:root {
  --blue-night: #06111f;
  --blue-deep: #081f33;
  --blue-mid: #0b2a44;
  --blue-electric: #1e6bff;
  --cyan: #00c9c8;
  --white: #ffffff;
  --mist: #d9e8ff;
  --concrete: #f3f6f8;
  --graphite: #1f2937;
  --muted: #718096;
  --line: rgba(217, 232, 255, 0.18);
  --glass: rgba(255, 255, 255, 0.08);
  --glass-strong: rgba(255, 255, 255, 0.14);
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.22);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --max: 1180px;
  --header-height: 76px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--blue-night);
  color: var(--graphite);
  text-rendering: geometricPrecision;
  -webkit-font-smoothing: antialiased;
}
body.no-scroll { overflow: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }

.skip-link {
  position: fixed;
  left: 16px;
  top: 12px;
  z-index: 9999;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--white);
  color: var(--blue-night);
  transform: translateY(-140%);
  transition: transform 180ms ease;
}
.skip-link:focus { transform: translateY(0); }

.container {
  width: min(calc(100% - 40px), var(--max));
  margin-inline: auto;
}

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  height: var(--header-height);
  transition: background 220ms ease, border-color 220ms ease, backdrop-filter 220ms ease;
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: rgba(6, 17, 31, 0.72);
  backdrop-filter: blur(20px);
  border-bottom-color: rgba(217, 232, 255, 0.14);
}
.header-shell {
  width: min(calc(100% - 32px), 1260px);
  margin-inline: auto;
  height: var(--header-height);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 26px;
}
.brand {
  display: inline-flex;
  width: 154px;
  align-items: center;
  filter: drop-shadow(0 10px 24px rgba(0,0,0,.24));
}
.brand img { width: 154px; height: auto; }
.main-nav {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 24px;
  color: rgba(255,255,255,.78);
  font-size: 0.88rem;
  letter-spacing: .01em;
}
.main-nav a {
  position: relative;
  padding: 12px 0;
  transition: color 180ms ease;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 7px;
  width: 0;
  height: 1px;
  background: var(--cyan);
  transition: width 180ms ease;
}
.main-nav a:hover,
.main-nav a:focus-visible { color: var(--white); }
.main-nav a:hover::after,
.main-nav a:focus-visible::after { width: 100%; }
.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border-radius: 999px;
  color: var(--white);
  background: linear-gradient(135deg, rgba(30,107,255,.95), rgba(0,201,200,.7));
  box-shadow: 0 12px 40px rgba(30, 107, 255, .22);
  font-weight: 700;
  font-size: .86rem;
  white-space: nowrap;
}
.menu-toggle { display: none; }

.hero {
  min-height: 100svh;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: grid;
  align-items: center;
  padding-top: var(--header-height);
  color: var(--white);
}
.hero-media,
.hero-overlay,
.hero-grid {
  position: absolute;
  inset: 0;
  z-index: -3;
}
.hero-media {
  background: url("assets/hero/hero-casa-na.webp") center/cover no-repeat;
  transform: scale(1.03);
}
.hero-overlay {
  z-index: -2;
  background:
    radial-gradient(circle at 78% 24%, rgba(0,201,200,.16), transparent 24%),
    radial-gradient(circle at 18% 65%, rgba(30,107,255,.20), transparent 28%),
    linear-gradient(90deg, rgba(6,17,31,.94) 0%, rgba(6,17,31,.82) 40%, rgba(6,17,31,.38) 100%),
    linear-gradient(180deg, rgba(6,17,31,.3), rgba(6,17,31,.92));
}
.hero-grid {
  z-index: -1;
  opacity: .14;
  background-image:
    linear-gradient(rgba(217,232,255,.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(217,232,255,.08) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(90deg, black, transparent 72%);
}
.hero-content {
  padding: 96px 0 124px;
  max-width: 820px;
  margin-left: max(20px, calc((100vw - var(--max)) / 2));
  margin-right: auto;
}
.eyebrow,
.section-kicker {
  margin: 0 0 18px;
  color: var(--cyan);
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
  font-size: .75rem;
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  max-width: 760px;
  margin-bottom: 22px;
  font-size: clamp(3rem, 8vw, 6.75rem);
  line-height: .92;
  letter-spacing: -0.075em;
}
.hero-lead {
  max-width: 650px;
  color: rgba(255,255,255,.82);
  font-size: clamp(1.05rem, 2.4vw, 1.34rem);
  line-height: 1.62;
  margin-bottom: 34px;
}
.hero-actions,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 800;
  letter-spacing: -0.01em;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease, border-color 180ms ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--blue-electric), #00bfc0);
  box-shadow: 0 18px 48px rgba(30,107,255,.25);
}
.btn-glass {
  color: var(--white);
  background: rgba(255,255,255,.075);
  border-color: rgba(255,255,255,.25);
  backdrop-filter: blur(20px);
}
.btn-glass:hover { background: rgba(255,255,255,.14); border-color: rgba(255,255,255,.42); }
.hero-meta {
  position: absolute;
  right: 34px;
  bottom: 28px;
  display: flex;
  gap: 10px;
  color: rgba(255,255,255,.62);
  font-size: .74rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.hero-meta span {
  padding: 8px 12px;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 999px;
  background: rgba(255,255,255,.06);
  backdrop-filter: blur(16px);
}

.section { padding: 118px 0; }
.about-section {
  background:
    radial-gradient(circle at 90% 0%, rgba(30,107,255,.08), transparent 34%),
    linear-gradient(180deg, var(--concrete), #fff);
}
.two-column {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 520px);
  align-items: center;
  gap: clamp(40px, 8vw, 92px);
}
.section-copy h2,
.section-heading h2,
.portfolio-heading h2,
.cta-copy h2 {
  font-size: clamp(2.35rem, 5.4vw, 4.9rem);
  line-height: .98;
  letter-spacing: -0.06em;
  color: var(--blue-night);
  margin-bottom: 24px;
}
.section-copy p,
.section-heading p,
.portfolio-heading p,
.cta-copy p {
  color: #536173;
  font-size: 1.03rem;
  line-height: 1.78;
  max-width: 660px;
}
.large-copy {
  font-size: clamp(1.3rem, 2.4vw, 2rem) !important;
  line-height: 1.35 !important;
  letter-spacing: -0.045em;
  color: var(--blue-night) !important;
  font-weight: 720;
}
.about-card {
  position: relative;
  border-radius: 999px 999px 28px 28px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--blue-night);
  min-height: 560px;
}
.about-card::before {
  content: "";
  position: absolute;
  inset: 16px;
  border: 1px solid rgba(255,255,255,.28);
  border-radius: inherit;
  z-index: 1;
  pointer-events: none;
}
.about-card img {
  width: 100%;
  height: 100%;
  min-height: 560px;
  object-fit: cover;
  filter: saturate(.92) contrast(1.02);
}

.commitment {
  position: relative;
  min-height: 680px;
  display: grid;
  place-items: center;
  color: var(--white);
  overflow: hidden;
  isolation: isolate;
}
.commitment-bg,
.commitment-overlay {
  position: absolute;
  inset: 0;
  z-index: -2;
}
.commitment-bg { background: url("assets/sections/compromiso-bg.webp") center/cover no-repeat; transform: scale(1.03); }
.commitment-overlay {
  z-index: -1;
  background:
    radial-gradient(circle at 50% 20%, rgba(0,201,200,.12), transparent 26%),
    linear-gradient(180deg, rgba(6,17,31,.64), rgba(6,17,31,.94));
}
.commitment-inner { text-align: center; max-width: 1040px; padding: 92px 0; }
.commitment h2 {
  font-size: clamp(2.2rem, 5vw, 4.8rem);
  letter-spacing: -0.06em;
  line-height: .98;
  margin-bottom: 32px;
}
.commitment blockquote {
  margin: 0 auto 28px;
  max-width: 960px;
  color: rgba(255,255,255,.88);
  font-size: clamp(1.3rem, 3.2vw, 2.35rem);
  line-height: 1.35;
  letter-spacing: -0.045em;
  font-weight: 500;
}
.signature { color: rgba(255,255,255,.62); font-weight: 700; }

.reasons-section {
  background:
    linear-gradient(180deg, #fff, var(--concrete));
  position: relative;
  overflow: hidden;
}
.reasons-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(120deg, rgba(6,17,31,.04) 0 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: .8;
}
.section-heading { position: relative; margin-bottom: 46px; }
.reason-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.reason-card {
  padding: 34px;
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,.82);
  border: 1px solid rgba(8,31,51,.08);
  box-shadow: 0 20px 60px rgba(8,31,51,.08);
  backdrop-filter: blur(16px);
  min-height: 290px;
  transition: transform 200ms ease, box-shadow 200ms ease;
}
.reason-card:hover { transform: translateY(-6px); box-shadow: 0 28px 80px rgba(8,31,51,.12); }
.icon-box {
  width: 62px;
  height: 62px;
  display: grid;
  place-items: center;
  margin-bottom: 26px;
  color: var(--blue-night);
  border-radius: 20px;
  background: linear-gradient(145deg, rgba(30,107,255,.1), rgba(0,201,200,.12));
  border: 1px solid rgba(8,31,51,.08);
}
.icon-box img { width: 36px; height: 36px; }
.reason-card h3 {
  color: var(--blue-night);
  font-size: 1.4rem;
  letter-spacing: -0.035em;
  margin-bottom: 12px;
}
.reason-card p { color: #5b6979; line-height: 1.7; margin-bottom: 0; }

.portfolio-section {
  background: var(--blue-night);
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.portfolio-section::before {
  content: "";
  position: absolute;
  inset: -15% -10% auto -10%;
  height: 440px;
  background: radial-gradient(circle at 20% 40%, rgba(30,107,255,.26), transparent 33%), radial-gradient(circle at 80% 16%, rgba(0,201,200,.14), transparent 28%);
  pointer-events: none;
}
.portfolio-heading {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 32px;
  margin-bottom: 28px;
}
.portfolio-heading h2 { color: var(--white); }
.portfolio-heading p { color: rgba(255,255,255,.68); }
.text-link {
  color: var(--mist);
  border-bottom: 1px solid rgba(217,232,255,.44);
  padding-bottom: 6px;
  font-weight: 800;
  white-space: nowrap;
}
.filter-bar {
  position: sticky;
  top: calc(var(--header-height) + 10px);
  z-index: 20;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 12px;
  margin: 0 0 28px;
  border-radius: 999px;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.12);
  backdrop-filter: blur(20px);
  scrollbar-width: none;
}
.filter-bar::-webkit-scrollbar { display: none; }
.filter-btn {
  flex: 0 0 auto;
  min-height: 40px;
  padding: 0 16px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 999px;
  color: rgba(255,255,255,.72);
  background: transparent;
  transition: background 180ms ease, color 180ms ease, border-color 180ms ease;
}
.filter-btn:hover,
.filter-btn.is-active {
  color: var(--white);
  background: rgba(255,255,255,.12);
  border-color: rgba(0,201,200,.45);
}
.portfolio-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.project-card {
  position: relative;
  min-height: 315px;
  border-radius: 24px;
  overflow: hidden;
  background: var(--blue-deep);
  border: 1px solid rgba(255,255,255,.1);
  box-shadow: 0 20px 52px rgba(0,0,0,.22);
  isolation: isolate;
  cursor: pointer;
}
.project-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, transparent 34%, rgba(6,17,31,.72) 100%);
  pointer-events: none;
}
.project-card img {
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
  object-fit: cover;
  transition: transform 420ms ease, filter 420ms ease;
}
.project-card:hover img { transform: scale(1.05); filter: saturate(.92) contrast(1.05); }
.project-featured { grid-column: span 2; grid-row: span 2; min-height: 650px; }
.project-info {
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 18px;
  z-index: 2;
}
.project-info span {
  display: inline-flex;
  margin-bottom: 9px;
  color: var(--cyan);
  font-size: .73rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.project-info h3 {
  margin: 0;
  color: var(--white);
  font-size: clamp(1.08rem, 1.8vw, 1.45rem);
  line-height: 1.12;
  letter-spacing: -0.035em;
}
.project-open {
  position: absolute;
  right: 16px;
  top: 16px;
  z-index: 2;
  border: 1px solid rgba(255,255,255,.22);
  color: rgba(255,255,255,.84);
  background: rgba(6,17,31,.38);
  backdrop-filter: blur(14px);
  border-radius: 999px;
  padding: 9px 12px;
  font-size: .78rem;
  font-weight: 800;
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity 180ms ease, transform 180ms ease;
}
.project-card:hover .project-open,
.project-card:focus-within .project-open { opacity: 1; transform: translateY(0); }
.project-card.is-hidden { display: none; }

.cta-section {
  position: relative;
  isolation: isolate;
  color: var(--white);
  padding: 126px 0;
  overflow: hidden;
  background: var(--blue-night);
}
.cta-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background: url("assets/sections/cta-bg.webp") center/cover no-repeat;
  opacity: .38;
}
.cta-section::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 80% 20%, rgba(0,201,200,.16), transparent 32%),
    linear-gradient(90deg, rgba(6,17,31,.95), rgba(6,17,31,.74));
}
.cta-shell {
  display: grid;
  grid-template-columns: 1fr minmax(330px, 440px);
  gap: 46px;
  align-items: center;
  padding: 42px;
  border-radius: 34px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.18);
  box-shadow: 0 28px 90px rgba(0,0,0,.32);
  backdrop-filter: blur(24px);
}
.cta-copy h2 { color: var(--white); }
.cta-copy p { color: rgba(255,255,255,.72); }
.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}
.contact-links a {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.14);
  color: rgba(255,255,255,.82);
  font-size: .9rem;
}
.contact-form {
  display: grid;
  gap: 14px;
  padding: 22px;
  border-radius: 24px;
  background: rgba(255,255,255,.09);
  border: 1px solid rgba(255,255,255,.14);
}
.contact-form label {
  color: rgba(255,255,255,.72);
  font-size: .82rem;
  font-weight: 800;
  display: grid;
  gap: 8px;
}
.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 14px;
  padding: 13px 14px;
  color: var(--white);
  background: rgba(6,17,31,.52);
  outline: none;
  transition: border-color 180ms ease, background 180ms ease;
}
.contact-form select option { color: var(--graphite); }
.contact-form textarea { resize: vertical; min-height: 110px; }
.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus { border-color: rgba(0,201,200,.72); background: rgba(6,17,31,.72); }
.form-submit { width: 100%; border: 0; margin-top: 4px; }
.form-note { color: rgba(255,255,255,.52); font-size: .82rem; line-height: 1.5; margin: 0; }

.site-footer {
  background: #030b14;
  color: rgba(255,255,255,.68);
  padding: 70px 0 28px;
  border-top: 1px solid rgba(217,232,255,.12);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr .7fr .9fr;
  gap: 46px;
}
.footer-logo { width: 190px; height: auto; margin-bottom: 18px; }
.site-footer h2 {
  margin: 0 0 18px;
  color: var(--white);
  font-size: .9rem;
  text-transform: uppercase;
  letter-spacing: .12em;
}
.site-footer a { display: block; margin-bottom: 10px; transition: color 180ms ease; }
.site-footer a:hover { color: var(--white); }
.footer-bottom {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid rgba(217,232,255,.12);
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: rgba(255,255,255,.46);
  font-size: .85rem;
}

.floating-whatsapp {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 900;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  color: var(--white);
  background: linear-gradient(135deg, #0cbf85, #00c9c8);
  box-shadow: 0 18px 48px rgba(0,0,0,.28);
  font-weight: 900;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: grid;
  place-items: center;
  padding: 28px;
  background: rgba(3, 11, 20, .84);
  backdrop-filter: blur(18px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}
.modal.is-open { opacity: 1; pointer-events: auto; }
.modal-content {
  position: relative;
  width: min(100%, 1100px);
  margin: 0;
  border-radius: 28px;
  overflow: hidden;
  background: var(--blue-night);
  box-shadow: 0 40px 130px rgba(0,0,0,.55);
  border: 1px solid rgba(255,255,255,.16);
}
.modal-content img {
  width: 100%;
  max-height: 78vh;
  object-fit: contain;
  background: var(--blue-night);
}
.modal-content figcaption {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 22px;
  color: var(--white);
  background: rgba(6,17,31,.96);
}
.modal-content figcaption span { color: var(--cyan); text-transform: uppercase; letter-spacing: .12em; font-size: .76rem; font-weight: 900; }
.modal-close {
  position: fixed;
  right: 24px;
  top: 20px;
  width: 48px;
  height: 48px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.22);
  background: rgba(255,255,255,.08);
  color: var(--white);
  font-size: 2rem;
  line-height: 1;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 650ms ease, transform 650ms ease;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1080px) {
  .main-nav { gap: 16px; font-size: .82rem; }
  .portfolio-grid { grid-template-columns: repeat(3, 1fr); }
  .project-featured { grid-column: span 2; }
  .cta-shell { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  :root { --header-height: 70px; }
  .header-shell { grid-template-columns: auto auto; justify-content: space-between; }
  .brand, .brand img { width: 136px; }
  .header-cta { display: none; }
  .menu-toggle {
    display: inline-grid;
    place-items: center;
    width: 46px;
    height: 46px;
    border-radius: 14px;
    background: rgba(255,255,255,.09);
    border: 1px solid rgba(255,255,255,.16);
  }
  .menu-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    margin: 3px 0;
    background: var(--white);
    border-radius: 999px;
    transition: transform 180ms ease, opacity 180ms ease;
  }
  .menu-toggle.is-open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .menu-toggle.is-open span:nth-child(2) { opacity: 0; }
  .menu-toggle.is-open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 16px;
    right: 16px;
    display: grid;
    justify-items: stretch;
    gap: 4px;
    padding: 16px;
    border-radius: 22px;
    color: var(--white);
    background: rgba(6,17,31,.94);
    border: 1px solid rgba(217,232,255,.16);
    backdrop-filter: blur(20px);
    transform: translateY(-18px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 180ms ease, transform 180ms ease;
  }
  .main-nav.is-open { opacity: 1; transform: translateY(0); pointer-events: auto; }
  .main-nav a { padding: 14px 12px; border-radius: 14px; background: rgba(255,255,255,.05); }
  .main-nav a::after { display: none; }
  .hero { min-height: 92svh; }
  .hero-content { margin-left: auto; width: min(calc(100% - 40px), var(--max)); padding: 96px 0 88px; }
  .hero-meta { display: none; }
  .two-column { grid-template-columns: 1fr; }
  .about-card { min-height: 430px; border-radius: 36px; }
  .about-card img { min-height: 430px; }
  .reason-grid { grid-template-columns: 1fr; }
  .portfolio-heading { display: block; }
  .text-link { display: inline-flex; margin-top: 18px; }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .project-featured { grid-column: 1 / -1; min-height: 460px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
}

@media (max-width: 620px) {
  .container { width: min(calc(100% - 28px), var(--max)); }
  .section { padding: 82px 0; }
  h1 { font-size: clamp(2.8rem, 14vw, 4.8rem); }
  .hero-lead { font-size: 1rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .btn { width: 100%; }
  .section-copy h2,
  .section-heading h2,
  .portfolio-heading h2,
  .cta-copy h2 { font-size: clamp(2.2rem, 12vw, 3.6rem); }
  .commitment { min-height: 560px; }
  .commitment blockquote { font-size: 1.18rem; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .project-card, .project-featured { min-height: 360px; }
  .filter-bar { border-radius: 20px; }
  .cta-section { padding: 84px 0; }
  .cta-shell { padding: 20px; border-radius: 24px; }
  .contact-links { flex-direction: column; }
  .floating-whatsapp { right: 14px; left: 14px; bottom: 12px; }
  .site-footer { padding-bottom: 82px; }
  .modal { padding: 16px; }
  .modal-close { right: 16px; top: 14px; }
  .modal-content figcaption { display: grid; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
  .reveal { opacity: 1; transform: none; }
}