/* ═══════════════════════════════════════════════════════════════
   AlcalSpark — Homepage
   DA Premium : hero editorial, dark, Cormorant / Syne / DM Sans
═══════════════════════════════════════════════════════════════ */

/* ── Hero editorial ──────────────────────────────────────────── */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Titre DERRIERE — z-index 1 */
.hero-title-back {
  position: absolute;
  z-index: 1;
  left: 0; right: 0;
  text-align: center;
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-weight: 300;
  font-style: italic;
  font-size: clamp(5rem, 11vw, 12rem);
  line-height: 1;
  letter-spacing: -.01em;
  color: var(--cream);
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
  top: 16%;
}

/* Image abstraite — z-index 2 */
.hero-img {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -52%);
  width: 58%; height: auto;
  object-fit: contain;
  z-index: 2;
  opacity: .95;
  mask-image: radial-gradient(ellipse 80% 78% at 48% 46%, black 35%, rgba(0,0,0,0.5) 55%, transparent 72%);
  -webkit-mask-image: radial-gradient(ellipse 80% 78% at 48% 46%, black 35%, rgba(0,0,0,0.5) 55%, transparent 72%);
}

/* Titre DEVANT — z-index 3 */
.hero-title-front {
  position: absolute;
  z-index: 3;
  left: 0; right: 0;
  text-align: center;
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-weight: 300;
  font-style: italic;
  font-size: clamp(5rem, 11vw, 12rem);
  line-height: 1;
  letter-spacing: -.01em;
  color: var(--cream);
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
  bottom: 8%;
}

/* Coins */
.hero-corner {
  position: absolute;
  z-index: 4;
  font-family: 'DM Sans', sans-serif;
  font-size: .65rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
  line-height: 1.6;
}
.hero-corner.tl { top: 5.5rem; left: 2.5rem; }
.hero-corner.tr { top: 5.5rem; right: 2.5rem; text-align: right; }
.hero-corner.bl { bottom: 2.5rem; left: 2.5rem; }
.hero-corner.br { bottom: 2.5rem; right: 2.5rem; text-align: right; }
.hero-corner span { display: block; }
.hero-corner .dim { color: var(--muted2); font-size: .58rem; margin-top: .2rem; }

/* Scroll hint */
.scroll-hint {
  position: absolute;
  bottom: 2.5rem; left: 50%;
  transform: translateX(-50%);
  z-index: 4;
  font-family: 'DM Sans', sans-serif;
  font-size: .62rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--muted2);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
}
.scroll-hint::after {
  content: '';
  width: 1px; height: 36px;
  background: linear-gradient(to bottom, rgba(248,245,242,.18), transparent);
}

/* ── BLOC INTERACTIF — desktop only ── */

@media (max-width: 1023px) {
  .interactive-block { display: none; }
}

.interactive-block {
  border-top: 1px solid rgba(248,245,242,0.07);
  background: #0A0D0B;
}

.stats-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.stat-tab {
  padding: 2.5rem 2rem;
  border-right: 1px solid rgba(248,245,242,0.07);
  cursor: pointer;
  position: relative;
  transition: background .2s;
  user-select: none;
}
.stat-tab:last-child { border-right: none; }

.stat-tab::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: #5a8a6e;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s ease;
}
.stat-tab.active::after { transform: scaleX(1); }
.stat-tab.active { background: rgba(56,81,68,0.06); }
.stat-tab:hover:not(.active) { background: rgba(248,245,242,0.02); }

.stat-num {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2rem, 3vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1;
  margin-bottom: .4rem;
  color: #F8F5F2;
  transition: color .2s;
}
.stat-tab.active .stat-num { color: #5a8a6e; }

.stat-label {
  font-family: 'DM Sans', sans-serif;
  font-size: .8rem;
  font-weight: 300;
  color: rgba(248,245,242,0.45);
  line-height: 1.5;
}

.canvas-zone {
  position: relative;
  overflow: hidden;
  border-top: 1px solid rgba(248,245,242,0.07);
  height: 420px;
  cursor: crosshair;
}

#lines-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

/* ── Services ────────────────────────────────────────────────── */
.services-section { padding: var(--section-py) 0; }

.services-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: end;
  margin-bottom: 4rem;
}

.services-intro h2 { line-height: 1.05; }

.services-intro-right {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 1.5rem;
}

.services-intro-right p {
  font-size: .95rem;
  color: var(--g70);
  line-height: 1.7;
  max-width: 44ch;
}

/* Liste éditoriale numérotée */
.services-list {
  border-top: 1px solid var(--g15);
}

.service-item {
  display: grid;
  grid-template-columns: 5rem 1fr auto;
  align-items: center;
  gap: 2.5rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--g15);
  position: relative;
  overflow: hidden;
  cursor: default;
}

/* Fond hover */
.service-item::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--g04);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .5s var(--ease);
}
.service-item:hover::before { transform: scaleX(1); }

.service-item > * { position: relative; z-index: 1; }

.svc-num {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2.75rem);
  font-weight: 300;
  color: var(--g30);
  line-height: 1;
  letter-spacing: -.02em;
}

.svc-body {
  display: flex;
  flex-direction: column;
  gap: .4rem;
}

.svc-body h3 {
  font-family: var(--font-sans);
  font-size: clamp(1rem, 1.8vw, 1.4rem);
  font-weight: 700;
  letter-spacing: -.01em;
  line-height: 1.2;
  color: var(--green);
}

.svc-body p {
  font-size: .9rem;
  color: var(--g70);
  max-width: 55ch;
  line-height: 1.65;
}

.svc-arrow {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--green);
  opacity: 0;
  transform: translateX(-10px);
  transition: opacity .4s var(--ease), transform .4s var(--ease);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: .75rem;
}
.svc-arrow::after {
  content: '';
  display: block;
  width: 1.5rem;
  height: 1px;
  background: currentColor;
  transition: width .4s var(--ease);
}

.service-item:hover .svc-arrow { opacity: 1; transform: none; }
.service-item:hover .svc-arrow::after { width: 2.5rem; }

.services-cta {
  margin-top: 3.5rem;
  display: flex;
  justify-content: center;
}

/* ── Philosophie ─────────────────────────────────────────────── */
.philosophy-section {
  background: var(--green);
  color: var(--cream);
  padding: var(--section-py) 0;
}

.philosophy-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.phil-item {
  padding: 3.5rem 2.75rem;
  border-right: 1px solid var(--c15);
  border-top: 1px solid var(--c15);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  transition: background .4s;
}
.phil-item:first-child { border-left: 1px solid var(--c15); }
.phil-item:last-child { border-right: 1px solid var(--c15); }

.phil-item:hover { background: var(--c08); }

.phil-symbol {
  font-size: 1.35rem;
  color: var(--c50);
  line-height: 1;
}

.phil-item h3 {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 2.5vw, 2.25rem);
  font-weight: 400;
  color: var(--cream);
  line-height: 1.1;
}

.phil-item p {
  font-size: .9rem;
  color: var(--c70);
  line-height: 1.7;
  max-width: 36ch;
}

/* ── Portfolio teaser ────────────────────────────────────────── */
.portfolio-teaser { padding: var(--section-py) 0; }

.portfolio-header {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 3rem;
}

.portfolio-header h2 { line-height: 1.05; }
.portfolio-header h2 em { font-style: italic; }

.portfolio-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 1.25rem;
}

.portfolio-item {
  display: block;
  overflow: hidden;
  position: relative;
  background: var(--g08);
  cursor: pointer;
}

.pi-image {
  width: 100%;
  position: relative;
  overflow: hidden;
  aspect-ratio: 3/2;
}

.portfolio-grid > .portfolio-item:first-child .pi-image {
  aspect-ratio: auto;
  min-height: 460px;
}

.pi-real-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .9s var(--ease);
}

.portfolio-item:hover .pi-real-img { transform: scale(1.04); }

.pi-ns-pattern {
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, rgba(201,168,76,0.025) 0px, rgba(201,168,76,0.025) 1px, transparent 1px, transparent 40px),
    repeating-linear-gradient(90deg, rgba(201,168,76,0.025) 0px, rgba(201,168,76,0.025) 1px, transparent 1px, transparent 40px);
}

.pi-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .5rem;
}

.pi-overlay {
  position: absolute;
  inset: 0;
  background: rgba(56,81,68,.88);
  display: flex;
  align-items: flex-end;
  padding: 2rem;
  opacity: 0;
  transition: opacity .45s var(--ease);
}
.portfolio-item:hover .pi-overlay { opacity: 1; }

.pi-info {
  color: var(--cream);
  display: flex;
  flex-direction: column;
  gap: .6rem;
  transform: translateY(10px);
  transition: transform .45s var(--ease);
}
.portfolio-item:hover .pi-info { transform: none; }

.pi-info h3 {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 400;
  color: var(--cream);
}
.pi-info p { font-size: .85rem; color: var(--c90); max-width: 38ch; }

.badge {
  display: inline-block;
  font-size: .63rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  padding: .28rem .8rem;
  border: 1px solid var(--c30);
  color: var(--c90);
  align-self: flex-start;
}

.pi-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.1rem 1.5rem 1.25rem;
  border-top: 1px solid var(--g15);
}

.pi-meta h4 {
  font-family: var(--font-sans);
  font-size: .85rem;
  font-weight: 700;
  color: var(--green);
  margin-bottom: .2rem;
  text-transform: none;
  letter-spacing: 0;
}
.pi-meta > div > span {
  font-size: .75rem;
  color: var(--g50);
}

.pi-concept-badge {
  font-size: .63rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--g50);
  border: 1px solid var(--g30);
  padding: .25rem .75rem;
}

/* ── Process ─────────────────────────────────────────────────── */
.process-section {
  padding: var(--section-py) 0;
  background: var(--green);
  color: var(--cream);
}

.process-intro {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  margin-bottom: 4rem;
}

.process-intro .eyebrow { color: var(--c50); }
.process-intro h2 { color: var(--cream); }
.process-intro h2 em { font-style: italic; }

.process-steps {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--c15);
  border-left: 1px solid var(--c15);
}

.process-step {
  padding: 3rem 2.25rem;
  border-right: 1px solid var(--c15);
  border-bottom: 1px solid var(--c15);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  transition: background .4s;
}
.process-step:hover { background: var(--c08); }

.ps-num {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 5vw, 5rem);
  font-weight: 300;
  color: var(--c30);
  line-height: 1;
  letter-spacing: -.02em;
}

.process-step h4 {
  font-family: var(--font-sans);
  font-size: .95rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--cream);
}

.process-step p {
  font-size: .9rem;
  color: var(--c70);
  line-height: 1.65;
  max-width: 26ch;
}

/* ── CTA ─────────────────────────────────────────────────────── */
.cta-section { padding: var(--section-py) 0; }

.cta-section .eyebrow { color: var(--g50); }

.cta-section h2 { margin-bottom: 1.5rem; }
.cta-section h2 em { font-style: italic; }

.cta-section > .container > p {
  font-size: 1rem;
  color: var(--g70);
  margin-bottom: 2.5rem;
  max-width: 48ch;
}

.cta-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ── X-ray : revelation au survol ───────────────────────────── */
.svc-xray {
  position: absolute;
  inset: 0;
  z-index: 4;
  background: var(--bg2);
  clip-path: circle(0px at 50% 50%);
  pointer-events: none;
  display: flex;
  align-items: center;
  padding: 0 2.5rem;
  gap: 3rem;
  overflow: hidden;
}

/* Code, Creation Web */
.xray-code {
  font-family: 'Courier New', 'Consolas', monospace;
  font-size: 0.7rem;
  line-height: 1.7;
  white-space: pre;
  user-select: none;
  flex-shrink: 0;
}
.xc-tag  { color: rgba(248,245,242,0.4); }
.xc-attr { color: rgba(100,180,150,0.75); }
.xc-val  { color: rgba(201,168,76,0.7); }
.xc-text { color: rgba(248,245,242,0.75); }
.xc-prop { color: rgba(100,180,150,0.6); }
.xc-cmt  { color: rgba(90,138,110,0.7); font-style: italic; }
.xray-code-extra {
  font-family: 'Courier New', monospace;
  font-size: 0.65rem;
  line-height: 1.6;
  color: rgba(90,138,110,0.7);
  white-space: pre;
  user-select: none;
  border-left: 1px solid var(--border);
  padding-left: 1.5rem;
  flex-shrink: 0;
}

/* Wireframe, Design UI/UX */
.xray-wireframe {
  display: flex;
  flex-direction: column;
  gap: 6px;
  user-select: none;
  flex-shrink: 0;
  width: 180px;
}
.xw-nav {
  height: 10px;
  border: 1px solid rgba(248,245,242,0.1);
  border-radius: 2px;
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 0 6px;
}
.xw-nav::before {
  content: '';
  flex: 1;
  height: 3px;
  background: rgba(248,245,242,0.08);
  border-radius: 1px;
}
.xw-row { display: flex; gap: 5px; height: 28px; }
.xw-box {
  flex: 1;
  border: 1px dashed rgba(248,245,242,0.09);
  border-radius: 2px;
}
.xw-box.w2 { flex: 2; }
.xw-label {
  font-size: 0.55rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(90,138,110,0.75);
  user-select: none;
  align-self: flex-start;
  margin-top: 4px;
}
.xray-wireframe-detail {
  display: flex;
  flex-direction: column;
  gap: 5px;
  user-select: none;
}
.xwd-comp {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Courier New', monospace;
  font-size: 0.6rem;
  color: rgba(90,138,110,0.8);
}
.xwd-comp::before {
  content: '◻';
  color: rgba(248,245,242,0.2);
  font-size: 0.8rem;
}

/* Brand, Branding & Identite */
.xray-brand {
  display: flex;
  flex-direction: column;
  gap: 10px;
  user-select: none;
  flex-shrink: 0;
}
.xb-swatches { display: flex; }
.xb-swatch {
  width: 26px; height: 26px;
  border-radius: 50%;
  border: 2px solid var(--bg2);
  margin-left: -5px;
}
.xb-swatch:first-child { margin-left: 0; }
.xb-type {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 2rem;
  font-weight: 300;
  color: rgba(248,245,242,0.55);
  line-height: 1;
  letter-spacing: 0.06em;
}
.xb-label {
  font-size: 0.55rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(90,138,110,0.8);
}
.xray-brand-scale {
  display: flex;
  flex-direction: column;
  gap: 5px;
  user-select: none;
}
.xbs-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.xbs-sample {
  color: rgba(248,245,242,0.3);
  font-family: 'Cormorant Garamond', serif;
}

/* SEO layer */
.xray-seo {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  user-select: none;
}
.xs-chart { width: 130px; height: 50px; overflow: visible; flex-shrink: 0; }
.xs-kpis { display: flex; gap: 2rem; }
.xs-kpi {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.xs-kpi strong {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.5rem;
  font-weight: 400;
  color: rgba(248,245,242,0.7);
  line-height: 1;
}
.xs-kpi span {
  font-size: 0.58rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(90,138,110,0.8);
}
.xray-seo-tags {
  display: flex;
  flex-direction: column;
  gap: 5px;
  user-select: none;
}
.xst-row {
  font-family: 'Courier New', monospace;
  font-size: 0.62rem;
  color: rgba(90,138,110,0.8);
  white-space: nowrap;
}
.xst-row span { color: rgba(201,168,76,0.6); }

/* SaaS architecture layer */
.xray-arch {
  display: flex;
  align-items: center;
  gap: 8px;
  user-select: none;
  flex-wrap: wrap;
}
.xa-node {
  font-family: 'Courier New', monospace;
  font-size: 0.67rem;
  color: rgba(248,245,242,0.5);
  border: 1px solid rgba(90,138,110,0.5);
  padding: 5px 12px;
  border-radius: 3px;
  white-space: nowrap;
}
.xa-node.accent {
  color: rgba(201,168,76,0.8);
  border-color: rgba(201,168,76,0.4);
  background: rgba(201,168,76,0.04);
}
.xa-line { color: rgba(90,138,110,0.55); font-family: monospace; font-size: 0.75rem; flex-shrink: 0; }
.xray-arch-detail {
  display: flex;
  flex-direction: column;
  gap: 4px;
  user-select: none;
  border-left: 1px solid var(--border);
  padding-left: 1.25rem;
}
.xad-line {
  font-family: 'Courier New', monospace;
  font-size: 0.6rem;
  color: rgba(90,138,110,0.8);
  white-space: nowrap;
}
.xad-line span { color: rgba(201,168,76,0.55); }

/* Copy / editorial layer */
.xray-copy {
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 42%;
  user-select: none;
  flex-shrink: 0;
}
.xc-h1-line {
  height: 10px;
  background: rgba(248,245,242,0.2);
  border-radius: 2px;
  width: 62%;
}
.xc-lead-line {
  height: 6px;
  background: rgba(248,245,242,0.09);
  border-radius: 1px;
  width: 82%;
}
.xc-body-lines { display: flex; flex-direction: column; gap: 4px; margin-top: 2px; }
.xc-body-lines div {
  height: 4px;
  background: rgba(248,245,242,0.13);
  border-radius: 1px;
}
.xc-cta-box {
  align-self: flex-start;
  margin-top: 6px;
  font-family: 'Courier New', monospace;
  font-size: 0.6rem;
  color: rgba(201,168,76,0.65);
  border: 1px solid rgba(201,168,76,0.3);
  padding: 4px 10px;
  border-radius: 2px;
}
.xray-copy-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  user-select: none;
}
.xcm-block {
  font-family: 'Courier New', monospace;
  font-size: 0.6rem;
  color: rgba(90,138,110,0.75);
  white-space: nowrap;
}
.xcm-block span { color: rgba(248,245,242,0.35); }

/* Flow, Conseil layer */
.xray-flow {
  display: flex;
  align-items: center;
  gap: 10px;
  user-select: none;
  flex-wrap: wrap;
}
.xf-node {
  font-family: 'Courier New', monospace;
  font-size: 0.68rem;
  color: rgba(248,245,242,0.5);
  border: 1px solid rgba(90,138,110,0.5);
  padding: 5px 14px;
  border-radius: 3px;
  white-space: nowrap;
}
.xf-node.accent { color: rgba(201,168,76,0.75); border-color: rgba(201,168,76,0.35); }
.xf-arr { color: rgba(90,138,110,0.55); font-size: 0.85rem; flex-shrink: 0; }
.xray-flow-detail {
  display: flex;
  flex-direction: column;
  gap: 5px;
  user-select: none;
  border-left: 1px solid var(--border);
  padding-left: 1.25rem;
}
.xfd-item {
  font-family: 'Courier New', monospace;
  font-size: 0.6rem;
  color: rgba(90,138,110,0.8);
  white-space: nowrap;
}
.xfd-item span { color: rgba(248,245,242,0.3); }

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .hero-title-back,
  .hero-title-front { font-size: clamp(3.5rem, 9vw, 8rem); }
  .hero-img { width: 80%; }

  .services-intro { grid-template-columns: 1fr; gap: 2rem; }

  .portfolio-grid { grid-template-columns: 1fr; }
  .portfolio-grid > .portfolio-item:first-child .pi-image { min-height: 320px; }

  .process-steps { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .hero-title-back,
  .hero-title-front { font-size: clamp(2.8rem, 12vw, 5rem); white-space: normal; text-align: center; padding: 0 1rem; }
  .hero-img { width: 95%; }
  .hero-corner.bl, .hero-corner.br { display: none; }
  .scroll-hint { display: none; }

  .service-item { grid-template-columns: 4rem 1fr; }
  .svc-arrow { display: none; }

  .philosophy-grid { grid-template-columns: 1fr; }
  .phil-item:first-child { border-left: none; }
  .phil-item { border-right: none; border-bottom: 1px solid var(--border); }
  .phil-item:last-child { border-right: none; }

  .portfolio-header { flex-direction: column; align-items: flex-start; gap: 1rem; }

  .process-steps { grid-template-columns: 1fr; }

  .cta-actions { flex-direction: column; }
  .cta-actions .btn { justify-content: center; }
}