:root {
  --bg: #070B1F;
  --bg-2: #0A0F28;
  --bg-3: #04061A;
  --surface: #0E1430;
  --surface-2: #121A3D;
  --blue: #2B4BE0;
  --blue-light: #8FA3FF;
  --navy: #0C1849;
  --light: #F4F6FF;
  --green: #3DDC97;
  --text: #FFFFFF;
  --text-2: #B8C0DA;
  --text-3: #8C95B3;
  --line: rgba(255, 255, 255, 0.08);
  --font-display: "Sora", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-accent: "Instrument Serif", Georgia, serif;
  --radius: 20px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: var(--blue-light); text-decoration: none; }
a:hover { color: var(--text); }
h1, h2, h3 { margin: 0; font-family: var(--font-display); font-weight: 700; }
p { margin: 0; }
input, textarea, select, button { font: inherit; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.serif { font-family: var(--font-accent); font-style: italic; font-weight: 400; color: var(--blue-light); letter-spacing: -0.01em; }
.eyebrow { font-size: 13px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--blue-light); font-weight: 600; }
.section-title { font-size: clamp(32px, 4vw, 52px); line-height: 1.1; letter-spacing: -0.02em; }
.lead { font-size: 18px; line-height: 1.65; color: var(--text-2); }
.grid-bg {
  background-color: var(--bg);
  background-image:
    linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
  background-size: 64px 64px;
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 0 28px; border-radius: 999px;
  font-weight: 600; font-size: 16px; border: 0; cursor: pointer;
  transition: transform .15s ease, background-color .15s ease, color .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn svg { width: 18px; height: 18px; }
.btn-white { background: #fff; color: var(--navy); }
.btn-white:hover { color: var(--blue); }
.btn-blue { background: var(--blue); color: #fff; min-height: 44px; padding: 0 22px; font-size: 15px; }
.btn-blue:hover { background: #3D5BFF; color: #fff; }
.btn-link { color: #fff; padding: 0 20px; border-radius: 0; border-bottom: 2px solid var(--blue); }
.btn-whatsapp { background: var(--green); color: #04261A; border-radius: 12px; font-weight: 700; }
.btn-whatsapp:hover { color: #04261A; }
.btn-outline-dark { background: transparent; border: 1.5px solid var(--navy); color: var(--navy); min-height: 44px; padding: 0 20px; font-size: 15px; }
.btn-outline-dark:hover { background: var(--navy); color: #fff; }
.btn-navy { background: var(--navy); color: #fff; border-radius: 12px; width: 100%; }
.btn-navy:hover { background: var(--blue); }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(7, 11, 31, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; color: #fff; }
.brand img { width: 36px; height: 36px; }
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-name { font-family: var(--font-display); font-weight: 800; font-size: 20px; letter-spacing: 0.02em; }
.brand-sub { font-size: 10px; letter-spacing: 0.42em; color: var(--blue-light); margin-top: 4px; }
.nav-links { display: flex; gap: 28px; align-items: center; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: #C9D0E8; font-size: 15px; }
.nav-links a:hover { color: #fff; }
.nav-toggle {
  display: none; width: 44px; height: 44px; border-radius: 10px;
  background: transparent; border: 1px solid var(--line); color: #fff; cursor: pointer;
  align-items: center; justify-content: center;
}
.nav-toggle svg { width: 22px; height: 22px; }

/* Hero */
.hero { padding: 96px 0 72px; }
.hero-grid { display: flex; flex-wrap: wrap; align-items: center; gap: 56px; }
.hero-copy { flex: 1 1 480px; min-width: 0; display: flex; flex-direction: column; gap: 28px; }
.badge {
  align-self: flex-start; display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 14px; border: 1px solid rgba(143, 163, 255, 0.3); border-radius: 999px;
  font-size: 13px; color: #C9D0E8;
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); flex: none; }
.dot-pulse { animation: pulse 2s infinite; }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(61, 220, 151, .6); }
  70% { box-shadow: 0 0 0 8px rgba(61, 220, 151, 0); }
  100% { box-shadow: 0 0 0 0 rgba(61, 220, 151, 0); }
}
.hero h1 { font-size: clamp(40px, 5.2vw, 68px); line-height: 1.05; letter-spacing: -0.03em; }
.hero h1 .serif { white-space: nowrap; }
.hero .lead { max-width: 560px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; margin-top: 8px; }

.hero-visual { flex: 1 1 440px; min-width: 0; position: relative; height: 480px; }
.browser {
  position: absolute; left: 0; top: 24px; width: 86%; height: 320px;
  border-radius: 16px; background: var(--surface); border: 1px solid rgba(255, 255, 255, 0.1); overflow: hidden;
}
.browser-bar { display: flex; align-items: center; gap: 8px; padding: 14px 16px; border-bottom: 1px solid var(--line); }
.browser-bar span.c { width: 10px; height: 10px; border-radius: 50%; }
.browser-url {
  margin-left: 12px; flex: 1; height: 24px; border-radius: 6px; background: rgba(255, 255, 255, 0.06);
  font-size: 12px; color: var(--text-3); display: flex; align-items: center; padding: 0 10px;
}
.browser-body { padding: 24px; display: flex; flex-direction: column; gap: 14px; }
.sk { border-radius: 4px; }
.sk-title { height: 18px; background: rgba(255, 255, 255, 0.85); }
.sk-line { height: 10px; background: rgba(255, 255, 255, 0.18); }
.sk-row { display: flex; gap: 10px; margin-top: 8px; }
.sk-btn { width: 110px; height: 34px; border-radius: 999px; background: var(--blue); }
.sk-btn-o { width: 90px; height: 34px; border-radius: 999px; border: 1px solid rgba(255, 255, 255, 0.25); }
.sk-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-top: 10px; }
.sk-cards div { height: 56px; border-radius: 8px; background: rgba(43, 75, 224, 0.25); }

.flow-card {
  position: absolute; right: 0; top: 0; width: 280px; padding: 18px; border-radius: 16px;
  background: var(--surface-2); border: 1px solid rgba(143, 163, 255, 0.25);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.4); display: flex; flex-direction: column; gap: 14px;
  animation: float 6s ease-in-out infinite;
}
.flow-head { display: flex; align-items: center; justify-content: space-between; font-size: 13px; font-weight: 600; }
.flow-status { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--green); font-weight: 500; }
.flow-steps { display: flex; flex-direction: column; gap: 8px; }
.flow-step {
  display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 10px;
  background: rgba(255, 255, 255, 0.05); font-size: 13px; color: #DDE2F3;
}
.flow-step svg { width: 18px; height: 18px; color: var(--blue-light); flex: none; }
.flow-step.active { background: var(--blue); color: #fff; }
.flow-step.active svg { color: #fff; }
.flow-link { width: 2px; height: 10px; background: rgba(143, 163, 255, 0.4); margin-left: 20px; }

.terminal {
  position: absolute; right: 8%; bottom: 0; width: 300px; padding: 16px 18px; border-radius: 14px;
  background: var(--bg-3); border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.45);
  font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 13px; line-height: 1.8; color: var(--text-2);
  animation: float 7s ease-in-out infinite reverse;
}
.terminal .muted { color: var(--text-3); }
.terminal .white { color: #fff; }
.terminal .ok { color: var(--green); }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }

.tech { margin-top: 80px; display: flex; flex-direction: column; gap: 20px; align-items: center; }
.tech-label { font-size: 13px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-3); text-align: center; }
.marquee {
  width: 100%; overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee-track { display: flex; width: max-content; animation: marquee 30s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.tech-list {
  display: flex; flex: none; gap: 56px; padding-right: 56px; list-style: none; margin: 0;
  font-family: var(--font-display); font-weight: 600; font-size: 20px; color: var(--text-3); white-space: nowrap;
}
.tech-list li { transition: color .2s ease; }
.tech-list li:hover { color: #fff; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* Services */
.services { position: relative; background: var(--bg-2); padding: 112px 0 120px; overflow: hidden; }
.services-band {
  position: absolute; left: 0; right: 0; bottom: 0; height: 68%;
  background: var(--blue); clip-path: polygon(0 18%, 100% 0, 100% 100%, 0 100%);
}
.services .container { position: relative; display: flex; flex-direction: column; gap: 64px; }
.section-head { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 18px; }
.section-head .section-title { max-width: 760px; }
.section-head .lead { max-width: 640px; }
.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.card {
  display: flex; flex-direction: column; gap: 16px; padding: 32px 28px; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--line); min-height: 240px;
  transition: translate .2s ease, border-color .25s ease, background-color .25s ease;
}
.card:hover { translate: 0 -4px; background: #1A2560; border-color: rgba(143, 163, 255, 0.55); }
.card:hover .card-icon { background: var(--blue); color: #fff; }
.card:hover p { color: #D3D9F0; }

/* Las filas impares entran desde la derecha y las pares desde la izquierda (ver script.js) */
.card.slide {
  opacity: 0;
  transition: opacity .8s ease, transform .9s cubic-bezier(.16, 1, .3, 1), translate .2s ease, border-color .25s ease, background-color .25s ease;
}
.card.slide.from-right { transform: translateX(120px); }
.card.slide.from-left { transform: translateX(-120px); }
.card.slide.visible { opacity: 1; transform: none; }

/* Avioncito de papel */
.paper-plane {
  position: absolute; top: 96px; left: calc(50% + 606px); width: 180px; height: auto;
  stroke: rgba(255, 255, 255, 0.75); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
  pointer-events: none;
}
.plane-trail { stroke-dasharray: 5 8; animation: trail 1.6s linear infinite; }
.plane-body { animation: plane-float 4s ease-in-out infinite; transform-box: fill-box; transform-origin: center; }
@keyframes trail { to { stroke-dashoffset: 26; } }
@keyframes plane-float {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  50% { transform: translate(-4px, 4px) rotate(-3deg); }
}
.card-icon {
  width: 52px; height: 52px; border-radius: 14px; background: rgba(43, 75, 224, 0.18);
  display: flex; align-items: center; justify-content: center; color: var(--blue-light);
  transition: background-color .25s ease, color .25s ease;
}
.card-icon svg { width: 26px; height: 26px; }
.card h3 { font-size: 22px; line-height: 1.25; }
.card p { font-size: 15px; line-height: 1.6; color: var(--text-2); transition: color .25s ease; }

/* About */
.about { padding: 120px 0; }
.about-grid { display: flex; flex-wrap: wrap; align-items: center; gap: 64px; }
.about-media {
  flex: 1 1 420px; min-width: 0; aspect-ratio: 1 / 1; max-height: 520px; border-radius: 24px;
  background: var(--surface); border: 1px dashed rgba(143, 163, 255, 0.35);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px;
  color: var(--text-3); font-size: 14px; overflow: hidden;
}
.about-media svg { width: 40px; height: 40px; }
.about-media img { width: 100%; height: 100%; object-fit: cover; object-position: 58% center; }
.about-media.has-image { border: 1px solid rgba(143, 163, 255, 0.2); box-shadow: 0 30px 60px rgba(0, 0, 0, 0.35); }
.about-copy { flex: 1 1 480px; min-width: 0; display: flex; flex-direction: column; gap: 24px; }
.about-copy h2 { font-size: clamp(34px, 4.2vw, 56px); line-height: 1.15; letter-spacing: -0.02em; }
.highlight { background: var(--blue); padding: 0 12px; border-radius: 6px; }

/* Palabra que se selecciona, se borra y se reescribe (ver script.js) */
/* Todas las palabras ocupan la misma celda: el ancho es siempre el de la más larga y nada se mueve */
.word-swap { display: inline-grid; justify-items: start; white-space: nowrap; }
.word-swap > span { grid-area: 1 / 1; }
.word-swap-sizer { visibility: hidden; padding: 0 6px 0 6px; margin-right: 6px; }
.word-swap-text {
  padding: 0 6px; border-radius: 6px;
  background: linear-gradient(var(--blue), var(--blue)) no-repeat left center / 0% 100%;
  transition: background-size .45s ease;
}
.word-swap.selected .word-swap-text { background-size: 100% 100%; }
.word-swap-text::after {
  content: ""; display: inline-block; width: 4px; height: .85em; margin-left: 2px; margin-right: -6px;
  vertical-align: -0.08em; background: var(--blue-light); border-radius: 2px;
  animation: caret 1s steps(1) infinite;
}
.word-swap.selected .word-swap-text::after { visibility: hidden; }
.word-swap.typing .word-swap-text::after { animation: none; }
@keyframes caret { 50% { opacity: 0; } }
.about-strong { font-size: 18px; font-weight: 600; }
.about-copy .body { font-size: 17px; line-height: 1.75; color: var(--text-2); }
.about-copy strong { color: var(--blue-light); font-weight: 600; }
.checks { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 12px; }
.checks li { display: flex; gap: 12px; align-items: center; font-size: 16px; color: #DDE2F3; }
.checks svg { width: 20px; height: 20px; color: var(--green); flex: none; }
.about-copy .btn-whatsapp { align-self: flex-start; margin-top: 8px; }
.about-copy .btn-whatsapp svg { width: 20px; height: 20px; }

/* Process */
.process { padding: 112px 0; border-top: 1px solid rgba(255, 255, 255, 0.06); }
.process .container, .projects .container { display: flex; flex-direction: column; gap: 56px; }
.split-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 24px; }
.split-head > div { display: flex; flex-direction: column; gap: 16px; max-width: 620px; }
.split-head > p { font-size: 17px; line-height: 1.65; color: var(--text-2); max-width: 400px; }
.steps { margin: 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.step {
  display: flex; flex-direction: column; gap: 14px; padding: 28px; border-radius: var(--radius);
  background: rgba(14, 20, 48, 0.85); border: 1px solid var(--line);
}
.step-n { font-family: var(--font-display); font-weight: 800; font-size: 44px; line-height: 1; color: var(--blue); }
.step h3 { font-size: 20px; }
.step p { font-size: 15px; line-height: 1.6; color: var(--text-2); }

/* Projects */
.projects { background: var(--light); color: var(--navy); padding: 112px 0; }
.projects .container { gap: 48px; }
.projects .eyebrow { color: #2340C4; }
.project-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.project {
  display: flex; flex-direction: column; border-radius: var(--radius); background: #fff;
  border: 1px solid #DFE4F5; overflow: hidden; transition: transform .2s ease, box-shadow .2s ease;
}
.project[hidden] { display: none; }
.project:hover { transform: translateY(-4px); box-shadow: 0 20px 40px rgba(12, 24, 73, 0.12); }
.project-media {
  aspect-ratio: 4 / 3; background: #E3E8FA; display: flex; align-items: center; justify-content: center;
  color: #5A6690; font-size: 14px;
}
.project-media { position: relative; overflow: hidden; }
.project-media:has(video) { cursor: zoom-in; }
.project-media:has(video)::after {
  content: "Ver en grande"; position: absolute; right: 14px; bottom: 14px; padding: 6px 12px; border-radius: 999px;
  background: rgba(12, 24, 73, 0.82); color: #fff; font-size: 13px; font-weight: 600;
  opacity: 0; transform: translateY(4px); transition: opacity .2s ease, transform .2s ease; pointer-events: none;
}
.project:hover .project-media::after, .project-media:focus-visible::after { opacity: 1; transform: none; }
.project-media:focus-visible { outline: 3px solid var(--blue); outline-offset: -3px; }
@media (hover: none) { .project-media:has(video)::after { opacity: 1; transform: none; } }
.project-media img, .project-media video { display: block; width: 100%; height: 100%; object-fit: cover; object-position: top; }
.project-body { padding: 24px; display: flex; flex-direction: column; gap: 10px; }
.tag { align-self: flex-start; padding: 4px 10px; border-radius: 999px; background: #E6EBFF; color: #2340C4; font-size: 12px; font-weight: 600; }
.project h3 { font-size: 20px; }
.project p { font-size: 15px; line-height: 1.6; color: #4A5578; }
.project p a { color: #2340C4; font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }
.project p a:hover { color: var(--navy); }
.project-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 4px; font-size: 15px; font-weight: 600; color: #2340C4; }
.project-link svg { width: 16px; height: 16px; transition: transform .2s ease; }
.project-link:hover svg { transform: translate(2px, -2px); }

/* Video en grande */
html:has(.video-modal[open]) { overflow: hidden; }
.video-modal {
  width: min(1100px, calc(100vw - 32px), calc((100vh - 120px) * 4 / 3)); max-width: none; max-height: none; padding: 0; border: 0;
  background: transparent; overflow: visible;
}
.video-modal::backdrop { background: rgba(4, 6, 26, 0.88); backdrop-filter: blur(6px); }
.video-modal video {
  display: block; width: 100%; max-height: calc(100vh - 120px); border-radius: var(--radius);
  background: #000; box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
}
.video-modal-close {
  position: absolute; top: -56px; right: 0; width: 44px; height: 44px; border: 0; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; background: rgba(255, 255, 255, 0.12); color: #fff; cursor: pointer;
  transition: background .2s ease;
}
.video-modal-close:hover { background: rgba(255, 255, 255, 0.24); }
.video-modal-close svg { width: 22px; height: 22px; }

/* Contact */
.contact {
  padding: 120px 0;
  background-color: var(--blue);
  background-image:
    linear-gradient(rgba(255, 255, 255, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .06) 1px, transparent 1px);
  background-size: 64px 64px;
}
.contact-box { display: flex; flex-wrap: wrap; gap: 48px 96px; align-items: center; }
.contact-copy { flex: 1 1 420px; min-width: 0; display: flex; flex-direction: column; gap: 24px; }
.contact-copy .section-title { font-size: clamp(36px, 4.6vw, 60px); }
.contact-copy .serif { color: #fff; }
.contact-copy .lead { color: #E4E9FF; }
.contact-links { display: flex; flex-direction: column; gap: 12px; margin-top: 12px; font-size: 16px; }
.contact-links a { display: flex; align-items: center; gap: 12px; color: #fff; }
.contact-links a:hover { text-decoration: underline; }
.contact-links svg { width: 20px; height: 20px; flex: none; }
.form {
  flex: 1 1 480px; min-width: 0; display: flex; flex-direction: column; gap: 16px;
  padding: 40px; border-radius: var(--radius); background: #fff; color: var(--navy);
  box-shadow: 0 30px 60px rgba(4, 6, 26, 0.3);
}
.form-row { display: flex; flex-wrap: wrap; gap: 16px; }
.form-row label { flex: 1 1 180px; }
.form label { display: flex; flex-direction: column; gap: 6px; font-size: 14px; font-weight: 600; }
.form input, .form select, .form textarea {
  min-height: 48px; padding: 0 14px; border-radius: 10px; border: 1px solid #C9D0E8;
  font-size: 15px; color: var(--navy); background: #fff; font-weight: 400;
}
.form textarea { padding: 12px 14px; resize: vertical; }
.form label, .form-row label { min-width: 0; }
.form input, .form select, .form textarea { width: 100%; min-width: 0; }
.form input:focus, .form select:focus, .form textarea:focus { outline: 2px solid var(--blue); outline-offset: 1px; border-color: transparent; }

/* Footer */
.footer { background: var(--bg-3); padding: 56px 0 32px; border-top: 1px solid rgba(255, 255, 255, 0.06); }
.footer .container { display: flex; flex-direction: column; gap: 40px; }
.footer-top { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 32px; }
.footer-brand { display: flex; flex-direction: column; gap: 14px; max-width: 320px; }
.footer-brand p { font-size: 14px; line-height: 1.6; color: var(--text-3); }
.footer-cols { display: flex; flex-wrap: wrap; gap: 56px; font-size: 14px; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col span { color: #fff; font-weight: 600; }
.footer-bottom { padding-top: 24px; border-top: 1px solid var(--line); font-size: 13px; color: var(--text-3); }

/* Floating WhatsApp */
.wa-float {
  position: fixed; right: 24px; bottom: 24px; z-index: 60; width: 60px; height: 60px; border-radius: 18px;
  background: #25D366; color: #fff; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35); transition: transform .15s ease;
}
.wa-float:hover { color: #fff; transform: scale(1.06); }
.wa-float svg { width: 30px; height: 30px; }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* Responsive */
@media (max-width: 1360px) {
  .paper-plane { display: none; }
}

@media (max-width: 960px) {
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 880px) {
  .nav-toggle { display: inline-flex; }
  .nav-links {
    position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bg); border-bottom: 1px solid var(--line); padding: 8px 24px 16px; display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { display: block; padding: 14px 0; font-size: 17px; border-bottom: 1px solid var(--line); }
  .nav .btn-blue { display: none; }
  /* Hero en mobile: solo texto, botones y tecnologías, entrando completo en la pantalla */
  .hero { min-height: calc(100svh - 72px); display: flex; padding: 40px 0 32px; }
  .hero > .container { width: 100%; display: flex; flex-direction: column; justify-content: center; gap: 56px; }
  .hero-visual { display: none; }
  .tech { margin-top: 0; }
}

@media (max-width: 600px) {
  .cards { grid-template-columns: minmax(0, 1fr); }
  .card.slide.from-right:not(.visible) { transform: translateX(60px); }
  .card.slide.from-left:not(.visible) { transform: translateX(-60px); }

  /* Espaciado general */
  .container { padding: 0 20px; }
  .services, .process, .projects, .contact { padding: 72px 0; }
  .about { padding: 72px 0; }
  .services .container { gap: 40px; }
  .process .container, .projects .container { gap: 36px; }
  .about-grid { gap: 36px; }
  .lead { font-size: 17px; }

  /* Portada */
  .hero-copy { gap: 22px; }
  .badge { font-size: 12px; }
  .hero-actions { flex-direction: column; align-items: stretch; gap: 8px; }
  .hero-actions .btn-link { align-self: center; border-bottom: 0; text-decoration: underline; text-decoration-color: var(--blue); text-decoration-thickness: 2px; text-underline-offset: 8px; }
  .tech-label { font-size: 12px; letter-spacing: 0.1em; }
  .tech-list { font-size: 18px; gap: 40px; padding-right: 40px; }

  /* Servicios */
  .services-band { height: 82%; clip-path: polygon(0 6%, 100% 0, 100% 100%, 0 100%); }
  .card { min-height: 0; padding: 26px 22px; gap: 12px; }
  .card h3 { font-size: 20px; }

  /* Nosotros */
  .about-media { aspect-ratio: 4 / 3; flex-basis: auto; width: 100%; }
  .about-copy { flex-basis: auto; gap: 20px; }
  .about-copy h2 { font-size: 30px; }
  .about-copy .btn-whatsapp { align-self: stretch; }

  /* Proceso */
  .step { padding: 22px; gap: 10px; }
  .step-n { font-size: 36px; }

  /* Proyectos */
  .project-media { aspect-ratio: 16 / 10; }
  .project-body { padding: 20px; }

  /* Contacto */
  .contact-box { gap: 40px; }
  .form { padding: 24px 20px; flex-basis: auto; }
  .contact-copy { flex-basis: auto; }
  .contact-links a { word-break: break-word; }

  /* Footer */
  .footer-cols { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 24px; width: 100%; }

  .wa-float { right: 16px; bottom: 16px; width: 54px; height: 54px; border-radius: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal, .card.slide { opacity: 1; transform: none; }
  .word-swap-text::after { display: none; }
  .word-swap-text { background-size: 100% 100%; }
  .marquee { -webkit-mask-image: none; mask-image: none; }
  .marquee-track { width: auto; justify-content: center; }
  .marquee-track .tech-list { flex-wrap: wrap; justify-content: center; gap: 16px 40px; padding: 0; }
  .marquee-track .tech-list[aria-hidden] { display: none; }
}