/* ==========================================================
   COLLECTIVE LEGACY — DESIGN SYSTEM
   Institutional aesthetic: editorial, minimal, typographic
   ========================================================== */

/* --- IMPORT TYPEFACES --- */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,300;1,400;1,500&family=DM+Sans:wght@300;400;500&display=swap');

/* --- CSS CUSTOM PROPERTIES --- */
:root {
  /* Palette */
  --black:     #0a0a0a;
  --white:     #f8f7f4;
  --warm-gray: #e8e6e1;
  --mid-gray:  #9a9690;
  --dark-gray: #3a3835;
  --accent:    #0a0a0a;

  /* Typography */
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans:  'DM Sans', Helvetica, sans-serif;

  /* Spacing */
  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  2rem;
  --space-lg:  4rem;
  --space-xl:  8rem;
  --space-2xl: 12rem;

  /* Border */
  --rule: 1px solid #d0cdc8;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  background-color: var(--white);
  color: var(--black);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
}

/* --- TYPOGRAPHY SCALE --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.01em;
}

/* Display — hero headlines */
.display {
  font-family: var(--font-serif);
  font-size: clamp(3.5rem, 8vw, 8rem);
  font-weight: 300;
  line-height: 0.95;
  letter-spacing: -0.02em;
}

/* Section headline */
.headline {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4vw, 4rem);
  font-weight: 300;
  line-height: 1.05;
}

/* Sub-headline */
.subheadline {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 2.5vw, 2.2rem);
  font-weight: 300;
  line-height: 1.2;
}

/* Label — uppercase sans */
.label {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mid-gray);
}

/* Body */
.body-large {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  line-height: 1.75;
  font-weight: 300;
}

.body {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  line-height: 1.75;
  font-weight: 300;
}

/* Caption */
.caption {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  color: var(--mid-gray);
  letter-spacing: 0.03em;
}

/* Italic quote */
.italic-statement {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 300;
  line-height: 1.4;
  color: var(--dark-gray);
}

p { margin-bottom: 1.25em; }
p:last-child { margin-bottom: 0; }

a {
  color: inherit;
  text-decoration: none;
  transition: opacity 0.2s ease;
}
a:hover { opacity: 0.6; }

/* --- LAYOUT UTILITIES --- */
.container {
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container-narrow {
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-xl) 0;
}

.section-lg {
  padding: var(--space-2xl) 0;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

/* --- HORIZONTAL RULE --- */
.rule {
  border: none;
  border-top: var(--rule);
  margin: 0;
}

/* --- NAV --- */
nav.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: var(--rule);
  height: 64px;
  display: flex;
  align-items: center;
}

.nav-inner {
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--black);
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  list-style: none;
}

.nav-links a {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dark-gray);
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--black);
  opacity: 1;
}

.nav-cta {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white) !important;
  background: var(--black);
  padding: 0.6rem 1.2rem;
  transition: opacity 0.2s !important;
}

.nav-cta:hover { opacity: 0.75 !important; }

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

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--black);
  transition: all 0.3s ease;
}

/* --- PAGE BODY OFFSET --- */
.page-body {
  padding-top: 64px;
}

/* --- HERO VARIANTS --- */
.hero {
  min-height: calc(100vh - 64px);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-bottom: var(--space-lg);
  border-bottom: var(--rule);
  position: relative;
}

.hero-interior {
  padding: var(--space-xl) 0 var(--space-lg);
  border-bottom: var(--rule);
}

/* --- SECTION HEADER WITH LABEL --- */
.section-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: var(--rule);
}

.section-header .section-number {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--mid-gray);
  padding-top: 0.4rem;
  min-width: 3rem;
}

/* --- CARDS --- */
.card {
  padding: var(--space-md);
  border: var(--rule);
  transition: border-color 0.3s ease;
}

.card:hover { border-color: var(--black); }

.card-number {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 300;
  color: var(--warm-gray);
  line-height: 1;
  margin-bottom: var(--space-sm);
}

/* --- MEMBERSHIP TIERS --- */
.tier-card {
  padding: var(--space-lg) var(--space-md);
  border: var(--rule);
  position: relative;
  transition: all 0.3s ease;
}

.tier-card.featured {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
}

.tier-card.featured .label { color: rgba(248,247,244,0.5); }
.tier-card.featured .rule { border-color: rgba(248,247,244,0.2); }

.tier-price {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 300;
  line-height: 1;
  margin: var(--space-sm) 0;
}

.tier-list {
  list-style: none;
  margin-top: var(--space-md);
}

.tier-list li {
  font-size: 0.88rem;
  padding: 0.65rem 0;
  border-top: 1px solid #d0cdc8;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.tier-card.featured .tier-list li {
  border-color: rgba(248,247,244,0.15);
}

.tier-list li::before {
  content: '—';
  color: var(--mid-gray);
  flex-shrink: 0;
  font-family: var(--font-serif);
}

.tier-card.featured .tier-list li::before {
  color: rgba(248,247,244,0.4);
}

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.85rem 2rem;
  transition: all 0.25s ease;
  cursor: pointer;
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--black);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--dark-gray);
  opacity: 1;
}

.btn-outline {
  background: transparent;
  color: var(--black);
  border: 1px solid var(--black);
}

.btn-outline:hover {
  background: var(--black);
  color: var(--white);
  opacity: 1;
}

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

.btn-white:hover { opacity: 0.85; }

.btn-white-outline {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(248,247,244,0.4);
}

.btn-white-outline:hover {
  border-color: var(--white);
  opacity: 1;
}

/* Arrow icon */
.btn-arrow::after {
  content: '→';
  font-family: var(--font-serif);
  font-size: 1rem;
}

/* --- STAT DISPLAY --- */
.stat-block {
  padding: var(--space-md) 0;
  border-top: var(--rule);
}

.stat-number {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 300;
  line-height: 1;
}

.stat-label {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  color: var(--mid-gray);
  letter-spacing: 0.08em;
  margin-top: 0.4rem;
}

/* --- PROCESS STEPS --- */
.process-step {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-top: var(--rule);
}

.step-num {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 300;
  color: var(--mid-gray);
  padding-top: 0.2rem;
}

/* --- PULL QUOTE --- */
.pull-quote {
  border-left: 2px solid var(--black);
  padding-left: var(--space-md);
  margin: var(--space-lg) 0;
}

/* --- FOUNDER BAND --- */
.founders-band {
  background: var(--black);
  color: var(--white);
  padding: var(--space-xl) 0;
}

.founders-band .label { color: rgba(248,247,244,0.45); }
.founders-band .rule { border-color: rgba(248,247,244,0.15); }

/* --- FORM ELEMENTS --- */
.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dark-gray);
  margin-bottom: 0.5rem;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid #c0bdb8;
  padding: 0.75rem 0;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--black);
  outline: none;
  transition: border-color 0.25s ease;
  -webkit-appearance: none;
  border-radius: 0;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-bottom-color: var(--black);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--mid-gray);
  font-weight: 300;
}

.form-select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%239a9690'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.5rem center;
  padding-right: 1.5rem;
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

/* --- FOOTER --- */
footer.site-footer {
  background: var(--black);
  color: var(--white);
  padding: var(--space-lg) 0 var(--space-md);
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid rgba(248,247,244,0.1);
  margin-bottom: var(--space-md);
}

.footer-logo {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--white);
}

.footer-nav-title {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(248,247,244,0.4);
  margin-bottom: 1rem;
}

.footer-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-nav-links a {
  font-size: 0.85rem;
  font-weight: 300;
  color: rgba(248,247,244,0.7);
  letter-spacing: 0.02em;
  transition: color 0.2s;
}

.footer-nav-links a:hover {
  color: var(--white);
  opacity: 1;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-credit {
  font-size: 0.72rem;
  color: rgba(248,247,244,0.35);
  letter-spacing: 0.05em;
}

/* --- DIVIDER ORNAMENT --- */
.ornament {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: var(--space-lg) 0;
}

.ornament::before,
.ornament::after {
  content: '';
  flex: 1;
  border-top: var(--rule);
}

.ornament-text {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.9rem;
  color: var(--mid-gray);
  white-space: nowrap;
}

/* --- TIMELINE / PHASES --- */
.phase-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.phase-item {
  padding: var(--space-md);
  border-right: var(--rule);
  border-top: var(--rule);
}

.phase-item:first-child { border-left: var(--rule); }

.phase-label {
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mid-gray);
  margin-bottom: var(--space-sm);
}

.phase-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 300;
  margin-bottom: var(--space-sm);
}

/* --- FADE IN ANIMATION --- */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-up {
  opacity: 0;
  animation: fadeUp 0.8s ease forwards;
}

.fade-up.delay-1 { animation-delay: 0.1s; }
.fade-up.delay-2 { animation-delay: 0.25s; }
.fade-up.delay-3 { animation-delay: 0.4s; }
.fade-up.delay-4 { animation-delay: 0.55s; }

/* --- INTERSECTION OBSERVER REVEAL --- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* --- PARTNER LOGOS STRIP --- */
.partners-strip {
  border-top: var(--rule);
  border-bottom: var(--rule);
  padding: var(--space-md) 0;
  overflow: hidden;
}

/* --- SCROLL INDICATOR --- */
.scroll-indicator {
  position: absolute;
  bottom: var(--space-md);
  left: var(--space-md);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.scroll-line {
  width: 40px;
  height: 1px;
  background: var(--mid-gray);
  position: relative;
  overflow: hidden;
}

.scroll-line::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--black);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0%   { left: -100%; }
  100% { left: 100%; }
}

/* --- UTILITY --- */
.text-center { text-align: center; }
.text-right  { text-align: right; }
.mb-sm  { margin-bottom: var(--space-sm); }
.mb-md  { margin-bottom: var(--space-md); }
.mb-lg  { margin-bottom: var(--space-lg); }
.mb-xl  { margin-bottom: var(--space-xl); }
.mt-sm  { margin-top: var(--space-sm); }
.mt-md  { margin-top: var(--space-md); }
.mt-lg  { margin-top: var(--space-lg); }
.color-mid { color: var(--mid-gray); }
.color-dark { color: var(--dark-gray); }

/* --- RESPONSIVE BREAKPOINTS --- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; gap: var(--space-md); }
  .phase-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root {
    --space-lg: 3rem;
    --space-xl: 5rem;
    --space-2xl: 8rem;
  }

  .grid-2,
  .grid-3,
  .grid-4 { grid-template-columns: 1fr; }

  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--white);
    padding: var(--space-md);
    border-bottom: var(--rule);
    gap: var(--space-sm);
    z-index: 99;
  }
  .nav-toggle { display: flex; }

  .footer-top { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
  .phase-grid { grid-template-columns: 1fr; }
  .phase-item { border: none; border-top: var(--rule); border-left: 2px solid var(--black); padding-left: var(--space-md); }
  .phase-item:first-child { border-left: 2px solid var(--black); }

  .section-header { flex-direction: column; gap: var(--space-sm); }
  .section-header .section-number { padding-top: 0; }
}

/* --- PAGE TRANSITIONS --- */
body {
  animation: pageFade 0.4s ease forwards;
}

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