/* ==========================================================================
   MITHRAS — THE HUMAN PERFORMANCE SYSTEM
   Stylesheet
   ========================================================================== */

/* ---------- Design Tokens ---------- */
:root {
  --obsidian: #0B0C0D;
  --charcoal: #151719;
  --ivory: #F4EFE6;
  --bronze: #A66A38;
  --bronze-light: #C4864B;

  --ivory-70: rgba(244, 239, 230, 0.7);
  --ivory-50: rgba(244, 239, 230, 0.5);
  --ivory-20: rgba(244, 239, 230, 0.14);
  --bronze-20: rgba(166, 106, 56, 0.2);
  --obsidian-70: rgba(11, 12, 13, 0.7);

  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  --container-max: 1240px;
  --section-pad-y: clamp(5rem, 10vw, 9rem);
  --section-pad-x: clamp(1.5rem, 6vw, 4rem);

  --ease-premium: cubic-bezier(0.22, 1, 0.36, 1);
  --dur-slow: 1.1s;
  --dur-med: 0.7s;
  --dur-fast: 0.35s;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--obsidian);
  color: var(--ivory);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4, p { margin: 0; }
button { font: inherit; background: none; border: none; cursor: pointer; color: inherit; }

::selection {
  background: var(--bronze);
  color: var(--obsidian);
}

:focus-visible {
  outline: 2px solid var(--bronze-light);
  outline-offset: 3px;
}

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  z-index: 999;
  background: var(--bronze);
  color: var(--obsidian);
  padding: 0.85rem 1.5rem;
  font-weight: 600;
  border-radius: 2px;
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

/* ---------- Layout helpers ---------- */
.section {
  padding: var(--section-pad-y) var(--section-pad-x);
  position: relative;
}

.section-inner {
  max-width: var(--container-max);
  margin: 0 auto;
}

.eyebrow {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--bronze-light);
  margin-bottom: 1.25rem;
}

.section-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2rem, 4.2vw, 3.4rem);
  line-height: 1.15;
  color: var(--ivory);
  max-width: 18ch;
  letter-spacing: -0.01em;
}

.lead-statement {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  color: var(--bronze-light);
  margin-top: 1.5rem;
  max-width: 24ch;
}

.section-copy {
  font-size: clamp(1rem, 1.2vw, 1.15rem);
  color: var(--ivory-70);
  max-width: 52ch;
  margin-top: 1.5rem;
  font-weight: 400;
}

.section-footnote {
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--ivory-20);
  font-size: 0.95rem;
  color: var(--ivory-50);
  max-width: 46ch;
  font-style: italic;
  font-family: var(--font-display);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 1rem 2.1rem;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border-radius: 2px;
  transition: transform var(--dur-fast) var(--ease-premium),
              background var(--dur-fast) var(--ease-premium),
              border-color var(--dur-fast) var(--ease-premium),
              color var(--dur-fast) var(--ease-premium);
  white-space: nowrap;
}

.btn-primary {
  background: var(--bronze);
  color: var(--obsidian);
  border: 1px solid var(--bronze);
}
.btn-primary:hover {
  background: var(--bronze-light);
  border-color: var(--bronze-light);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--ivory);
  border: 1px solid var(--ivory-20);
}
.btn-outline:hover {
  border-color: var(--bronze-light);
  color: var(--bronze-light);
  transform: translateY(-2px);
}

/* ==========================================================================
   HEADER / NAV
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: transparent;
  transition: background var(--dur-med) var(--ease-premium),
              border-color var(--dur-med) var(--ease-premium),
              backdrop-filter var(--dur-med) var(--ease-premium);
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  background: rgba(11, 12, 13, 0.86);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom-color: var(--ivory-20);
}

.header-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 1.35rem var(--section-pad-x);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}
.brand-mark { height: 26px; width: auto; display: block; }
.brand-word {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.05rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ivory);
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 2.4rem;
}

.main-nav a {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ivory-70);
  position: relative;
  padding-bottom: 4px;
  transition: color var(--dur-fast) var(--ease-premium);
}

.main-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--bronze-light);
  transition: width var(--dur-med) var(--ease-premium);
}

.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: var(--ivory);
}
.main-nav a:hover::after,
.main-nav a[aria-current="page"]::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
}
.nav-toggle span {
  display: block;
  height: 1px;
  width: 100%;
  background: var(--ivory);
  transition: transform var(--dur-fast) var(--ease-premium), opacity var(--dur-fast) var(--ease-premium);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 0 var(--section-pad-x);
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.hero-video,
.hero-fallback-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  will-change: transform;
}

/* Image-first, video-as-enhancement: the fallback image is always
   visible by default so the hero never depends on video or JS to
   show something. Once the video actually starts playing, JS adds
   .video-ready and it crossfades in on top. */
.hero-fallback-img {
  z-index: 1;
  opacity: 1;
}

.hero-video {
  z-index: 2;
  opacity: 0;
  transition: opacity var(--dur-slow) var(--ease-premium);
}

.hero-media.video-ready .hero-video {
  opacity: 1;
}

.hero-media.no-video .hero-video {
  display: none;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background:
    linear-gradient(180deg, rgba(11,12,13,0.55) 0%, rgba(11,12,13,0.35) 35%, rgba(11,12,13,0.75) 100%);
}

.hero-vignette {
  position: absolute;
  inset: 0;
  z-index: 3;
  background: radial-gradient(ellipse at center, rgba(11,12,13,0) 40%, rgba(11,12,13,0.65) 100%);
}

.hero-content {
  position: relative;
  z-index: 4;
  text-align: center;
  max-width: 900px;
  padding-top: 4rem;
}

.hero-kicker {
  font-size: 0.75rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--bronze-light);
  margin-bottom: 1.75rem;
}

.hero-wordmark {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(3.2rem, 11vw, 8rem);
  letter-spacing: 0.02em;
  color: var(--ivory);
  line-height: 1;
}

.hero-descriptor {
  margin-top: 1.25rem;
  font-size: clamp(0.85rem, 1.4vw, 1.05rem);
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--ivory-70);
  text-align: center;
}

.hero-tagline {
  margin-top: 2.25rem;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1.15rem, 2.4vw, 1.6rem);
  color: var(--ivory);
  letter-spacing: 0.01em;
}
.hero-tagline span { color: var(--bronze-light); }

.hero-sub {
  margin: 1.75rem auto 0;
  max-width: 42ch;
  font-size: clamp(0.95rem, 1.1vw, 1.05rem);
  color: var(--ivory-70);
  line-height: 1.7;
}

.hero-actions {
  margin-top: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 4;
  width: 1px;
  height: 60px;
  overflow: hidden;
}
.scroll-line {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, var(--bronze-light) 0%, transparent 100%);
  animation: scrollDrop 2.6s var(--ease-premium) infinite;
  transform-origin: top;
}
@keyframes scrollDrop {
  0% { transform: scaleY(0); opacity: 0; }
  40% { transform: scaleY(1); opacity: 1; }
  100% { transform: scaleY(0); opacity: 0; transform-origin: bottom; }
}

/* ==========================================================================
   FADE-IN / REVEAL SYSTEM
   ========================================================================== */
/* Progressive enhancement: content is fully visible by default so it
   never depends on JavaScript running. Only once the early inline
   script confirms JS is active (adding .js-ready to <html>) do these
   elements start hidden and animate in via IntersectionObserver. */
.fade-in,
.reveal-text {
  opacity: 1;
  transform: none;
}

.js-ready .fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur-med) var(--ease-premium),
              transform var(--dur-med) var(--ease-premium);
}
.js-ready .fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.js-ready .reveal-text {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 1s var(--ease-premium), transform 1s var(--ease-premium);
}
.js-ready .reveal-text.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered delays applied via JS-set inline custom property, fallback nth-child */
.hero-content .reveal-text:nth-child(1) { transition-delay: 0.1s; }
.hero-content .reveal-text:nth-child(2) { transition-delay: 0.25s; }
.hero-content .reveal-text:nth-child(3) { transition-delay: 0.4s; }
.hero-content .reveal-text:nth-child(4) { transition-delay: 0.55s; }
.hero-content .reveal-text:nth-child(5) { transition-delay: 0.7s; }
.hero-content .reveal-text:nth-child(6) { transition-delay: 0.85s; }

/* ==========================================================================
   POSITION SECTION
   ========================================================================== */
.position-section .section-inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.position-section .section-copy { text-align: center; }

/* ==========================================================================
   PILLARS
   ========================================================================== */
.pillars {
  margin-top: 4.5rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--ivory-20);
}

.pillar {
  padding: 3rem 2.5rem 3rem 0;
  border-right: 1px solid var(--ivory-20);
  position: relative;
}
.pillar:last-child { border-right: none; padding-right: 0; }

.pillar-index {
  display: block;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 1.1rem;
  color: var(--bronze-light);
  letter-spacing: 0.1em;
  margin-bottom: 1.75rem;
}

.pillar-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.3rem, 1.8vw, 1.6rem);
  color: var(--ivory);
  margin-bottom: 1rem;
}

.pillar-copy {
  color: var(--ivory-70);
  font-size: 0.98rem;
  line-height: 1.7;
  max-width: 32ch;
}

/* ==========================================================================
   THRESHOLD
   ========================================================================== */
.threshold-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: center;
}

.threshold-symbol {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}
.threshold-symbol img {
  width: 100%;
  max-width: 280px;
  height: auto;
  filter: drop-shadow(0 0 60px rgba(166, 106, 56, 0.18));
}

.threshold-concepts {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--ivory-20);
}

.threshold-concept {
  padding: 2rem 2rem 0 0;
  border-right: 1px solid var(--ivory-20);
}
.threshold-concept:last-child { border-right: none; padding-left: 2rem; padding-right: 0; }

.threshold-concept h3 {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.4rem;
  color: var(--bronze-light);
  margin-bottom: 0.6rem;
}
.threshold-concept p {
  color: var(--ivory-70);
  font-size: 0.95rem;
}

/* ==========================================================================
   ECOSYSTEM
   ========================================================================== */
.ecosystem-list {
  margin-top: 4rem;
  border-top: 1px solid var(--ivory-20);
}

.ecosystem-item {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 2.5rem;
  padding: 2.25rem 0;
  border-bottom: 1px solid var(--ivory-20);
  position: relative;
  overflow: hidden;
}

.ecosystem-item::before {
  content: '';
  position: absolute;
  left: -100%;
  top: 0;
  bottom: 0;
  width: 100%;
  background: linear-gradient(90deg, transparent, var(--bronze-20), transparent);
  transition: left 1.1s var(--ease-premium);
  pointer-events: none;
}
.ecosystem-item:hover::before { left: 100%; }

.ecosystem-index {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 1.5rem;
  color: var(--bronze-light);
}

.ecosystem-item h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.15rem, 1.6vw, 1.4rem);
  color: var(--ivory);
  margin-bottom: 0.6rem;
}
.ecosystem-item p {
  color: var(--ivory-70);
  font-size: 0.95rem;
  max-width: 50ch;
}

/* ==========================================================================
   AUDIENCE
   ========================================================================== */
.audience-grid {
  margin-top: 4rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--ivory-20);
  border: 1px solid var(--ivory-20);
}

.audience-item {
  background: var(--obsidian);
  padding: 2.75rem;
}

.audience-item h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.3rem;
  color: var(--ivory);
  margin-bottom: 0.75rem;
}
.audience-item p {
  color: var(--ivory-70);
  font-size: 0.95rem;
}

/* ==========================================================================
   PARTNERSHIPS
   ========================================================================== */
.partnerships-list {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem 3rem;
  max-width: 760px;
}

.partnerships-list li {
  position: relative;
  padding-left: 1.6rem;
  font-size: 0.98rem;
  color: var(--ivory-70);
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--ivory-20);
}
.partnerships-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 1px;
  background: var(--bronze-light);
}

.partnerships-section .btn { margin-top: 3rem; }

/* ==========================================================================
   FOUNDERS
   ========================================================================== */
.founders-section .section-inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.founders-lead {
  text-align: center;
  font-style: italic;
}
.founders-names {
  margin-top: 3rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.founders-names h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  color: var(--ivory);
}
.founders-label {
  margin-top: 1.75rem;
  font-size: 0.78rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--bronze-light);
}

/* ==========================================================================
   CONTACT
   ========================================================================== */
.contact-section .section-inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.contact-email {
  margin-top: 1.75rem;
}
.contact-email a {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  color: var(--bronze-light);
  border-bottom: 1px solid var(--bronze-20);
  padding-bottom: 4px;
  transition: color var(--dur-fast) var(--ease-premium), border-color var(--dur-fast) var(--ease-premium);
}
.contact-email a:hover {
  color: var(--ivory);
  border-color: var(--ivory);
}
.contact-section .btn { margin-top: 2.5rem; }
.launching-tag {
  margin-top: 2.5rem;
  font-size: 0.78rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ivory-50);
}

/* ==========================================================================
   MEDIA KIT PAGE
   ========================================================================== */
.mediakit-hero { padding-top: clamp(8rem, 14vw, 11rem); }
.mediakit-hero-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}
.mediakit-image img {
  border: 1px solid var(--ivory-20);
}
.mediakit-actions {
  margin-top: 2.5rem;
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  padding: 4rem var(--section-pad-x) 3rem;
  border-top: 1px solid var(--ivory-20);
  text-align: center;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.85rem;
}
.footer-mark { height: 30px; width: auto; opacity: 0.95; }
.footer-word {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.05rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bronze-light);
}
.footer-descriptor {
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ivory-50);
}
.footer-copyright {
  font-size: 0.78rem;
  color: var(--ivory-50);
  margin-top: 1rem;
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 1024px) {
  .pillars { grid-template-columns: 1fr; border-top: none; }
  .pillar {
    border-right: none;
    border-top: 1px solid var(--ivory-20);
    padding: 2.5rem 0;
  }
  .pillar:first-child { border-top: 1px solid var(--ivory-20); }
  .pillar-copy { max-width: 46ch; }

  .threshold-grid { grid-template-columns: 1fr; }
  .threshold-symbol { order: -1; margin-bottom: 1rem; }
  .threshold-symbol img { max-width: 200px; }

  .audience-grid { grid-template-columns: 1fr; }
  .partnerships-list { grid-template-columns: 1fr; }
  .mediakit-hero-grid { grid-template-columns: 1fr; }
  .mediakit-image { max-width: 340px; margin: 0 auto; }
}

@media (max-width: 780px) {
  .main-nav {
    position: fixed;
    inset: 0;
    top: 0;
    background: var(--obsidian);
    display: flex;
    align-items: center;
    justify-content: center;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--dur-med) var(--ease-premium),
                opacity var(--dur-med) var(--ease-premium),
                visibility 0s linear var(--dur-med);
    z-index: 90;
  }
  .main-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    transition: transform var(--dur-med) var(--ease-premium),
                opacity var(--dur-med) var(--ease-premium),
                visibility 0s linear 0s;
  }
  .main-nav ul {
    flex-direction: column;
    gap: 2.2rem;
  }
  .main-nav a { font-size: 1rem; }
  .nav-toggle { display: flex; }

  .ecosystem-item { grid-template-columns: 50px 1fr; gap: 1.25rem; }
  .threshold-concepts { grid-template-co