/* ============================================================
   EDANTRA OS — HOW-IT-WORKS.CSS
   ============================================================ */

/* ─── PAGE HEADER ─── */
.hiw-header {
  padding-top: var(--nav-h);
  background: var(--off-white);
  border-bottom: 1px solid var(--border);
}
.hiw-header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 72px var(--page-px) 80px;
}
.hiw-header-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 40px;
}
.hiw-header-meta {
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--mid);
}
.hiw-h1 {
  font-family: var(--display);
  font-size: clamp(64px, 10vw, 160px);
  font-weight: 400;
  line-height: 0.90;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: var(--black);
  margin-bottom: 40px;
}
.hiw-h1 em {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(54px, 8.5vw, 136px);
  font-weight: 400;
  text-transform: none;
  display: block;
}
.hiw-intro {
  font-size: 19px;
  font-weight: 400;
  color: var(--mid);
  line-height: 1.75;
  max-width: 680px;
  border-top: 1px solid var(--border);
  padding-top: 32px;
}

/* ─── ENTRY PATHS ─── */
.entry-section {
  background: var(--warm-white);
}
.entry-inner {
  padding: 100px var(--page-px);
}
.entry-header {
  margin-bottom: 64px;
}
.entry-h2 {
  font-family: var(--display);
  font-size: clamp(52px, 7vw, 108px);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  line-height: 0.92;
  color: var(--black);
  margin-bottom: 20px;
}
.entry-h2 em {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(44px, 6vw, 92px);
  text-transform: none;
  display: block;
}
.entry-sub {
  font-size: 17px;
  font-weight: 400;
  color: var(--mid);
  line-height: 1.7;
  max-width: 480px;
}

/* Entry grid — two paths + merge node */
.entry-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 0;
  border: 1px solid var(--border);
  background: var(--border);
}
.entry-path {
  background: var(--off-white);
}
.entry-path--accent {
  background: var(--warm-white);
}
.entry-path-header {
  padding: 36px 40px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
}
.entry-path-tag {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--mid);
}
.entry-path-title {
  font-family: var(--sans);
  font-size: 20px;
  font-weight: 700;
  color: var(--black);
  line-height: 1.2;
}
.entry-path-body {
  padding: 32px 40px 40px;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.entry-step {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}
.entry-step:last-child { border-bottom: none; }
.entry-step-num {
  font-family: var(--display);
  font-size: 28px;
  font-weight: 400;
  color: var(--border-strong);
  line-height: 1;
  flex-shrink: 0;
  margin-top: 2px;
}
.entry-step-text {
  font-size: 15px;
  font-weight: 400;
  color: var(--mid);
  line-height: 1.65;
}
.entry-step-text strong {
  display: block;
  font-weight: 700;
  color: var(--black);
  font-size: 14px;
  letter-spacing: 0.02em;
  margin-bottom: 4px;
}

/* Merge column */
.entry-merge {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0 32px;
  background: var(--warm-white);
}
.entry-merge-line {
  width: 1px;
  flex: 1;
  background: var(--border);
}
.entry-merge-node {
  padding: 16px 0;
}
.entry-merge-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mid);
  writing-mode: vertical-rl;
  text-orientation: mixed;
}

/* Pipeline banner below the two paths */
.entry-pipeline {
  margin-top: 1px;
  border: 1px solid var(--border);
  border-top: none;
  background: var(--black);
  padding: 32px 40px;
}
.pipeline-label {
  margin-bottom: 20px;
}
.pipeline-label .t-label { color: rgba(255,255,255,0.35); }
.pipeline-steps {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0;
}
.pipeline-step {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--off-white);
  padding: 8px 0;
}
.pipeline-step-icon {
  color: var(--accent);
  font-size: 15px;
}
.pipeline-arrow {
  font-size: 18px;
  color: rgba(255,255,255,0.20);
  padding: 0 20px;
}

/* ─── INDIVIDUAL STEPS ─── */
.step-section {
  border-bottom: 1px solid var(--border);
}
.step-section--light { background: var(--off-white); }
.step-section--warm  { background: var(--warm-white); }
.step-section--dark  { background: var(--black); border-bottom-color: rgba(255,255,255,0.07); }

.step-inner {
  padding: 100px var(--page-px);
}
.step-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.step-content--reversed { direction: rtl; }
.step-content--reversed > * { direction: ltr; }

.step-num-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mid);
  margin-bottom: 20px;
}
.step-num-label--light { color: rgba(255,255,255,0.35); }

.step-h2 {
  font-family: var(--display);
  font-size: clamp(52px, 7vw, 108px);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  line-height: 0.92;
  color: var(--black);
  margin-bottom: 32px;
}
.step-h2 em {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(44px, 6vw, 92px);
  text-transform: none;
  display: block;
}
.step-h2--light        { color: var(--off-white); }
.step-h2--light em     { color: rgba(243,241,235,0.65); }

.step-body {
  font-size: 17px;
  font-weight: 400;
  color: var(--mid);
  line-height: 1.78;
  margin-bottom: 20px;
  max-width: 480px;
}
.step-body--light { color: rgba(255,255,255,0.55); }

.step-channels {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 8px;
}
.step-channels li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  font-weight: 500;
  color: var(--mid);
  padding: 13px 0;
  border-bottom: 1px solid var(--border);
}
.step-channels li:first-child { border-top: 1px solid var(--border); }
.step-channels--light li { color: rgba(255,255,255,0.50); border-bottom-color: rgba(255,255,255,0.07); }
.step-channels--light li:first-child { border-top-color: rgba(255,255,255,0.07); }

.step-check {
  color: #27873a;
  font-weight: 700;
  font-size: 15px;
  flex-shrink: 0;
}

/* ─── MINI PHONE UI (static) ─── */
.mini-phone {
  background: #111214;
  display: flex;
  flex-direction: column;
}
.mini-phone--dark {
  border: 1px solid rgba(255,255,255,0.10);
}
.mini-phone-top {
  padding: 18px 22px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.mini-phone-name {
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 700;
  color: var(--off-white);
  letter-spacing: 0.01em;
}
.mini-phone-sub {
  font-size: 11px;
  font-weight: 400;
  color: rgba(255,255,255,0.35);
  letter-spacing: 0.04em;
}
.mini-phone-body {
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.mini-msg {
  font-size: 13px;
  font-weight: 400;
  line-height: 1.55;
  padding: 10px 14px;
  max-width: 85%;
}
.mini-msg--bot {
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.80);
  align-self: flex-start;
}
.mini-msg--client {
  background: rgba(255,255,255,0.14);
  color: var(--off-white);
  align-self: flex-end;
}
.mini-msg--system {
  background: transparent;
  color: rgba(255,255,255,0.30);
  font-size: 11px;
  letter-spacing: 0.04em;
  align-self: center;
  text-align: center;
  padding: 2px 0;
  max-width: 100%;
}
.mini-msg--status {
  background: rgba(200,255,0,0.10);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.03em;
  align-self: flex-start;
}

/* ─── PIPELINE SUMMARY TABLE ─── */
.pipeline-section {
  background: var(--off-white);
}
.pipeline-inner {
  padding: 100px var(--page-px);
}
.pipeline-header {
  margin-bottom: 56px;
}
.pipeline-h2 {
  font-family: var(--display);
  font-size: clamp(48px, 6.5vw, 100px);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  line-height: 0.92;
  color: var(--black);
}
.pipeline-h2 em {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(40px, 5.5vw, 85px);
  text-transform: none;
  display: block;
}
.pipeline-table {
  border: 1px solid var(--border);
}
.pipeline-row {
  display: grid;
  grid-template-columns: 2fr 2fr 2fr;
  border-bottom: 1px solid var(--border);
}
.pipeline-row:last-child { border-bottom: none; }
.pipeline-row--header {
  background: var(--black);
}
.pipeline-col {
  padding: 20px 28px;
  font-size: 15px;
  font-weight: 400;
  color: var(--mid);
  line-height: 1.55;
  border-right: 1px solid var(--border);
}
.pipeline-col:last-child { border-right: none; }
.pipeline-row--header .pipeline-col {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  border-right-color: rgba(255,255,255,0.07);
  padding: 16px 28px;
}
.pipeline-col--task   { color: var(--black); font-weight: 500; }
.pipeline-col--before { color: var(--mid); }
.pipeline-col--after  { color: var(--black); font-weight: 600; }

.pipeline-row:nth-child(even) .pipeline-col { background: var(--warm-white); }

/* ─── CTA BAND ─── */
.hiw-cta-section {
  background: var(--black);
  border-bottom: none;
}
.hiw-cta-inner {
  padding: 100px var(--page-px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 40px;
}
.hiw-cta-h2 {
  font-family: var(--display);
  font-size: clamp(48px, 6.5vw, 100px);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  line-height: 0.92;
  color: var(--off-white);
  margin-bottom: 16px;
}
.hiw-cta-sub {
  font-family: var(--serif);
  font-size: 20px;
  font-style: italic;
  color: rgba(255,255,255,0.45);
  line-height: 1.5;
}
.hiw-cta-actions {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-shrink: 0;
}
.hiw-cta-actions .link-arrow {
  color: rgba(255,255,255,0.55);
  border-bottom-color: rgba(255,255,255,0.30);
}
.hiw-cta-actions .link-arrow:hover {
  color: var(--off-white);
  border-bottom-color: var(--off-white);
}

/* ─── RESPONSIVE ─── */
@media (max-width: 1000px) {
  .step-content {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .step-content--reversed { direction: ltr; }

  .entry-grid {
    grid-template-columns: 1fr;
  }
  .entry-merge {
    flex-direction: row;
    padding: 20px 40px;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
  }
  .entry-merge-line { width: auto; height: 1px; flex: 1; }
  .entry-merge-label { writing-mode: horizontal-tb; padding: 0 16px; }

  .pipeline-row {
    grid-template-columns: 1fr 1fr;
  }
  .pipeline-col--task {
    grid-column: 1 / -1;
    border-right: none;
    border-bottom: 1px solid var(--border);
    background: var(--warm-white);
  }
  .pipeline-row--header { display: none; }
}

@media (max-width: 820px) {
  .hiw-header-inner { padding: 56px var(--page-px) 64px; }
  .step-inner { padding: 64px var(--page-px); }
  .entry-inner { padding: 64px var(--page-px); }
  .pipeline-inner { padding: 64px var(--page-px); }
  .hiw-cta-inner { padding: 64px var(--page-px); flex-direction: column; align-items: flex-start; }

  .pipeline-steps { gap: 8px; flex-direction: column; align-items: flex-start; }
  .pipeline-arrow { padding: 0; transform: rotate(90deg); }
}

@media (max-width: 600px) {
  .pipeline-row { grid-template-columns: 1fr; }
  .pipeline-col { border-right: none; }
  .pipeline-col--task { grid-column: auto; }

  .entry-path-header,
  .entry-path-body { padding: 24px var(--page-px); }
  .entry-pipeline { padding: 24px var(--page-px); }
}