/* ============================================================
   HOME · Milano Engenharia
   Industrial-premium · neutros profundos · âmbar contido
   ============================================================ */

* { box-sizing: border-box; }
html, body { margin: 0; }
html { scroll-behavior: smooth; }
body.site {
  font-family: var(--font-body);
  color: var(--text-primary);
  background: var(--bg-canvas);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  /* Always-on subtle gradient for logo legibility over photo */
  background: linear-gradient(to bottom, rgba(6,11,22,0.55) 0%, rgba(6,11,22,0.25) 60%, rgba(6,11,22,0) 100%);
  transition: top var(--dur-base) var(--ease-out),
              padding var(--dur-base) var(--ease-out),
              background var(--dur-base) var(--ease-out);
}

/* Floating pill state on scroll */
.site-header.scrolled {
  top: 16px;
  background: transparent;
  pointer-events: none; /* let .header-inner own the hits */
}
.site-header.scrolled .header-topbar { display: none; }
.site-header.scrolled .header-inner {
  pointer-events: auto;
  max-width: 1200px;
  margin: 0 auto;
  padding: 10px 16px 10px 24px;
  background: rgba(10, 22, 40, 0.48);
  backdrop-filter: saturate(180%) blur(24px);
  -webkit-backdrop-filter: saturate(180%) blur(24px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 2px;
  box-shadow: 0 10px 40px rgba(6, 11, 22, 0.35);
}
.site-header.scrolled .header-logo { height: 36px; }
@media (max-width: 900px) {
  .site-header.scrolled { top: 8px; }
}

/* Top utility bar */
.header-topbar {
  border-bottom: none;
  background: rgba(6,11,22,0.35);
}
.topbar-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 8px var(--container-pad);
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-300);
}
.topbar-item {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  white-space: nowrap;
}
.topbar-item svg { color: var(--signal-500); }
.topbar-link { text-decoration: none; transition: color var(--dur-fast); }
.topbar-link:hover { color: var(--ink-0); }
.topbar-sep {
  width: 3px; height: 3px;
  background: var(--ink-500);
  flex-shrink: 0;
}
.topbar-item:nth-child(1) { margin-right: auto; }
@media (max-width: 900px) {
  .header-topbar { display: none; }
}

.header-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 16px var(--container-pad);
  display: flex;
  align-items: center;
  gap: var(--sp-8);
  position: relative;
}
.header-brand {
  display: flex; align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}
.header-logo {
  height: 44px; width: auto;
  display: block;
}
/* Dark-bg header: always use light logo */
.dark-logo { display: none; }

.header-nav {
  display: flex;
  align-items: center;
  gap: var(--sp-6);
  margin-left: auto;
}
.nav-link {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-0);
  text-decoration: none;
  letter-spacing: 0.01em;
  padding: 8px 2px;
  position: relative;
  transition: color var(--dur-fast);
  text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--signal-500);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur-base) var(--ease-out);
}
.nav-link:hover { color: var(--ink-0); }
.nav-link:hover::after { transform: scaleX(1); }
.nav-link.active { color: var(--ink-0); }
.nav-link.active::after { transform: scaleX(1); }

.header-cta {
  margin-left: var(--sp-2);
}

.header-burger {
  display: none;
  background: transparent;
  border: 1px solid var(--ink-700);
  width: 44px; height: 44px;
  padding: 0;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  margin-left: auto;
}
.header-burger span {
  width: 20px; height: 1.5px;
  background: var(--ink-0);
  transition: transform var(--dur-base) var(--ease-out),
              opacity var(--dur-fast);
}
.header-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.header-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.header-burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-drawer {
  position: fixed;
  inset: 76px 0 0 0;
  background: var(--ink-900);
  transform: translateY(-100%);
  transition: transform var(--dur-slow) var(--ease-out);
  z-index: 90;
  overflow-y: auto;
  pointer-events: none;
  visibility: hidden;
}
.mobile-drawer.open {
  transform: translateY(0);
  pointer-events: auto;
  visibility: visible;
}
.drawer-nav {
  display: flex;
  flex-direction: column;
  padding: var(--sp-8) var(--container-pad);
  gap: 0;
}
.drawer-link {
  display: block;
  padding: var(--sp-5) 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 28px;
  color: var(--ink-0);
  text-decoration: none;
  border-bottom: 1px solid var(--ink-800);
  letter-spacing: -0.01em;
}
.drawer-cta { margin-top: var(--sp-6); align-self: flex-start; }

/* ============================================================
   HERO · Ken Burns · content bottom-left, clean center
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  color: var(--ink-0);
  overflow: hidden;
  background: var(--ink-950);
  isolation: isolate;
}
.hero-media {
  position: absolute; inset: 0;
  overflow: hidden;
  z-index: 0;
  background: var(--ink-950);
}
.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: contrast(1.05) saturate(0.95);
  pointer-events: none;
}

/* Slideshow do hero (alternativa reversível ao vídeo): 3 fotos em crossfade + Ken Burns.
   Ativado via setting site.hero_slideshow ou ?hero=slideshow. CSS puro, sem JS. */
.hero-slides { z-index: 0; }
.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: contrast(1.05) saturate(0.95);
  opacity: 0;
  will-change: opacity, transform;
  animation: heroSlideFade 18s linear infinite;
}
@keyframes heroSlideFade {
  0%   { opacity: 0; transform: scale(1.04); }
  3%   { opacity: 1; }
  30%  { opacity: 1; }
  36%  { opacity: 0; }
  100% { opacity: 0; transform: scale(1.12); }
}
@media (prefers-reduced-motion: reduce) {
  .hero-slide { animation: none; opacity: 1; }
  .hero-slide:not(:first-child) { display: none; }
}

/* Cinematic overlay: subtle dark gradient at TOP (header legibility) +
   stronger bottom-left vignette for content legibility, CENTER stays clean.
   Bottom merges to 100% opacity to blend into next (navy) section. */
.hero-overlay {
  position: absolute; inset: 0;
  z-index: 1;
  background:
    /* Bottom darkening for text contrast — taller, denser */
    linear-gradient(to bottom, rgba(6,11,22,0) 18%, rgba(10,22,40,0.4) 42%, rgba(10,22,40,0.78) 70%, rgba(10,22,40,0.95) 88%, rgba(10,22,40,1) 100%),
    /* Light top darkening for header */
    linear-gradient(to bottom, rgba(6,11,22,0.45) 0%, rgba(6,11,22,0.15) 18%, rgba(6,11,22,0) 32%);
}
.hero-grid-overlay {
  position: absolute; inset: 0;
  z-index: 2;
  background-image:
    linear-gradient(var(--ink-700) 1px, transparent 1px),
    linear-gradient(90deg, var(--ink-700) 1px, transparent 1px);
  background-size: 80px 80px;
  opacity: 0.06;
  mask-image: radial-gradient(ellipse at 25% 85%, black 0%, transparent 55%);
  -webkit-mask-image: radial-gradient(ellipse at 25% 85%, black 0%, transparent 55%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 3;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 140px var(--container-pad) 64px;
}
.hero-text-block {
  width: 100%;
  max-width: 1240px;
}
.hero-headline-row {
  display: grid;
  grid-template-columns: 1.55fr 1fr;
  gap: var(--sp-10);
  align-items: end;
  margin-top: 16px;
}
.hero-headline-col { min-width: 0; }
.hero-actions-col {
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--sp-8);
  padding-bottom: 8px;
}
@media (max-width: 960px) {
  .hero-headline-row {
    grid-template-columns: 1fr;
    gap: var(--sp-7);
    align-items: start;
  }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  padding: 8px 14px;
  border: 1px solid var(--ink-600);
  background: rgba(10, 22, 40, 0.55);
  backdrop-filter: blur(8px);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-100);
  margin-bottom: 0;
}
.hero-badge .dot {
  width: 7px; height: 7px;
  background: var(--signal-500);
  box-shadow: 0 0 0 3px rgba(216,149,20,0.2);
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(40px, 4.8vw, 68px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  margin: 0 0 var(--sp-5);
  text-wrap: balance;
  text-transform: none; /* override DS components.css */
  white-space: normal;
}

.hero-subtitle {
  font-family: var(--font-body);
  font-size: clamp(16px, 1.2vw, 18px);
  font-weight: 400;
  line-height: 1.5;
  color: var(--ink-100);
  margin: 0 0 var(--sp-3);
  max-width: 48ch;
  text-wrap: pretty;
}
.hero-desc {
  font-size: 14px;
  color: var(--ink-300);
  line-height: 1.6;
  max-width: 52ch;
  margin: 0 0 var(--sp-7);
  text-wrap: pretty;
}

.hero-ctas {
  display: flex;
  gap: var(--sp-3);
  flex-wrap: wrap;
  margin: 0;
}

.hero-tags {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-200);
  max-width: 560px;
}
.hero-tags .sep {
  width: 4px; height: 4px;
  background: var(--ink-500);
  flex-shrink: 0;
}

.hero-scroll-hint {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: var(--container-max);
  padding: 0 var(--container-pad);
  bottom: 32px;
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--sp-2);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-300);
  pointer-events: none;
}
.hero-scroll-hint .line {
  width: 1px; height: 48px;
  background: linear-gradient(to bottom, var(--ink-300), transparent);
  animation: scroll-line 2.4s ease-in-out infinite;
  margin-left: 6px;
}
@keyframes scroll-line {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ============================================================
   SECTION HEADERS (shared)
   ============================================================ */
.eyebrow, .cta-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: var(--sp-5);
}
.eyebrow .dot, .cta-eyebrow .dot {
  width: 7px; height: 7px;
  background: var(--signal-500);
  flex-shrink: 0;
}

.section-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-6);
  margin-bottom: var(--sp-16);
  align-items: end;
}
@media (min-width: 900px) {
  .section-head {
    grid-template-columns: 1.4fr 1fr;
    gap: var(--sp-20);
  }
}

.section-h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(36px, 4.5vw, 64px);
  line-height: 1;
  letter-spacing: -0.02em;
  margin: 0;
  text-wrap: balance;
  color: var(--text-primary);
}

.section-sub {
  font-size: 17px;
  line-height: 1.55;
  color: var(--text-secondary);
  margin: 0;
  max-width: 44ch;
  text-wrap: pretty;
}

/* ============================================================
   2 · NUMBERS
   ============================================================ */
.numbers-section {
  background: var(--ink-900);
  color: var(--ink-0);
  padding: clamp(72px, 10vh, 120px) 0;
  position: relative;
  overflow: hidden;
}
.numbers-section::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--ink-800) 1px, transparent 1px),
    linear-gradient(90deg, var(--ink-800) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.35;
  mask-image: radial-gradient(ellipse at 50% 50%, black 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 50%, black 0%, transparent 75%);
}
.numbers-section .container { position: relative; }
.numbers-head { text-align: center; margin-bottom: var(--sp-16); }
.numbers-head .eyebrow { color: var(--ink-300); justify-content: center; }
.numbers-kicker {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(24px, 2.4vw, 32px);
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin: 0 auto;
  max-width: 24ch;
  color: var(--ink-0);
  text-wrap: balance;
}

.numbers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1px;
  background: var(--ink-700);
  border: 1px solid var(--ink-700);
}
.number-cell {
  background: var(--ink-900);
  padding: var(--sp-10) var(--sp-6);
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  align-items: center;
}
.number-cell .num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(56px, 6.5vw, 96px);
  line-height: 0.95;
  letter-spacing: -0.035em;
  color: var(--ink-0);
  display: inline-flex;
  align-items: flex-start;
}
.number-cell .num .plus {
  color: var(--signal-500);
  font-size: 0.5em;
  line-height: 1;
  padding-top: 0.35em;
  margin-right: 0.08em;
  font-weight: 600;
}
.number-cell .num .unit {
  font-size: 0.32em;
  letter-spacing: 0.05em;
  color: var(--ink-300);
  font-weight: 500;
  margin-left: 0.18em;
  padding-top: 1.6em;
  text-transform: uppercase;
}
.number-cell .num-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-300);
  line-height: 1.45;
}

.numbers-note {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  justify-content: center;
  margin: var(--sp-10) 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-400);
}
.numbers-note svg { color: var(--ink-500); }

/* ============================================================
   3 · PROJECTS
   ============================================================ */
.projects-section {
  background: var(--bg-canvas);
  padding: clamp(80px, 12vh, 140px) 0;
}

/* === Portfolio mosaic (DS card style; mosaic determines media aspect-ratio) === */
.projects-mosaic {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  grid-template-rows: 398fr 368fr;
  gap: 16px;
  aspect-ratio: 1176 / 783;
}
.mosaic-feature { grid-column: 1 / 2; grid-row: 1 / 3; }
.mosaic-top-a   { grid-column: 2 / 3; grid-row: 1 / 2; }
.mosaic-top-b   { grid-column: 3 / 4; grid-row: 1 / 2; }
.mosaic-wide    { grid-column: 2 / 4; grid-row: 2 / 3; }

.mosaic-card { height: 100%; width: 100%; max-width: none; min-height: 0; min-width: 0; }
.mosaic-card .project-media {
  aspect-ratio: auto;
  flex: 1 1 auto;
  min-height: 0;
}
.mosaic-card .project-body { flex: 0 0 auto; }

@media (max-width: 900px) {
  .projects-mosaic {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto auto;
    aspect-ratio: auto;
  }
  .mosaic-feature { grid-column: 1 / 3; grid-row: 1 / 2; }
  .mosaic-top-a   { grid-column: 1 / 2; grid-row: 2 / 3; }
  .mosaic-top-b   { grid-column: 2 / 3; grid-row: 2 / 3; }
  .mosaic-wide    { grid-column: 1 / 3; grid-row: 3 / 4; }
  .mosaic-card .project-media { aspect-ratio: 4 / 3; flex: none; }
  .mosaic-feature .project-media { aspect-ratio: 16 / 10; }
  .mosaic-wide    .project-media { aspect-ratio: 16 / 8; }
}
@media (max-width: 560px) {
  .projects-mosaic { grid-template-columns: 1fr; }
  .mosaic-feature, .mosaic-top-a, .mosaic-top-b, .mosaic-wide { grid-column: 1 / 2; }
  .mosaic-feature { grid-row: 1; } .mosaic-top-a { grid-row: 2; }
  .mosaic-top-b   { grid-row: 3; } .mosaic-wide  { grid-row: 4; }
  .mosaic-card .project-media { aspect-ratio: 16 / 10; }
}

/* Section head link (right-aligned instead of sub) */
.section-link {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--signal-500);
  text-decoration: none;
  align-self: end;
  transition: color var(--dur-fast);
}
.section-link > span {
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}
.section-link:hover { color: var(--signal-400); }

.projects-grid,
.projects-footer { display: none; }
@media (max-width: 960px) { .projects-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .projects-grid { grid-template-columns: 1fr; } }

.project-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  transition: border-color var(--dur-base), transform var(--dur-base);
}
.project-card:hover {
  border-color: var(--ink-700);
}
.project-media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--ink-100);
}
.project-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease-out);
  filter: saturate(0.9);
}
.project-card:hover .project-media img {
  transform: scale(1.06);
}
.project-hover {
  position: absolute;
  inset: 0;
  background: rgba(6, 11, 22, 0.55);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-3);
  opacity: 0;
  transition: opacity var(--dur-base) var(--ease-out);
  color: var(--ink-0);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}
.project-card:hover .project-hover { opacity: 1; }

.project-body {
  padding: var(--sp-5) var(--sp-5) var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}
.project-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--signal-600);
  margin-bottom: var(--sp-1);
}
.project-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 22px;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin: 0;
}
.project-city {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-tertiary);
  letter-spacing: 0.1em;
}

.projects-footer {
  display: flex;
  justify-content: center;
  margin-top: var(--sp-16);
}

/* ============================================================
   4 · SERVICES
   ============================================================ */
.services-section {
  background: var(--ink-100);
  padding: clamp(80px, 12vh, 140px) 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border-default);
  border: 1px solid var(--border-default);
}
@media (max-width: 760px) { .services-grid { grid-template-columns: 1fr; } }

.svc-card {
  background: var(--bg-surface);
  padding: var(--sp-12);
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  transition: background var(--dur-base), color var(--dur-base);
  position: relative;
}
.svc-card:hover {
  background: var(--ink-900);
  color: var(--ink-0);
}
.svc-mark {
  width: 48px; height: 48px;
  color: var(--text-primary);
  margin-bottom: var(--sp-4);
  transition: color var(--dur-base);
}
.svc-card:hover .svc-mark { color: var(--signal-500); }

.svc-num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}
.svc-card:hover .svc-num { color: var(--ink-300); }

.svc-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 32px;
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin: 0;
}
.svc-desc {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0;
  max-width: 52ch;
}
.svc-card:hover .svc-desc { color: var(--ink-300); }

.svc-link {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  margin-top: var(--sp-4);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--signal-600);
  transition: color var(--dur-base), gap var(--dur-base);
}
.svc-card:hover .svc-link {
  color: var(--signal-400);
  gap: var(--sp-3);
}

/* ============================================================
   5 · WHY MILANO
   ============================================================ */
.why-section {
  background: var(--bg-canvas);
  padding: clamp(80px, 12vh, 140px) 0;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-12);
  margin-top: var(--sp-4);
}
@media (max-width: 760px) { .why-grid { grid-template-columns: 1fr; gap: var(--sp-8); } }

.why-item {
  position: relative;
  padding-top: var(--sp-6);
  border-top: 1px solid var(--ink-300);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}
.why-index {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.22em;
  color: var(--text-tertiary);
  position: absolute;
  top: -1px;
  right: 0;
  padding-top: var(--sp-6);
}
.why-icon {
  color: var(--signal-600);
  display: inline-flex;
}
.why-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 24px;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0;
  text-wrap: balance;
}
.why-desc {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0;
  max-width: 42ch;
  text-wrap: pretty;
}

/* ============================================================
   6 · CLIENTS MARQUEE
   ============================================================ */
.clients-section {
  background: var(--ink-100);
  padding: clamp(64px, 9vh, 100px) 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  overflow: hidden;
}
.clients-head {
  text-align: center;
  margin-bottom: var(--sp-12);
}
.clients-head .eyebrow { justify-content: center; }
.clients-h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(24px, 2.4vw, 32px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--text-primary);
}
.clients-marquee {
  position: relative;
  width: 100%;
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
}
.clients-track {
  display: flex;
  gap: var(--sp-16);
  animation: client-scroll 50s linear infinite;
  width: max-content;
  align-items: center;
}
@keyframes client-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.client-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 0.08em;
  color: var(--ink-400);
  white-space: nowrap;
  padding: 0 var(--sp-6);
  border-left: 1px solid var(--ink-300);
  height: 48px;
  display: flex;
  align-items: center;
  transition: color var(--dur-base);
}
.client-logo:hover { color: var(--text-primary); }
.clients-track .client-logo:first-child { border-left: none; }

/* ============================================================
   7 · FINAL CTA
   ============================================================ */
.final-cta {
  background: var(--ink-950);
  color: var(--ink-0);
  padding: clamp(96px, 16vh, 180px) 0;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.final-cta-bg {
  position: absolute; inset: 0;
  background-image: url('../assets/images/cta-bg.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.2;
  z-index: 0;
  pointer-events: none;
}
.final-cta-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(6,11,22,0.24) 0%, rgba(6,11,22,0.65) 50%, var(--ink-950) 100%);
  z-index: 1;
  pointer-events: none;
}
.final-grid-overlay {
  position: absolute; inset: 0;
  z-index: 2;
  background-image:
    linear-gradient(var(--ink-800) 1px, transparent 1px),
    linear-gradient(90deg, var(--ink-800) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.25;
  mask-image: radial-gradient(ellipse at 50% 50%, black 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 50%, black 0%, transparent 70%);
  pointer-events: none;
}
.final-cta .container { position: relative; z-index: 3; }
.cta-inner {
  position: relative;
  max-width: 880px;
  margin: 0 auto;
  text-align: center;
}
.cta-eyebrow { color: var(--ink-300); justify-content: center; }
.cta-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(40px, 5.5vw, 80px);
  line-height: 1;
  letter-spacing: -0.025em;
  margin: 0 0 var(--sp-6);
  text-wrap: balance;
}
.cta-emph { color: var(--signal-500); }
.cta-desc {
  font-size: 18px;
  line-height: 1.55;
  color: var(--ink-200);
  margin: 0 auto var(--sp-10);
  max-width: 56ch;
  text-wrap: pretty;
}
.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
}
.cta-micro {
  margin: var(--sp-6) 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-400);
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--ink-950);
  color: var(--ink-200);
  padding: clamp(64px, 9vh, 96px) 0 0;
  border-top: 1px solid var(--ink-800);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: var(--sp-12);
  padding-bottom: var(--sp-16);
}
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--sp-10); }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; gap: var(--sp-10); }
}

.footer-logo {
  height: 96px; width: auto;
  margin-bottom: var(--sp-6);
  display: block;
}
.footer-desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-300);
  margin: 0 0 var(--sp-5);
  max-width: 36ch;
}
.footer-addr {
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.08em;
  color: var(--ink-400);
  text-transform: uppercase;
}

.footer-h4 {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-0);
  margin: 0 0 var(--sp-5);
  padding-bottom: var(--sp-4);
  border-bottom: 1px solid var(--ink-800);
}
.footer-list {
  list-style: none;
  padding: 0; margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}
.footer-list a {
  color: var(--ink-200);
  text-decoration: none;
  font-size: 14px;
  transition: color var(--dur-fast);
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
}
.footer-list a:hover { color: var(--signal-500); }
.footer-contact li {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}
.footer-contact svg { color: var(--ink-500); flex-shrink: 0; }

.footer-bottom {
  padding: var(--sp-5) 0;
  border-top: 1px solid var(--ink-800);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--sp-6);
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ink-400);
  text-transform: uppercase;
}
.footer-crea { color: var(--ink-300); }

/* ============================================================
   WHATSAPP FLOAT
   ============================================================ */
.wa-float {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 80;
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  background: #25d366;
  color: #fff;
  border-radius: 999px;
  box-shadow:
    0 8px 24px rgba(0, 0, 0, 0.25),
    0 2px 6px rgba(0, 0, 0, 0.15),
    0 0 0 3px rgba(255, 255, 255, 0.08);
  transition: transform var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base);
}
.wa-float::after {
  content: "";
  position: absolute;
  inset: -8px;
  border-radius: inherit;
  background: #25d366;
  opacity: 0.25;
  z-index: -1;
  animation: wa-pulse 2.4s ease-out infinite;
}
@keyframes wa-pulse {
  0%   { transform: scale(0.8); opacity: 0.5; }
  100% { transform: scale(1.4); opacity: 0; }
}
.wa-float:hover {
  transform: translateY(-2px) scale(1.03);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .header-nav, .header-cta { display: none; }
  .header-burger { display: flex; }
  .hero-content { padding-top: 110px; padding-bottom: 80px; }
  .hero-scroll-hint { display: none; }
  .hero-tags { font-size: 10px; gap: var(--sp-3); }
  .svc-card { padding: var(--sp-8); }
  .svc-title { font-size: 26px; }
  .header-logo { height: 36px; }
  .mobile-drawer { inset: 76px 0 0 0; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-kb { animation: none; }
  .clients-track { animation: none; }
  .wa-float::after { animation: none; }
  .hero-scroll-hint .line { animation: none; }
}