/* ===================================
   AFTERBURN — Shared Stylesheet
   =================================== */

/* --- Self-hosted fonts --- */
/* Lyzero — display face for headings */
@font-face {
  font-family: 'Lyzero';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(../fonts/Lyzero.ttf) format('truetype');
}
/* Jost — variable body face (text + labels) */
@font-face {
  font-family: 'Jost';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url(../fonts/Jost-VariableFont_wght.ttf) format('truetype-variations');
}
@font-face {
  font-family: 'Jost';
  font-style: italic;
  font-weight: 100 900;
  font-display: swap;
  src: url(../fonts/Jost-Italic-VariableFont_wght.ttf) format('truetype-variations');
}

/* --- Custom Properties --- */
:root {
  --color-bg:        #FDFAF6;
  --color-bg-alt:    #F2EDE4;
  --color-text:      #0F1F3C;
  --color-accent:    #0ABFBF;
  --color-accent-2:  #CC0099;
  --color-gold:      #C8930A;
  --color-white:     #FFFFFF;
  --color-border:    rgba(15, 31, 60, 0.12);

  --font-sans:    'Jost', 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Lyzero', 'Jost', 'Inter', system-ui, sans-serif;
  /* uniform tracking for the Lyzero display font (matches the homepage hero) */
  --tracking-display: 0.03em;

  --container-max: 1200px;
  --container-pad: clamp(1.25rem, 5vw, 3rem);
  --header-height: 72px;

  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   16px;
  --radius-full: 9999px;

  --transition: 0.2s ease-in-out;
  --shadow-sm:  0 2px 8px rgba(15, 31, 60, 0.06);
  --shadow-md:  0 4px 24px rgba(15, 31, 60, 0.09);
  --shadow-lg:  0 8px 40px rgba(15, 31, 60, 0.12);
}

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

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

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-display); line-height: 1.15; font-weight: 700; letter-spacing: var(--tracking-display); }

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

.section {
  padding: clamp(3rem, 7vw, 5.5rem) 0;
}

.section--alt {
  background-color: var(--color-bg-alt);
}

.section--dark {
  background-color: var(--color-text);
  color: #fff;
}

.section-heading {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: var(--tracking-display);
}

.section-heading--center {
  text-align: center;
}

/* --- Header --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(253, 250, 246, 0.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  height: var(--header-height);
  gap: 1rem;
}

.site-logo {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--color-text);
  flex-shrink: 0;
  white-space: nowrap;
}

.site-logo .logo-accent { color: var(--color-accent); }

.nav-links {
  display: flex;
  gap: 2rem;
  margin-left: 1.5rem;
}

.nav-links a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  opacity: 0.6;
  transition: opacity var(--transition), color var(--transition);
  white-space: nowrap;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  opacity: 1;
  color: var(--color-accent);
}

.nav-social {
  display: flex;
  gap: 0.375rem;
  margin-left: auto;
  align-items: center;
}

.social-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
  opacity: 0.5;
  transition: opacity var(--transition), color var(--transition);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.social-icon:hover {
  opacity: 1;
  color: var(--color-accent);
}

.social-icon svg { flex-shrink: 0; }

/* --- Hamburger --- */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
  margin-left: auto;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
  transform-origin: center;
}

.hamburger.is-open span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.is-open span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

/* --- Mobile Menu --- */
.mobile-menu {
  display: none;
  flex-direction: column;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: 1.5rem var(--container-pad) 2rem;
  gap: 0;
}

.mobile-menu.is-open { display: flex; }

.mobile-menu a:not(.social-icon) {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-text);
  padding: 0.875rem 0;
  border-bottom: 1px solid var(--color-border);
  transition: color var(--transition);
}

.mobile-menu a:not(.social-icon):hover { color: var(--color-accent); }

.mobile-social {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.25rem;
  align-items: center;
}

.mobile-social .social-icon {
  opacity: 0.6;
}

@media (max-width: 800px) {
  .nav-links { display: none; }
  .nav-social { display: none; }
  .hamburger { display: flex; }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-full);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background-color var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  text-decoration: none;
  line-height: 1;
  white-space: nowrap;
}

.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--color-text);
  color: #fff;
  border-color: var(--color-text);
}
.btn--primary:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.btn--outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-text);
}
.btn--outline:hover {
  background: var(--color-text);
  color: #fff;
}

.btn--accent {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}
.btn--accent:hover {
  background: #089494;
  border-color: #089494;
}

/* --- Page Hero (inner pages) --- */
.page-hero {
  padding: clamp(3rem, 6vw, 5rem) 0;
}

.page-hero h1 {
  font-size: clamp(2.25rem, 6vw, 3.75rem);
  font-weight: 800;
  letter-spacing: var(--tracking-display);
  line-height: 1.12;
  margin-bottom: 1rem;
}

.page-hero__subtitle {
  font-size: 1.125rem;
  opacity: 0.6;
  font-weight: 400;
  max-width: 560px;
}

/* --- Hero (index) --- */
.hero {
  overflow: hidden;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  min-height: calc(100vh - var(--header-height));
  padding: clamp(2.5rem, 6vw, 5rem) 0;
}

.hero__image {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__image img {
  max-height: 640px;
  width: 100%;
  object-fit: contain;
  border-radius: var(--radius-lg);
  filter: drop-shadow(0 16px 40px rgba(10, 191, 191, 0.18));
}

.hero__content {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.hero__eyebrow {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.hero__title {
  font-size: clamp(2rem, 5.5vw, 3.75rem);
  font-weight: 800;
  letter-spacing: var(--tracking-display);
  line-height: 1.14;
  color: var(--color-text);
}

.hero__title em {
  font-style: normal;
  color: var(--color-accent);
}

.hero__body {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--color-text);
  opacity: 0.8;
  max-width: 54ch;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

@media (max-width: 860px) {
  .hero__inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    min-height: unset;
  }
  .hero__image { order: -1; }
  .hero__image img { max-height: 380px; }
}

/* --- Terra Cognita --- */
.terra-cognita__eyebrow {
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.terra-cognita__heading {
  font-size: clamp(1.625rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: var(--tracking-display);
  margin-bottom: 2.5rem;
  max-width: 680px;
}

.terra-cognita__body {
  max-width: 72ch;
  border-left: 3px solid var(--color-accent);
  padding-left: clamp(1.25rem, 3vw, 2rem);
}

.terra-cognita__body p {
  margin-bottom: 1.25rem;
  font-size: 1.0625rem;
  line-height: 1.78;
}

.terra-cognita__body p:last-child { margin-bottom: 0; }

.terra-cognita__body strong {
  font-weight: 600;
}

/* --- Stats --- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1rem;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.375rem;
  padding: clamp(1rem, 3vw, 1.75rem) 0.5rem;
}

.stat-number {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  letter-spacing: -0.04em;
}

.stat-label {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.6;
}

@media (max-width: 860px) {
  .stats-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

/* --- Gallery --- */
.gallery-section .section-heading {
  font-family: var(--font-sans);
  letter-spacing: normal;
  margin-bottom: 3rem;
}

.gallery {
  columns: 3;
  column-gap: 0.875rem;
}

.gallery__item {
  break-inside: avoid;
  margin-bottom: 0.875rem;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--color-bg-alt);
}

.gallery__item img {
  width: 100%;
  display: block;
  transition: transform 0.5s ease;
  border-radius: var(--radius-md);
}

.gallery__item:hover img { transform: scale(1.04); }

@media (max-width: 700px) {
  .gallery { columns: 2; }
}

@media (max-width: 420px) {
  .gallery { columns: 1; }
}

/* --- FAQ Teaser --- */
.faq-teaser-section {
  background: var(--color-bg);
}

.faq-teaser {
  max-width: 760px;
  margin: 0 auto;
  background: var(--color-bg-alt);
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  padding: clamp(1.75rem, 4vw, 2.5rem) clamp(1.5rem, 4vw, 3rem);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: flex-start;
}

.faq-teaser h2 {
  font-size: clamp(1.375rem, 3vw, 1.875rem);
  letter-spacing: var(--tracking-display);
}

.faq-teaser p {
  font-size: 1.0625rem;
  line-height: 1.7;
  opacity: 0.75;
}

/* --- Accordion (FAQ page) --- */
.accordion-container {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.accordion-group {
  display: flex;
  flex-direction: column;
}

.accordion-group__title {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--color-accent);
}

.accordion-item {
  border-bottom: 1px solid var(--color-border);
}

.accordion-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 0;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.4;
  user-select: none;
  list-style: none;
  -webkit-details-marker: none;
  gap: 1rem;
}

.accordion-item summary::-webkit-details-marker { display: none; }

.accordion-item summary::after {
  content: '+';
  font-size: 1.625rem;
  font-weight: 300;
  color: var(--color-accent);
  flex-shrink: 0;
  line-height: 1;
  transition: transform 0.25s ease;
}

.accordion-item[open] summary::after {
  transform: rotate(45deg);
}

.accordion-item summary:hover { color: var(--color-accent); }

.accordion-body {
  padding: 0.25rem 0 1.5rem;
  font-size: 0.9875rem;
  line-height: 1.75;
  opacity: 0.8;
}

.accordion-body p { margin-bottom: 0.625rem; }
.accordion-body p:last-child { margin-bottom: 0; }

.accordion-body ul {
  list-style: disc;
  margin: 0.375rem 0 0.625rem 1.5rem;
}

.accordion-body li { margin-bottom: 0.25rem; }

.accordion-body a {
  color: var(--color-accent);
  text-decoration: underline;
}

.accordion-body strong { font-weight: 600; }

/* --- About page --- */
.about-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}

.about-split__text h2 {
  font-family: var(--font-sans);
  font-size: clamp(1.625rem, 3.5vw, 2.5rem);
  letter-spacing: normal;
  margin-bottom: 1.5rem;
}

.about-split__media img {
  width: 100%;
  border-radius: var(--radius-lg);
  aspect-ratio: 4 / 3;
  object-fit: cover;
  box-shadow: var(--shadow-md);
}

@media (max-width: 768px) {
  .about-split {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* --- Video Grid --- */
.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-bottom: 3rem;
}

.video-embed {
  position: relative;
  padding-bottom: 56.25%;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #000;
}

.video-embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

@media (max-width: 700px) {
  .video-grid { grid-template-columns: 1fr; }
}

/* --- Prose --- */
.prose {
  font-size: 1.0625rem;
  line-height: 1.78;
}

.prose p { margin-bottom: 1.25rem; }
.prose p:last-child { margin-bottom: 0; }

.prose--centered {
  text-align: center;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

.prose em { font-style: italic; }

/* --- Closing tagline --- */
.closing-tagline {
  text-align: center;
}

.tagline {
  font-size: clamp(1.25rem, 3vw, 2.125rem);
  font-style: italic;
  font-weight: 300;
  opacity: 0.65;
  letter-spacing: -0.01em;
}

/* --- Principles --- */
.principles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.principle-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem;
  box-shadow: var(--shadow-sm);
  border-top: 4px solid var(--color-accent);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.principle-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.principle-card:nth-child(2n)   { border-top-color: var(--color-accent-2); }
.principle-card:nth-child(3n)   { border-top-color: var(--color-gold); }
.principle-card:nth-child(11)   { border-top-color: var(--color-gold); }

.principle-card__number {
  font-size: 5rem;
  font-weight: 800;
  color: var(--color-text);
  line-height: 1;
  position: absolute;
  top: 0.75rem;
  right: 1.25rem;
  opacity: 0.05;
  letter-spacing: -0.05em;
  pointer-events: none;
}

.principle-card__title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  letter-spacing: var(--tracking-display);
}

.principle-card__body {
  font-size: 0.9375rem;
  line-height: 1.65;
  opacity: 0.7;
}

.principle-card__note {
  display: inline-block;
  margin-top: 1rem;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-gold);
  background: rgba(200, 147, 10, 0.1);
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-full);
}

@media (max-width: 860px) {
  .principles-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 520px) {
  .principles-grid { grid-template-columns: 1fr; }
}

/* --- Footer --- */
.site-footer {
  background: var(--color-text);
  color: rgba(255, 255, 255, 0.75);
  padding: 3rem 0 2.5rem;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 2rem;
  align-items: center;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.footer-brand .site-logo {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.125rem;
}

.footer-brand p {
  font-size: 0.8125rem;
  opacity: 0.4;
}

.footer-social {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.footer-social .social-icon {
  color: rgba(255, 255, 255, 0.5);
  opacity: 1;
}

.footer-social .social-icon:hover {
  color: var(--color-accent);
  opacity: 1;
}

.footer-email {
  text-align: right;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.5);
  transition: color var(--transition);
  display: block;
}

.footer-email:hover { color: var(--color-accent); }

@media (max-width: 600px) {
  .footer-inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 1.5rem;
  }
  .footer-email { text-align: center; }
  .footer-social { justify-content: center; }
  .footer-brand { align-items: center; }
}

/* --- Utility --- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}