/* ============================================
   Claude Community Montréal — Styles
   Aesthetic: Editorial Modernism + Montreal Heritage
   ============================================ */

/* --- Tokens --- */
:root {
  --color-dark: #141413;
  --color-light: #faf9f5;
  --color-terra: #da7756;
  --color-terra-hover: #c4634a;
  --color-terra-glow: rgba(218, 119, 86, 0.15);
  --color-warm: #f3f0eb;
  --color-mid: #8a8680;
  --color-border: #ddd8d2;
  --color-text: #2c2a28;
  --color-text-light: #6b6762;

  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body: 'Outfit', -apple-system, sans-serif;

  --nav-height: 72px;
  --max-width: 1120px;
  --radius: 8px;
  --radius-lg: 16px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: var(--nav-height); }
body {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-light);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Subtle grain texture */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-size: 256px 256px;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
ul { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }

/* --- Typography --- */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 400; line-height: 1.1; }
h1 { font-size: clamp(3rem, 8vw, 5.5rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(2.25rem, 5vw, 3.75rem); letter-spacing: -0.01em; }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
h1 em, h2 em { font-style: italic; }

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 6rem 0;
}

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

.section--dark {
  background: var(--color-dark);
  color: var(--color-light);
}

.section__label {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-terra);
  margin-bottom: 1rem;
}

.section__title {
  margin-bottom: 2.5rem;
}

.section__subtitle {
  font-size: 1.15rem;
  color: var(--color-text-light);
  max-width: 540px;
  margin-bottom: 3rem;
  line-height: 1.6;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.9375rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  transition: all 0.3s var(--ease-out);
  white-space: nowrap;
}

.btn--terra {
  background: var(--color-terra);
  color: #fff;
}
.btn--terra:hover {
  background: var(--color-terra-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px var(--color-terra-glow);
}

.btn--outline {
  border: 1.5px solid var(--color-dark);
  color: var(--color-dark);
  background: transparent;
}
.btn--outline:hover {
  background: var(--color-dark);
  color: var(--color-light);
}

.btn--outline-light {
  border: 1.5px solid rgba(250, 249, 245, 0.4);
  color: var(--color-light);
  background: transparent;
}
.btn--outline-light:hover {
  background: var(--color-light);
  color: var(--color-dark);
}

.btn--lg {
  padding: 1rem 2.25rem;
  font-size: 1rem;
}

.btn--sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.875rem;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  transition: background 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out), backdrop-filter 0.4s var(--ease-out);
}

.nav--scrolled {
  background: rgba(250, 249, 245, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--color-border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
}

.nav__logo {
  font-family: var(--font-display);
  font-size: 1.375rem;
  letter-spacing: -0.01em;
  color: var(--color-dark);
}
.nav__logo span {
  color: var(--color-terra);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav__links a:not(.btn) {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  position: relative;
  transition: color 0.2s;
}
.nav__links a:not(.btn)::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--color-terra);
  transition: width 0.3s var(--ease-out);
}
.nav__links a:not(.btn):hover {
  color: var(--color-terra);
}
.nav__links a:not(.btn):hover::after {
  width: 100%;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
}
.nav__toggle span {
  display: block;
  height: 2px;
  background: var(--color-dark);
  border-radius: 2px;
  transition: all 0.3s var(--ease-out);
  transform-origin: center;
}
.nav__toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav__toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--nav-height) + 2rem) 2rem 4rem;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  pointer-events: none;
}

.hero__mountain {
  display: block;
  width: 100%;
  height: auto;
  color: var(--color-warm);
}
.hero__mountain line {
  color: var(--color-border);
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 780px;
}

.hero__overline {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-terra);
  margin-bottom: 1.5rem;
}

.hero__title {
  margin-bottom: 1.5rem;
  color: var(--color-dark);
}

.hero__subtitle {
  font-size: 1.2rem;
  line-height: 1.7;
  color: var(--color-text-light);
  max-width: 580px;
  margin: 0 auto 2.5rem;
}

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

/* --- About --- */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.about__text p {
  font-size: 1.0625rem;
  color: var(--color-text-light);
  margin-bottom: 1rem;
}
.about__text p:last-child { margin-bottom: 0; }

.about__cards {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.card {
  background: var(--color-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(20, 20, 19, 0.06);
}

.section--alt .card {
  background: #fff;
}

.card__title {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
  color: var(--color-dark);
}

.card__text {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  line-height: 1.6;
}
.card__text em {
  color: var(--color-text);
  font-style: italic;
}

/* --- Founder --- */
.founder {
  display: flex;
  gap: 2rem;
  align-items: stretch;
  max-width: 640px;
}

.founder__accent {
  width: 4px;
  flex-shrink: 0;
  background: var(--color-terra);
  border-radius: 4px;
}

.founder__content {
  padding: 0.5rem 0;
}

.founder__label {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-mid);
  margin-bottom: 0.25rem;
}

.founder__name {
  font-size: 1.75rem;
  color: var(--color-dark);
  margin-bottom: 0.125rem;
}

.founder__role {
  font-size: 0.9375rem;
  color: var(--color-terra);
  font-weight: 500;
  margin-bottom: 0.75rem;
}

.founder__bio {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  line-height: 1.65;
}

/* --- Events --- */
.events__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
}

.event-card {
  background: rgba(250, 249, 245, 0.06);
  border: 1px solid rgba(250, 249, 245, 0.1);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: border-color 0.3s;
}
.event-card:hover {
  border-color: rgba(250, 249, 245, 0.2);
}

.event-card--featured {
  border-color: rgba(218, 119, 86, 0.3);
  background: rgba(218, 119, 86, 0.05);
}
.event-card--featured:hover {
  border-color: rgba(218, 119, 86, 0.5);
}

.event-card__badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-terra);
  background: rgba(218, 119, 86, 0.12);
  padding: 0.25rem 0.75rem;
  border-radius: 100px;
  margin-bottom: 1rem;
}

.event-card__title {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.event-card__desc {
  font-size: 0.9375rem;
  color: rgba(250, 249, 245, 0.7);
  line-height: 1.65;
  margin-bottom: 1.25rem;
}

.event-card__meta {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: rgba(250, 249, 245, 0.5);
  margin-bottom: 1.5rem;
}
.event-card__meta span {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.event-card__meta svg {
  flex-shrink: 0;
  opacity: 0.6;
}

.event-card__list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.event-card__list li {
  font-size: 0.9375rem;
  color: rgba(250, 249, 245, 0.7);
  padding-left: 1.25rem;
  position: relative;
}
.event-card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  background: var(--color-terra);
  border-radius: 50%;
}

.events__cta {
  text-align: center;
}

/* --- Resources --- */
.resources__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.resource-group__title {
  font-size: 1.125rem;
  color: var(--color-dark);
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1.5px solid var(--color-border);
}

.resource-group__links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.resource-group__links a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9375rem;
  color: var(--color-text-light);
  padding: 0.5rem 0;
  transition: color 0.2s;
}
.resource-group__links a span {
  opacity: 0;
  transform: translateX(-4px);
  transition: all 0.2s var(--ease-out);
  color: var(--color-terra);
}
.resource-group__links a:hover {
  color: var(--color-dark);
}
.resource-group__links a:hover span {
  opacity: 1;
  transform: translateX(0);
}

/* --- Blog --- */
.blog__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2rem;
}

.blog-card {
  background: var(--color-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}
.blog-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(20, 20, 19, 0.06);
}

.section--alt .blog-card {
  background: #fff;
}

.blog-card--featured {
  border-color: var(--color-terra);
  border-width: 1.5px;
}

.blog-card__meta {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-mid);
  margin-bottom: 0.75rem;
}

.blog-card__title {
  font-size: 1.5rem;
  color: var(--color-dark);
  margin-bottom: 0.75rem;
}

.blog-card__excerpt {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  line-height: 1.65;
  margin-bottom: 1.25rem;
}

.blog-card__link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-terra);
  transition: color 0.2s;
}
.blog-card__link:hover {
  color: var(--color-terra-hover);
}

/* --- Join --- */
.join__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.join-card {
  display: flex;
  flex-direction: column;
  padding: 2rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all 0.3s var(--ease-out);
}
.join-card:hover {
  border-color: var(--color-terra);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(218, 119, 86, 0.08);
}

.join-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-warm);
  border-radius: var(--radius);
  color: var(--color-terra);
  margin-bottom: 1.25rem;
  transition: background 0.3s;
}
.join-card:hover .join-card__icon {
  background: var(--color-terra-glow);
}

.join-card__title {
  font-size: 1.25rem;
  color: var(--color-dark);
  margin-bottom: 0.5rem;
}

.join-card__desc {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* --- Footer --- */
.footer {
  background: var(--color-dark);
  color: var(--color-light);
  padding: 4rem 0 2rem;
}

.footer__top {
  display: flex;
  justify-content: space-between;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(250, 249, 245, 0.1);
  margin-bottom: 2rem;
}

.footer__logo {
  font-family: var(--font-display);
  font-size: 1.375rem;
  letter-spacing: -0.01em;
}
.footer__logo span {
  color: var(--color-terra);
}

.footer__tagline {
  font-size: 0.9375rem;
  color: rgba(250, 249, 245, 0.5);
  margin-top: 0.5rem;
}

.footer__nav {
  display: flex;
  gap: 4rem;
}

.footer__col h4 {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(250, 249, 245, 0.4);
  margin-bottom: 1rem;
}

.footer__col a {
  display: block;
  font-size: 0.9375rem;
  color: rgba(250, 249, 245, 0.7);
  padding: 0.25rem 0;
  transition: color 0.2s;
}
.footer__col a:hover {
  color: var(--color-terra);
}

.footer__bottom {
  text-align: center;
}

.footer__disclaimer {
  font-size: 0.8125rem;
  color: rgba(250, 249, 245, 0.35);
  margin-bottom: 0.5rem;
  line-height: 1.5;
}

.footer__copy {
  font-size: 0.8125rem;
  color: rgba(250, 249, 245, 0.25);
}

/* --- Reveal Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

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

/* Stagger children */
.reveal:nth-child(2) { transition-delay: 0.08s; }
.reveal:nth-child(3) { transition-delay: 0.16s; }
.reveal:nth-child(4) { transition-delay: 0.24s; }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .resources__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .join__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .section { padding: 4rem 0; }

  .nav__toggle { display: flex; }

  .nav__links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--color-light);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all 0.4s var(--ease-out);
  }

  .nav__links--open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .hero { min-height: 90vh; }
  h1 { font-size: clamp(2.5rem, 10vw, 3.5rem); }

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

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

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

  .resources__grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

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

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

  .footer__nav {
    gap: 2rem;
    flex-wrap: wrap;
  }

  .footer__nav .footer__col {
    min-width: 120px;
  }
}

@media (max-width: 480px) {
  .container { padding: 0 1.25rem; }
  .hero__actions { flex-direction: column; align-items: center; }
  .hero__actions .btn { width: 100%; }
}