/* =============================================================
   1. Tokens
   ============================================================= */
:root {
  --charcoal:  #25282A;
  --graphite:  #17191A;
  --copper:    #B8612C;
  --copper-2:  #9c4f22;
  --sand:      #D6C3A5;
  --ivory:     #F7F4EE;
  --white:     #FFFFFF;

  --ink:       var(--charcoal);
  --ink-soft:  #4b4f52;
  --ink-mute:  #7a7e80;
  --bg:        var(--white);
  --bg-2:      var(--ivory);
  --line:      rgba(37,40,42,0.14);
  --line-soft: rgba(37,40,42,0.08);
  --line-dark: rgba(247,244,238,0.16);

  --display: "Space Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --sans: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --ease-out:  cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.25, 0.46, 0.45, 0.94);

  --nav-h: 76px;
  --radius-sm: 3px;
  --radius-md: 8px;
  --container: 1240px;
}

@property --sweep { syntax: "<percentage>"; inherits: false; initial-value: 0%; }

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html { -webkit-text-size-adjust: 100%; tab-size: 2; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
  overscroll-behavior-y: none;
}

img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
p { text-wrap: pretty; }
h1, h2, h3, h4 {
  font-family: var(--display);
  text-wrap: balance;
  line-height: 1.05;
  letter-spacing: -0.01em;
  font-weight: 600;
}
ul { list-style: none; padding: 0; }
input, textarea, select {
  font: inherit;
  color: inherit;
  background: none;
  border: 1px solid var(--line);
}
::selection { background: var(--copper); color: var(--white); }

:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 3px;
  border-radius: 2px;
}

/* =============================================================
   3. Utilities
   ============================================================= */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 1.25rem;
}
@media (min-width: 720px) { .container { padding-inline: 2rem; } }
@media (min-width: 1280px) { .container { padding-inline: 2.5rem; } }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap;
}

.skip-link {
  position: fixed; top: -100px; left: 1rem; z-index: 9999;
  padding: .7rem 1.1rem; background: var(--charcoal); color: var(--ivory);
  border-radius: var(--radius-sm); font-weight: 600; font-size: 0.9rem;
  transition: top .25s var(--ease-out);
}
.skip-link:focus { top: 1rem; }

.kicker {
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: var(--display);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--copper);
  font-weight: 600;
}
.kicker::before {
  content: ""; width: 20px; height: 1px; background: var(--copper);
}

.section-num {
  font-family: var(--display);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--ink-mute);
  font-variant-numeric: tabular-nums;
}

.hairline-top { border-top: 1px solid var(--line); }
.hairline-bottom { border-bottom: 1px solid var(--line); }

section { position: relative; }
.section-pad { padding-block: 5rem; }
@media (min-width: 960px) { .section-pad { padding-block: 7.5rem; } }

.eyebrow-row {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 1rem;
  margin-bottom: 2.5rem;
}

/* =============================================================
   4. Typography components
   ============================================================= */
.h-display {
  font-size: clamp(2.1rem, 4.6vw, 3.6rem);
  max-width: 20ch;
}
.h-section {
  font-size: clamp(1.7rem, 3.2vw, 2.5rem);
  max-width: 18ch;
}
.lede {
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  color: var(--ink-soft);
  max-width: 52ch;
  line-height: 1.7;
}

/* =============================================================
   5. Components
   ============================================================= */

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  padding: .95rem 1.6rem;
  font-family: var(--display);
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.01em;
  border-radius: var(--radius-sm);
  transition: transform .35s var(--ease-soft), box-shadow .35s var(--ease-soft), background-color .3s var(--ease-out), color .3s var(--ease-out), border-color .3s var(--ease-out);
  white-space: nowrap;
}
.btn-primary {
  background: var(--copper);
  color: var(--white);
  border: 1px solid var(--copper);
}
.btn-primary:hover { background: var(--copper-2); border-color: var(--copper-2); transform: translateY(-2px); box-shadow: 0 14px 30px -12px rgba(184,97,44,0.45); }
.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  background: transparent;
  color: var(--charcoal);
  border: 1px solid var(--line);
}
.btn-ghost:hover { border-color: var(--charcoal); background: rgba(37,40,42,0.04); }

.btn-line {
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: var(--display); font-weight: 600; font-size: 0.92rem;
  color: var(--charcoal);
  padding-block: .3rem;
  position: relative;
}
.btn-line::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px;
  height: 1px; background: var(--copper);
  transform: scaleX(0); transform-origin: right;
  transition: transform .4s var(--ease-out);
}
.btn-line:hover::after { transform: scaleX(1); transform-origin: left; }
.btn-line .arrow { transition: transform .35s var(--ease-out); }
.btn-line:hover .arrow { transform: translateX(4px); }

/* Tags / labels */
.tag {
  display: inline-flex; align-items: center;
  padding: .3rem .65rem;
  font-family: var(--display); font-size: 0.68rem; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--ink-soft);
}

/* Cards */
.card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
  transition: border-color .35s var(--ease-out), transform .35s var(--ease-soft);
}
.card:hover { border-color: var(--copper); }

/* =============================================================
   6. Navigation
   ============================================================= */
.nav {
  position: fixed; top: 0; inset-inline: 0; z-index: 200;
  height: var(--nav-h);
  background: rgba(247,244,238,0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .35s var(--ease-out), box-shadow .35s var(--ease-out);
}
@supports not (backdrop-filter: blur(10px)) {
  .nav { background: var(--ivory); }
}
.nav.is-scrolled { border-color: var(--line); box-shadow: 0 1px 0 rgba(0,0,0,0.02); }

.nav-inner {
  height: 100%;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem;
}
.nav-brand { display: flex; align-items: center; gap: .65rem; }
.nav-mark { width: 34px; height: 34px; object-fit: contain; flex-shrink: 0; }
.nav-brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.nav-brand-name {
  font-family: var(--display); font-weight: 700; font-size: 1.15rem;
  letter-spacing: 0.01em; color: var(--charcoal);
}
.nav-brand-desc {
  display: none;
  font-size: 0.62rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-mute); font-weight: 600;
}
@media (min-width: 640px) { .nav-brand-desc { display: block; } }

.nav-links {
  display: none;
  align-items: center; gap: 2rem;
}
@media (min-width: 960px) { .nav-links { display: flex; } }
.nav-link {
  position: relative;
  font-size: 0.92rem; font-weight: 600;
  color: var(--ink-soft);
  padding-block: .3rem;
}
.nav-link::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 1px; background: var(--copper);
  transform: scaleX(0); transform-origin: right;
  transition: transform .4s var(--ease-out);
}
.nav-link:hover { color: var(--charcoal); }
.nav-link:hover::after { transform: scaleX(1); transform-origin: left; }

.nav-actions { display: flex; align-items: center; gap: .75rem; }
.nav-cta { display: none; }
@media (min-width: 720px) { .nav-cta { display: inline-flex; } }
.nav-cta .btn { padding: .7rem 1.25rem; font-size: 0.82rem; }

.nav-mobile-details { position: relative; }
@media (min-width: 960px) { .nav-mobile-details { display: none; } }
.nav-mobile-details > summary {
  display: grid; place-items: center;
  width: 42px; height: 42px;
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  list-style: none; cursor: pointer;
}
.nav-mobile-details > summary::-webkit-details-marker { display: none; }
.nav-toggle-bars { position: relative; width: 18px; height: 12px; }
.nav-toggle-bars span {
  position: absolute; left: 0; right: 0; height: 1.5px; background: var(--charcoal);
  transition: transform .3s var(--ease-out), opacity .2s;
}
.nav-toggle-bars span:nth-child(1) { top: 0; }
.nav-toggle-bars span:nth-child(2) { top: 50%; margin-top: -0.75px; }
.nav-toggle-bars span:nth-child(3) { bottom: 0; }
.nav-mobile-details[open] .nav-toggle-bars span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.nav-mobile-details[open] .nav-toggle-bars span:nth-child(2) { opacity: 0; }
.nav-mobile-details[open] .nav-toggle-bars span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

.nav-mobile-panel {
  position: fixed; top: var(--nav-h); left: 0; right: 0;
  height: calc(100vh - var(--nav-h)); height: calc(100dvh - var(--nav-h));
  z-index: 190;
  background: var(--ivory);
  padding: 1.5rem 1.25rem 2rem;
  display: flex; flex-direction: column; gap: 0;
  overflow-y: auto;
}
.nav-mobile-panel a {
  padding: 1.05rem 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--display); font-size: 1.15rem; font-weight: 600;
}
.nav-mobile-panel .btn { margin-top: 1.5rem; align-self: flex-start; }

/* =============================================================
   7. Hero
   ============================================================= */
.hero {
  padding-top: calc(var(--nav-h) + 2.5rem);
  padding-bottom: 3rem;
  background: var(--bg);
}
.hero-grid {
  display: grid;
  gap: 2.75rem;
  align-items: center;
}
@media (min-width: 960px) {
  .hero-grid { grid-template-columns: 1.05fr 0.95fr; gap: 3.5rem; }
}

.hero-copy { max-width: 44ch; }
.hero-kicker { margin-bottom: 1.4rem; }
.hero-title { margin-bottom: 1.25rem; }
.hero-title em {
  font-style: normal; color: var(--copper);
}
.hero-sub { margin-bottom: 2rem; }
.hero-actions { display: flex; align-items: center; gap: 1.75rem; flex-wrap: wrap; margin-bottom: 2.25rem; }

.hero-tagchips { display: flex; flex-wrap: wrap; gap: .6rem; }

.hero-figure {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 4 / 5;
  background: var(--charcoal);
}
@media (min-width: 960px) { .hero-figure { aspect-ratio: 3 / 4; } }
.hero-figure > img {
  width: 100%; height: 100%; object-fit: cover;
  filter: saturate(0.92) contrast(1.05);
}
.hero-figure-frame {
  position: absolute; inset: 14px;
  border: 1px solid rgba(247,244,238,0.55);
  pointer-events: none;
}
.hero-figure-frame::before, .hero-figure-frame::after {
  content: ""; position: absolute; width: 14px; height: 14px;
  border-color: var(--copper); border-style: solid; border-width: 0;
}
.hero-figure-frame::before { top: -1px; left: -1px; border-top-width: 2px; border-left-width: 2px; }
.hero-figure-frame::after { bottom: -1px; right: -1px; border-bottom-width: 2px; border-right-width: 2px; }

.hero-figure-caption {
  position: absolute; left: 14px; bottom: 14px; right: 14px;
  display: flex; justify-content: space-between; align-items: flex-end;
  gap: 1rem;
}
.hero-figure-label {
  font-family: var(--display); font-size: 0.66rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ivory); background: rgba(23,25,26,0.65);
  padding: .45rem .65rem; border-radius: 2px;
  backdrop-filter: blur(4px);
}
.hero-figure-mark {
  width: 46px; opacity: 0.92;
}

/* =============================================================
   8. Problem intro
   ============================================================= */
.problem { background: var(--bg-2); position: relative; overflow: clip; isolation: isolate; }
.problem::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: url("assets/img/hero-concrete-macro.webp") center / cover no-repeat;
  opacity: 0.08;
}
.problem-grid {
  display: grid; gap: 3rem;
}
@media (min-width: 960px) { .problem-grid { grid-template-columns: 0.85fr 1.15fr; gap: 4rem; align-items: start; } }

.problem-list {
  display: grid; gap: 0;
  border-top: 1px solid var(--line);
}
.problem-item {
  display: flex; align-items: baseline; gap: 1rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--display); font-weight: 600; font-size: 1.02rem;
  transition: padding-left .3s var(--ease-out), color .3s var(--ease-out);
}
.problem-item:hover { padding-left: .6rem; color: var(--copper); }
.problem-item .num { font-size: 0.78rem; color: var(--ink-mute); font-weight: 500; }

/* =============================================================
   9. Specialty matrix
   ============================================================= */
.matrix-group { margin-bottom: 3.5rem; }
.matrix-group:last-child { margin-bottom: 0; }
.matrix-head {
  display: flex; align-items: baseline; gap: 1rem;
  padding-bottom: 1rem; margin-bottom: .25rem;
  border-bottom: 1px solid var(--charcoal);
}
.matrix-head h3 { font-size: clamp(1.2rem, 2vw, 1.55rem); }

.matrix-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: .35rem;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--line);
  transition: background-color .3s var(--ease-out), border-color .3s var(--ease-out);
}
@media (min-width: 720px) {
  .matrix-row {
    grid-template-columns: 1fr 1.6fr auto;
    align-items: center;
    gap: 1.25rem;
  }
}
.matrix-row:hover {
  background: rgba(184,97,44,0.045);
  border-color: var(--copper);
}
.matrix-item {
  font-family: var(--display); font-weight: 600; font-size: 1.02rem;
}
.matrix-detail {
  font-size: 0.92rem; color: var(--ink-soft);
}
.matrix-tag {
  font-family: var(--display); font-size: 0.66rem; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--copper);
  white-space: nowrap;
}

/* =============================================================
   10. Método NOVAK — sectional diagram
   ============================================================= */
.method { background: var(--charcoal); color: var(--ivory); position: relative; overflow: clip; isolation: isolate; }
.method::before {
  content: ""; position: absolute; inset: 0; z-index: -2;
  background: url("assets/img/concrete-roof-slab.webp") center / cover no-repeat;
  opacity: 0.22; filter: grayscale(0.3);
}
.method::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, var(--charcoal) 0%, rgba(37,40,42,0.88) 45%, var(--charcoal) 100%);
}
.method .kicker { color: var(--sand); }
.method .kicker::before { background: var(--sand); }
.method .h-section { color: var(--white); }
.method .lede { color: rgba(247,244,238,0.72); }

.method-diagram {
  margin-top: 3.5rem;
  position: relative;
}
.method-rail {
  position: relative;
  padding-left: 2.25rem;
}
.method-rail::before {
  content: ""; position: absolute; left: 5px; top: 6px; bottom: 6px;
  width: 1px; background: rgba(247,244,238,0.22);
}
.method-layer {
  position: relative;
  padding: 1.75rem 0;
  border-bottom: 1px solid rgba(247,244,238,0.14);
  display: grid; gap: .6rem;
}
.method-layer:last-child { border-bottom: 0; }
.method-layer::before {
  content: ""; position: absolute; left: -2.25rem; top: 2.15rem;
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--graphite); border: 2px solid var(--copper);
}
@media (min-width: 720px) {
  .method-layer { grid-template-columns: 100px 1fr 1.4fr; align-items: baseline; gap: 1.75rem; }
}
.method-step {
  font-family: var(--display); font-size: 0.78rem; letter-spacing: 0.12em;
  color: var(--copper); font-weight: 700;
}
.method-name { font-size: clamp(1.25rem, 2.2vw, 1.65rem); color: var(--white); }
.method-desc { font-size: 0.95rem; color: rgba(247,244,238,0.68); max-width: 46ch; }

/* =============================================================
   11. Surface selector
   ============================================================= */
.selector-tabs {
  display: flex; flex-wrap: wrap; gap: .6rem;
  margin-top: 2.5rem; margin-bottom: 2rem;
}
.selector-tab {
  padding: .75rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-family: var(--display); font-size: 0.85rem; font-weight: 600;
  color: var(--ink-soft);
  transition: all .3s var(--ease-out);
}
.selector-tab:hover { border-color: var(--charcoal); color: var(--charcoal); }
.selector-tab[aria-selected="true"] {
  background: var(--charcoal); border-color: var(--charcoal); color: var(--ivory);
}

/* Default (no-JS): panels stacked and all visible, content-complete */
.selector-panels {
  border-top: 1px solid var(--line);
}
.selector-panel {
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--line);
}
.selector-panel h3 { font-size: 1.15rem; margin-bottom: .6rem; }
.selector-note { font-size: 1rem; color: var(--ink-soft); max-width: 44ch; margin-bottom: 1rem; }
.selector-solutions { display: grid; gap: .7rem; }
.selector-solutions li {
  display: flex; gap: .75rem; align-items: flex-start;
  font-size: 0.95rem;
}
.selector-solutions li::before {
  content: ""; width: 6px; height: 6px; margin-top: .5rem; flex-shrink: 0;
  background: var(--copper);
}
.selector-disclaimer {
  font-size: 0.8rem; color: var(--ink-mute);
  padding-top: 1.5rem;
  max-width: 60ch;
}

/* Enhanced (JS): boxed single-panel tab view */
.selector.is-enhanced .selector-panels {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--bg-2);
  padding: 2rem;
}
@media (min-width: 640px) { .selector.is-enhanced .selector-panels { padding: 2.75rem; } }
.selector.is-enhanced .selector-panel {
  display: none;
  padding: 0;
  border-bottom: 0;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 1.75rem 2.5rem;
}
.selector.is-enhanced .selector-panel[data-active="true"] { display: grid; }
.selector.is-enhanced .selector-panel h3 { display: none; }
.selector.is-enhanced .selector-disclaimer {
  padding-top: 1.25rem; margin-top: 1.75rem; border-top: 1px solid var(--line);
}

/* =============================================================
   12. Before / after
   ============================================================= */
.ba-grid { display: grid; gap: 2.5rem; margin-top: 3rem; }
@media (min-width: 860px) { .ba-grid { grid-template-columns: repeat(3, 1fr); gap: 1.75rem; } }

.ba-slider {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--charcoal);
  touch-action: pan-y;
}
.ba-slider img {
  position: absolute; inset: 0;
  width: 100%; height: 100%; object-fit: cover;
  user-select: none; -webkit-user-drag: none;
}
.ba-after { z-index: 1; }
.ba-before { z-index: 2; clip-path: inset(0 50% 0 0); }
.ba-divider {
  position: absolute; top: 0; bottom: 0; left: 50%; z-index: 3;
  width: 2px; background: var(--copper);
  transform: translateX(-1px);
  pointer-events: none;
}
.ba-handle {
  position: absolute; top: 50%; left: 50%; z-index: 4;
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--copper); color: var(--white);
  display: grid; place-items: center;
  transform: translate(-50%, -50%);
  pointer-events: none;
  box-shadow: 0 6px 18px rgba(0,0,0,0.25);
}
.ba-range {
  position: absolute; inset: 0; z-index: 5;
  width: 100%; height: 100%;
  opacity: 0; cursor: ew-resize;
  -webkit-appearance: none; appearance: none;
}
.ba-labels {
  position: absolute; left: 12px; right: 12px; bottom: 12px; z-index: 4;
  display: flex; justify-content: space-between; gap: .5rem;
  pointer-events: none;
}
.ba-label {
  font-family: var(--display); font-size: 0.62rem; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--ivory); background: rgba(23,25,26,0.68);
  padding: .4rem .55rem; border-radius: 2px;
}
.ba-caption {
  margin-top: 0.9rem; font-size: 0.82rem; color: var(--ink-mute);
}

/* =============================================================
   13. Residential feature
   ============================================================= */
.residential-grid {
  display: grid; gap: 2.5rem;
}
@media (min-width: 960px) { .residential-grid { grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; } }
.residential-media { position: relative; display: grid; gap: 1rem; }
.residential-figure-main {
  border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--line);
  aspect-ratio: 4/3;
}
.residential-figure-main img { width: 100%; height: 100%; object-fit: cover; }
.residential-figure-inset {
  border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--line);
  aspect-ratio: 16/10; max-width: 62%; margin-left: auto;
  margin-top: -3rem; position: relative; z-index: 2;
  box-shadow: 0 20px 45px -22px rgba(23,25,26,0.35);
}
.residential-figure-inset img { width: 100%; height: 100%; object-fit: cover; }

.residential-list { margin-top: 1.75rem; display: grid; gap: .5rem 1.5rem; }
@media (min-width: 540px) { .residential-list { grid-template-columns: 1fr 1fr; } }
.residential-list li {
  font-size: 0.92rem; padding: .55rem 0; border-bottom: 1px solid var(--line);
  display: flex; align-items: center; gap: .6rem;
}
.residential-list li::before { content: ""; width: 5px; height: 5px; background: var(--copper); flex-shrink: 0; }

/* =============================================================
   14. Technical confidence
   ============================================================= */
.confidence { background: var(--graphite); color: var(--ivory); }
.confidence .kicker { color: var(--sand); }
.confidence .kicker::before { background: var(--sand); }
.confidence .h-section { color: var(--white); }
.confidence .lede { color: rgba(247,244,238,0.68); }

.confidence-grid { display: grid; gap: 3rem; margin-top: 3rem; }
@media (min-width: 960px) { .confidence-grid { grid-template-columns: 1fr 1fr; gap: 4rem; } }

.confidence-list { display: grid; gap: 0; border-top: 1px solid var(--line-dark); }
.confidence-list li {
  display: flex; align-items: baseline; gap: 1rem;
  padding: 1.1rem 0; border-bottom: 1px solid var(--line-dark);
  font-size: 0.98rem;
}
.confidence-list .num {
  font-family: var(--display); font-size: 0.78rem; color: var(--copper); font-weight: 700;
}

.confidence-media { display: grid; grid-template-columns: 1.3fr 1fr; gap: .9rem; }
.confidence-media figure {
  border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--line-dark);
}
.confidence-media figure:first-child { grid-row: span 2; aspect-ratio: 3/4; }
.confidence-media figure:not(:first-child) { aspect-ratio: 4/3; }
.confidence-media img { width: 100%; height: 100%; object-fit: cover; }

/* =============================================================
   15. Contact
   ============================================================= */
.contact { background: var(--ivory); }
.contact-grid { display: grid; gap: 3rem; }
@media (min-width: 960px) { .contact-grid { grid-template-columns: 0.85fr 1.15fr; gap: 4.5rem; } }

.contact-info-list { margin-top: 2rem; display: grid; gap: 1.4rem; }
.contact-info-item { display: grid; gap: .25rem; }
.contact-info-label {
  font-family: var(--display); font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-mute); font-weight: 600;
}
.contact-info-value { font-size: 1.05rem; font-weight: 600; }
.contact-info-value a:hover { color: var(--copper); }

.contact-form {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
  padding: 1.75rem;
  position: relative;
  transition: opacity .5s var(--ease-out), transform .5s var(--ease-soft);
}
@media (min-width: 640px) { .contact-form { padding: 2.5rem; } }
.contact-form.is-sent { opacity: 0; transform: translateY(-8px); pointer-events: none; position: absolute; inset: 0; }

.form-row { display: grid; gap: 1.1rem; margin-bottom: 1.1rem; }
@media (min-width: 640px) { .form-row.cols-2 { grid-template-columns: 1fr 1fr; } }

.field { display: grid; gap: .4rem; }
.field label {
  font-family: var(--display); font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--ink-soft); font-weight: 600;
}
.field input, .field select, .field textarea {
  padding: .8rem .9rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--white);
  font-size: 0.95rem;
  transition: border-color .25s var(--ease-out);
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--copper); }
.field textarea { resize: vertical; min-height: 110px; }
.field-file {
  display: flex; align-items: center; gap: .75rem;
  border: 1px dashed var(--line);
  border-radius: var(--radius-sm);
  padding: .8rem .9rem;
  font-size: 0.85rem; color: var(--ink-mute);
  cursor: pointer;
}
.field-file:hover { border-color: var(--copper); color: var(--ink-soft); }
.field-file input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.field-file-name { font-weight: 600; color: var(--charcoal); }

.form-submit-row { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem; margin-top: 1.5rem; }
.form-note { font-size: 0.78rem; color: var(--ink-mute); max-width: 32ch; }

.contact-success {
  position: absolute; inset: 0; display: grid; place-items: center; text-align: center;
  padding: 2rem; opacity: 0; pointer-events: none;
  transition: opacity .6s var(--ease-out) .1s;
}
.contact-success.is-visible { opacity: 1; pointer-events: auto; }
.contact-success h3 { font-size: 1.4rem; margin-bottom: .6rem; }
.contact-success p { color: var(--ink-soft); max-width: 36ch; }

.cta-form-spinner {
  display: none; width: 16px; height: 16px; border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.4); border-top-color: var(--white);
  animation: spin .8s linear infinite;
}
.is-sending .cta-form-spinner { display: inline-block; }
.is-sending .cta-form-label { opacity: 0.001; width: 0; overflow: hidden; }
@keyframes spin { to { transform: rotate(360deg); } }

/* =============================================================
   16. Floating WhatsApp
   ============================================================= */
.whatsapp-float {
  position: fixed; right: 1.25rem; bottom: 1.25rem; z-index: 300;
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--charcoal);
  border: 2px solid var(--copper);
  display: grid; place-items: center;
  box-shadow: 0 12px 28px -10px rgba(23,25,26,0.5);
  transition: transform .35s var(--ease-soft), box-shadow .35s var(--ease-soft);
}
.whatsapp-float:hover { transform: translateY(-3px) scale(1.04); box-shadow: 0 18px 34px -10px rgba(23,25,26,0.55); }
.whatsapp-float svg { width: 26px; height: 26px; fill: var(--ivory); }

/* =============================================================
   17. Footer
   ============================================================= */
.footer { background: var(--graphite); color: rgba(247,244,238,0.72); }
.footer-inner { padding-block: 3rem; }
.footer-top {
  display: grid; gap: 2rem;
  padding-bottom: 2rem; margin-bottom: 2rem;
  border-bottom: 1px solid var(--line-dark);
}
@media (min-width: 720px) { .footer-top { grid-template-columns: 1.2fr 1fr 1fr; } }
.footer-brand { display: flex; align-items: center; gap: .65rem; }
.footer-mark { width: 30px; height: 30px; object-fit: contain; }
.footer-brand-name { font-family: var(--display); font-weight: 700; font-size: 1.05rem; color: var(--white); }
.footer-principal { font-size: 0.85rem; margin-top: .35rem; color: rgba(247,244,238,0.6); }

.footer-col-title {
  font-family: var(--display); font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: rgba(247,244,238,0.5); margin-bottom: .75rem; font-weight: 600;
}
.footer-col a, .footer-col p { display: block; font-size: 0.9rem; margin-bottom: .4rem; }
.footer-col a:hover { color: var(--sand); }

.footer-bottom {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 1rem; font-size: 0.78rem; color: rgba(247,244,238,0.45);
}
.footer-bottom a:hover { color: var(--sand); }
.footer-legal { display: flex; flex-wrap: wrap; gap: 1.25rem; }

/* =============================================================
   18. Reveal on scroll
   ============================================================= */
[data-reveal] {
  opacity: 0; transform: translateY(28px);
  transition: opacity .8s var(--ease-soft), transform .8s var(--ease-soft);
}
[data-reveal].is-revealed { opacity: 1; transform: none; }

/* =============================================================
   19. Reduced motion — only intrusive effects gated
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  .cta-form-spinner { animation: none; }
}