/* LiquidBlock v2 — Investment Boutique */

/* === TYPE SCALE === */
:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);
  --text-hero: clamp(3rem, 0.5rem + 7vw, 8rem);

  /* === SPACING === */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* === RADIUS === */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* === TRANSITION === */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);

  /* === CONTENT WIDTHS === */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
  --content-full: 100%;

  /* === FONTS === */
  --font-display: 'Clash Display', 'Helvetica Neue', sans-serif;
  --font-body: 'Satoshi', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  /* === PALETTE === */
  --color-bg: #08080a;
  --color-surface: #0f0f13;
  --color-surface-2: #16161c;
  --color-surface-offset: #1c1c24;
  --color-border: rgba(255, 255, 255, 0.07);
  --color-border-accent: rgba(255, 255, 255, 0.14);
  --color-divider: rgba(255, 255, 255, 0.05);

  --color-text: #e8e6e3;
  --color-text-muted: #8a8a8e;
  --color-text-faint: #4a4a50;

  --color-primary: #00d4aa;
  --color-primary-dim: rgba(0, 212, 170, 0.12);
  --color-primary-glow: rgba(0, 212, 170, 0.06);
  --color-secondary: #3b82f6;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.6);
}

/* === GLOBAL === */
body {
  overflow-x: hidden;
}

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

/* === LAYOUT === */
.container {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.section {
  padding-block: clamp(var(--space-16), 10vw, var(--space-32));
}

/* === HEADER === */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  padding: var(--space-5) 0;
  background: rgba(8, 8, 10, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-divider);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  text-decoration: none;
}

.logo-text {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.logo-text span {
  color: var(--color-primary);
}

.header-tag {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* === HERO === */
.hero {
  min-height: 100dvh;
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: 1fr auto;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

@media (min-width: 768px) {
  .hero {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr auto;
  }
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: var(--space-12) var(--space-6);
  align-self: center;
  order: 1;
}

@media (min-width: 768px) {
  .hero-content {
    order: 2;
    padding-left: var(--space-8);
    padding-right: max(var(--space-12), calc((100vw - 1200px) / 2 + var(--space-6)));
  }
}

.hero-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-primary);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: var(--space-6);
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.3s forwards;
}

.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
  color: var(--color-text);
  margin-bottom: var(--space-6);
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.5s forwards;
}

.hero-title .accent {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 480px;
  line-height: 1.6;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.7s forwards;
}

/* Voxel stage */
.voxel-stage {
  position: relative;
  width: 100%;
  height: 50vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

@media (min-width: 768px) {
  .voxel-stage {
    height: 100%;
    min-height: 100dvh;
    grid-row: 1 / -1;
    order: 1;
  }
}

.voxel-stage canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.hero-scroll-hint {
  position: absolute;
  bottom: var(--space-4);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  opacity: 0;
  animation: fadeIn 1s var(--ease-out) 1.5s forwards;
}

@media (min-width: 768px) {
  .hero-scroll-hint {
    grid-column: 1 / -1;
  }
}

/* === PHILOSOPHY === */
.philosophy {
  border-top: 1px solid var(--color-divider);
}

.phil-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-16);
  align-items: center;
}

@media (min-width: 768px) {
  .phil-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
  }
}

.phil-text {
  max-width: 520px;
}

.section-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-primary);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: var(--space-6);
}

.section-body {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
}

.section-body + .section-body {
  margin-top: var(--space-4);
}

/* Phil visual — solid → liquid */
.phil-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 300px;
}

.phil-blocks {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.phil-block {
  width: 140px;
  height: 140px;
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  transition: transform 0.3s var(--ease-out);
}

.phil-block.solid {
  border: 2px solid var(--color-border-accent);
  background: var(--color-surface-2);
}

.phil-block.liquid {
  border: 2px solid var(--color-primary);
  background: var(--color-primary-dim);
  box-shadow: 0 0 40px var(--color-primary-glow);
}

.phil-block-label {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
}

.phil-block-sub {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.phil-arrow {
  flex-shrink: 0;
}

/* === PILLARS === */
.pillars {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}

.pillars-header {
  text-align: center;
  max-width: 600px;
  margin-inline: auto;
  margin-bottom: var(--space-12);
}

.pillars-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 640px) {
  .pillars-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .pillars-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.pillar-card {
  padding: var(--space-8);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  transition: border-color 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.pillar-card:hover {
  border-color: var(--color-border-accent);
  box-shadow: 0 0 40px var(--color-primary-glow);
}

.pillar-number {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-primary);
  margin-bottom: var(--space-5);
  letter-spacing: 0.1em;
}

.pillar-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.pillar-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* === BRAND STATEMENT === */
.brand-statement {
  border-top: 1px solid var(--color-divider);
}

.brand-wrap {
  text-align: center;
  max-width: 700px;
  margin-inline: auto;
}

.brand-quote {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-text);
  font-style: italic;
  line-height: 1.4;
  margin-bottom: var(--space-8);
}

.brand-divider {
  width: 48px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  margin: 0 auto var(--space-8);
}

.brand-name {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
}

.brand-name span {
  color: var(--color-primary);
}

.brand-position {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* === FOOTER === */
.footer {
  border-top: 1px solid var(--color-divider);
  padding: var(--space-12) 0;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  text-align: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
}

.footer-brand span {
  color: var(--color-primary);
}

.footer-rca {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.footer-contact {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.footer-contact a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 212, 170, 0.3);
  padding-bottom: 1px;
  transition: border-color var(--transition-interactive);
}

.footer-contact a:hover {
  border-color: var(--color-primary);
  color: var(--color-text);
}

.footer-legal {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-2);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xs);
  margin-top: var(--space-2);
}

.footer-links a {
  color: var(--color-text-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
  transition: color var(--transition-interactive), border-color var(--transition-interactive);
}

.footer-links a:hover {
  color: var(--color-primary);
  border-color: rgba(0, 212, 170, 0.3);
}

.footer-links span {
  color: var(--color-text-faint);
}

/* === LEGAL OVERLAY === */
.legal-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s var(--ease-out), visibility 0.3s var(--ease-out);
}

.legal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.legal-panel {
  width: min(680px, calc(100vw - var(--space-8)));
  max-height: calc(100dvh - var(--space-12));
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transform: translateY(12px);
  transition: transform 0.3s var(--ease-out);
}

.legal-overlay.active .legal-panel {
  transform: translateY(0);
}

.legal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.legal-tabs {
  display: flex;
  gap: var(--space-1);
}

.legal-tab {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  background: none;
  border: none;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: color var(--transition-interactive), background var(--transition-interactive);
}

.legal-tab:hover {
  color: var(--color-text);
}

.legal-tab.active {
  color: var(--color-text);
  background: var(--color-surface-offset);
}

.legal-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: color var(--transition-interactive), background var(--transition-interactive);
}

.legal-close:hover {
  color: var(--color-text);
  background: var(--color-surface-offset);
}

.legal-content {
  padding: var(--space-8) var(--space-6);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--color-border-accent) transparent;
}

.legal-content.hidden {
  display: none;
}

.legal-content h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-6);
  letter-spacing: -0.02em;
}

.legal-content h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}

.legal-content h4 {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  margin-top: var(--space-6);
  margin-bottom: var(--space-2);
}

.legal-content p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-3);
}

.legal-content p a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 212, 170, 0.3);
  padding-bottom: 1px;
  transition: border-color var(--transition-interactive);
}

.legal-content p a:hover {
  border-color: var(--color-primary);
}

.legal-content ul {
  list-style: none;
  padding-left: var(--space-4);
  margin-bottom: var(--space-3);
}

.legal-content ul li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  position: relative;
  padding-left: var(--space-4);
}

.legal-content ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 5px;
  height: 5px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  opacity: 0.5;
}

.legal-content strong {
  color: var(--color-text);
  font-weight: 600;
}

.legal-ref {
  font-family: var(--font-mono);
  font-size: var(--text-xs) !important;
  color: var(--color-text-faint) !important;
  letter-spacing: 0.04em;
}

/* === ANIMATIONS === */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

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

/* === SCROLL REVEALS === */
.fade-in {
  opacity: 1;
}

@supports (animation-timeline: scroll()) {
  .fade-in {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 100%;
  }
}

@keyframes reveal-fade {
  to { opacity: 1; }
}

@supports not (animation-timeline: scroll()) {
  .fade-in {
    opacity: 0;
    transition: opacity 0.6s var(--ease-out);
  }
  .fade-in.visible {
    opacity: 1;
  }
}

/* === RESPONSIVE === */
@media (max-width: 767px) {
  .header-tag {
    display: none;
  }
  .hero {
    text-align: center;
  }
  .hero-subtitle {
    margin-inline: auto;
  }
  .hero-scroll-hint {
    display: none;
  }
  .phil-blocks {
    flex-direction: column;
  }
  .phil-arrow svg {
    transform: rotate(90deg);
  }
}

/* Grain overlay */
.grain {
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
  opacity: 0.03;
}