/* ===== Font ===== */
@font-face {
  font-family: 'PP Formula';
  src: url('fonts/PPFormula-CondensedBold.otf') format('opentype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

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

:root {
  --black: #0a0a0a;
  --white: #f5f5f5;
  --gray: #888;
  --gray-dark: #333;
  --gray-line: #2a2a2a;
  --font-heading: 'PP Formula', 'Impact', 'Arial Narrow', sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --container: 1000px;
  --container-narrow: 720px;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  font-weight: 300;
  line-height: 1.75;
  color: var(--white);
  background-color: var(--black);
}

::selection {
  background-color: var(--white);
  color: var(--black);
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--white);
  text-decoration: none;
}

/* ===== Layout ===== */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 2rem;
}

.container-narrow {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 2rem;
}

/* ===== Typography ===== */
h2 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  line-height: 0.95;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 3rem;
}

h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--white);
  margin-bottom: 0.75rem;
}

p {
  max-width: 620px;
  color: var(--gray);
}

p + p {
  margin-top: 1.25rem;
}

.emphasis {
  color: var(--white);
  font-style: italic;
  font-size: 1.1875rem;
  line-height: 1.6;
  margin-top: 2.5rem;
  max-width: 580px;
}

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--gray-line);
}

.nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--white);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1px;
  background-color: var(--white);
}

/* ===== Hero ===== */
.hero {
  padding: 10rem 0 6rem;
  min-height: 90vh;
  display: flex;
  align-items: flex-end;
}

/* ===== Compact hero ===== */
.hero-compact {
  min-height: auto;
  padding: 11rem 0 4rem;
}

.hero-compact .container {
  text-align: right;
}

/* ===== Training hero overlay ===== */
.training-hero {
  position: relative;
  width: 100%;
  margin-top: 3.5rem;
}

.training-hero-img {
  width: 100%;
  display: block;
  filter: grayscale(100%) contrast(1.1);
}

.training-hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  padding: 8rem 0 4rem;
  background: linear-gradient(to bottom, rgba(10,10,10,0.7) 0%, transparent 100%);
}

.hero-lead {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(2.5rem, 6.5vw, 5rem);
  line-height: 0.95;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--white);
  max-width: 900px;
}

.hero-sub {
  font-family: var(--font-body);
  font-size: 1.125rem;
  font-weight: 300;
  color: var(--gray);
  margin-top: 3rem;
  max-width: 520px;
  line-height: 1.7;
}

.hero-claim {
  font-family: var(--font-body);
  font-weight: 400;
  font-style: italic;
  font-size: 1.25rem;
  color: var(--white);
  margin-top: 1.5rem;
}

.hero-claim-bold {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--white);
  margin-top: 2.5rem;
}

/* ===== Full-bleed images ===== */
.full-bleed-image {
  width: 100%;
  overflow: hidden;
}

.full-bleed-image img {
  width: 100%;
  height: 75vh;
  object-fit: cover;
  display: block;
  filter: grayscale(100%) contrast(1.1);
}

.full-bleed-image.letterbox img {
  height: auto;
  object-fit: contain;
}

/* ===== Text sections ===== */
.text-section {
  padding: 7rem 0;
}

.section-lead {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1.25rem;
  line-height: 1.5;
  color: var(--white);
  margin-bottom: 1.5rem;
}

/* ===== Four Capacities ===== */
.capacity-list {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem 4rem;
}

.capacity {
  padding: 2rem 0 0;
  border-top: 1px solid var(--gray-line);
}

.capacity h3 {
  margin-bottom: 0.75rem;
}

.capacity p {
  font-size: 0.9375rem;
  margin-top: 0;
  line-height: 1.7;
  max-width: 100%;
}

/* ===== Hidden Mechanism layout ===== */
.mechanism-grid {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 3rem;
  align-items: start;
}

.mechanism-text p {
  max-width: 100%;
}

.mechanism-aside {
  position: sticky;
  top: 5rem;
  padding-top: 10rem;
}

.marta-photo {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  filter: grayscale(100%) contrast(1.05);
  margin-bottom: 1.5rem;
}

.marta-bio {
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--gray);
  max-width: 100%;
}

/* ===== Training: Hero meta ===== */
.hero-meta {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray);
  margin-top: 2rem;
}

/* ===== Training: Capacity sub-label ===== */
.capacity-sub {
  font-size: 0.75rem !important;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray) !important;
  margin-bottom: 0.75rem !important;
}

/* ===== Training: Voices strip ===== */
.voices-strip {
  display: flex;
  gap: 1.5rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 2rem 2rem 3rem;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.voices-strip::-webkit-scrollbar {
  display: none;
}

.voice-card {
  flex: 0 0 340px;
  background-color: #151515;
  border: 1px solid var(--gray-line);
  padding: 2.5rem 2rem;
  scroll-snap-align: start;
}

.voice-num {
  font-family: var(--font-heading);
  font-size: 7rem;
  line-height: 0.8;
  letter-spacing: -0.03em;
  color: var(--gray-line);
  display: block;
  margin-bottom: 2rem;
}

.voice-card p {
  font-size: 1rem;
  font-style: italic;
  line-height: 1.7;
  color: var(--gray);
  max-width: 100%;
}

/* ===== Training: Voices controls ===== */
.voices-section .carousel-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  padding: 0 2rem 1rem;
  margin-top: 1rem;
}

.carousel-btn {
  background: none;
  border: 1px solid var(--gray-line);
  color: var(--white);
  font-size: 1.125rem;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color 0.2s, border-color 0.2s;
}

.carousel-btn:hover {
  background-color: var(--white);
  color: var(--black);
  border-color: var(--white);
}

.carousel-dots {
  display: flex;
  gap: 0.5rem;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--gray-line);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background-color 0.2s;
}

.carousel-dot.is-active {
  background-color: var(--white);
}

/* ===== Training: Changes grid ===== */
.changes-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 4rem;
  align-items: start;
}

.changes-image img {
  width: 100%;
  filter: grayscale(100%) contrast(1.1);
  position: sticky;
  top: 6rem;
}

/* ===== Training: Format grid ===== */
.format-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin-top: 2rem;
  border-top: 1px solid var(--gray-line);
}

.format-item {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--gray-line);
}

.format-item:nth-child(odd) {
  padding-right: 2rem;
  border-right: 1px solid var(--gray-line);
}

.format-item:nth-child(even) {
  padding-left: 2rem;
}

.format-label {
  display: block;
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 0.25rem;
}

.format-value {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--white);
}

/* ===== Training: Pricing ===== */
.pricing-grid {
  display: flex;
  gap: 3rem;
  margin: 3rem 0;
}

.pricing-tier {
  border-top: 1px solid var(--gray-line);
  padding-top: 1.5rem;
}

.pricing-label {
  display: block;
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 0.5rem;
}

.pricing-amount {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  letter-spacing: 0.02em;
  color: var(--white);
}

.pricing-future .pricing-amount {
  color: var(--gray);
  text-decoration: line-through;
  text-decoration-color: var(--gray-line);
}

.cohort-details {
  margin: 2rem 0 3rem;
}

.cohort-details p {
  color: var(--gray);
}

.cohort-details strong {
  color: var(--white);
  font-weight: 400;
}

.apply-btn {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 1.125rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--black);
  background-color: var(--white);
  padding: 1rem 3rem;
  transition: opacity 0.2s;
}

.apply-btn:hover {
  opacity: 0.8;
}

.apply-note {
  font-size: 0.875rem;
  color: var(--gray);
  margin-top: 1.5rem;
}

.apply-note a {
  color: var(--white);
  border-bottom: 1px solid var(--gray-line);
  transition: border-color 0.2s;
}

.apply-note a:hover {
  border-color: var(--white);
}

.apply-note-lg {
  font-size: 1.125rem;
  color: var(--gray);
  margin-top: 1.5rem;
  line-height: 1.7;
}

.apply-note-lg a {
  color: var(--white);
  border-bottom: 1px solid var(--gray-line);
  transition: border-color 0.2s;
}

.apply-note-lg a:hover {
  border-color: var(--white);
}

/* ===== Inline CTA ===== */
.inline-cta {
  margin-top: 2rem;
}

.inline-cta a {
  font-size: 0.8125rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white);
  border-bottom: 1px solid var(--gray-line);
  padding-bottom: 0.25rem;
  transition: border-color 0.2s;
}

.inline-cta a:hover {
  border-color: var(--white);
}

/* ===== Punchline emphasis ===== */
.punchline {
  font-family: var(--font-heading);
  font-size: clamp(1.375rem, 2.5vw, 1.75rem);
  line-height: 1.2;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--white);
  margin-top: 2.5rem;
  max-width: 640px;
}

/* ===== Practice list ===== */
.practice-list {
  margin-top: 2rem;
  margin-bottom: 2rem;
  border-left: 2px solid var(--gray-line);
  padding-left: 1.5rem;
}

.practice-list p {
  margin-top: 0.5rem;
  color: var(--white);
  font-size: 1.0625rem;
}

.practice-list p:first-child {
  margin-top: 0;
  color: var(--gray);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ===== Compact sections ===== */
.text-section.compact {
  padding: 4.5rem 0;
}

/* ===== Pull quote ===== */
.pull-quote {
  border-left: 2px solid var(--gray-line);
  padding-left: 1.5rem;
  margin-top: 2rem;
  margin-bottom: 2rem;
}

/* ===== Centered section ===== */
.centered {
  text-align: center;
}

.centered p {
  margin-left: auto;
  margin-right: auto;
}

.centered .pricing-grid {
  justify-content: center;
}

.centered .cohort-details {
  margin-left: auto;
  margin-right: auto;
}

.centered .pricing-tier {
  text-align: center;
}

/* ===== Training: Active nav ===== */
.nav-links a.is-active {
  color: var(--white);
}

/* ===== Writing: TOC ===== */
.writing-toc {
  padding: 0 0 4rem;
}

.toc-list {
  list-style: none;
  counter-reset: toc;
  border-top: 1px solid var(--gray-line);
}

.toc-list li {
  counter-increment: toc;
  border-bottom: 1px solid var(--gray-line);
}

.toc-list li a {
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  padding: 1.25rem 0;
  font-size: 1.0625rem;
  font-weight: 300;
  color: var(--gray);
  transition: color 0.2s;
}

.toc-list li a:hover {
  color: var(--white);
}

.toc-list li a::before {
  content: counter(toc, decimal-leading-zero);
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--gray-line);
  flex-shrink: 0;
  width: 2rem;
}

/* ===== Writing: Articles ===== */
.writing-article {
  padding: 5rem 0;
  border-top: 1px solid var(--gray-line);
}

.article-content {
  max-width: var(--container-narrow, 720px);
}

.article-num {
  font-family: var(--font-heading);
  font-size: 5rem;
  line-height: 0.8;
  letter-spacing: -0.03em;
  color: var(--gray-line);
  display: block;
  margin-bottom: 1.5rem;
}

.article-content h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  margin-bottom: 2rem;
}

.back-to-top {
  display: inline-block;
  margin-top: 3rem;
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
  transition: color 0.2s;
}

.back-to-top:hover {
  color: var(--white);
}

/* ===== CTA Section ===== */
.cta-section {
  padding: 7rem 0;
  border-top: 1px solid var(--gray-line);
}

.cta-section h2 {
  margin-bottom: 2rem;
}

.cta-section h2 a {
  transition: opacity 0.2s;
}

.cta-section h2 a:hover {
  opacity: 0.4;
}

.cta-section .emphasis {
  margin-top: 2.5rem;
}

.summit-section {
  position: relative;
  width: 100%;
}

.summit-img {
  width: 100%;
  display: block;
  filter: grayscale(100%) contrast(1.1);
}

.summit-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 8%;
  background: linear-gradient(to bottom, rgba(10,10,10,0.7) 0%, transparent 50%);
}

.closing-line {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  line-height: 1.15;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--white);
  text-align: center;
  max-width: 700px;
}

/* ===== Footer ===== */
.site-footer {
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--gray-line);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.footer-links a {
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
  transition: color 0.2s;
}

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

.footer-dot {
  color: var(--gray-dark);
  font-size: 0.875rem;
}

.footer-copy {
  font-size: 0.8125rem;
  color: var(--gray-dark);
  letter-spacing: 0.04em;
}

/* ===== Mobile ===== */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .site-header {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background-color: var(--black);
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 260px;
    background: #0a0a0a;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    isolation: isolate;
    flex-direction: column;
    align-items: flex-start;
    padding: 5rem 2rem 2rem;
    gap: 1.25rem;
    border-left: 1px solid var(--gray-line);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 200;
  }

  .nav-links.is-open {
    transform: translateX(0);
  }

  .nav-links::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 260px;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
  }

  .nav-links.is-open::before {
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links a {
    font-size: 0.875rem;
  }

  .hero {
    min-height: 70vh;
    padding: 8rem 0 4rem;
  }

  .full-bleed-image img {
    height: 45vh;
  }

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

  .capacity {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

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

  .capacity-list {
    grid-template-columns: 1fr;
  }

  .mechanism-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .mechanism-aside {
    position: static;
    max-width: 280px;
  }

  .full-bleed-image.letterbox img {
    height: auto;
  }

  .format-grid {
    grid-template-columns: 1fr;
  }

  .format-item:nth-child(odd) {
    padding-right: 0;
    border-right: none;
  }

  .format-item:nth-child(even) {
    padding-left: 0;
  }

  .pricing-grid {
    flex-direction: column;
    gap: 2rem;
  }

  .voice-card {
    flex: 0 0 280px;
  }

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

  .changes-image img {
    position: static;
    max-width: 320px;
  }

  .article-num {
    font-size: 3.5rem;
  }
}

/* ===== Animations ===== */

/* Hero entrance */
.hero .hero-lead,
.hero .hero-sub,
.hero .hero-claim,
.hero .hero-claim-bold,
.hero .hero-meta,
.training-hero-overlay .hero-lead,
.training-hero-overlay .hero-sub,
.training-hero-overlay .hero-meta {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s ease forwards;
}

.hero .hero-lead,
.training-hero-overlay .hero-lead {
  animation-delay: 0.2s;
}

.hero .hero-sub,
.training-hero-overlay .hero-sub {
  animation-delay: 0.6s;
}

.hero .hero-claim,
.hero .hero-claim-bold,
.training-hero-overlay .hero-meta {
  animation-delay: 1s;
}

.hero .hero-meta {
  animation-delay: 1.2s;
}

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* Staggered children */
.reveal-stagger .capacity,
.reveal-stagger .format-item,
.reveal-stagger .voice-card {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal-stagger.is-visible .capacity,
.reveal-stagger.is-visible .format-item,
.reveal-stagger.is-visible .voice-card {
  opacity: 1;
  transform: translateY(0);
}

.reveal-stagger.is-visible .capacity:nth-child(1),
.reveal-stagger.is-visible .format-item:nth-child(1) { transition-delay: 0s; }
.reveal-stagger.is-visible .capacity:nth-child(2),
.reveal-stagger.is-visible .format-item:nth-child(2) { transition-delay: 0.12s; }
.reveal-stagger.is-visible .capacity:nth-child(3),
.reveal-stagger.is-visible .format-item:nth-child(3) { transition-delay: 0.24s; }
.reveal-stagger.is-visible .capacity:nth-child(4),
.reveal-stagger.is-visible .format-item:nth-child(4) { transition-delay: 0.36s; }

/* Punchline slide-in */
.punchline,
.closing-line {
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.punchline.reveal,
.closing-line.reveal {
  transform: translateX(-20px);
}

.punchline.reveal.is-visible,
.closing-line.reveal.is-visible {
  opacity: 1;
  transform: translateX(0);
}

/* Image reveal */
.full-bleed-image {
  overflow: hidden;
}

.img-reveal img {
  opacity: 0;
  transform: scale(1.05);
  transition: opacity 0.9s ease, transform 0.9s ease;
}

.img-reveal.is-visible img {
  opacity: 1;
  transform: scale(1);
}

/* Parallax base (enhanced by JS) */
.parallax-img img {
  transition: transform 0.1s linear;
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-delay: 0s !important;
    transition-duration: 0.01ms !important;
  }
}