/* ─────────────────────────────────────────────────────────────
   Ifa Mechanics · MechoE — The Mechanics of Everything
   CENProject · ifainternet.org/ifa-mechanics/
───────────────────────────────────────────────────────────── */

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

:root {
  --bg:      #06080e;
  --bg2:     #090d18;
  --bg3:     #0c1220;
  --bg4:     #0f1628;
  --text:    #e8ecf2;
  --muted:   #8892a4;
  --faint:   #3a4257;
  --border:  rgba(255, 255, 255, 0.07);
  --border2: rgba(255, 255, 255, 0.12);
  --mech:    #f59e0b;
  --mech2:   #f97316;
  --mech-glow: rgba(245, 158, 11, 0.15);
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--text); overflow-x: hidden; }
a    { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font: inherit; color: inherit; }
img  { display: block; max-width: 100%; }
strong { color: var(--text); font-weight: 700; }

/* ── Header ───────────────────────────────────────────────── */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 24px 48px;
  transition: background .4s, padding .3s, backdrop-filter .3s, border-color .3s;
  border-bottom: 1px solid transparent;
}
.site-header--scrolled {
  background: rgba(6, 8, 14, .92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 14px 48px;
  border-bottom-color: var(--border);
}
.header__inner {
  max-width: 1320px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
}
.header__logo {
  display: flex; align-items: center; gap: 0;
  font-size: 1.18rem; font-weight: 800; letter-spacing: -.5px;
}
.header__logo-mark {
  color: var(--mech); margin-right: 7px;
  font-size: 1.1rem; opacity: .9;
}
.header__logo-ifa   { color: var(--mech); }
.header__logo-rest  { color: var(--text); }
.header__logo-sep   { color: var(--faint); margin: 0 8px; font-weight: 300; }
.header__logo-tag   { font-size: .68rem; font-weight: 600; letter-spacing: 1.4px;
                      color: var(--muted); text-transform: uppercase; }
.header__nav { display: flex; align-items: center; gap: 32px; }
.header__link {
  color: var(--muted); font-size: .86rem; font-weight: 500;
  transition: color .2s; letter-spacing: .2px;
}
.header__link:hover { color: var(--text); }
.header__cta {
  background: var(--mech); color: #06080e;
  padding: 9px 20px; border-radius: 7px;
  font-size: .82rem; font-weight: 700; letter-spacing: .2px;
  transition: opacity .2s, transform .18s, box-shadow .2s;
  box-shadow: 0 0 0 rgba(245,158,11,0);
}
.header__cta:hover {
  opacity: .88; transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(245, 158, 11, .28);
}

/* ── Hero ─────────────────────────────────────────────────── */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  background: radial-gradient(ellipse 80% 60% at 50% 0%,
    rgba(245, 158, 11, .06) 0%, transparent 70%);
}

/* Coordinate grid */
.hero__grid {
  position: absolute; inset: 0; pointer-events: none;
  background:
    repeating-linear-gradient(0deg,  transparent, transparent 59px, rgba(245,158,11,.055) 60px),
    repeating-linear-gradient(90deg, transparent, transparent 59px, rgba(245,158,11,.055) 60px),
    repeating-linear-gradient(0deg,  transparent, transparent 19px, rgba(245,158,11,.018) 20px),
    repeating-linear-gradient(90deg, transparent, transparent 19px, rgba(245,158,11,.018) 20px),
    repeating-linear-gradient(60deg,  transparent, transparent 119px, rgba(249,115,22,.025) 120px),
    repeating-linear-gradient(-60deg, transparent, transparent 119px, rgba(249,115,22,.025) 120px);
}

/* Glowing orbs */
.hero__orb {
  position: absolute; border-radius: 50%; pointer-events: none;
}
.hero__orb--1 {
  width: 600px; height: 600px; top: -200px; left: 50%; transform: translateX(-50%);
  background: radial-gradient(circle, rgba(245,158,11,.07) 0%, transparent 70%);
}
.hero__orb--2 {
  width: 400px; height: 400px; bottom: 10%; right: -100px;
  background: radial-gradient(circle, rgba(249,115,22,.06) 0%, transparent 70%);
  animation: orb-drift 12s ease-in-out infinite alternate;
}
.hero__orb--3 {
  width: 300px; height: 300px; top: 20%; left: -80px;
  background: radial-gradient(circle, rgba(245,158,11,.04) 0%, transparent 70%);
  animation: orb-drift 9s ease-in-out infinite alternate-reverse;
}
@keyframes orb-drift {
  0%   { transform: translate(0, 0); }
  100% { transform: translate(30px, -40px); }
}

/* Physics symbols */
.hero__symbols { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.hero__sym {
  position: absolute; left: var(--sx); top: var(--sy);
  font-size: 2rem; font-weight: 700; line-height: 1;
  color: var(--mech); opacity: var(--sop);
  animation: sym-drift var(--ss) ease-in-out infinite alternate;
  animation-delay: var(--sd);
  user-select: none; font-family: Georgia, 'Times New Roman', serif;
}
@keyframes sym-drift {
  0%   { transform: translateY(0)    rotate(-8deg) scale(1); }
  100% { transform: translateY(-28px) rotate(8deg) scale(1.06); }
}

.hero__inner {
  position: relative; z-index: 2; text-align: center;
  padding: 140px 24px 100px;
  max-width: 860px;
}

/* Eyebrow with lines */
.hero__eyebrow {
  display: flex; align-items: center; justify-content: center;
  gap: 16px; margin-bottom: 36px;
}
.hero__eyebrow-line {
  display: block; height: 1px; width: 48px;
  background: linear-gradient(to right, transparent, rgba(245,158,11,.6));
}
.hero__eyebrow-line:last-child {
  background: linear-gradient(to left, transparent, rgba(245,158,11,.6));
}
.hero__eyebrow-text {
  font-size: .72rem; font-weight: 700; letter-spacing: 2.5px;
  text-transform: uppercase; color: var(--mech); white-space: nowrap;
}

.hero__title {
  font-size: clamp(4rem, 10vw, 8.5rem);
  font-weight: 900; letter-spacing: -4px; line-height: .88;
  margin-bottom: 32px;
}
.hero__title-ifa {
  display: block; color: var(--mech);
  text-shadow: 0 0 80px rgba(245,158,11,.3);
}
.hero__title-rest {
  display: block; color: var(--text);
}

.hero__sub {
  color: var(--muted); font-size: 1.05rem; line-height: 1.78;
  margin-bottom: 48px; max-width: 640px; margin-left: auto; margin-right: auto;
}

.hero__actions {
  display: flex; gap: 14px; justify-content: center; flex-wrap: wrap;
  margin-bottom: 56px;
}
.hero__btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 15px 32px; border-radius: 9px;
  font-size: .94rem; font-weight: 600;
  transition: transform .22s, opacity .2s, box-shadow .22s;
}
.hero__btn:hover { transform: translateY(-3px); }
.hero__btn--primary {
  background: var(--mech); color: #06080e;
  box-shadow: 0 4px 24px rgba(245, 158, 11, .22);
}
.hero__btn--primary:hover { box-shadow: 0 8px 36px rgba(245, 158, 11, .36); }
.hero__btn--ghost {
  background: rgba(255,255,255,.06);
  border: 1px solid var(--border2); color: var(--text);
  backdrop-filter: blur(8px);
}
.hero__btn--ghost:hover { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.22); }
.hero__btn-arrow { transition: transform .2s; }
.hero__btn:hover .hero__btn-arrow { transform: translateX(4px); }

/* Odu binary */
.hero__odu { display: inline-flex; flex-direction: column; align-items: center; gap: 10px; }
.hero__odu-label { font-size: .66rem; letter-spacing: 2px; color: var(--faint); text-transform: uppercase; }
.hero__odu-bits  { display: flex; gap: 5px; }
.hero__odu-bit {
  font-size: 1.3rem; font-weight: 900; font-family: Georgia, serif;
  width: 30px; height: 30px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 4px;
  background: rgba(255,255,255,.03);
  border: 1px solid var(--border);
}
.hero__odu-bit--ogbe  { color: var(--mech); border-color: rgba(245,158,11,.25); }
.hero__odu-bit--oyeku { color: var(--mech2); border-color: rgba(249,115,22,.2); }

/* Scroll hint */
.hero__scroll-hint {
  position: absolute; bottom: 36px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  animation: scroll-fade 2.5s ease-in-out infinite;
}
.hero__scroll-line {
  width: 1px; height: 48px;
  background: linear-gradient(to bottom, var(--mech), transparent);
}
.hero__scroll-label {
  font-size: .6rem; letter-spacing: 2.5px; text-transform: uppercase;
  color: var(--faint);
}
@keyframes scroll-fade {
  0%, 100% { opacity: .4; }
  50%       { opacity: 1; }
}

/* ── Stats Bar ────────────────────────────────────────────── */
.stats-bar {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stats-bar__inner {
  max-width: 1320px; margin: 0 auto;
  display: flex; align-items: stretch;
}
.stats-item {
  flex: 1; display: flex; align-items: center; gap: 20px;
  padding: 32px 36px; position: relative;
}
.stats-item__divider {
  position: absolute; right: 0; top: 20%; bottom: 20%;
  width: 1px; background: var(--border);
}
.stats-item__glyph {
  font-size: 2rem; color: var(--mech); opacity: .35;
  flex-shrink: 0; font-family: Georgia, serif;
}
.stats-item__body  { display: flex; align-items: baseline; gap: 14px; }
.stats-item__value {
  font-size: 2.8rem; font-weight: 900; line-height: 1;
  color: var(--mech); font-variant-numeric: tabular-nums;
  letter-spacing: -1px;
}
.stats-item__meta  { display: flex; flex-direction: column; gap: 3px; }
.stats-item__label { font-size: .88rem; font-weight: 700; color: var(--text); }
.stats-item__sub   { font-size: .72rem; color: var(--muted); }

/* ── Shared Section ───────────────────────────────────────── */
.section__inner  { max-width: 1320px; margin: 0 auto; padding: 0 48px; }
.section__header { text-align: center; margin-bottom: 72px; }
.section__eyebrow {
  display: inline-block; color: var(--mech);
  font-size: .7rem; font-weight: 700; letter-spacing: 3px;
  text-transform: uppercase; margin-bottom: 16px;
}
.section__title {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 900; letter-spacing: -1.5px; margin-bottom: 20px; line-height: 1.05;
}
.section__sub {
  color: var(--muted); font-size: 1.02rem; line-height: 1.7;
  max-width: 560px; margin: 0 auto;
}

/* ── Disciplines ──────────────────────────────────────────── */
.disciplines { padding: 120px 0; }

.disc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 18px;
}

.disc-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 16px; overflow: hidden;
  display: flex; flex-direction: column;
  position: relative;
  transition: transform .28s cubic-bezier(.22,1,.36,1),
              border-color .28s, box-shadow .28s;
}
.disc-card::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--dc-accent) 6%, transparent),
    transparent 60%);
  opacity: 0; transition: opacity .3s; pointer-events: none;
}
.disc-card:hover {
  transform: translateY(-6px);
  border-color: color-mix(in srgb, var(--dc-accent) 32%, transparent);
  box-shadow: 0 16px 48px color-mix(in srgb, var(--dc-accent) 10%, transparent);
}
.disc-card:hover::before { opacity: 1; }

/* Card top row */
.disc-card__top {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 20px 0;
}
.disc-card__index {
  font-size: .65rem; font-weight: 800; letter-spacing: 1.5px;
  color: var(--faint); font-variant-numeric: tabular-nums;
}
.disc-card__tag {
  background: color-mix(in srgb, var(--dc-accent) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--dc-accent) 30%, transparent);
  color: var(--dc-accent);
  font-size: .6rem; font-weight: 700; letter-spacing: 1px; text-transform: uppercase;
  padding: 3px 9px; border-radius: 100px;
}

/* Glyph area */
.disc-card__glyph-wrap {
  position: relative; height: 88px;
  display: flex; align-items: center; justify-content: center;
  margin: 14px 20px 0;
  border-radius: 12px; overflow: hidden;
}
.disc-card__glyph-bg {
  position: absolute; inset: 0;
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--dc-accent) 14%, var(--bg3)),
    color-mix(in srgb, var(--dc-accent) 5%, var(--bg)));
}
.disc-card__glyph {
  position: relative; z-index: 1;
  font-size: 2.6rem; line-height: 1;
  color: var(--dc-accent);
  transition: transform .35s cubic-bezier(.34,1.56,.64,1);
  font-family: Georgia, 'Times New Roman', serif;
}
.disc-card:hover .disc-card__glyph { transform: scale(1.22) rotate(-5deg); }

.disc-card__body  { padding: 18px 20px 0; flex: 1; display: flex; flex-direction: column; }
.disc-card__name  { font-size: 1.06rem; font-weight: 800; margin-bottom: 3px; letter-spacing: -.2px; }
.disc-card__abbr  { font-size: .67rem; color: var(--mech); letter-spacing: .8px;
                    margin-bottom: 10px; font-weight: 700; text-transform: uppercase; }
.disc-card__desc  { font-size: .82rem; color: var(--muted); line-height: 1.6;
                    margin-bottom: 14px; flex: 1; }
.disc-card__chips { display: flex; flex-wrap: wrap; gap: 5px; padding-bottom: 16px; }
.disc-chip {
  background: rgba(255,255,255,.04); border: 1px solid var(--border);
  color: var(--muted); font-size: .61rem; font-weight: 500; letter-spacing: .3px;
  padding: 3px 8px; border-radius: 4px;
  transition: border-color .2s, color .2s;
}
.disc-card:hover .disc-chip {
  border-color: color-mix(in srgb, var(--dc-accent) 20%, transparent);
  color: color-mix(in srgb, var(--dc-accent) 70%, var(--muted));
}

.disc-card__actions {
  padding: 14px 20px 20px;
  display: flex; gap: 8px;
  border-top: 1px solid var(--border);
}
.disc-btn {
  padding: 10px 16px; border-radius: 7px;
  font-size: .79rem; font-weight: 600; text-align: center; flex: 1;
  transition: opacity .2s, transform .18s;
}
.disc-btn:hover { opacity: .85; transform: translateY(-1px); }
.disc-btn--primary {
  background: color-mix(in srgb, var(--dc-accent) 90%, #000);
  color: #fff;
}
.disc-btn--ghost {
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border); color: var(--text);
}

/* ── Spectrum ─────────────────────────────────────────────── */
.spectrum {
  padding: 120px 0;
  background: var(--bg2);
  position: relative; overflow: hidden;
  clip-path: polygon(0 60px, 100% 0, 100% calc(100% - 60px), 0 100%);
  margin: -1px 0;
}
.spectrum__bg-pattern {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 50% 80% at 0% 50%, rgba(245,158,11,.04) 0%, transparent 60%),
    radial-gradient(ellipse 40% 60% at 100% 50%, rgba(249,115,22,.03) 0%, transparent 60%);
}

.spectrum__layout {
  display: grid; grid-template-columns: 300px 1fr;
  gap: 40px; align-items: start;
}

.spectrum__tabs { display: flex; flex-direction: column; gap: 6px; }
.spectrum__tab {
  display: flex; align-items: center; gap: 14px;
  padding: 16px 20px; border-radius: 12px;
  border: 1px solid transparent; text-align: left;
  transition: background .22s, border-color .22s, color .22s;
  color: var(--muted); position: relative; overflow: hidden;
}
.spectrum__tab::before {
  content: ''; position: absolute; left: 0; top: 20%; bottom: 20%;
  width: 2px; background: var(--st-accent);
  border-radius: 1px; opacity: 0;
  transition: opacity .22s;
}
.spectrum__tab:hover { background: rgba(255,255,255,.04); color: var(--text); }
.spectrum__tab--active {
  background: color-mix(in srgb, var(--st-accent) 10%, transparent);
  border-color: color-mix(in srgb, var(--st-accent) 28%, transparent);
  color: var(--text);
}
.spectrum__tab--active::before { opacity: 1; }
.spectrum__tab-icon {
  font-size: 1.5rem; font-weight: 700;
  color: var(--st-accent); width: 34px; text-align: center; flex-shrink: 0;
  font-family: Georgia, serif;
}
.spectrum__tab-name { font-size: .88rem; font-weight: 600; flex: 1; }
.spectrum__tab-arrow {
  font-size: .8rem; color: var(--st-accent); opacity: 0;
  transition: opacity .2s, transform .2s;
}
.spectrum__tab--active .spectrum__tab-arrow,
.spectrum__tab:hover .spectrum__tab-arrow { opacity: 1; transform: translateX(3px); }

/* Detail panel */
.spectrum__panel {
  background: var(--bg3);
  border: 1px solid color-mix(in srgb, var(--sd-accent) 24%, transparent);
  border-radius: 20px; padding: 56px 52px;
  position: sticky; top: 110px;
  box-shadow: 0 0 80px color-mix(in srgb, var(--sd-accent) 7%, transparent),
              inset 0 1px 0 rgba(255,255,255,.05);
  transition: border-color .4s, box-shadow .4s;
}
.spectrum__panel-header {
  display: flex; align-items: flex-start; justify-content: space-between;
  margin-bottom: 20px;
}
.spectrum__panel-num {
  font-size: .68rem; font-weight: 700; letter-spacing: 2px;
  color: var(--faint); font-variant-numeric: tabular-nums;
}
.spectrum__panel-icon {
  font-size: 5rem; font-weight: 700; line-height: 1;
  color: var(--sd-accent); font-family: Georgia, serif;
  transition: color .4s;
  text-shadow: 0 0 60px color-mix(in srgb, var(--sd-accent) 40%, transparent);
}
.spectrum__panel-name {
  font-size: 2.1rem; font-weight: 900; margin-bottom: 20px;
  letter-spacing: -.6px; line-height: 1.1;
}
.spectrum__panel-bar {
  height: 2px; border-radius: 1px; width: 56px; margin-bottom: 24px;
  background: var(--sd-accent);
  box-shadow: 0 0 12px color-mix(in srgb, var(--sd-accent) 60%, transparent);
  transition: background .4s;
}
.spectrum__panel-desc {
  color: var(--muted); font-size: 1rem; line-height: 1.76;
  margin-bottom: 36px;
}
.spectrum__panel-footer {
  display: flex; align-items: center; justify-content: space-between;
  border-top: 1px solid var(--border); padding-top: 22px;
}
.spectrum__panel-label {
  font-size: .68rem; font-weight: 700; letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--faint);
}
.spectrum__panel-dots { display: flex; gap: 7px; align-items: center; }
.spectrum__dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--border2);
  transition: background .25s, transform .25s;
}
.spectrum__dot--active {
  background: var(--sd-accent);
  transform: scale(1.4);
}

/* ── Ifatization ──────────────────────────────────────────── */
.ifatize-sect { padding: 120px 0; background: var(--bg3); }

.ifatize-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.ifatize-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.ifatize-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  position: relative;
  overflow: hidden;
  transition: border-color .25s, transform .25s, box-shadow .25s;
}
.ifatize-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--ia);
  border-radius: 14px 14px 0 0;
}
.ifatize-card:hover {
  border-color: color-mix(in srgb, var(--ia) 28%, transparent);
  transform: translateY(-3px);
  box-shadow: 0 10px 36px color-mix(in srgb, var(--ia) 8%, transparent);
}
.ifatize-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.ifatize-card__num {
  font-size: .62rem; font-weight: 800; letter-spacing: 1.5px;
  color: var(--faint); font-variant-numeric: tabular-nums;
  font-family: 'Courier New', monospace;
}
.ifatize-card__icon {
  font-size: 1.4rem; color: var(--ia);
  font-family: Georgia, serif; opacity: .75;
}
.ifatize-card__title {
  font-size: .88rem; font-weight: 800;
  color: var(--text); margin-bottom: 10px; line-height: 1.25;
}
.ifatize-card__body {
  font-size: .78rem; color: var(--muted); line-height: 1.66;
}

/* Definition card */
.ifatize-def {
  background: var(--bg2);
  border: 1px solid rgba(245,158,11,.24);
  border-radius: 16px;
  padding: 28px;
  margin-bottom: 18px;
  position: relative; overflow: hidden;
}
.ifatize-def::after {
  content: '';
  position: absolute; top: -30px; right: -30px;
  width: 120px; height: 120px; border-radius: 50%;
  background: radial-gradient(circle, rgba(245,158,11,.1), transparent 70%);
  pointer-events: none;
}
.ifatize-def__tag {
  font-size: .61rem; font-weight: 700; letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--mech); margin-bottom: 12px;
}
.ifatize-def__term {
  font-size: 2.1rem; font-weight: 900; color: var(--mech);
  font-style: italic; letter-spacing: -.4px; margin-bottom: 3px;
}
.ifatize-def__meta {
  font-size: .7rem; color: var(--muted); margin-bottom: 16px; letter-spacing: .3px;
}
.ifatize-def__body {
  font-size: .86rem; color: var(--text); line-height: 1.68;
  background: rgba(245,158,11,.05);
  border: 1px solid rgba(245,158,11,.13);
  border-radius: 8px;
  padding: 13px 15px;
  margin-bottom: 16px;
}
.ifatize-def__usage { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.ifatize-def__usage-lbl {
  font-size: .59rem; font-weight: 700; letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--faint);
}
.ifatize-def__usage-ex {
  font-size: .77rem; color: var(--muted); line-height: 1.6;
  font-style: italic;
  border-left: 2px solid rgba(245,158,11,.32);
  padding-left: 12px;
}
.ifatize-def__forms {
  display: flex; gap: 10px; flex-wrap: wrap;
  font-size: .72rem; color: var(--faint); align-items: center;
}
.ifatize-def__forms strong { color: var(--muted); }

/* Comparison table */
.ifatize-compare {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
}
.ifatize-compare__head {
  display: grid; grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 14px 18px;
  background: var(--bg3);
  border-bottom: 1px solid var(--border);
}
.ifatize-compare__col-ifa {
  font-size: .78rem; font-weight: 800;
  color: var(--mech); text-align: center;
}
.ifatize-compare__col-qm {
  font-size: .78rem; font-weight: 800;
  color: #00d9b8; text-align: center;
}
.ifatize-compare__sep {
  font-size: 1rem; color: var(--faint);
  padding: 0 10px; text-align: center;
}
.ifatize-compare__row {
  display: grid; grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--border);
}
.ifatize-compare__row:last-child { border-bottom: none; }
.ifatize-compare__cell {
  padding: 12px 16px;
  font-size: .77rem; line-height: 1.52;
}
.ifatize-compare__cell--ifa {
  color: var(--text); font-weight: 500;
  border-right: 1px solid var(--border);
  background: rgba(245,158,11,.025);
}
.ifatize-compare__cell--qm { color: var(--muted); font-weight: 300; }

/* ── Orisa Mechanics ──────────────────────────────────────── */
.orisa-mech { padding: 120px 0; }

/* Duality bar */
.orisa-mech__duality {
  display: grid; grid-template-columns: 1fr auto 1fr;
  align-items: center; gap: 32px;
  margin-bottom: 80px;
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 20px; padding: 40px 48px;
}
.orisa-mech__pole { text-align: center; }
.orisa-mech__pole-glyph {
  font-size: 3rem; font-family: Georgia, serif;
  line-height: 1; margin-bottom: 10px;
  display: block;
}
.orisa-mech__pole-name {
  font-size: 1.1rem; font-weight: 800; letter-spacing: -.3px;
  margin-bottom: 4px;
}
.orisa-mech__pole-sub {
  font-size: .72rem; color: var(--muted); font-weight: 600;
  letter-spacing: 1.5px; text-transform: uppercase;
}
.orisa-mech__bridge {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  padding: 0 24px;
  border-left: 1px solid var(--border); border-right: 1px solid var(--border);
}
.orisa-mech__bridge-sym {
  font-size: 2rem; color: var(--muted); font-family: Georgia, serif;
}
.orisa-mech__bridge-label {
  font-size: .65rem; font-weight: 700; letter-spacing: 2px;
  text-transform: uppercase; color: var(--faint); white-space: nowrap;
}

/* Intro text */
.orisa-mech__intro {
  max-width: 800px; margin-bottom: 72px;
}
.orisa-mech__intro .section__eyebrow { display: block; margin-bottom: 14px; }
.orisa-mech__lead {
  color: var(--muted); font-size: 1rem; line-height: 1.76;
  margin-bottom: 18px;
}
.orisa-mech__lead strong { color: var(--text); }

/* Diagrams */
.orisa-mech__diagrams {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 24px; margin-bottom: 72px;
}
.orisa-mech__diagram-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 16px; overflow: hidden;
  transition: border-color .25s, transform .25s;
}
.orisa-mech__diagram-card:hover {
  border-color: var(--border2); transform: translateY(-4px);
}
.orisa-mech__diagram-label {
  padding: 16px 20px;
  font-size: .7rem; font-weight: 700; letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--mech);
  border-bottom: 1px solid var(--border);
}
.orisa-mech__diagram-img {
  width: 100%; height: 300px; object-fit: contain;
  background: var(--bg3); padding: 24px;
  filter: brightness(1.08) contrast(1.05);
}

/* Orisa grid */
.orisa-mech__grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px; margin-bottom: 28px;
}
.orisa-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 14px; padding: 24px;
  transition: border-color .25s, box-shadow .25s, transform .25s;
}
.orisa-card:hover {
  border-color: color-mix(in srgb, var(--oc-accent) 30%, transparent);
  box-shadow: 0 8px 32px color-mix(in srgb, var(--oc-accent) 8%, transparent);
  transform: translateY(-3px);
}
.orisa-card__top {
  display: flex; align-items: center; gap: 12px; margin-bottom: 10px;
}
.orisa-card__sym {
  font-size: 1.8rem; font-family: Georgia, serif;
  color: var(--oc-accent); flex-shrink: 0;
  text-shadow: 0 0 20px color-mix(in srgb, var(--oc-accent) 50%, transparent);
}
.orisa-card__name { font-size: 1.05rem; font-weight: 800; }
.orisa-card__role {
  font-size: .68rem; font-weight: 700; letter-spacing: 1.2px;
  text-transform: uppercase; color: var(--oc-accent); margin-bottom: 10px;
}
.orisa-card__desc { font-size: .83rem; color: var(--muted); line-height: 1.58; }

.orisa-mech__note {
  font-size: .82rem; color: var(--faint); text-align: center;
  padding: 18px 0; border-top: 1px solid var(--border);
  font-style: italic;
}

/* ── About ────────────────────────────────────────────────── */
.about { padding: 120px 0; background: var(--bg2); }
.about__grid {
  display: grid; grid-template-columns: 1fr 420px;
  gap: 96px; align-items: start;
}
.about__title {
  font-size: clamp(1.9rem, 3.8vw, 2.9rem);
  font-weight: 900; letter-spacing: -1px;
  margin-bottom: 28px; line-height: 1.12;
}
.about__para {
  color: var(--muted); font-size: .95rem; line-height: 1.74;
  margin-bottom: 18px;
}

/* Feature list */
.about__features { list-style: none; margin: 28px 0; display: flex; flex-direction: column; gap: 12px; }
.about__feature {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 14px 18px; border-radius: 10px;
  background: var(--bg3); border: 1px solid var(--border);
  transition: border-color .2s;
}
.about__feature:hover { border-color: rgba(245,158,11,.2); }
.about__feature-icon {
  font-size: 1.1rem; color: var(--mech); flex-shrink: 0;
  margin-top: 1px; font-family: Georgia, serif;
}
.about__feature-text { font-size: .84rem; color: var(--muted); line-height: 1.55; }

.about__link {
  display: inline-block; margin-top: 20px;
  color: var(--mech); font-size: .9rem; font-weight: 700;
  border-bottom: 1px solid rgba(245,158,11,.3); padding-bottom: 3px;
  transition: border-color .2s, opacity .2s;
}
.about__link:hover { border-color: var(--mech); opacity: .8; }

/* Axioms card */
.about__axioms-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 20px; overflow: hidden;
  box-shadow: 0 0 60px rgba(245,158,11,.04);
}
.about__axioms-header {
  padding: 24px 28px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.about__axioms-title { font-size: 1rem; font-weight: 800; }
.about__axioms-sub {
  font-size: .68rem; font-weight: 600; letter-spacing: 1.2px;
  text-transform: uppercase; color: var(--muted);
}
.about__axioms-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px;
  padding: 24px 28px;
}
.about__axiom-cell {
  aspect-ratio: 1;
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--mech)  14%, var(--bg4)),
    color-mix(in srgb, var(--mech2) 10%, var(--bg)));
  border: 1px solid rgba(245,158,11,.15);
  border-radius: 10px;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 3px;
  animation: axiom-pulse 4s ease-in-out infinite;
  animation-delay: var(--ac-delay);
  transition: border-color .2s;
}
.about__axiom-cell:hover { border-color: rgba(245,158,11,.45); }
.about__axiom-num  { font-size: .78rem; font-weight: 900; color: var(--mech); line-height: 1; }
.about__axiom-bit  { font-size: .7rem; color: var(--mech2); font-family: Georgia, serif; opacity: .7; }
@keyframes axiom-pulse {
  0%,  100% { border-color: rgba(245,158,11,.12); box-shadow: none; }
  50%        { border-color: rgba(245,158,11,.38); box-shadow: 0 0 12px rgba(245,158,11,.12); }
}
.about__axioms-footer {
  padding: 18px 28px; border-top: 1px solid var(--border);
  text-align: center;
}
.about__axioms-tag {
  font-size: .68rem; font-weight: 600; letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--faint);
}

/* ── CTA Strip ────────────────────────────────────────────── */
.cta-strip {
  padding: 96px 0; position: relative; overflow: hidden;
  background: linear-gradient(135deg, var(--bg3) 0%, var(--bg2) 100%);
  border-top: 1px solid var(--border);
}
.cta-strip__glow {
  position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse 60% 100% at 30% 50%,
    rgba(245,158,11,.06) 0%, transparent 70%);
}
.cta-strip__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 40px; flex-wrap: wrap; position: relative; z-index: 1;
}
.cta-strip__left { display: flex; align-items: center; gap: 24px; }
.cta-strip__glyph {
  font-size: 3rem; color: var(--mech); opacity: .3; flex-shrink: 0;
  font-family: Georgia, serif;
}
.cta-strip__title { font-size: 2rem; font-weight: 900; margin-bottom: 8px; letter-spacing: -.5px; }
.cta-strip__sub   { color: var(--muted); font-size: .95rem; }
.cta-strip__actions { display: flex; gap: 12px; flex-shrink: 0; }
.cta-btn {
  padding: 15px 32px; border-radius: 9px;
  font-size: .9rem; font-weight: 700; letter-spacing: .2px;
  transition: opacity .2s, transform .22s, box-shadow .22s;
}
.cta-btn:hover { opacity: .88; transform: translateY(-2px); }
.cta-btn--primary {
  background: var(--mech); color: #06080e;
  box-shadow: 0 4px 20px rgba(245,158,11,.2);
}
.cta-btn--primary:hover { box-shadow: 0 8px 32px rgba(245,158,11,.35); }
.cta-btn--ghost {
  background: transparent; color: var(--text);
  border: 1px solid var(--border2);
}
.cta-btn--ghost:hover { border-color: rgba(255,255,255,.3); }

/* ── Footer ───────────────────────────────────────────────── */
.site-footer { padding: 64px 0; border-top: 1px solid var(--border); }
.footer__inner { max-width: 1320px; margin: 0 auto; padding: 0 48px; }
.footer__top {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 40px; margin-bottom: 40px; flex-wrap: wrap;
}
.footer__brand { display: flex; flex-direction: column; gap: 6px; }
.footer__logo  {
  font-size: 1.4rem; font-weight: 900; color: var(--text);
  display: flex; align-items: center; gap: 6px; letter-spacing: -.3px;
}
.footer__logo-mark { color: var(--mech); }
.footer__tag   { font-size: .73rem; color: var(--muted); letter-spacing: .5px; }
.footer__links { display: flex; flex-wrap: wrap; gap: 20px 32px; }
.footer__links a {
  color: var(--muted); font-size: .84rem; font-weight: 500;
  transition: color .2s;
}
.footer__links a:hover { color: var(--text); }
.footer__bottom {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 28px; border-top: 1px solid var(--border);
}
.footer__copy  { font-size: .73rem; color: var(--faint); }
.footer__odu   { display: flex; gap: 4px; }
.footer__bit   { font-size: .9rem; font-family: Georgia, serif; font-weight: 900; opacity: .4; }
.footer__bit--ogbe  { color: var(--mech); }
.footer__bit--oyeku { color: var(--mech2); }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 1100px) {
  .about__grid  { grid-template-columns: 1fr; gap: 56px; }
  .spectrum__layout { grid-template-columns: 240px 1fr; }
  .orisa-mech__diagrams { grid-template-columns: 1fr; }
  .ifatize-layout { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .site-header, .site-header--scrolled { padding: 16px 24px; }
  .header__link { display: none; }
  .section__inner { padding: 0 24px; }
  .stats-bar__inner { flex-wrap: wrap; }
  .stats-item { flex: 1 1 50%; border-bottom: 1px solid var(--border); }
  .stats-item__divider { display: none; }

  .disc-grid { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }

  .spectrum { clip-path: none; }
  .spectrum__layout { grid-template-columns: 1fr; }
  .spectrum__tabs { flex-direction: row; flex-wrap: wrap; }
  .spectrum__tab  { flex: 1 1 calc(50% - 4px); }
  .spectrum__panel { position: static; }

  .orisa-mech__duality { grid-template-columns: 1fr; gap: 24px; padding: 28px; }
  .orisa-mech__bridge { flex-direction: row; border: none; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 16px 0; }

  .cta-strip__inner { flex-direction: column; text-align: center; }
  .cta-strip__left  { flex-direction: column; align-items: center; text-align: center; }
  .cta-strip__glyph { display: none; }
  .footer__top { flex-direction: column; }
  .footer__bottom { flex-direction: column; gap: 16px; text-align: center; }
}

@media (max-width: 640px) {
  .hero__title        { letter-spacing: -2.5px; }
  .hero__actions      { flex-direction: column; align-items: center; }
  .stats-item         { flex: 1 1 100%; }
  .disc-grid          { grid-template-columns: 1fr; }
  .spectrum__tab      { flex: 1 1 100%; }
  .spectrum__panel    { padding: 32px 24px; }
  .orisa-mech__grid   { grid-template-columns: 1fr; }
  .cta-strip__actions { flex-direction: column; width: 100%; }
  .cta-btn            { text-align: center; }
  .footer__links      { flex-direction: column; gap: 14px; }
  .ifatize-cards      { grid-template-columns: 1fr; }
}