@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@500;600;700;800;900&family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --black: #090a0c;
  --black-2: #0e1013;
  --graphite: #17191e;
  --graphite-2: #202329;
  --steel: #8b9199;
  --silver: #dfe4ea;
  --smoke: #f4f6f8;
  --white: #fff;
  --yellow: #ffe500;
  --yellow-2: #f2d900;
  --red: #e63946;
  --green: #22c55e;
  --line: rgba(255,255,255,.12);
  --line-dark: rgba(9,10,12,.12);
  --shadow: 0 18px 55px rgba(0,0,0,.28);
  --radius: 18px;
  --radius-sm: 12px;
  --container: min(1180px, calc(100% - 40px));
  --header-h: 76px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 108px; }
body {
  margin: 0;
  background: var(--black);
  color: var(--white);
  font-family: Inter, system-ui, -apple-system, Segoe UI, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
.container { width: var(--container); margin-inline: auto; }
.narrow { max-width: 820px; }
.section { padding: 92px 0; position: relative; }
.section--tight { padding: 58px 0; }
.section--dark { background: var(--black); }
.section--graphite { background: linear-gradient(180deg, #121419 0%, #0d0f12 100%); }
.section--light { background: var(--smoke); color: var(--black); }
.section--yellow-line { border-top: 1px solid rgba(255,229,0,.45); }
.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  margin: 0 0 12px; color: var(--yellow);
  font: 800 14px/1 Barlow Condensed, sans-serif;
  letter-spacing: .14em; text-transform: uppercase;
}
.eyebrow::before { content: ''; width: 28px; height: 2px; background: var(--yellow); }
.section-title {
  margin: 0; max-width: 800px;
  font: 800 clamp(36px, 5vw, 62px)/.98 Barlow Condensed, sans-serif;
  letter-spacing: -.025em; text-transform: uppercase;
}
.section-lead { max-width: 760px; margin: 20px 0 0; color: #bfc4cb; font-size: 17px; }
.section--light .section-lead { color: #555d67; }
.text-yellow { color: var(--yellow); }
.muted { color: #aeb4bc; }
.small { font-size: 13px; }

.skip-link { position: fixed; left: 12px; top: -100px; z-index: 9999; padding: 10px 16px; background: var(--yellow); color: var(--black); font-weight: 800; }
.skip-link:focus { top: 12px; }

.topbar {
  min-height: 36px; background: #050607; border-bottom: 1px solid var(--line);
  display: flex; align-items: center; font-size: 12px; color: #d7dbe0;
}
.topbar__inner { width: var(--container); margin: auto; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.topbar__items { display: flex; flex-wrap: wrap; gap: 18px; }
.topbar__item { display: inline-flex; gap: 7px; align-items: center; white-space: nowrap; }
.topbar__dot { width: 7px; height: 7px; border-radius: 50%; background: var(--yellow); box-shadow: 0 0 0 3px rgba(255,229,0,.12); }
.topbar__cta { color: var(--black); background: var(--yellow); padding: 5px 12px; border-radius: 4px; font-weight: 800; }

.site-header {
  height: var(--header-h); position: sticky; top: 0; z-index: 1000;
  background: rgba(8,9,11,.94); backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.header__inner { width: var(--container); height: 100%; margin: auto; display: grid; grid-template-columns: 155px 1fr auto; align-items: center; gap: 28px; }
.brand { min-width: 0; display: flex; align-items: center; }
.brand img { width: 138px; height: 64px; object-fit: contain; filter: drop-shadow(0 6px 12px rgba(0,0,0,.34)); }
.nav { display: flex; justify-content: center; align-items: center; gap: 24px; }
.nav a { position: relative; padding: 26px 0 23px; color: #d7d9dc; font: 600 14px/1 Barlow Condensed, sans-serif; letter-spacing: .025em; }
.nav a::after { content: ''; position: absolute; left: 0; right: 0; bottom: 17px; height: 2px; background: var(--yellow); transform: scaleX(0); transition: .22s ease; }
.nav a:hover, .nav a.active { color: var(--yellow); }
.nav a:hover::after, .nav a.active::after { transform: scaleX(1); }
.header__actions { display: flex; gap: 10px; }
.menu-toggle { display: none; border: 0; background: transparent; color: var(--white); width: 44px; height: 44px; align-items: center; justify-content: center; }
.menu-toggle span, .menu-toggle::before, .menu-toggle::after { content: ''; display: block; width: 24px; height: 2px; background: currentColor; transition: .25s ease; }
.menu-toggle span { margin: 5px 0; }
.menu-open .menu-toggle span { opacity: 0; }
.menu-open .menu-toggle::before { transform: translateY(7px) rotate(45deg); }
.menu-open .menu-toggle::after { transform: translateY(-7px) rotate(-45deg); }

.btn {
  min-height: 46px; padding: 0 20px; border-radius: 8px; border: 1px solid transparent;
  display: inline-flex; justify-content: center; align-items: center; gap: 9px;
  font-weight: 800; font-size: 14px; transition: transform .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--yellow); color: var(--black); box-shadow: 0 8px 30px rgba(255,229,0,.13); }
.btn--primary:hover { background: #fff14a; }
.btn--outline { color: var(--yellow); border-color: rgba(255,229,0,.72); background: rgba(255,229,0,.03); }
.btn--outline:hover { background: rgba(255,229,0,.1); }
.btn--whatsapp { color: var(--white); background: #168f43; border-color: #2cc866; }
.btn--ghost { color: var(--white); border-color: var(--line); background: rgba(255,255,255,.04); }
.btn--small { min-height: 38px; padding: 0 14px; font-size: 12px; }
.btn svg { width: 18px; height: 18px; flex: none; }

.hero {
  min-height: 720px; position: relative; display: flex; align-items: center;
  isolation: isolate; overflow: hidden; background: #111;
}
.hero::before {
  content: ''; position: absolute; inset: 0; z-index: -3;
  background: url('assets/images/hero-desktop.webp') center/cover no-repeat;
}
.hero::after {
  content: ''; position: absolute; inset: 0; z-index: -2;
  background: linear-gradient(90deg, rgba(4,5,6,.22) 0%, rgba(4,5,6,.28) 42%, rgba(4,5,6,.93) 62%, rgba(4,5,6,.98) 100%);
}
.hero__grid { width: var(--container); margin: auto; display: grid; grid-template-columns: .95fr 1.05fr; min-height: 720px; align-items: center; }
.hero__content { grid-column: 2; max-width: 640px; padding: 90px 0 70px 42px; }
.hero__kicker { display: inline-flex; align-items: center; gap: 10px; color: var(--yellow); font: 800 15px/1 Barlow Condensed; letter-spacing: .14em; text-transform: uppercase; }
.hero__kicker span { width: 34px; height: 2px; background: currentColor; }
.hero h1 { margin: 20px 0 18px; font: 900 clamp(50px,6.3vw,92px)/.86 Barlow Condensed, sans-serif; letter-spacing: -.035em; text-transform: uppercase; }
.hero h1 strong { color: var(--yellow); font-weight: inherit; }
.hero__lead { max-width: 650px; color: #e3e6ea; font-size: clamp(16px,1.5vw,20px); line-height: 1.55; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 30px; }
.hero__tag { padding: 8px 11px; border: 1px solid rgba(255,255,255,.18); background: rgba(0,0,0,.38); border-radius: 999px; font-size: 12px; color: #e5e8eb; backdrop-filter: blur(8px); }
.hero__trust { position: absolute; bottom: 0; left: 0; right: 0; background: rgba(7,8,9,.91); border-top: 1px solid var(--line); }
.hero__trust-inner { width: var(--container); margin: auto; min-height: 62px; display: grid; grid-template-columns: repeat(6,1fr); gap: 8px; align-items: center; }
.trust-pill { display: flex; align-items: center; justify-content: center; gap: 8px; color: #d6d9dd; font-size: 12px; text-align: center; }
.trust-pill svg { width: 18px; height: 18px; color: var(--yellow); }

.service-choices { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; margin-top: 38px; }
.choice-card {
  min-height: 230px; padding: 28px; background: linear-gradient(150deg,#202329 0%,#111317 100%);
  border: 1px solid var(--line); border-radius: var(--radius); position: relative; overflow: hidden;
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.choice-card::before { content: ''; position: absolute; width: 105px; height: 105px; right: -35px; top: -35px; border: 1px solid rgba(255,229,0,.13); border-radius: 50%; }
.choice-card:hover { transform: translateY(-7px); border-color: rgba(255,229,0,.54); box-shadow: var(--shadow); }
.icon-box { width: 52px; height: 52px; border: 1px solid rgba(255,229,0,.45); border-radius: 12px; display: grid; place-items: center; color: var(--yellow); background: rgba(255,229,0,.05); }
.icon-box svg { width: 28px; height: 28px; }
.choice-card h3 { margin: 20px 0 8px; font: 800 23px/1 Barlow Condensed; text-transform: uppercase; }
.choice-card p { margin: 0 0 18px; color: #b6bcc4; font-size: 14px; }
.choice-card a { display: inline-flex; align-items: center; gap: 7px; color: var(--yellow); font-weight: 800; font-size: 13px; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.split--reverse .split__media { order: 2; }
.split__media { min-height: 470px; border-radius: var(--radius); overflow: hidden; position: relative; background: #23262b; box-shadow: var(--shadow); }
.split__media img { width: 100%; height: 100%; min-height: 470px; object-fit: cover; }
.split__media::after { content: 'IMAGEN REFERENCIAL'; position: absolute; left: 16px; bottom: 16px; padding: 6px 10px; border-radius: 4px; background: rgba(0,0,0,.72); color: #fff; font-size: 10px; letter-spacing: .1em; }
.split__content h2 { margin: 0; font: 800 clamp(38px,5vw,62px)/.94 Barlow Condensed; text-transform: uppercase; }
.split__content p { color: #bbc0c6; }
.check-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 24px; margin: 24px 0 28px; }
.check { display: flex; gap: 10px; align-items: flex-start; color: #e1e4e8; font-size: 14px; }
.check::before { content: '✓'; color: var(--yellow); font-weight: 900; }
.section--light .check { color: #24282e; }

.signal-grid { display: grid; grid-template-columns: repeat(6,1fr); gap: 10px; margin-top: 32px; }
.signal { min-height: 112px; border: 1px solid var(--line); background: #15181c; border-radius: 12px; padding: 17px 12px; display: flex; flex-direction: column; align-items: center; text-align: center; gap: 10px; color: #d5d9de; font-size: 12px; }
.signal svg { width: 26px; height: 26px; color: var(--yellow); }

.diagnostic-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 34px; }
.diag-card { padding: 30px; border: 1px solid rgba(255,229,0,.35); border-radius: var(--radius); background: #101216; }
.diag-card h3 { margin: 0 0 16px; color: var(--yellow); font: 800 28px/1 Barlow Condensed; text-transform: uppercase; }
.diag-quote { margin-top: 18px; padding: 20px 24px; border-left: 4px solid var(--yellow); background: rgba(255,229,0,.06); color: #fff; font-weight: 800; font-size: 18px; }

.tabs { margin-top: 34px; }
.tab-list { display: grid; grid-template-columns: repeat(3,1fr); border: 1px solid var(--line); border-radius: 12px 12px 0 0; overflow: hidden; }
.tab-btn { border: 0; border-right: 1px solid var(--line); background: #17191e; color: #d7dbe0; min-height: 54px; font: 800 20px/1 Barlow Condensed; text-transform: uppercase; }
.tab-btn:last-child { border-right: 0; }
.tab-btn.active { background: var(--yellow); color: var(--black); }
.tab-panel { display: none; grid-template-columns: .8fr 1.2fr; border: 1px solid var(--line); border-top: 0; min-height: 380px; }
.tab-panel.active { display: grid; }
.tab-panel__image { min-height: 380px; background: #25282d; }
.tab-panel__image img { width: 100%; height: 100%; object-fit: cover; }
.tab-panel__content { padding: 38px; }
.tab-panel__content h3 { margin: 0; font: 800 38px/1 Barlow Condensed; text-transform: uppercase; }
.tab-panel__content p { color: #bfc4ca; }

.feature-banner { display: grid; grid-template-columns: .9fr 1.1fr; border: 1px solid rgba(255,229,0,.4); border-radius: var(--radius); overflow: hidden; background: #101216; }
.feature-banner__image { min-height: 430px; }
.feature-banner__image img { width: 100%; height: 100%; min-height: 430px; object-fit: cover; }
.feature-banner__content { padding: 48px; }
.feature-banner__content h2 { margin: 0; font: 800 clamp(38px,5vw,62px)/.92 Barlow Condensed; text-transform: uppercase; }
.notice { display: flex; gap: 12px; margin: 24px 0; padding: 15px 17px; border-radius: 10px; background: rgba(255,229,0,.08); border: 1px solid rgba(255,229,0,.22); color: #f3f4f5; font-size: 13px; }
.notice::before { content: '!'; flex: none; display: grid; place-items: center; width: 23px; height: 23px; border-radius: 50%; background: var(--yellow); color: var(--black); font-weight: 900; }

.complementary-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; margin-top: 34px; }
.photo-card { min-height: 280px; border-radius: 14px; overflow: hidden; position: relative; background: #282b31; border: 1px solid var(--line); }
.photo-card img { width: 100%; height: 100%; min-height: 280px; object-fit: cover; transition: transform .45s ease; }
.photo-card:hover img { transform: scale(1.05); }
.photo-card::after { content: ''; position: absolute; inset: 0; background: linear-gradient(transparent 38%, rgba(0,0,0,.92)); }
.photo-card__body { position: absolute; z-index: 2; left: 22px; right: 22px; bottom: 20px; }
.photo-card h3 { margin: 0; font: 800 25px/1 Barlow Condensed; text-transform: uppercase; }
.photo-card p { margin: 7px 0 0; color: #d8dce1; font-size: 12px; }
.photo-card .badge { display: inline-block; margin-bottom: 8px; padding: 4px 8px; background: var(--yellow); color: var(--black); border-radius: 4px; font-size: 9px; font-weight: 900; letter-spacing: .08em; }

.process { counter-reset: steps; display: grid; grid-template-columns: repeat(6,1fr); gap: 0; margin-top: 34px; border: 1px solid rgba(255,229,0,.35); border-radius: var(--radius); overflow: hidden; }
.process__step { counter-increment: steps; min-height: 160px; padding: 25px 18px; border-right: 1px solid var(--line); position: relative; background: #101216; }
.process__step:last-child { border-right: 0; }
.process__step::before { content: counter(steps); display: grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background: var(--yellow); color: var(--black); font-weight: 900; margin-bottom: 15px; }
.process__step h3 { margin: 0 0 8px; font: 800 20px/1 Barlow Condensed; text-transform: uppercase; }
.process__step p { margin: 0; color: #aeb4bc; font-size: 12px; }

.filter-bar { display: flex; flex-wrap: wrap; gap: 8px; margin: 30px 0 20px; }
.filter-btn { min-height: 38px; padding: 0 17px; border: 1px solid var(--line); border-radius: 999px; background: transparent; color: #d4d8dd; font-size: 12px; font-weight: 700; }
.filter-btn.active, .filter-btn:hover { background: var(--yellow); color: var(--black); border-color: var(--yellow); }
.projects-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 12px; }
.project-card { border: 1px solid var(--line); background: #14161a; border-radius: 13px; overflow: hidden; }
.project-card[hidden] { display: none; }
.project-card__image { aspect-ratio: 4/3; overflow: hidden; position: relative; }
.project-card__image img { width: 100%; height: 100%; object-fit: cover; transition: .4s ease; }
.project-card:hover img { transform: scale(1.05); }
.project-card__image span { position: absolute; left: 10px; top: 10px; padding: 5px 8px; background: rgba(0,0,0,.74); border-radius: 4px; font-size: 9px; letter-spacing: .08em; }
.project-card__body { padding: 17px; }
.project-card__body h3 { margin: 0 0 7px; font: 800 21px/1 Barlow Condensed; text-transform: uppercase; }
.project-card__body p { margin: 0; color: #aeb4bc; font-size: 12px; }

.why-grid { display: grid; grid-template-columns: repeat(8,1fr); margin-top: 34px; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.why-item { min-height: 140px; padding: 22px 13px; text-align: center; border-right: 1px solid var(--line); background: #111317; }
.why-item:last-child { border-right: 0; }
.why-item svg { width: 29px; height: 29px; color: var(--yellow); margin-bottom: 12px; }
.why-item strong { display: block; font: 800 16px/1.05 Barlow Condensed; text-transform: uppercase; }

.contact-layout { display: grid; grid-template-columns: 1.05fr .95fr; gap: 18px; }
.form-card, .contact-card { border: 1px solid var(--line); background: #111317; border-radius: var(--radius); padding: 30px; }
.form-card h2, .contact-card h2 { margin: 0 0 8px; font: 800 34px/1 Barlow Condensed; text-transform: uppercase; }
.form-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 12px; margin-top: 20px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field--full { grid-column: 1/-1; }
.field label { font-size: 12px; color: #c8ccd1; font-weight: 700; }
.field input, .field textarea, .field select {
  width: 100%; min-height: 46px; border-radius: 8px; border: 1px solid rgba(255,255,255,.15);
  background: #0b0d10; color: #fff; padding: 11px 13px; outline: none;
}
.field textarea { min-height: 108px; resize: vertical; }
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--yellow); box-shadow: 0 0 0 3px rgba(255,229,0,.08); }
.form-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.form-status { min-height: 22px; margin: 12px 0 0; color: var(--yellow); font-size: 12px; }
.contact-list { display: grid; gap: 14px; margin: 24px 0; }
.contact-row { display: grid; grid-template-columns: 36px 1fr; gap: 12px; align-items: center; }
.contact-row__icon { width: 36px; height: 36px; border-radius: 9px; display: grid; place-items: center; color: var(--yellow); border: 1px solid rgba(255,229,0,.28); }
.contact-row strong { display: block; font-size: 12px; color: var(--yellow); text-transform: uppercase; letter-spacing: .08em; }
.contact-row span, .contact-row a { color: #d6dade; font-size: 14px; }
.map { min-height: 280px; border: 4px solid #fff; border-radius: 14px; overflow: hidden; background: #e8eaed; }
.map iframe { width: 100%; height: 280px; border: 0; }

.faq-list { max-width: 900px; margin: 34px auto 0; border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-question { width: 100%; border: 0; background: transparent; color: #fff; padding: 22px 4px; display: flex; justify-content: space-between; align-items: center; text-align: left; font-weight: 800; }
.faq-question span:last-child { color: var(--yellow); font-size: 25px; transition: .2s ease; }
.faq-item.open .faq-question span:last-child { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; color: #b7bdc5; transition: max-height .3s ease; }
.faq-answer p { margin: 0; padding: 0 4px 22px; }

.cta-final { padding: 60px 0; border-top: 1px solid rgba(255,229,0,.35); border-bottom: 1px solid rgba(255,229,0,.35); background: radial-gradient(circle at 10% 50%, rgba(255,229,0,.1), transparent 35%), #0d0f12; }
.cta-final__inner { width: var(--container); margin: auto; display: grid; grid-template-columns: 1.4fr auto; gap: 40px; align-items: center; }
.cta-final h2 { margin: 0; font: 900 clamp(38px,5vw,64px)/.92 Barlow Condensed; text-transform: uppercase; }
.cta-final p { margin: 13px 0 0; color: #bdc2c8; }
.cta-final__actions { display: flex; flex-direction: column; gap: 10px; min-width: 220px; }

.footer { background: #060708; padding: 54px 0 20px; }
.footer__grid { width: var(--container); margin: auto; display: grid; grid-template-columns: 1.1fr .8fr .8fr 1fr; gap: 42px; }
.footer__brand img { width: 180px; margin-bottom: 15px; }
.footer h3 { margin: 0 0 15px; color: var(--yellow); font: 800 18px/1 Barlow Condensed; text-transform: uppercase; }
.footer p, .footer a, .footer li { color: #aeb4bc; font-size: 12px; }
.footer ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.footer__bottom { width: var(--container); margin: 38px auto 0; padding-top: 18px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 20px; color: #7f858d; font-size: 11px; }

.mobile-bar { display: none; }
.whatsapp-float { position: fixed; right: 22px; bottom: 24px; z-index: 100; width: 58px; height: 58px; border-radius: 50%; background: #1fb45a; color: #fff; box-shadow: 0 12px 35px rgba(0,0,0,.36); display: grid; place-items: center; border: 3px solid rgba(255,255,255,.86); }
.whatsapp-float svg { width: 27px; height: 27px; }

.page-hero { min-height: 420px; display: flex; align-items: end; padding: 120px 0 72px; position: relative; background: linear-gradient(90deg, rgba(5,6,7,.92),rgba(5,6,7,.5)), url('assets/images/hero-desktop.webp') center/cover; }
.page-hero h1 { margin: 0; font: 900 clamp(52px,8vw,94px)/.88 Barlow Condensed; text-transform: uppercase; }
.page-hero p { max-width: 720px; color: #d3d7dc; font-size: 18px; }
.breadcrumb { margin-bottom: 18px; color: var(--yellow); font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.content-grid { display: grid; grid-template-columns: 1fr 360px; gap: 50px; align-items: start; }
.content-main h2 { font: 800 42px/1 Barlow Condensed; text-transform: uppercase; }
.content-main h3 { font: 800 28px/1 Barlow Condensed; text-transform: uppercase; color: var(--yellow); }
.content-main p, .content-main li { color: #c1c6cc; }
.content-main ul { padding-left: 18px; }
.sidebar { position: sticky; top: 104px; display: grid; gap: 14px; }
.sidebar-card { border: 1px solid var(--line); background: #111317; border-radius: var(--radius); padding: 24px; }
.sidebar-card h3 { margin: 0 0 10px; font: 800 25px/1 Barlow Condensed; text-transform: uppercase; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 1100px) {
  .header__inner { grid-template-columns: 140px 1fr auto; gap: 15px; }
  .nav { gap: 14px; }
  .nav a { font-size: 12px; }
  .header__actions .btn--outline { display: none; }
  .hero__grid { grid-template-columns: .7fr 1.3fr; }
  .service-choices { grid-template-columns: repeat(2,1fr); }
  .signal-grid { grid-template-columns: repeat(4,1fr); }
  .complementary-grid { grid-template-columns: repeat(2,1fr); }
  .projects-grid { grid-template-columns: repeat(3,1fr); }
  .why-grid { grid-template-columns: repeat(4,1fr); }
  .why-item:nth-child(4) { border-right: 0; }
  .why-item:nth-child(-n+4) { border-bottom: 1px solid var(--line); }
  .process { grid-template-columns: repeat(3,1fr); }
  .process__step:nth-child(3) { border-right: 0; }
  .process__step:nth-child(-n+3) { border-bottom: 1px solid var(--line); }
}

@media (max-width: 860px) {
  :root { --container: min(100% - 28px, 720px); --header-h: 68px; }
  body { padding-bottom: 68px; }
  .topbar { display: none; }
  .header__inner { grid-template-columns: 1fr auto; }
  .brand img { width: 128px; height: 57px; }
  .menu-toggle { display: flex; flex-direction: column; }
  .header__actions { display: none; }
  .nav {
    position: fixed; inset: var(--header-h) 0 0; z-index: 999;
    background: rgba(7,8,10,.98); display: flex; flex-direction: column; justify-content: flex-start; align-items: stretch; gap: 0;
    padding: 20px 20px 100px; transform: translateX(100%); transition: .28s ease; overflow-y: auto;
  }
  .menu-open .nav { transform: translateX(0); }
  .nav a { padding: 17px 7px; border-bottom: 1px solid var(--line); font-size: 20px; }
  .nav a::after { display: none; }
  .hero { min-height: calc(100svh - var(--header-h)); align-items: end; }
  .hero::before { background-image: url('assets/images/hero-mobile.webp'); background-position: center; }
  .hero::after { background: linear-gradient(180deg, rgba(4,5,6,.35), rgba(4,5,6,.66) 40%, rgba(4,5,6,.97) 82%); }
  .hero__grid { display: block; min-height: calc(100svh - var(--header-h)); }
  .hero__content { padding: 76px 0 128px; max-width: none; }
  .hero h1 { font-size: clamp(48px,14vw,76px); }
  .hero__lead { font-size: 15px; }
  .hero__trust { display: none; }
  .hero__actions .btn { flex: 1 1 180px; }
  .split, .feature-banner, .contact-layout, .content-grid { grid-template-columns: 1fr; gap: 30px; }
  .split--reverse .split__media { order: 0; }
  .split__media, .split__media img { min-height: 360px; }
  .feature-banner__image, .feature-banner__image img { min-height: 360px; }
  .feature-banner__content { padding: 30px; }
  .signal-grid { grid-template-columns: repeat(3,1fr); }
  .diagnostic-panel { grid-template-columns: 1fr; }
  .tab-panel.active { grid-template-columns: 1fr; }
  .tab-panel__image { min-height: 280px; }
  .projects-grid { grid-template-columns: repeat(2,1fr); }
  .contact-card { order: -1; }
  .footer__grid { grid-template-columns: repeat(2,1fr); }
  .cta-final__inner { grid-template-columns: 1fr; }
  .cta-final__actions { flex-direction: row; flex-wrap: wrap; }
  .mobile-bar { position: fixed; z-index: 999; display: grid; grid-template-columns: repeat(4,1fr); left: 0; right: 0; bottom: 0; height: 68px; background: rgba(7,8,9,.97); border-top: 1px solid rgba(255,229,0,.35); }
  .mobile-bar a { display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 4px; color: #d7dbe0; font-size: 9px; font-weight: 700; }
  .mobile-bar svg { width: 20px; height: 20px; color: var(--yellow); }
  .whatsapp-float { display: none; }
}

@media (max-width: 560px) {
  :root { --container: calc(100% - 24px); --radius: 14px; }
  .section { padding: 70px 0; }
  .section-title { font-size: 42px; }
  .hero__content { padding-top: 56px; }
  .hero__kicker { font-size: 12px; }
  .hero h1 { font-size: 53px; }
  .hero__tags { margin-top: 20px; }
  .hero__tag { font-size: 10px; padding: 6px 8px; }
  .service-choices { grid-template-columns: 1fr; }
  .choice-card { min-height: 0; }
  .check-grid { grid-template-columns: 1fr; }
  .signal-grid { grid-template-columns: repeat(2,1fr); }
  .signal { min-height: 105px; }
  .tab-list { grid-template-columns: 1fr; border-radius: 12px 12px 0 0; }
  .tab-btn { border-right: 0; border-bottom: 1px solid var(--line); }
  .tab-panel__content { padding: 25px; }
  .complementary-grid, .projects-grid { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr; }
  .process__step { border-right: 0; border-bottom: 1px solid var(--line); }
  .process__step:last-child { border-bottom: 0; }
  .why-grid { grid-template-columns: repeat(2,1fr); }
  .why-item { border-bottom: 1px solid var(--line); }
  .why-item:nth-child(even) { border-right: 0; }
  .why-item:nth-last-child(-n+2) { border-bottom: 0; }
  .form-grid { grid-template-columns: 1fr; }
  .field--full { grid-column: auto; }
  .form-card, .contact-card { padding: 22px; }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; }
  .page-hero { min-height: 330px; padding-bottom: 45px; }
  .page-hero h1 { font-size: 56px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}
