
  text-decoration: none;
}

.work-marker {
  width: 8px;
  height: 8px;
  background: var(--x-highlight);
  border-radius: 50%;
  margin-top: 6px;
}

.work-content h4 {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 4px;
}

.work-content p {
  font-size: 0.85rem;
  color: var(--text-tertiary);
  margin: 0;
}

.work-arrow {
  color: var(--text-tertiary);
  align-self: center;
  transition: transform 0.3s ease, color 0.3s ease;
}

.work-item:hover .work-arrow {
  transform: translateX(4px);
  color: var(--text-primary);
}

/* === FINAL CTA === */
.x-cta {
  padding: var(--spacing-2xl) 0;
}

.cta-box {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--spacing-2xl);
  align-items: center;
  padding: var(--spacing-2xl);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  opacity: 0;
  animation: fadeSlideUp 0.6s ease forwards;
  animation-delay: 2.0s;
}

.cta-content h2 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 var(--spacing-sm);
}

.cta-content p {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
  max-width: 450px;
}

.cta-actions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  align-items: flex-end;
}

.cta-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: var(--x-accent);
  color: #ffffff;
  padding: 14px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  border-radius: 100px;
}

.cta-primary:hover {
  background: var(--x-accent-hover);
  transform: translateY(-1px);
  text-decoration: none;
  color: #ffffff;
}

.cta-primary svg {
  width: 18px;
  height: 18px;
}

.cta-secondary,
button.cta-secondary {
  font-size: 0.85rem;
  color: var(--text-tertiary);
  text-decoration: none;
  transition: color 0.3s ease;
  background: transparent;
  border: none;
  padding: 0;
  cursor: pointer;
  font-family: inherit;
}

.cta-secondary:hover,
button.cta-secondary:hover {
  color: var(--text-primary);
  text-decoration: none;
}

/* === RESPONSIVE === */
@media (max-width: 1000px) {
  .x-identity {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    text-align: center;
  }

  .identity-badge {
    justify-content: center;
  }

  .identity-tagline p {
    max-width: 100%;
  }

  .identity-cta {
    justify-content: center;
  }

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

  .x-expertise .focus-grid {
    grid-template-columns: 1fr;
  }

  .expertise-secondary {
    flex-wrap: wrap;
  }

  .secondary-link.view-all {
    margin-left: 0;
  }

  .cta-box {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--spacing-xl);
  }

  .cta-actions {
    align-items: center;
  }
}

@media (max-width: 768px) {
  .x-identity {
    padding-top: clamp(5rem, 12vw, 7rem);
  }

  .identity-badge {
    flex-direction: column;
    text-align: center;
  }

  .badge-info {
    align-items: center;
  }

  .identity-cta {
    flex-direction: column;
    width: 100%;
  }

  .cta-follow,
  .cta-schedule {
    width: 100%;
    justify-content: center;
  }

  .work-item {
    grid-template-columns: auto 1fr;
  }

  .work-arrow {
    display: none;
  }
}

@media (max-width: 500px) {
  .proof-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
  }

  .proof-stat {
    padding: var(--spacing-md);
  }

  .proof-value {
    font-size: 1.5rem;
  }

  .cta-box {
    padding: var(--spacing-lg);
  }
}

/* === DARK MODE === */
@media (prefers-color-scheme: dark) {
  body.x-section::before {
    opacity: 0.025;
  }

  .badge-avatar {
    background: #ffffff;
    color: #000000;
  }

  .cta-follow {
    background: #ffffff;
    color: #000000;
  }

  .cta-follow:hover {
    background: #e5e5e5;
    color: #000000;
  }

  .cta-primary {
    background: #ffffff;
    color: #000000;
  }

  .cta-primary:hover {
    background: #e5e5e5;
    color: #000000;
  }

  .proof-stat {
    background: var(--bg-secondary);
  }

  .x-expertise .focus-card {
    background: var(--bg-secondary);
  }

  .topic-tag {
    background: var(--bg-secondary);
  }

  .work-item {
    background: var(--bg-secondary);
  }

  .cta-box {
    background: var(--bg-secondary);
  }
}