/* ==========================================================================
   CLIFFEGO — SECTION STYLES
   ========================================================================== */

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: var(--surface-dark);
  color: var(--text-on-dark);
  padding-top: calc(var(--spacing-section) + 4rem);
  padding-bottom: var(--spacing-section);
  overflow: hidden;
}
.hero__grid {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--spacing-container);
  display: grid;
  grid-template-columns: 1.4fr 0.6fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 2;
}
.hero__sub { margin-top: 1.75rem; max-width: 42ch; color: var(--text-on-dark-muted); }
.hero__actions { margin-top: 2.75rem; }

/* Single orchestrated entrance: headline + visual settle together on load.
   Respects prefers-reduced-motion via the global rule in base.css, which
   collapses all durations to ~0 and removes the transform. */
.hero__grid > div:first-child { opacity: 0; transform: translateY(14px); animation: heroIn var(--duration-hero) var(--ease-editorial) 120ms forwards; }
.hero__visual { opacity: 0; transform: scale(0.97); animation: heroVisualIn var(--duration-hero) var(--ease-editorial) 280ms forwards; }
@keyframes heroIn { to { opacity: 1; transform: translateY(0); } }
@keyframes heroVisualIn { to { opacity: 1; transform: scale(1); } }

/* ---------- Hero → content strata transition ---------- */
/* Reuses the existing strata visual language (angled bands, copper edge-
   lines) as a full-bleed field at the base of the hero, so the boundary
   with the next section reads as a continuation through rock layers
   rather than a hard cut. Three static bands — no DOM growth on scroll. */
.hero__strata-field {
  position: absolute;
  left: 0; right: 0;
  bottom: 0;
  height: 220px;
  pointer-events: none;
  z-index: 1;
}
.strata-band {
  position: absolute;
  left: -8%; right: -8%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-copper) 25%, var(--color-copper) 75%, transparent);
  transform-origin: left center;
  will-change: transform, opacity;
}
.strata-band--1 { top: 18%; opacity: 0.55; transform: rotate(-1.2deg); }
.strata-band--2 { top: 48%; opacity: 0.35; transform: rotate(0.8deg); background: linear-gradient(90deg, transparent, var(--color-silver) 25%, var(--color-silver) 75%, transparent); }
.strata-band--3 { top: 76%; opacity: 0.22; transform: rotate(-0.5deg); }
/* Dissolves the field into the next section's surface so the seam feels
   deliberate rather than abrupt. */
.strata-band__seam {
  position: absolute;
  inset: auto 0 0 0;
  height: 120px;
  background: linear-gradient(to bottom, transparent, var(--surface-white));
}

/* Primary technique: native CSS scroll-driven animation, timed to the
   hero's own presence in the viewport. Only engages when both the browser
   supports it and the person hasn't asked for reduced motion. */
@media (prefers-reduced-motion: no-preference) {
  @supports (animation-timeline: view()) {
    .hero { view-timeline-name: --hero-track; view-timeline-axis: block; }
    .strata-band {
      animation-name: strataDescend;
      animation-timeline: --hero-track;
      animation-fill-mode: both;
      animation-timing-function: linear;
    }
    .strata-band--1 { animation-range: cover 25% cover 100%; }
    .strata-band--2 { animation-range: cover 10% cover 90%; }
    .strata-band--3 { animation-range: cover 0% cover 80%; }
  }
}
@keyframes strataDescend {
  from { transform: translateY(0) rotate(var(--band-tilt, 0deg)); }
  to   { transform: translateY(110px) rotate(var(--band-tilt, 0deg)); opacity: 0; }
}
.strata-band--1 { --band-tilt: -1.2deg; }
.strata-band--2 { --band-tilt: 0.8deg; }
.strata-band--3 { --band-tilt: -0.5deg; }

/* Fallback: same visual result, driven by a scroll-computed CSS variable
   set in main.js via a passive + rAF-throttled listener. Only attached
   when the browser lacks scroll-driven animation support. */
.hero.js-strata-fallback .strata-band {
  transform: translateY(calc(var(--strata-progress, 0) * 110px)) rotate(var(--band-tilt, 0deg));
  opacity: calc(var(--strata-progress, 0) * -1 + 1);
}
.hero.js-strata-fallback .strata-band--1 { opacity: calc(0.55 - var(--strata-progress, 0) * 0.55); }
.hero.js-strata-fallback .strata-band--2 { opacity: calc(0.35 - var(--strata-progress, 0) * 0.35); }
.hero.js-strata-fallback .strata-band--3 { opacity: calc(0.22 - var(--strata-progress, 0) * 0.22); }

@media (max-width: 700px) {
  .hero__strata-field { height: 140px; }
  .strata-band--3 { display: none; }
  @keyframes strataDescend { to { transform: translateY(60px) rotate(var(--band-tilt, 0deg)); opacity: 0; } }
  .hero.js-strata-fallback .strata-band { transform: translateY(calc(var(--strata-progress, 0) * 60px)) rotate(var(--band-tilt, 0deg)); }
}

/* CSS-only "digital frontier" cliff composition — strata + grid + light */
.hero__visual {
  position: relative;
  aspect-ratio: 4 / 5;
  border: 1px solid var(--border-on-dark);
  border-radius: var(--radius-card);
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(160,82,50,0.08), transparent 40%),
    var(--color-deep-slate);
}
.hero__visual .grid-lines {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, var(--border-on-dark) 1px, transparent 1px),
    linear-gradient(to bottom, var(--border-on-dark) 1px, transparent 1px);
  background-size: 12.5% 12.5%;
  opacity: 0.6;
}
.hero__visual .strata {
  position: absolute;
  left: -10%; right: -10%;
  height: 46%;
  background: linear-gradient(100deg, var(--color-charcoal) 0%, #1d1f22 60%, var(--color-charcoal) 100%);
  clip-path: polygon(0 40%, 100% 8%, 100% 100%, 0% 100%);
}
.hero__visual .strata--1 { bottom: -6%; opacity: 0.95; }
.hero__visual .strata--2 { bottom: 10%; height: 38%; clip-path: polygon(0 55%, 100% 20%, 100% 100%, 0 100%); opacity: 0.85; background: linear-gradient(100deg, #202327, var(--color-deep-slate)); }
.hero__visual .edge-line {
  position: absolute;
  left: -10%; right: -10%;
  bottom: 44%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-copper) 30%, var(--color-copper) 70%, transparent);
  transform: rotate(-4deg);
  transform-origin: left;
}
.hero__visual .node {
  position: absolute;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-copper);
  box-shadow: 0 0 0 6px rgba(160,82,50,0.15);
}
.hero__visual .node--1 { top: 22%; left: 62%; }
.hero__visual .node--2 { top: 38%; left: 30%; background: var(--color-silver); box-shadow: 0 0 0 6px rgba(168,170,173,0.15); }
.hero__visual .node--3 { top: 55%; left: 78%; }
.hero__visual .beam {
  position: absolute;
  top: 0; bottom: 40%;
  left: 62%;
  width: 1px;
  background: linear-gradient(to bottom, rgba(160,82,50,0.6), transparent);
}
@media (prefers-reduced-motion: no-preference) {
  .hero__visual .strata { animation: driftY 14s ease-in-out infinite alternate; }
  .hero__visual .strata--2 { animation-duration: 18s; }
}
@keyframes driftY { from { transform: translateY(0); } to { transform: translateY(-8px); } }

@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__visual { order: -1; aspect-ratio: 16/10; }
}

/* ---------- Progression (Business Problem) ---------- */
.progression {
  display: flex;
  align-items: center;
  gap: 0;
  margin-top: 3.5rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
}
.progression__step {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 1.1rem 1.4rem;
  border: var(--border-hairline);
  border-radius: var(--radius-card);
  min-width: 150px;
}
.progression__step .label { font: var(--text-label); letter-spacing: var(--text-label-tracking); text-transform: uppercase; color: var(--text-on-light-muted); }
.progression__step .value { font: 600 1rem/1.3 var(--font-base); }
.progression__step--active { border-color: var(--accent); }
.progression__step--active .value { color: var(--accent); }
.progression__arrow { flex: 0 0 auto; padding: 0 1rem; color: var(--text-on-light-muted); }

/* ---------- Transformation (before/after) ---------- */
.transform-toggle {
  display: inline-flex;
  border: var(--border-hairline);
  border-radius: 999px;
  padding: 4px;
  margin-bottom: 2.5rem;
}
.transform-toggle button {
  padding: 0.55rem 1.4rem;
  border-radius: 999px;
  font: 600 0.875rem/1 var(--font-base);
  color: var(--text-on-light-muted);
  transition: background var(--duration-fast), color var(--duration-fast);
}
.transform-toggle button.is-active { background: var(--color-charcoal); color: var(--color-white); }
.transform-panel { display: none; }
.transform-panel.is-active { display: block; }
.transform-list { display: flex; flex-direction: column; gap: 1rem; max-width: 46ch; }
.transform-list li {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  font: 500 1.0625rem/1.4 var(--font-base);
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-on-light);
}
.transform-list .dot { width: 8px; height: 8px; border-radius: 50%; flex: none; }
.transform-panel[data-panel="before"] .dot { background: var(--color-silver); }
.transform-panel[data-panel="after"] .dot { background: var(--color-copper); }

/* ---------- Never Closes ---------- */
.hours-strip {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  border: var(--border-hairline-dark);
  border-radius: var(--radius-card);
  overflow: hidden;
  margin-top: 3rem;
}
.hours-strip > div {
  padding: 1.5rem 1rem;
  border-right: var(--border-hairline-dark);
  text-align: center;
}
.hours-strip > div:last-child { border-right: none; }
.hours-strip .cap { font: var(--text-label); letter-spacing: var(--text-label-tracking); text-transform: uppercase; color: var(--text-on-dark-muted); margin-bottom: 0.5rem; }
.hours-strip .val { font: 600 0.9375rem/1.3 var(--font-base); }
@media (max-width: 767px) { .hours-strip { grid-template-columns: repeat(2, 1fr); } .hours-strip > div:nth-child(2n) { border-right: none; } }

/* ---------- Services (homepage editorial list) ---------- */
/* Mirrors the sequential structure services.html already has, rather than
   flattening six distinct services into identical rounded cards. */
.service-list {
  margin-top: 3rem;
  border-top: var(--border-hairline);
}
.service-row {
  display: grid;
  grid-template-columns: 4.5rem 1fr auto;
  align-items: center;
  gap: 2rem;
  padding: 1.75rem 0;
  border-bottom: var(--border-hairline);
  transition: background var(--duration-base) var(--ease-out);
}
.service-row:hover { background: var(--surface-light); }
.service-row__num { font: 400 1.75rem/1 var(--font-display); color: var(--text-on-light-muted); }
.service-row__body { min-width: 0; }
.service-row__title { font: 600 1.1875rem/1.3 var(--font-base); }
.service-row__desc { color: var(--text-on-light-muted); margin-top: 0.35rem; max-width: 52ch; }
.service-row__arrow {
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 1px solid var(--border-on-light);
  display: flex; align-items: center; justify-content: center;
  flex: none;
  transition: border-color var(--duration-base), transform var(--duration-base), background var(--duration-base);
}
.service-row:hover .service-row__arrow { border-color: var(--accent); background: var(--accent); color: var(--color-white); transform: translateX(3px); }
@media (max-width: 700px) {
  .service-row { grid-template-columns: 3rem 1fr; }
  .service-row__arrow { display: none; }
}

/* ---------- Process ---------- */
.process-rail {
  position: relative;
  margin-top: 4rem;
}
.process-rail__track {
  position: absolute;
  top: 14px; left: 0; right: 0;
  height: 2px;
  background: var(--border-on-light);
}
.process-rail__fill {
  position: absolute;
  top: 14px; left: 0;
  height: 2px;
  background: var(--accent);
  width: 0%;
  transition: width var(--duration-slow) var(--ease-out);
}
.process-rail__steps {
  position: relative;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
}
.process-step { display: flex; flex-direction: column; gap: 1rem; padding-right: 1rem; cursor: pointer; }
.process-step__dot {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--surface-white);
  border: 2px solid var(--border-on-light);
  display: flex; align-items: center; justify-content: center;
  font: 700 0.75rem/1 var(--font-base);
  color: var(--text-on-light-muted);
  transition: border-color var(--duration-base), color var(--duration-base), background var(--duration-base);
}
.process-step.is-active .process-step__dot { border-color: var(--accent); background: var(--accent); color: var(--color-white); }
.process-step__title { font: 700 0.9375rem/1.3 var(--font-base); }
.process-step__desc { color: var(--text-on-light-muted); font: var(--text-small); }
.process-step:not(.is-active) .process-step__desc { opacity: 0.55; }
@media (max-width: 900px) {
  .process-rail__track, .process-rail__fill { display: none; }
  .process-rail__steps { grid-template-columns: 1fr; gap: 1.75rem; }
}

/* ---------- Ecosystem (vertical flow) ---------- */
.ecosystem-flow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  max-width: 420px;
  margin: 3.5rem auto 0;
}
.ecosystem-flow__node {
  width: 100%;
  text-align: center;
  padding: 1rem 1.25rem;
  border: var(--border-hairline-dark);
  border-radius: var(--radius-card);
  font: 600 0.9375rem/1 var(--font-base);
}
.ecosystem-flow__node--start { background: var(--accent); border-color: var(--accent); color: var(--color-white); }
.ecosystem-flow__connector { height: 28px; width: 1px; background: var(--border-on-dark); }

/* ---------- Technical architecture ---------- */
.arch-diagram {
  display: flex; flex-direction: column; align-items: center; gap: 0;
  max-width: 340px; margin: 0 auto;
}
.arch-diagram__node {
  width: 100%; text-align: center;
  padding: 0.9rem 1rem;
  border: var(--border-hairline);
  border-radius: var(--radius-card);
  font: 600 0.875rem/1 var(--font-base);
  background: var(--surface-white);
}
.arch-diagram__connector { height: 22px; width: 1px; background: var(--border-on-light); }
.capability-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.75rem 2rem; margin-top: 2.5rem; }
.capability-list li { font: 500 0.9375rem/1.4 var(--font-base); padding-left: 1rem; position: relative; }
.capability-list li::before { content: ""; position: absolute; left: 0; top: 0.55em; width: 6px; height: 1px; background: var(--accent); }

/* ---------- Why Cliffego principles ---------- */
.principles-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2.5rem 2rem; margin-top: 3rem; }
.principle .h3 { margin-bottom: 0.6rem; }
.principle p { color: var(--text-on-dark-muted); }
@media (max-width: 900px) { .principles-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .principles-grid { grid-template-columns: 1fr; } }

/* ---------- Trust ---------- */
.trust-row { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2.5rem; }
.trust-chip {
  padding: 0.7rem 1.25rem;
  border: var(--border-hairline);
  border-radius: 999px;
  font: 500 0.875rem/1 var(--font-base);
}

/* ---------- Final CTA ---------- */
.final-cta { text-align: center; }
.final-cta__inner { max-width: 640px; margin: 0 auto; }
.final-cta .actions { justify-content: center; margin-top: 2.25rem; }
.final-cta__wordmark { margin-top: 4rem; font: 700 0.9375rem/1 var(--font-base); letter-spacing: 0.04em; color: var(--text-on-dark-muted); }

/* ---------- Section header helper ---------- */
.section-head { max-width: 640px; }
.section-head.centered { margin: 0 auto; text-align: center; }

/* ---------- Inner-page hero ---------- */
.page-hero { background: var(--surface-dark); color: var(--text-on-dark); padding: calc(var(--spacing-section) + 4rem) 0 4rem; }
.page-hero .h1 { margin-top: 0.5rem; }

/* ---------- Solutions detail rows ---------- */
.solution-row {
  display: grid;
  grid-template-columns: 0.9fr 1.4fr;
  gap: 3rem;
  padding: 3.5rem 0;
  border-bottom: var(--border-hairline);
  align-items: start;
}
.solution-row:last-child { border-bottom: none; }
.solution-row__qas { display: grid; gap: 1.25rem; }
.solution-row__qa .label { font: var(--text-label); letter-spacing: var(--text-label-tracking); text-transform: uppercase; color: var(--accent); margin-bottom: 0.3rem; }
@media (max-width: 900px) { .solution-row { grid-template-columns: 1fr; gap: 1.5rem; } }

/* ---------- Services detail ---------- */
.service-detail {
  display: grid;
  grid-template-columns: 0.5fr 1.5fr;
  gap: 3rem;
  padding: 3.5rem 0;
  border-bottom: var(--border-hairline);
}
.service-detail:last-child { border-bottom: none; }
.service-detail__num { font: 700 2.5rem/1 var(--font-base); color: var(--border-on-light); }
.service-detail__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem 2rem; margin-top: 1.5rem; }
.service-detail__grid .label { font: var(--text-label); letter-spacing: var(--text-label-tracking); text-transform: uppercase; color: var(--text-on-light-muted); margin-bottom: 0.35rem; }
@media (max-width: 900px) { .service-detail { grid-template-columns: 1fr; gap: 1rem; } .service-detail__grid { grid-template-columns: 1fr; } }

/* ---------- Contact form ---------- */
.contact-layout { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 4rem; align-items: start; }
.field { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 1.5rem; }
.field label { font: 600 0.8125rem/1 var(--font-base); }
.field input, .field select, .field textarea {
  font: inherit;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border-on-light);
  border-radius: var(--radius-input);
  background: var(--surface-white);
  color: var(--text-on-light);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
}
.field textarea { resize: vertical; min-height: 120px; }
.field .error { font: var(--text-small); color: var(--color-copper); display: none; }
.field.has-error input, .field.has-error select, .field.has-error textarea { border-color: var(--color-copper); }
.field.has-error .error { display: block; }
/* Anti-spam honeypot: present in the DOM for bots, invisible and unreachable
   for real visitors (not display:none, which some bots skip past). */
.hp-field { position: absolute; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.contact-side { border: var(--border-hairline); border-radius: var(--radius-card); padding: 2rem; }
.contact-side .h3 { margin-bottom: 0.75rem; }
.form-status { margin-top: 1rem; font: 600 0.9375rem/1.4 var(--font-base); display: none; }
.form-status.is-visible { display: block; }
@media (max-width: 900px) { .contact-layout { grid-template-columns: 1fr; gap: 2.5rem; } .form-row { grid-template-columns: 1fr; } }