/* ============================================================
   ELIGERE.TECH — Brand Identity Stylesheet
   Obsidian #0A0A0A | Slate #2E2E2E | Blood Orange #D84C26
   Playfair Display | Inter | JetBrains Mono
   ============================================================ */

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

:root {
  --obsidian:  #0A0A0A;
  --slate:     #1A1A1A;
  --slate-mid: #2E2E2E;
  --blood:     #D84C26;
  --blood-dim: rgba(216,76,38,.12);
  --text:      #E8E8E8;
  --text-dim:  #999;
  --muted:     #666;
  --border:    rgba(255,255,255,.06);

  --serif:  'Playfair Display', Georgia, 'Times New Roman', serif;
  --sans:   'Inter', system-ui, -apple-system, sans-serif;
  --mono:   'JetBrains Mono', 'Fira Code', monospace;

  --ease:   cubic-bezier(.25,.1,.25,1);
}

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

body {
  background: var(--obsidian);
  color: var(--text);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

::selection { background: var(--blood); color: #fff; }

/* ── REVEAL ANIMATION ──────────────────────────────────── */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* stagger children */
.reveal:nth-child(2) { transition-delay: .08s; }
.reveal:nth-child(3) { transition-delay: .16s; }
.reveal:nth-child(4) { transition-delay: .2s; }
.reveal:nth-child(5) { transition-delay: .24s; }
.reveal:nth-child(6) { transition-delay: .28s; }

/* ── NAVIGATION ────────────────────────────────────────── */

.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.4rem 4rem;
  background: rgba(10,10,10,.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: padding .3s var(--ease);
}
.nav.scrolled { padding-top: 1rem; padding-bottom: 1rem; }

.nav-logo {
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -.01em;
}
.logo-dot { color: var(--blood); }

.nav-links { display: flex; align-items: center; gap: 2.5rem; }

.nav-links a {
  font-family: var(--mono);
  font-size: .68rem;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color .25s;
}
.nav-links a:hover { color: var(--text); }

.nav-links .nav-cta {
  color: var(--blood);
  border: 1px solid rgba(216,76,38,.4);
  padding: .4rem 1.1rem;
  transition: border-color .25s, color .25s, background .25s;
}
.nav-links .nav-cta:hover {
  background: var(--blood);
  border-color: var(--blood);
  color: #fff;
}

/* mobile toggle */
.nav-toggle {
  display: none;
  flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.nav-toggle span {
  display: block; width: 22px; height: 1.5px;
  background: var(--text);
  transition: transform .3s;
}

/* ── HERO ──────────────────────────────────────────────── */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 10rem 4rem 6rem;
}

.hero-inner { max-width: 820px; }

.hero-pre {
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 2rem;
}

.hero-question {
  font-family: var(--serif);
  font-size: clamp(2.4rem, 4.2vw, 4.6rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--text);
  margin-bottom: 2rem;
}

.hero-divider {
  width: 48px; height: 2px;
  background: var(--blood);
  margin-bottom: 2rem;
}

.hero-sub {
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--text-dim);
  line-height: 1.85;
  max-width: 580px;
  margin-bottom: 2rem;
}

.hero-mandate {
  display: flex; flex-direction: column; gap: .35rem;
  padding-left: 1rem;
  border-left: 1px solid var(--slate-mid);
  margin-bottom: 3rem;
}
.hero-mandate span {
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .04em;
  color: var(--muted);
  line-height: 1.8;
}

/* scroll hint */
.hero-scroll-hint {
  position: absolute;
  bottom: 2.5rem; right: 4rem;
  display: flex; flex-direction: column; align-items: center; gap: .6rem;
}
.hero-scroll-hint span {
  font-family: var(--mono);
  font-size: .58rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}
.scroll-line {
  width: 1px; height: 48px;
  background: linear-gradient(to bottom, var(--muted), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: .3; }
  50% { opacity: 1; }
}

/* ── BUTTONS ───────────────────────────────────────────── */

.btn-outline {
  display: inline-block;
  font-family: var(--mono);
  font-size: .68rem;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--blood);
  background: transparent;
  border: 1px solid rgba(216,76,38,.35);
  padding: .85rem 2rem;
  cursor: pointer;
  transition: background .3s var(--ease), border-color .3s, color .3s;
}
.btn-outline:hover {
  background: var(--blood);
  border-color: var(--blood);
  color: #fff;
}

/* ── SHARED ────────────────────────────────────────────── */

.section-label {
  display: inline-block;
  font-family: var(--mono);
  font-size: .62rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.2rem;
}
.section-label.accent { color: var(--blood); }

/* ── FRAMEWORKS ────────────────────────────────────────── */

.frameworks {
  padding: 8rem 4rem;
  border-top: 1px solid var(--border);
}
.frameworks-inner { max-width: 1200px; margin: 0 auto; }

.section-header { margin-bottom: 5rem; }
.section-header h2 {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 3.2vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text);
}

.framework-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.framework-card {
  padding: 2.8rem 2.5rem;
  border: 1px solid var(--border);
  margin-right: -1px; margin-bottom: -1px;
  position: relative;
  transition: background .35s var(--ease);
}
.framework-card::before {
  content: '';
  position: absolute; top: 0; left: 0;
  width: 0; height: 2px;
  background: var(--blood);
  transition: width .4s var(--ease);
}
.framework-card:hover { background: rgba(255,255,255,.02); }
.framework-card:hover::before { width: 100%; }

.framework-head {
  display: flex; align-items: center; gap: 1rem;
  margin-bottom: 1.8rem;
}
.framework-id {
  font-family: var(--mono);
  font-size: .62rem;
  letter-spacing: .1em;
  color: var(--muted);
}
.framework-line {
  flex: 1; height: 1px;
  background: var(--border);
}

.framework-name {
  font-family: var(--serif);
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: .4rem;
  line-height: 1;
}
.tm { font-size: .7rem; vertical-align: super; color: var(--blood); }

.framework-type {
  font-family: var(--mono);
  font-size: .6rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--blood);
  margin-bottom: 1.4rem;
}

.framework-desc {
  font-size: .88rem;
  color: var(--text-dim);
  line-height: 1.8;
  margin-bottom: 2rem;
}

.framework-tags { list-style: none; display: flex; flex-direction: column; gap: .45rem; }
.framework-tags li {
  font-family: var(--mono);
  font-size: .58rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
  padding-left: 1rem;
  position: relative;
}
.framework-tags li::before {
  content: '';
  position: absolute; left: 0; top: 50%;
  width: 6px; height: 1px;
  background: var(--blood);
}

/* ── DIVIDER QUOTE ─────────────────────────────────────── */

.divider-quote {
  padding: 5rem 4rem;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.divider-quote blockquote {
  font-family: var(--serif);
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  font-weight: 700;
  font-style: italic;
  line-height: 1.6;
  color: var(--text-dim);
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

/* ── PROTOCOL ──────────────────────────────────────────── */

.protocol {
  padding: 8rem 4rem;
  background: var(--slate);
}
.protocol-inner { max-width: 760px; }

.protocol-title {
  font-family: var(--serif);
  font-size: clamp(2rem, 3.5vw, 3.2rem);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 1.2rem;
}

.protocol-desc {
  font-size: 1rem;
  color: var(--text-dim);
  line-height: 1.85;
  margin-bottom: 3.5rem;
}

.protocol-steps {
  display: flex; flex-direction: column;
  border-top: 1px solid var(--border);
  margin-bottom: 3rem;
}

.protocol-step {
  display: flex; gap: 2rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--border);
  transition: background .3s;
}
.protocol-step:hover {
  background: rgba(255,255,255,.015);
  padding-left: 1rem;
}

.step-num {
  font-family: var(--serif);
  font-size: .85rem;
  font-weight: 700;
  color: var(--blood);
  min-width: 2rem;
  padding-top: .15rem;
}

.step-content h4 {
  font-family: var(--mono);
  font-size: .68rem;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: .5rem;
}
.step-content p {
  font-size: .88rem;
  color: var(--text-dim);
  line-height: 1.7;
}

.protocol-closing {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--muted);
  padding-top: .5rem;
}

/* ── INQUIRY ───────────────────────────────────────────── */

.inquiry {
  padding: 8rem 4rem;
  border-top: 1px solid var(--border);
}
.inquiry-inner { max-width: 760px; }

.inquiry-inner h2 {
  font-family: var(--serif);
  font-size: clamp(2rem, 3.5vw, 3.2rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 1rem;
}

.inquiry-sub {
  font-size: .9rem;
  color: var(--text-dim);
  line-height: 1.85;
  margin-bottom: 3rem;
}

.inquiry-form { max-width: 580px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.form-group { display: flex; flex-direction: column; }

.form-group label {
  font-family: var(--mono);
  font-size: .58rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: .5rem;
}

.form-group input {
  font-family: var(--sans);
  font-size: .88rem;
  font-weight: 300;
  color: var(--text);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--slate-mid);
  padding: .6rem 0;
  outline: none;
  transition: border-color .3s;
}
.form-group input:focus {
  border-color: var(--blood);
}
.form-group input::placeholder {
  color: var(--muted);
  opacity: .5;
}

.inquiry-form .btn-outline {
  margin-top: 1rem;
}

.inquiry-confirmation { max-width: 580px; }

.confirmation-title {
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: .8rem;
}
.confirmation-text {
  font-size: .9rem;
  color: var(--text-dim);
  line-height: 1.85;
}


/* ── BRIEFS (HOME) ─────────────────────────────────────── */

.briefs-home {
  padding: 8rem 4rem;
  border-top: 1px solid var(--border);
}
.briefs-home-inner { max-width: 1200px; margin: 0 auto; }

.briefs-home-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.brief-home-card {
  display: flex; flex-direction: column;
  padding: 2.5rem;
  border: 1px solid var(--border);
  margin-right: -1px; margin-bottom: -1px;
  text-decoration: none;
  transition: background .3s var(--ease);
  position: relative;
}
.brief-home-card::before {
  content: '';
  position: absolute; top: 0; left: 0;
  width: 0; height: 2px;
  background: var(--blood);
  transition: width .4s var(--ease);
}
.brief-home-card:hover { background: rgba(255,255,255,.02); }
.brief-home-card:hover::before { width: 100%; }

.brief-home-card h3 {
  margin-top: .5rem;
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: 1rem;
}

.brief-home-card p {
  font-size: .85rem;
  color: var(--text-dim);
  line-height: 1.75;
  flex: 1;
  margin-bottom: 1.5rem;
}

.brief-home-link {
  font-family: var(--mono);
  font-size: .62rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color .25s;
}
.brief-home-card:hover .brief-home-link { color: var(--blood); }

.briefs-home-cta {
  margin-top: 3rem;
}

/* ── BRIEFS (LIST PAGE) ────────────────────────────────── */

.briefs-hero {
  padding: 10rem 4rem 4rem;
  border-bottom: 1px solid var(--border);
}
.briefs-hero-inner { max-width: 760px; }
.briefs-hero h1 {
  font-family: var(--serif);
  font-size: clamp(2rem, 3.5vw, 3.2rem);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 1rem;
}
.briefs-hero-sub {
  font-size: 1rem;
  color: var(--text-dim);
  line-height: 1.85;
}

.briefs-list { padding: 2rem 4rem 6rem; }
.briefs-list-inner { max-width: 900px; }

.brief-item {
  display: block;
  text-decoration: none;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--border);
  transition: padding-left .3s var(--ease);
}
.brief-item:hover { padding-left: 1rem; }

.brief-item-title {
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: .6rem;
}

.brief-item-summary {
  font-size: .88rem;
  color: var(--text-dim);
  line-height: 1.75;
  margin-bottom: .8rem;
}

.brief-item-link {
  font-family: var(--mono);
  font-size: .6rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color .25s;
}
.brief-item:hover .brief-item-link { color: var(--blood); }

/* ── BRIEF (ARTICLE PAGE) ─────────────────────────────── */

.brief-article {
  padding: 10rem 4rem 6rem;
}
.brief-article-inner { max-width: 680px; margin: 0 auto; }

.brief-back {
  display: inline-block;
  font-family: var(--mono);
  font-size: .62rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--muted);
  margin-bottom: 2.5rem;
  transition: color .25s;
}
.brief-back:hover { color: var(--blood); }

.brief-article-header h1 {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
  margin-bottom: 2rem;
}

.brief-divider {
  width: 48px; height: 2px;
  background: var(--blood);
  margin-bottom: 3rem;
}

.brief-article-body {
  font-size: 1.02rem;
  color: var(--text-dim);
  line-height: 1.95;
}
.brief-article-body p {
  margin-bottom: 1.8rem;
}
.brief-article-body p:last-child {
  color: var(--text);
  font-weight: 400;
}

.brief-article-footer {
  margin-top: 4rem;
  padding-top: 2.5rem;
}
.brief-closing-line {
  width: 48px; height: 1px;
  background: var(--border);
  margin-bottom: 1.5rem;
}
.brief-disclaimer {
  font-size: .8rem;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 2rem;
}

/* ── FOOTER ────────────────────────────────────────────── */

.footer {
  padding: 3.5rem 4rem;
  border-top: 1px solid var(--border);
}
.footer-inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
}
.footer-left { display: flex; flex-direction: column; gap: .35rem; }

.footer-logo {
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}
.footer-tagline {
  font-family: var(--mono);
  font-size: .58rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
}
.footer-copy {
  font-size: .75rem;
  color: var(--muted);
}

/* ── RESPONSIVE ────────────────────────────────────────── */

@media (max-width: 960px) {
  .nav { padding: 1.2rem 2rem; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }

  .hero { padding: 8rem 2rem 5rem; }
  .hero-sub br { display: none; }

  .frameworks { padding: 5rem 2rem; }
  .framework-grid { grid-template-columns: 1fr; }
  .framework-card { margin-right: 0; }

  .divider-quote { padding: 4rem 2rem; }
  .divider-quote blockquote br { display: none; }

  .briefs-home { padding: 5rem 2rem; }
  .briefs-home-grid { grid-template-columns: 1fr; }
  .brief-home-card { margin-right: 0; }
  .briefs-hero { padding: 8rem 2rem 3rem; }
  .briefs-list { padding: 1.5rem 2rem 4rem; }
  .brief-article { padding: 8rem 2rem 4rem; }

  .protocol { padding: 5rem 2rem; }
  .inquiry { padding: 5rem 2rem; }
  .footer { padding: 2.5rem 2rem; }
  .footer-inner { flex-direction: column; align-items: flex-start; gap: 1.5rem; }

  .hero-scroll-hint { display: none; }
  .form-row { grid-template-columns: 1fr; gap: 1.2rem; }
}

@media (max-width: 480px) {
  .hero-question { font-size: 2rem; }
}