/* ═══════════════════════════════════════════════════════════════════════
   WEBYODAS STUDIO | style.css
   Minimalist & Editorial Design System (Awwwards / Studio Freight Style)
   High-Contrast Typography, Generous Whitespace, Understated Luxury
═══════════════════════════════════════════════════════════════════════ */

/* ── 1. DESIGN TOKENS ── */
:root,
[data-theme="dark"] {
  --clr-bg:               #09090b;
  --clr-bg-alt:           #0f0f12;
  --clr-bg-surface:       #131317;
  --clr-bg-surface-hover: #18181f;
  
  --clr-border:           rgba(255, 255, 255, 0.1);
  --clr-border-subtle:    rgba(255, 255, 255, 0.05);
  --clr-border-hover:     rgba(255, 255, 255, 0.28);
  --clr-border-focus:     #ffffff;

  --clr-heading:          #f4f4f5;
  --clr-text:             #a1a1aa;
  --clr-text-muted:       #71717a;
  --clr-text-faint:       #52525b;

  --clr-accent:           #ffffff;
  --clr-accent-champagne: #c9b084;
  --clr-status:           #10b981;

  --clr-btn-primary-bg:   #f4f4f5;
  --clr-btn-primary-fg:   #09090b;
  --clr-btn-primary-hover:#ffffff;

  --clr-header-bg:        rgba(9, 9, 11, 0.88);
  --clr-header-scrolled:  rgba(9, 9, 11, 0.96);
  --clr-mobile-bg:        #09090b;

  --clr-footer-bg:        #060608;
  --clr-footer-border:    rgba(255, 255, 255, 0.08);

  --shadow-subtle:        0 1px 3px rgba(0, 0, 0, 0.5);
}

[data-theme="light"] {
  --clr-bg:               #f7f7f5;
  --clr-bg-alt:           #efefec;
  --clr-bg-surface:       #ffffff;
  --clr-bg-surface-hover: #fafaf9;

  --clr-border:           rgba(24, 24, 27, 0.1);
  --clr-border-subtle:    rgba(24, 24, 27, 0.05);
  --clr-border-hover:     rgba(24, 24, 27, 0.3);
  --clr-border-focus:     #18181b;

  --clr-heading:          #18181b;
  --clr-text:             #52525b;
  --clr-text-muted:       #71717a;
  --clr-text-faint:       #a1a1aa;

  --clr-accent:           #18181b;
  --clr-accent-champagne: #937341;
  --clr-status:           #059669;

  --clr-btn-primary-bg:   #18181b;
  --clr-btn-primary-fg:   #f7f7f5;
  --clr-btn-primary-hover:#09090b;

  --clr-header-bg:        rgba(247, 247, 245, 0.9);
  --clr-header-scrolled:  rgba(247, 247, 245, 0.98);
  --clr-mobile-bg:        #f7f7f5;

  --clr-footer-bg:        #18181b;
  --clr-footer-border:    rgba(255, 255, 255, 0.1);

  --shadow-subtle:        0 1px 3px rgba(0, 0, 0, 0.05);
}

:root {
  --font-serif:   'Playfair Display', Georgia, serif;
  --font-sans:    'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:    'JetBrains Mono', 'Fira Code', monospace;

  --fs-xs:        0.75rem;
  --fs-sm:        0.875rem;
  --fs-base:      1rem;
  --fs-lg:        1.125rem;
  --fs-xl:        1.35rem;
  --fs-2xl:       1.65rem;
  --fs-3xl:       2.15rem;
  --fs-4xl:       2.85rem;
  --fs-5xl:       4rem;
  --fs-6xl:       5.5rem;

  --container-max: 1320px;
  --container-pad: clamp(1.5rem, 5vw, 4rem);

  --nav-height:   76px;
  --space-section: clamp(6rem, 12vw, 11rem);

  --transition-fast: 160ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-base: 320ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── 2. RESET & BASE ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
  background-color: var(--clr-bg);
  color: var(--clr-text);
  transition: background-color 0.3s ease, color 0.3s ease;
}

body {
  font-family: var(--font-sans);
  background-color: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

::selection {
  background: var(--clr-heading);
  color: var(--clr-bg);
}

:focus-visible {
  outline: 1.5px solid var(--clr-border-focus);
  outline-offset: 3px;
}

.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section {
  padding-block: var(--space-section);
  position: relative;
  border-top: 1px solid var(--clr-border-subtle);
}

/* ── 3. EDITORIAL TYPOGRAPHY & LABELS ── */
.section-label {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.12em;
  color: var(--clr-text-muted);
}

.label-index { color: var(--clr-heading); font-weight: 600; }
.label-title { text-transform: uppercase; }

.section-heading-wrap {
  margin-bottom: clamp(3rem, 6vw, 5.5rem);
  max-width: 820px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(var(--fs-3xl), 4.8vw, var(--fs-5xl));
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: -0.025em;
  color: var(--clr-heading);
  margin-bottom: 1rem;
}

.section-sub {
  font-size: clamp(var(--fs-base), 1.6vw, var(--fs-lg));
  color: var(--clr-text-muted);
  line-height: 1.7;
}

/* ── 4. SCROLL REVEAL (SUBTLE & SMOOTH) ── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ── 5. HEADER ── */
.header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: var(--clr-header-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--clr-border-subtle);
  transition: background var(--transition-base), border-color var(--transition-base);
}

.header.scrolled {
  background: var(--clr-header-scrolled);
  border-bottom-color: var(--clr-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-mark {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--clr-border);
  background: var(--clr-border-subtle);
  color: var(--clr-heading);
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.brand:hover .brand-mark {
  border-color: var(--clr-heading);
  background: var(--clr-border-hover);
}

.brand-text-wrap {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
}

.brand-text {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--clr-heading);
}

.brand-sup {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 600;
  color: var(--clr-text-muted);
  letter-spacing: 0.08em;
}

.header-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--clr-text-muted);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--clr-status);
  display: inline-block;
  box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.25);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.25rem;
}

.nav-links a {
  font-family: var(--font-sans);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--clr-text-muted);
  transition: color var(--transition-fast);
  position: relative;
  padding-block: 0.25rem;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--clr-heading);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.theme-toggle {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-text-muted);
  border-radius: 50%;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.theme-toggle:hover {
  color: var(--clr-heading);
  background: var(--clr-border-subtle);
}

[data-theme="dark"] .sun-icon { display: block; }
[data-theme="dark"] .moon-icon { display: none; }
[data-theme="light"] .sun-icon { display: none; }
[data-theme="light"] .moon-icon { display: block; }

.btn-direct-wa {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.55rem 1rem;
  border: 1px solid var(--clr-border);
  color: var(--clr-heading);
  transition: all var(--transition-fast);
}

.btn-direct-wa:hover {
  border-color: var(--clr-heading);
  background: var(--clr-heading);
  color: var(--clr-bg);
}

.arrow-up {
  font-size: 0.9em;
  transition: transform var(--transition-fast);
}

.btn-direct-wa:hover .arrow-up {
  transform: translate(2px, -2px);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.4rem;
}

.hamburger span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--clr-heading);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(3.25px) rotate(45deg);
}

.hamburger[aria-expanded="true"] span:nth-child(2) {
  transform: translateY(-3.25px) rotate(-45deg);
}

/* Mobile Nav Drawer */
.mobile-nav { display: none !important; }

@media (max-width: 1024px) {
  .header-status, .nav-links, .btn-direct-wa { display: none; }
  .hamburger { display: flex; }

  .mobile-nav:not([hidden]) {
    display: block !important;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--clr-mobile-bg);
    padding: var(--container-pad);
    z-index: 999;
    border-top: 1px solid var(--clr-border);
    animation: fadeIn 0.25s ease;
  }

  .mobile-nav-inner {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding-top: 2rem;
  }

  .mobile-nav-inner a {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    color: var(--clr-heading);
  }

  .mobile-nav-footer {
    margin-top: 3rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }

  .mobile-theme-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 1rem;
    border: 1px solid var(--clr-border);
    font-size: var(--fs-sm);
    color: var(--clr-heading);
  }

  .mobile-theme-badge {
    font-family: var(--font-mono);
    font-size: var(--fs-xs);
    color: var(--clr-text-muted);
  }

  .w-full { width: 100%; justify-content: center; }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: none; }
}

/* ── 6. HERO ── */
.hero {
  min-height: calc(88vh - var(--nav-height));
  display: flex;
  align-items: center;
  padding-block: clamp(4rem, 8vw, 8rem);
  position: relative;
}

.hero-container {
  display: flex;
  flex-direction: column;
  width: 100%;
}

.hero-header-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
  color: var(--clr-text-muted);
  margin-bottom: clamp(1.75rem, 3vw, 3rem);
}

.meta-sep { color: var(--clr-border); }

.hero-headline {
  font-family: var(--font-serif);
  font-size: clamp(2.75rem, 6.8vw, 5.85rem);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.035em;
  color: var(--clr-heading);
  max-width: 1180px;
  margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
}

.hero-headline em {
  font-style: italic;
  font-weight: 400;
  color: var(--clr-heading);
}

.hero-statement {
  margin-bottom: clamp(2rem, 3.5vw, 3rem);
}

.hero-statement p {
  font-size: clamp(1.05rem, 1.8vw, 1.35rem);
  line-height: 1.65;
  color: var(--clr-text);
  max-width: 720px;
}

.hero-actions {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: clamp(3.5rem, 6vw, 6rem);
}

.btn-editorial-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--clr-btn-primary-bg);
  color: var(--clr-btn-primary-fg);
  font-family: var(--font-sans);
  font-size: var(--fs-sm);
  font-weight: 600;
  padding: 0.95rem 1.85rem;
  border: 1px solid var(--clr-btn-primary-bg);
  transition: all var(--transition-fast);
  line-height: 1;
}

.btn-editorial-primary:hover {
  background: var(--clr-btn-primary-hover);
  border-color: var(--clr-btn-primary-hover);
  transform: translateY(-2px);
}

.btn-editorial-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--clr-text-muted);
  transition: color var(--transition-fast);
  padding: 0.5rem 0;
  line-height: 1;
}

.btn-editorial-link:hover {
  color: var(--clr-heading);
}

.btn-arrow {
  transition: transform var(--transition-fast);
}

.btn-editorial-primary:hover .btn-arrow {
  transform: translateX(4px);
}

.btn-editorial-link:hover .btn-arrow {
  transform: translateY(3px);
}

/* Minimalist Pillars Row */
.hero-pillars-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  border-top: 1px solid var(--clr-border);
  padding-top: clamp(2rem, 4vw, 3rem);
}

.pillar-cell {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.pillar-num {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--clr-text-muted);
}

.pillar-content strong {
  display: block;
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  font-weight: 600;
  color: var(--clr-heading);
  margin-bottom: 0.25rem;
}

.pillar-content p {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  line-height: 1.6;
}

/* ── 7. PHILOSOPHY ── */
.philosophy-manifesto {
  margin-bottom: clamp(4rem, 8vw, 7rem);
  max-width: 1040px;
}

.manifesto-text {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3.8vw, 3rem);
  font-weight: 400;
  line-height: 1.35;
  color: var(--clr-heading);
  font-style: italic;
  margin-bottom: 2rem;
}

.manifesto-colophon {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.12em;
  color: var(--clr-text-muted);
}

.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(2rem, 5vw, 4rem);
}

.phil-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.phil-num {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--clr-text-muted);
  letter-spacing: 0.08em;
}

.phil-card h3 {
  font-family: var(--font-sans);
  font-size: var(--fs-xl);
  font-weight: 600;
  color: var(--clr-heading);
  letter-spacing: -0.01em;
}

.phil-card p {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  line-height: 1.7;
}

/* ── 8. DISCIPLINES (EDITORIAL ACCORDION / LIST) ── */
.disciplines-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--clr-border);
}

.discipline-row {
  display: grid;
  grid-template-columns: 80px 1.5fr 1fr 60px;
  gap: clamp(1.5rem, 3vw, 3rem);
  align-items: center;
  padding-block: clamp(2rem, 4vw, 3rem);
  border-bottom: 1px solid var(--clr-border);
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.discipline-row:hover {
  background: var(--clr-border-subtle);
  border-bottom-color: var(--clr-border-hover);
}

.row-num {
  font-family: var(--font-mono);
  font-size: var(--fs-base);
  color: var(--clr-text-muted);
}

.row-main h3 {
  font-family: var(--font-sans);
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  font-weight: 600;
  color: var(--clr-heading);
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

.row-main p {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  line-height: 1.65;
  max-width: 580px;
}

.row-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.meta-tag {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--clr-text-muted);
  background: var(--clr-border-subtle);
  border: 1px solid var(--clr-border);
  padding: 0.25rem 0.65rem;
}

.row-link {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--clr-border);
  color: var(--clr-heading);
  font-size: 1.15rem;
  transition: all var(--transition-fast);
  margin-left: auto;
}

.discipline-row:hover .row-link {
  background: var(--clr-heading);
  color: var(--clr-bg);
  border-color: var(--clr-heading);
}

/* ── 9. PROTOCOL ── */
.protocol-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

.protocol-card {
  border: 1px solid var(--clr-border);
  padding: clamp(1.75rem, 3vw, 2.5rem);
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition-base);
  background: var(--clr-bg-surface);
}

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

.protocol-card.highlight-protocol {
  border-color: var(--clr-border-focus);
}

.protocol-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 1.5rem;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
}

.phase-badge {
  color: var(--clr-heading);
  font-weight: 600;
  letter-spacing: 0.08em;
}

.phase-timeline {
  color: var(--clr-text-muted);
}

.protocol-card h3 {
  font-family: var(--font-sans);
  font-size: var(--fs-lg);
  font-weight: 600;
  color: var(--clr-heading);
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.protocol-card p {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  line-height: 1.65;
}

/* ── 10. ENGAGEMENTS (TIERS) ── */
.engagements-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

.engagement-card {
  border: 1px solid var(--clr-border);
  padding: clamp(2rem, 4vw, 3rem);
  display: flex;
  flex-direction: column;
  position: relative;
  background: var(--clr-bg-surface);
  transition: border-color var(--transition-base);
}

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

.engagement-card.featured-tier {
  border-color: var(--clr-border-focus);
}

.featured-indicator {
  position: absolute;
  top: -10px;
  left: 2rem;
  background: var(--clr-heading);
  color: var(--clr-bg);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 0.2rem 0.65rem;
}

.tier-top {
  margin-bottom: 1.5rem;
}

.tier-tag {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--clr-text-muted);
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 0.5rem;
}

.tier-top h3 {
  font-family: var(--font-serif);
  font-size: var(--fs-2xl);
  font-weight: 500;
  color: var(--clr-heading);
  margin-bottom: 0.6rem;
  letter-spacing: -0.015em;
}

.tier-desc {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  line-height: 1.6;
}

.tier-scope-box {
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
  padding-block: 1rem;
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.scope-type {
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  font-weight: 600;
  color: var(--clr-heading);
}

.tier-scope-box small {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--clr-text-muted);
}

.tier-deliverables {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
  margin-top: auto;
}

.tier-deliverables li {
  font-size: var(--fs-sm);
  color: var(--clr-text);
  line-height: 1.5;
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
}

.tier-deliverables li::before {
  content: '✓';
  color: var(--clr-status);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.85rem;
}

.btn-tier {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0.9rem 1.25rem;
  border: 1px solid var(--clr-border);
  font-family: var(--font-sans);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--clr-heading);
  transition: all var(--transition-fast);
}

.btn-tier:hover {
  border-color: var(--clr-heading);
  background: var(--clr-border-subtle);
}

.btn-tier-featured {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0.9rem 1.25rem;
  background: var(--clr-btn-primary-bg);
  color: var(--clr-btn-primary-fg);
  font-family: var(--font-sans);
  font-size: var(--fs-sm);
  font-weight: 600;
  transition: all var(--transition-fast);
}

.btn-tier-featured:hover {
  background: var(--clr-btn-primary-hover);
  transform: translateY(-2px);
}

/* ── 11. INQUIRIES ── */
.inquiry-box {
  display: flex;
  flex-direction: column;
  gap: clamp(2.5rem, 5vw, 4.5rem);
}

.inquiry-statement {
  max-width: 860px;
}

.inquiry-headline {
  font-family: var(--font-serif);
  font-size: clamp(var(--fs-3xl), 5vw, var(--fs-5xl));
  font-weight: 500;
  line-height: 1.12;
  color: var(--clr-heading);
  letter-spacing: -0.025em;
  margin-bottom: 1.25rem;
}

.inquiry-desc {
  font-size: clamp(var(--fs-base), 1.6vw, var(--fs-lg));
  color: var(--clr-text-muted);
  line-height: 1.7;
}

.channels-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

.channel-card {
  border: 1px solid var(--clr-border);
  padding: clamp(2rem, 4vw, 3rem);
  background: var(--clr-bg-surface);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.channel-card:hover {
  border-color: var(--clr-border-hover);
  background: var(--clr-bg-surface-hover);
  transform: translateY(-3px);
}

.channel-num {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--clr-text-muted);
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.channel-card h3 {
  font-family: var(--font-sans);
  font-size: var(--fs-xl);
  font-weight: 600;
  color: var(--clr-heading);
  margin-bottom: 0.4rem;
}

.channel-card p {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  margin-bottom: 2rem;
}

.channel-link-text {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--clr-border-subtle);
  padding-top: 1rem;
  font-size: var(--fs-base);
  color: var(--clr-heading);
}

.inquiry-colophon {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--clr-border);
  padding-top: 2rem;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--clr-text-muted);
  flex-wrap: wrap;
  gap: 1.5rem;
}

.colophon-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ── 12. FOOTER ── */
.footer {
  background: var(--clr-footer-bg);
  border-top: 1px solid var(--clr-footer-border);
  color: var(--clr-text-muted);
  padding-block: clamp(4rem, 8vw, 6rem) 2.5rem;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

.footer-brand-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.footer-brand-wrap .brand-mark {
  border-color: rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.05);
  color: #ffffff;
}

.footer-brand {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: #ffffff;
  display: block;
}

.footer-tagline {
  font-size: var(--fs-sm);
  color: #a1a1aa;
  line-height: 1.7;
  max-width: 440px;
}

.footer-meta-title {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
  color: #ffffff;
  display: block;
  margin-bottom: 1rem;
}

.footer-meta-block ul {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  font-size: var(--fs-sm);
}

.footer-meta-block a {
  color: #a1a1aa;
  transition: color var(--transition-fast);
}

.footer-meta-block a:hover {
  color: #ffffff;
}

.footer-meta-block span {
  color: #71717a;
}

.footer-bottom {
  border-top: 1px solid var(--clr-footer-border);
  padding-top: 2rem;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: #71717a;
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.back-to-top-link {
  color: #a1a1aa;
  transition: color var(--transition-fast);
}

.back-to-top-link:hover {
  color: #ffffff;
}

/* ── 13. RESPONSIVE MEDIA QUERIES ── */
@media (max-width: 1024px) {
  .philosophy-grid { grid-template-columns: 1fr; }
  .discipline-row { grid-template-columns: 50px 1fr 44px; }
  .row-meta { display: none; }
  .protocol-grid { grid-template-columns: 1fr 1fr; }
  .engagements-grid { grid-template-columns: 1fr; max-width: 580px; margin-inline: auto; }
  .channels-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 3rem; }
}

@media (max-width: 768px) {
  .hero-pillars-row { grid-template-columns: 1fr; gap: 2rem; }
  .protocol-grid { grid-template-columns: 1fr; }
  .inquiry-colophon { flex-direction: column; align-items: flex-start; gap: 0.75rem; }
  .footer-bottom-inner { flex-direction: column; align-items: flex-start; gap: 0.75rem; }
}

@media (max-width: 640px) {
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
  }
  .btn-editorial-primary,
  .btn-editorial-link {
    justify-content: center;
    width: 100%;
    text-align: center;
  }
}