/* ============================================================
   CREA Y FORMA — Ingeniería civil
   Design tokens
   ============================================================ */
@font-face {
  font-family: "SA Triumph";
  src: url("assets/fonts/SATriumphRegular.ttf") format("truetype");
  font-weight: 400 900;
  font-display: swap;
}
@font-face {
  font-family: "SA Triumph Outline";
  src: url("assets/fonts/SATriumphOutline.ttf") format("truetype");
  font-weight: 400;
  font-display: swap;
}

:root {
  --ink:        #0D0E0D;   /* near-black, concrete shadow */
  --ink-soft:   #1B1C1A;   /* panel dark */
  --paper:      #F5F4EF;   /* warm off-white */
  --paper-dim:  #E7E5DC;
  --concrete:   #8E8C82;   /* muted grey for text on light */
  --concrete-d: #BFBDB2;   /* muted grey for text on dark */
  --acid:       #DBFF00;   /* brand lime-yellow accent */
  --acid-dim:   #B7D400;

  --font-display: "SA Triumph", "Arial Narrow", Helvetica, sans-serif;
  --font-body: "Inter", "Helvetica Neue", Arial, sans-serif;

  --container: 1280px;
  --gutter: clamp(1.25rem, 4vw, 4rem);

  --ease: cubic-bezier(.16,.84,.32,1);
}

/* ============================================================
   Reset & base
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body, h1, h2, h3, h4, p, figure, blockquote, ul, ol, fieldset, legend { margin: 0; padding: 0; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; border: none; background: none; cursor: pointer; color: inherit; }
fieldset { border: none; }

html, body { background: var(--ink); }

body {
  font-family: var(--font-body);
  color: var(--paper);
  background: var(--ink);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

/* Headings use display font */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  line-height: 1.05;
}
h2 { font-size: clamp(1.6rem, 3.4vw, 2.6rem); }
h3 { font-size: clamp(1.05rem, 1.6vw, 1.3rem); }

em {
  font-style: normal;
  color: var(--acid);
}

/* reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  [data-parallax], [data-parallax-img] img { transform: none !important; }
}

/* Eyebrow label */
.eyebrow {
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--concrete);
  margin-bottom: 1rem;
  display: block;
}
.eyebrow--light { color: var(--concrete-d); }

/* Grain overlay */
.grain {
  position: fixed; inset: 0; z-index: 999; pointer-events: none;
  opacity: .035; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-display);
  font-size: .85rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  padding: 1rem 2rem;
  border: 1px solid currentColor;
  transition: background .35s var(--ease), color .35s var(--ease), border-color .35s var(--ease);
  white-space: nowrap;
}
.btn--primary {
  background: var(--acid);
  border-color: var(--acid);
  color: var(--ink);
}
.btn--primary:hover { background: transparent; color: var(--acid); }
.btn--ghost {
  background: transparent;
  border-color: rgba(245,244,239,.35);
  color: var(--paper);
}
.btn--ghost:hover { border-color: var(--paper); background: rgba(245,244,239,.06); }
.btn--block { width: 100%; justify-content: center; }

/* ============================================================
   Nav
   ============================================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.4rem var(--gutter);
  transition: background .4s var(--ease), padding .4s var(--ease), backdrop-filter .4s var(--ease);
}
.nav.is-scrolled {
  background: rgba(13,14,13,.78);
  backdrop-filter: blur(10px);
  padding-top: .9rem; padding-bottom: .9rem;
  border-bottom: 1px solid rgba(245,244,239,.08);
}
.nav.is-light {
  background: rgba(245,244,239,.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(13,14,13,.06);
}

.nav__logo { display: flex; align-items: center; }
.nav__logo-img { height: 30px; width: auto; }
.logo-dark { display: none; }
.nav.is-light .logo-light { display: none; }
.nav.is-light .logo-dark { display: block; }

.nav__links { display: flex; align-items: center; gap: 2.2rem; }
.nav__links a {
  font-family: var(--font-display);
  font-size: .8rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--paper);
  transition: color .25s;
  position: relative;
}
.nav.is-light .nav__links a { color: var(--ink); }
.nav__links a span { color: var(--acid-dim); margin-right: .4em; }
.nav__links a:hover { color: var(--acid); }
.nav__cta {
  border: 1px solid currentColor;
  padding: .65rem 1.3rem !important;
}
.nav__cta:hover { background: var(--acid); border-color: var(--acid); color: var(--ink) !important; }

.nav__burger {
  display: none;
  flex-direction: column; justify-content: center; gap: 5px;
  width: 32px; height: 32px;
}
.nav__burger span {
  display: block; height: 2px; width: 100%; background: var(--paper);
  transition: transform .3s var(--ease), opacity .3s var(--ease), background .3s;
}
.nav.is-light .nav__burger span { background: var(--ink); }
.nav__burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-mobile {
  position: fixed; inset: 0; z-index: 99;
  background: var(--ink);
  display: flex; flex-direction: column; justify-content: flex-start;
  gap: 2rem;
  padding: 6.5rem var(--gutter) 2.5rem;
  overflow-y: auto;
  transform: translateY(-100%);
  transition: transform .5s var(--ease);
}
.nav-mobile.is-open { transform: translateY(0); }
.nav-mobile nav { display: flex; flex-direction: column; gap: 1.1rem; }
.nav-mobile nav a {
  font-family: var(--font-display);
  font-size: 1.5rem;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.nav-mobile nav a span { color: var(--acid-dim); margin-right: .5rem; font-size: 1rem; }
.nav-mobile__footer { display: flex; flex-direction: column; gap: .5rem; color: var(--concrete-d); font-size: .9rem; }
.nav-mobile__footer a { text-decoration: underline; text-decoration-color: var(--acid-dim); }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr;
  align-items: stretch;
  overflow: hidden;
  isolation: isolate;
  background: var(--ink);
  padding-top: 5.5rem;
}

.hero__photo {
  position: absolute;
  inset: 0;
  left: 38%;
  clip-path: polygon(12% 0, 100% 0, 100% 100%, 0% 100%);
  z-index: 0;
  overflow: hidden;
  will-change: transform;
}
.hero__photo picture,
.hero__photo img {
  position: absolute; inset: -8% -8%;
  width: 116%; height: 116%;
  object-fit: cover;
  filter: grayscale(.2) contrast(1.05);
}
.hero__photo-scrim {
  position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(13,14,13,.85) 0%, rgba(13,14,13,.25) 28%, rgba(13,14,13,0) 55%);
}

/* Line-art overlay */
.hero .line-art {
  width: 70%; height: 80%;
  top: 4%; right: 0; left: auto; bottom: auto;
}

/* Lime F curve, bottom-right of photo */
.hero__f {
  width: 14vw; max-width: 180px; aspect-ratio: 1;
  bottom: 6%; right: 4%;
}

/* ---- Line-art overlay (arcs + frame, from brand references) ---- */
.line-art {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  z-index: 2;
  pointer-events: none;
  overflow: visible;
}
.line-art path, .line-art rect, .line-art circle {
  fill: none;
  stroke: rgba(245,244,239,.45);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}
.line-art--dark path, .line-art--dark rect, .line-art--dark circle {
  stroke: rgba(13,14,13,.35);
}

/* ---- F glyph watermark ---- */
.f-watermark {
  position: absolute;
  pointer-events: none;
  z-index: 2;
  opacity: .95;
  mix-blend-mode: normal;
}
.f-watermark svg { width: 100%; height: 100%; display: block; }
.f-watermark path { fill: none; stroke: none; }
.f-watermark--light path { fill: var(--paper); opacity: .92; }
.f-watermark--dark path { fill: var(--ink); opacity: .88; }
.f-watermark--acid path { fill: var(--acid); }

.hero__content {
  position: relative; z-index: 1;
  padding: 0 var(--gutter);
  max-width: 640px;
  display: flex; flex-direction: column;
  justify-content: center;
  min-height: calc(100vh - 5.5rem);
  padding-bottom: 4rem;
}
.hero__title {
  font-size: clamp(1.8rem, 3.6vw, 3.1rem);
  margin: .5rem 0 1.25rem;
}
.hero__title span { display: block; overflow: hidden; }
.hero__title em {
  font-style: normal;
  color: var(--acid);
}
.hero__lead {
  font-size: clamp(.95rem, 1.3vw, 1.1rem);
  color: var(--concrete-d);
  max-width: 42ch;
  margin-bottom: 2.2rem;
}
.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; }

.hero__scroll {
  position: absolute; bottom: 2.5rem; left: var(--gutter);
  display: flex; align-items: center; gap: .8rem;
  font-family: var(--font-display);
  font-size: .7rem; letter-spacing: .3em; text-transform: uppercase;
  color: var(--concrete-d);
  z-index: 1;
}
.hero__scroll-line {
  width: 50px; height: 1px;
  background: linear-gradient(90deg, var(--acid), transparent);
}

/* Reveal-on-scroll */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.hero__title span.reveal { transition-delay: calc(var(--i, 0) * .12s); }

/* Section headings always visible — avoid layout-detection edge cases */
h2.reveal, .eyebrow.reveal {
  opacity: 1;
  transform: none;
  transition: none;
}

/* ============================================================
   Marquee strip
   ============================================================ */
.marquee {
  background: var(--acid);
  color: var(--ink);
  overflow: hidden;
  white-space: nowrap;
  padding: .85rem 0;
}
.marquee__track {
  display: inline-flex;
  gap: 1.5rem;
  font-family: var(--font-display);
  font-size: .85rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  animation: marquee 38s linear infinite;
}
.marquee__track span:nth-child(odd) { opacity: .55; }
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ============================================================
   About / Nosotros
   ============================================================ */
.about {
  background: var(--paper);
  color: var(--ink);
  padding: clamp(4rem, 10vw, 8rem) 0;
}
.about__grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}
.about__media {
  position: relative;
  overflow: hidden;
  border-radius: 2px;
  aspect-ratio: 3/4;
  will-change: transform;
}
.about__media img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.18); }
.about__media .line-art { width: 80%; height: 50%; top: 6%; left: 8%; }
.about__media .f-watermark { width: 30%; aspect-ratio: 0.62; bottom: 6%; right: 8%; }

.about h2 { margin-bottom: 1.5rem; }
.about .eyebrow { color: var(--concrete); }
.about__lead {
  font-size: clamp(1.1rem, 1.6vw, 1.35rem);
  font-weight: 500;
  margin-bottom: 1.25rem;
}
.about p { color: #45463F; max-width: 56ch; margin-bottom: 1.25rem; }
.about__list {
  display: flex; flex-direction: column; gap: .6rem;
  margin-top: 1.5rem;
  border-top: 1px solid rgba(13,14,13,.12);
  padding-top: 1.5rem;
}
.about__list li {
  position: relative; padding-left: 1.6rem;
  font-family: var(--font-display);
  font-size: .85rem; letter-spacing: .04em; text-transform: uppercase;
  color: var(--ink);
}
.about__list li::before {
  content: ""; position: absolute; left: 0; top: .45em;
  width: 10px; height: 10px; background: var(--acid);
}

/* ============================================================
   Services
   ============================================================ */
.services { background: var(--ink); padding: clamp(4rem, 10vw, 8rem) 0 0; }
.services .container h2 { max-width: 22ch; margin-bottom: 0; }
.services .eyebrow { margin-bottom: 1rem; }
.services > .container { padding-bottom: clamp(2.5rem, 6vw, 4rem); }

.services-overview {
  margin-top: clamp(2.5rem, 5vw, 4rem);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
}
.services-overview__item {
  border-top: 1px solid rgba(245,244,239,.12);
  padding-top: 1.5rem;
}
.services-overview__icon {
  width: 34px; height: 34px;
  margin-bottom: 1.5rem;
  fill: none;
  stroke: var(--acid);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.services-overview__item h3 {
  font-size: 1rem;
  margin-bottom: .6rem;
  max-width: 16ch;
}
.services-overview__item p {
  font-size: .9rem;
  color: var(--concrete-d);
  max-width: 30ch;
}

.services__list { display: flex; flex-direction: column; }
.service {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid rgba(245,244,239,.1);
}
.services__list .service:last-child { border-bottom: 1px solid rgba(245,244,239,.1); }
.service__media { position: relative; overflow: hidden; aspect-ratio: 16/10; border: 1px solid rgba(245,244,239,.06); }
.service__media .line-art { width: 55%; height: 70%; top: 8%; right: 6%; left: auto; }
.service__media .f-watermark { width: 16%; aspect-ratio: 0.62; bottom: 8%; left: 6%; }
.service__media img {
  width: 100%; height: 100%; object-fit: cover;
  filter: grayscale(.25) brightness(1.05) contrast(1.05);
  transform: scale(1.12);
  transition: transform 1.4s var(--ease), filter .6s;
}
.service:hover .service__media img { transform: scale(1.02); filter: grayscale(0) brightness(1.1); }

.service__body {
  padding: clamp(2rem, 5vw, 4rem);
  display: flex; flex-direction: column; justify-content: center;
}
.service__num {
  font-family: var(--font-display);
  font-size: .85rem; letter-spacing: .25em;
  color: var(--acid-dim);
  margin-bottom: 1rem; display: block;
}
.service__body h3 { margin-bottom: .9rem; max-width: 18ch; }
.service__body p { color: var(--concrete-d); max-width: 38ch; }

.service:nth-child(even) { direction: rtl; }
.service:nth-child(even) .service__body { direction: ltr; }

/* ============================================================
   Methodology
   ============================================================ */
.methodology {
  background: var(--ink);
  padding: clamp(4rem, 10vw, 8rem) 0;
  border-top: 1px solid rgba(245,244,239,.1);
}
.methodology__grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
}
.methodology__intro h2 { margin-bottom: 1.25rem; }
.methodology__lead { color: var(--concrete-d); max-width: 38ch; }

.methodology__steps {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}
.method-step {
  position: relative;
  background: var(--ink-soft);
  border: 1px solid rgba(245,244,239,.08);
  border-radius: 2px;
  padding: 1.75rem 1.5rem;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), background .35s, border-color .35s;
}
.method-step__num {
  font-family: var(--font-display);
  font-size: .85rem; letter-spacing: .25em;
  color: var(--acid-dim);
  display: block; margin-bottom: 1.4rem;
}
.method-step h3 { font-size: 1.02rem; margin-bottom: .6rem; }
.method-step p { font-size: .9rem; color: var(--concrete-d); }

.method-step--active {
  background: var(--acid);
  border-color: var(--acid);
  color: var(--ink);
  transform: translateY(-6px);
  box-shadow: 0 20px 45px -15px rgba(219,255,0,.35);
}
.method-step--active .method-step__num { color: var(--ink); opacity: .55; }
.method-step--active p { color: rgba(13,14,13,.7); }

.method-step:hover:not(.method-step--active) {
  border-color: rgba(219,255,0,.35);
  transform: translateY(-4px);
}

/* ============================================================
   Pillars (parallax band)
   ============================================================ */
.pillars {
  position: relative;
  padding: clamp(5rem, 14vw, 11rem) 0;
  overflow: hidden;
  isolation: isolate;
}
.pillars__bg {
  position: absolute; inset: -15% 0;
  z-index: -2; will-change: transform;
}
.pillars__bg img { width: 100%; height: 130%; object-fit: cover; filter: grayscale(.4) contrast(1.1); }
.pillars__scrim {
  position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, rgba(13,14,13,.94) 0%, rgba(13,14,13,.86) 50%, rgba(13,14,13,.96) 100%);
}
.pillars .line-art { width: 40%; height: 60%; top: 8%; right: 4%; left: auto; z-index: 1; }
.pillars h2 { max-width: 18ch; margin-bottom: 3.5rem; }
.pillars__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.5rem, 4vw, 2.5rem);
}
.pillar { border-top: 1px solid var(--acid); padding-top: 1.5rem; }
.pillar__num {
  font-family: var(--font-display);
  font-size: .8rem; letter-spacing: .25em;
  color: var(--acid-dim);
  display: block; margin-bottom: 1.2rem;
}
.pillar h3 { font-size: 1.1rem; margin-bottom: .8rem; }
.pillar p { color: var(--concrete-d); font-size: .95rem; }

/* ============================================================
   Projects gallery
   ============================================================ */
.projects { background: var(--paper); color: var(--ink); padding: clamp(4rem, 10vw, 8rem) 0; }
.projects h2 { max-width: 22ch; margin-bottom: 3.5rem; }
.projects .eyebrow { color: var(--concrete); }

.projects__grid {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
}
.project {
  position: relative; overflow: hidden; border-radius: 2px;
  aspect-ratio: 3/4;
  background: var(--paper-dim);
}
.project picture, .project img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.project img {
  transform: scale(1.12);
  will-change: transform;
  filter: grayscale(.1);
  transition: transform .6s var(--ease), filter .4s;
}
.project:hover img, .project:focus-within img { transform: scale(1.18); filter: grayscale(0); }

.project__plus {
  position: absolute; top: .9rem; right: .9rem; z-index: 2;
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  background: var(--acid);
  border-radius: 1px;
  transition: transform .3s var(--ease), background .3s;
}
.project__plus svg {
  width: 16px; height: 16px;
  fill: none; stroke: var(--ink); stroke-width: 2; stroke-linecap: round;
  transition: transform .3s var(--ease);
}
.project:hover .project__plus svg, .project:focus-within .project__plus svg { transform: rotate(45deg); }

.project figcaption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 1rem 1rem 1rem;
  background: linear-gradient(180deg, transparent 0%, rgba(13,14,13,.82) 75%);
  color: var(--paper);
}
.project__tag {
  font-family: var(--font-display);
  font-size: .65rem; letter-spacing: .22em; text-transform: uppercase;
  color: var(--acid); margin-bottom: .35rem; display: block;
}
.project figcaption h3 { font-size: .92rem; margin-bottom: .2rem; line-height: 1.25; }
.project figcaption p { font-size: .78rem; color: var(--concrete-d); }

/* ============================================================
   Contact
   ============================================================ */
.contact {
  position: relative;
  background: var(--ink-soft);
  padding: clamp(4rem, 10vw, 8rem) 0;
  overflow: hidden;
  isolation: isolate;
}
.contact__mark {
  position: absolute; bottom: -8%; left: -4%;
  width: 28vw; max-width: 360px; aspect-ratio: 0.62;
  opacity: .05; z-index: 0;
}

.contact__grid {
  position: relative; z-index: 1;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2.5rem, 6vw, 6rem);
}
.contact h2 { margin-bottom: 1.2rem; }
.contact__lead { color: var(--concrete-d); max-width: 42ch; margin-bottom: 2.5rem; }

.contact__details { display: flex; flex-direction: column; gap: 1.3rem; }
.contact__details li { display: flex; flex-direction: column; gap: .25rem; }
.contact__label {
  font-family: var(--font-display);
  font-size: .7rem; letter-spacing: .25em; text-transform: uppercase;
  color: var(--acid-dim);
}
.contact__details a, .contact__details span:not(.contact__label) { font-size: 1.05rem; }
.contact__details a { transition: color .2s; }
.contact__details a:hover { color: var(--acid); }

.contact__form { display: flex; flex-direction: column; gap: 1.2rem; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.form__field { display: flex; flex-direction: column; gap: .5rem; }
.form__field label {
  font-family: var(--font-display);
  font-size: .7rem; letter-spacing: .2em; text-transform: uppercase;
  color: var(--concrete-d);
}
.form__field input, .form__field select, .form__field textarea {
  background: rgba(245,244,239,.04);
  border: 1px solid rgba(245,244,239,.15);
  color: var(--paper);
  padding: .85rem 1rem;
  font-family: var(--font-body);
  font-size: .95rem;
  border-radius: 1px;
  transition: border-color .25s, background .25s;
}
.form__field input:focus, .form__field select:focus, .form__field textarea:focus {
  outline: none;
  border-color: var(--acid);
  background: rgba(245,244,239,.07);
}
.form__field select { appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23DBDB00' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 1rem center;
}
.form__field select option { color: var(--ink); }
.form__field textarea { resize: vertical; min-height: 110px; }

.form__check {
  display: flex; align-items: flex-start; gap: .7rem;
  font-size: .85rem; color: var(--concrete-d);
  cursor: pointer;
}
.form__check input { margin-top: .2rem; accent-color: var(--acid); width: 16px; height: 16px; flex-shrink: 0; }
.form__check a { color: var(--acid); text-decoration: underline; }
.form__status { font-size: .85rem; min-height: 1.2em; color: var(--acid); }

/* ============================================================
   Footer
   ============================================================ */
.footer { background: var(--ink); padding: clamp(3.5rem, 8vw, 6rem) 0 2rem; }
.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(245,244,239,.08);
}
.footer__logo { height: 28px; width: auto; margin-bottom: 1.2rem; }
.footer__brand p { color: var(--concrete-d); font-size: .9rem; max-width: 32ch; }
.footer__col { display: flex; flex-direction: column; gap: .8rem; }
.footer__col h4 {
  font-size: .7rem; letter-spacing: .25em;
  color: var(--acid-dim); margin-bottom: .4rem;
}
.footer__col a, .footer__col span {
  color: var(--concrete-d); font-size: .9rem; transition: color .2s;
}
.footer__col a:hover { color: var(--acid); }

.footer__bottom {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
  padding-top: 1.5rem;
  font-size: .8rem; color: var(--concrete);
}
.footer__bottom a { color: var(--concrete-d); text-decoration: underline; }
.footer__bottom a:hover { color: var(--acid); }

/* ============================================================
   WhatsApp floating button
   ============================================================ */
.whatsapp-fab {
  position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 90;
  width: 58px; height: 58px;
  display: flex; align-items: center; justify-content: center;
  background: #25D366; border-radius: 50%;
  box-shadow: 0 8px 24px rgba(0,0,0,.35);
  transition: transform .25s var(--ease), box-shadow .25s;
  animation: fabPulse 3.2s ease-in-out infinite;
}
.whatsapp-fab svg { width: 28px; height: 28px; fill: #fff; }
.whatsapp-fab:hover { transform: scale(1.08); box-shadow: 0 10px 28px rgba(0,0,0,.45); }
@keyframes fabPulse {
  0%, 100% { box-shadow: 0 8px 24px rgba(0,0,0,.35), 0 0 0 0 rgba(37,211,102,.5); }
  50% { box-shadow: 0 8px 24px rgba(0,0,0,.35), 0 0 0 10px rgba(37,211,102,0); }
}

/* ============================================================
   Privacy modal
   ============================================================ */
.modal {
  position: fixed; inset: 0; z-index: 200;
  display: flex; align-items: center; justify-content: center;
  background: rgba(13,14,13,.7);
  opacity: 0; visibility: hidden;
  transition: opacity .3s var(--ease), visibility .3s var(--ease);
  padding: var(--gutter);
}
.modal.is-open { opacity: 1; visibility: visible; }
.modal__panel {
  background: var(--paper); color: var(--ink);
  max-width: 540px; width: 100%;
  padding: clamp(1.8rem, 4vw, 3rem);
  border-radius: 2px;
  position: relative;
  transform: translateY(20px);
  transition: transform .35s var(--ease);
}
.modal.is-open .modal__panel { transform: translateY(0); }
.modal__panel h3 {
  margin-bottom: 1rem; font-size: 1.4rem;
}
.modal__panel p { color: #45463F; margin-bottom: 1rem; font-size: .95rem; }
.modal__panel p:last-child { margin-bottom: 0; }
.modal__panel a { color: var(--acid-dim); text-decoration: underline; }
.modal__close {
  position: absolute; top: 1rem; right: 1rem;
  font-size: 1.8rem; line-height: 1; color: var(--concrete);
}
.modal__close:hover { color: var(--ink); }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
  .about__grid { grid-template-columns: 1fr; align-items: start; }
  .about__media { aspect-ratio: 16/9; order: -1; }
  .methodology__grid { grid-template-columns: 1fr; }
  .pillars__grid { grid-template-columns: repeat(2, 1fr); gap: 2.5rem 1.5rem; }
  .contact__grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 880px) {
  .nav__links { display: none; }
  .nav__burger { display: flex; }
  .service, .service:nth-child(even) { grid-template-columns: 1fr; direction: ltr; }
  .service__media { aspect-ratio: 16/10; }
  .services-overview { grid-template-columns: repeat(2, 1fr); gap: 2rem 1.5rem; }
  .projects__grid { grid-template-columns: repeat(2, 1fr); }
  .form__row { grid-template-columns: 1fr; }

  .hero {
    display: flex; flex-direction: column;
    min-height: auto;
  }
  .hero__photo {
    position: relative;
    left: 0; inset: auto;
    clip-path: none;
    height: 46vh; min-height: 280px;
    order: -1;
  }
  .hero__photo picture, .hero__photo img { position: absolute; inset: 0; width: 100%; height: 100%; }
  .hero__photo-scrim {
    background: linear-gradient(180deg, rgba(13,14,13,.25) 0%, rgba(13,14,13,.15) 50%, var(--ink) 100%);
  }
  .hero .line-art { width: 90%; height: 90%; }
  .hero__f { width: 22vw; max-width: 130px; }
  .hero__content {
    min-height: auto;
    padding: 2.5rem var(--gutter) 3rem;
    max-width: 100%;
  }
}

@media (max-width: 640px) {
  .methodology__steps { grid-template-columns: 1fr; }
  .method-step--active { transform: none; }
  .services-overview { grid-template-columns: 1fr; gap: 2rem; }
  .hero__title { font-size: clamp(1.9rem, 9.5vw, 2.8rem); word-break: break-word; }
  .hero__lead { font-size: .95rem; }
  .hero__actions { margin-bottom: 1rem; flex-direction: column; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .hero__scroll { display: none; }
  .pillars__grid { grid-template-columns: 1fr; }
  .projects__grid { grid-template-columns: 1fr; gap: 1rem; }
  .footer__grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer__bottom { flex-direction: column; }
  .whatsapp-fab { width: 52px; height: 52px; bottom: 1.1rem; right: 1.1rem; }
  .whatsapp-fab svg { width: 25px; height: 25px; }
  .marquee__track { font-size: .7rem; }
}