/* DRN — web v3. Estructura de estudio creativo, identidad DRN. */
:root {
  --lila: #7860FF;
  --lila-soft: #EFECFF;
  --ink: #1A1B1D;
  --ink-2: #3E4042;
  --mute: #6B6E72; /* el #8A8D91 de marca no llega a 4,5:1 sobre blanco en texto pequeño */
  --lila-text: #6A50F5; /* lila oscurecido para texto pequeño sobre blanco */
  --line: #E4E5E7;
  --fog: #F6F6F7;
  --fog-2: #EDEDEF;
  --white: #FFFFFF;
  --black: #0E0E0F;
  --on-dark: #E8E8EA;
  --on-dark-mute: rgba(232, 232, 234, .55);

  --pad: clamp(16px, 2.4vw, 32px);
  --sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --ease: cubic-bezier(.2, .7, .1, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--white); color: var(--ink); font: 400 16px/1.5 var(--sans); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button, input { font: inherit; color: inherit; background: none; border: 0; }
button { cursor: pointer; }
h1, h2, h3, h4 { font-weight: 400; font-size: inherit; }

.muted { color: var(--mute); }
.sec { padding: clamp(80px, 10vw, 140px) var(--pad); }
.dark { background: var(--black); color: var(--on-dark); }
.dark .muted { color: var(--on-dark-mute); }

/* Cabecera de sección: 02  Título ........ texto */
.sec-head { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 56px; }
.sec-head .tag { display: flex; gap: 14px; }
.sec-head .tag b { font-weight: 400; color: var(--lila-text); }
.dark .sec-head .tag b { color: var(--lila); }
.sec-head h2 { grid-column: 1; font-size: clamp(26px, 2.6vw, 34px); line-height: 1.12; letter-spacing: -.02em; text-transform: uppercase; max-width: 16ch; margin-top: 12px; }
.sec-head p { grid-column: 2; grid-row: 1 / span 2; justify-self: end; max-width: 300px; color: var(--mute); }

/* Botón con texto que rueda */
.btn { display: inline-flex; align-items: center; height: 46px; padding: 0 20px; background: var(--ink); color: var(--white); font-size: 15px; overflow: hidden; transition: background .3s; }
.btn:hover { background: var(--lila); }
.btn.light { background: var(--white); color: var(--ink); }
.btn.light:hover { background: var(--lila); color: var(--white); }
.btn .t { display: grid; height: 1.3em; line-height: 1.3em; overflow: hidden; }
.btn .t span { transition: transform .45s var(--ease); }
.btn:hover .t span { transform: translateY(-100%); }

/* ---------- Cabecera y menú ---------- */
.header { position: fixed; inset: 0 0 auto; z-index: 60; display: flex; justify-content: space-between; align-items: center; padding: 16px var(--pad); color: var(--on-dark); transition: background .35s, color .35s; }
.header.solid { background: var(--white); color: var(--ink); }
.menu-open .header { background: transparent; color: var(--on-dark); }
.logo { font: 700 20px/1 var(--sans); letter-spacing: -.8px; display: inline-flex; align-items: flex-end; gap: 2px; }
.logo i { width: 5px; height: 5px; border-radius: 50%; background: var(--lila); margin-bottom: 2px; }
.menu-btn { font-size: 14px; letter-spacing: .06em; text-transform: uppercase; }
.menu-btn .t { display: grid; height: 1.3em; line-height: 1.3em; overflow: hidden; }
.menu-btn .t span { transition: transform .45s var(--ease); }
.menu-open .menu-btn .t span { transform: translateY(-100%); }

.menu { position: fixed; inset: 0; z-index: 55; background: var(--black); color: var(--on-dark); display: grid; align-content: end; padding: 96px var(--pad) 32px; clip-path: inset(0 0 100% 0); transition: clip-path .8s cubic-bezier(.7, 0, .2, 1); }
.menu-open .menu { clip-path: inset(0); }
.menu nav a { display: block; overflow: hidden; font-size: clamp(48px, 9vw, 120px); line-height: 1; letter-spacing: -.04em; text-transform: uppercase; font-weight: 500; }
.menu nav a span { display: inline-block; transform: translateY(100%); transition: transform .8s var(--ease), color .3s; transition-delay: calc(var(--i) * 60ms + .2s); }
.menu-open .menu nav a span { transform: none; }
.menu nav a:hover span { color: var(--lila); }
.menu .foot { display: flex; justify-content: space-between; margin-top: 48px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.14); font-size: 14px; color: var(--on-dark-mute); }

/* ---------- Hero ---------- */
.hero { position: relative; height: 100svh; min-height: 620px; overflow: hidden; color: var(--on-dark); background: var(--black); }
.hero-bg { position: absolute; inset: -10% 0 0; will-change: transform;
  background:
    radial-gradient(35% 45% at 62% 42%, rgba(120, 96, 255, .55), transparent 70%),
    radial-gradient(28% 30% at 30% 70%, rgba(255, 140, 90, .35), transparent 70%),
    radial-gradient(60% 60% at 50% 50%, #2a2733, transparent 80%),
    var(--black); }
.hero-bg::after { content: ""; position: absolute; inset: 0; opacity: .22; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }
.hero h1 { position: absolute; top: 96px; left: var(--pad); font-size: clamp(28px, 3.6vw, 44px); line-height: 1.12; text-transform: uppercase; letter-spacing: -.01em; }
.hero h1 .ln { display: block; overflow: hidden; }
.hero h1 .ln span { display: block; transform: translateY(105%); transition: transform 1s var(--ease); transition-delay: calc(var(--i) * 90ms + .3s); }
.loaded .hero h1 .ln span { transform: none; }
.hero .thumb { position: absolute; top: 92px; right: var(--pad); width: clamp(120px, 15vw, 200px); aspect-ratio: 1; background: radial-gradient(60% 60% at 40% 35%, #ffb58a, transparent 70%), linear-gradient(160deg, var(--lila), #2a2050); clip-path: inset(100% 0 0 0); transition: clip-path 1.1s var(--ease) .7s; }
.loaded .hero .thumb { clip-path: inset(0); }
.hero .disc { position: absolute; left: var(--pad); right: var(--pad); bottom: calc(var(--wm, 22vw) + 16px); display: flex; justify-content: space-between; font-size: clamp(13px, 1.3vw, 18px); text-transform: uppercase; opacity: 0; transition: opacity 1s .9s; }
.loaded .hero .disc { opacity: 1; }
.wordmark { display: flex; align-items: flex-end; white-space: nowrap; font-weight: 700; letter-spacing: -.055em; line-height: .78; overflow: hidden; padding-top: .04em; }
.wordmark .pt { display: inline-block; width: .17em; height: .17em; border-radius: 50%; background: var(--lila); margin: 0 0 .02em .05em; transform: scale(0); transition: transform .6s var(--ease) .4s; }
.loaded .hero .wordmark .pt, .wordmark.in .pt { transform: none; }
.wordmark span { display: inline-block; transform: translateY(105%); transition: transform 1.1s var(--ease); transition-delay: calc(var(--i) * 70ms); }
.loaded .hero .wordmark span, .wordmark.in span { transform: none; }
.hero .wordmark { position: absolute; left: var(--pad); right: var(--pad); bottom: 12px; font-size: 30vw; color: rgba(232, 232, 234, .82); }

/* ---------- Quiénes somos ---------- */
.about .eyebrow { margin-bottom: 18px; }
.about .lead { font-size: clamp(24px, 2.8vw, 36px); line-height: 1.22; letter-spacing: -.02em; font-weight: 500; max-width: 30ch; }
.about .lead .w { color: #8A8D91; transition: color .25s; }
.about .lead .w.lit { color: var(--ink); }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 72px; }
.stat b { display: block; font-weight: 500; font-size: clamp(64px, 9vw, 120px); line-height: 1; letter-spacing: -.04em; }
.stat span { color: var(--mute); }
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; padding: 0 var(--pad); align-items: start; }
.gallery div { aspect-ratio: 3 / 4; will-change: transform; }
.gallery div:nth-child(2) { margin-top: 80px; }
.ga { background: radial-gradient(50% 50% at 50% 40%, #ff9d73, transparent 75%), linear-gradient(180deg, #c84a2b, #6e1f12); }
.gb { background: radial-gradient(50% 50% at 50% 35%, #f6d5e4, transparent 75%), linear-gradient(180deg, var(--lila-soft), #b9a8ff); }
.gc { background: radial-gradient(45% 45% at 55% 30%, #e7f0e6, transparent 75%), linear-gradient(180deg, #8fa395, #2f3b33); }
.logos { padding: 96px var(--pad) 0; }
.logos h2 { font-size: 19px; font-weight: 500; letter-spacing: -.02em; margin-bottom: 24px; }
.logos ul { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.logos li { aspect-ratio: 16 / 9; background: var(--fog); display: grid; place-items: center; font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--mute); transition: background .3s, color .3s; }
.logos li:hover { background: var(--ink); color: var(--white); }

/* ---------- Trabajo: palabra fija + proyectos que pasan por encima ---------- */
.works { position: relative; padding: 0 var(--pad) 120px; }
.works-word { position: sticky; top: 0; height: 100vh; display: grid; place-items: center; pointer-events: none; z-index: 0; }
.works-word span { font-weight: 800; font-stretch: condensed; font-size: clamp(90px, 13vw, 190px); line-height: 1; letter-spacing: -.02em; text-transform: uppercase; transform: scaleX(.78); }
.works-list { position: relative; z-index: 1; margin-top: -60vh; display: grid; gap: 22vh; }
.project { width: min(46%, 560px); }
.project:nth-child(even) { justify-self: end; }
.project .img { aspect-ratio: 4 / 5; overflow: hidden; }
.project .img div { width: 100%; height: 100%; transform: scale(1.12); transition: transform 1.2s var(--ease); }
.project:hover .img div { transform: scale(1); }
.project .meta { display: flex; justify-content: space-between; padding-top: 12px; font-size: 19px; font-weight: 500; letter-spacing: -.02em; text-transform: uppercase; }
.p1 { background: radial-gradient(55% 45% at 50% 35%, #ffb59a, transparent 70%), linear-gradient(180deg, #d63b2a, #7b1a12); }
.p2 { background: radial-gradient(55% 45% at 50% 40%, #ffffff, transparent 70%), linear-gradient(180deg, #c9c9cf, #6c6c74); }
.p3 { background: radial-gradient(55% 45% at 45% 40%, #d9d1ff, transparent 70%), linear-gradient(180deg, var(--lila), #241a60); }
.p4 { background: radial-gradient(55% 45% at 55% 35%, #f4e6cf, transparent 70%), linear-gradient(180deg, #b48a5a, #3d2b18); }

/* ---------- Servicios ---------- */
.services .sec-head h2, .services .sec-head .tag { color: var(--on-dark); }
.service { display: grid; grid-template-columns: 1fr 1fr auto; gap: 16px 32px; padding: 36px 0; border-top: 1px solid rgba(255,255,255,.12); }
.service .n { font-size: 26px; letter-spacing: -.03em; color: var(--lila); }
.service h3 { grid-column: 1 / 3; font-size: 26px; letter-spacing: -.03em; margin-top: 56px; }
.service .chips { grid-column: 1 / 3; display: flex; flex-wrap: wrap; gap: 8px; }
.service .chips li { font-size: 13px; padding: 6px 10px; border: 1px solid rgba(255,255,255,.18); transition: border-color .3s, color .3s; }
.service:hover .chips li { border-color: var(--lila); }
.service p { grid-column: 1 / 3; font-size: 18px; max-width: 34ch; color: var(--on-dark-mute); }
.service .pic { grid-column: 3; grid-row: 1 / span 4; width: clamp(110px, 12vw, 160px); aspect-ratio: 4 / 5; align-self: start; overflow: hidden; }
.service .pic div { width: 100%; height: 100%; transform: scale(1.15); filter: grayscale(1); transition: transform 1s var(--ease), filter .6s; }
.service:hover .pic div { transform: scale(1); filter: none; }

/* ---------- Packs ---------- */
.plans { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.plan { background: var(--fog); padding: clamp(24px, 3vw, 36px); display: flex; flex-direction: column; }
.plan.dark { background: var(--black); }
.plan .top { display: flex; justify-content: space-between; align-items: center; }
.plan h3 { font-size: 20px; font-weight: 500; letter-spacing: -.02em; }
.plan .badge { font-size: 13px; background: var(--white); color: var(--ink); padding: 4px 10px; }
.plan > p { color: var(--mute); margin-top: 10px; max-width: 40ch; }
.plan.dark > p, .plan.dark li { color: var(--on-dark-mute); }
.plan .price { font-size: 44px; font-weight: 500; letter-spacing: -.03em; margin: 28px 0 22px; }
.plan .price small { font-size: 16px; font-weight: 400; color: var(--mute); margin-left: 6px; letter-spacing: 0; }
.plan .btn { align-self: flex-start; }
.plan ul { margin-top: 32px; display: grid; gap: 14px; }
.plan li { display: flex; gap: 12px; color: var(--mute); }
.plan li::before { content: "✓"; color: var(--lila); }

/* ---------- Testimonios ---------- */
.quote { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.quote .pic { aspect-ratio: 1; max-width: 520px; background: radial-gradient(45% 40% at 50% 35%, #f0e6dc, transparent 75%), linear-gradient(180deg, #d9d6d0, #4a4744); }
.slides { position: relative; min-height: 260px; }
.slide { position: absolute; inset: 0; opacity: 0; transform: translateY(16px); transition: opacity .6s, transform .6s var(--ease); pointer-events: none; }
.slide.on { opacity: 1; transform: none; pointer-events: auto; }
.slide blockquote { font-size: clamp(22px, 2.2vw, 28px); line-height: 1.25; letter-spacing: -.02em; }
.slide .who { margin-top: 28px; padding-top: 22px; border-top: 1px solid var(--line); }
.slide .who b { display: block; font-size: 22px; font-weight: 400; letter-spacing: -.02em; }
.arrows { display: flex; gap: 8px; justify-content: flex-end; margin-top: 16px; }
.arrows button { width: 40px; height: 40px; display: grid; place-items: center; background: var(--fog-2); transition: background .3s, color .3s; }
.arrows button:last-child, .arrows button:hover { background: var(--ink); color: var(--white); }

/* ---------- FAQ ---------- */
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item button { width: 100%; display: grid; grid-template-columns: 48px 1fr auto; align-items: center; text-align: left; padding: 26px 0; font-size: 19px; letter-spacing: -.01em; }
.faq-item button::after { content: "+"; font-size: 22px; transition: transform .4s var(--ease), color .3s; }
.faq-item.open button::after { transform: rotate(45deg); color: var(--lila); }
.faq-item .ans { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .5s var(--ease); }
.faq-item.open .ans { grid-template-rows: 1fr; }
.faq-item .ans > div { overflow: hidden; }
.faq-item .ans p { padding: 0 0 26px 48px; color: var(--mute); max-width: 70ch; }
.cta-card { display: flex; justify-content: space-between; align-items: center; gap: 24px; margin-top: 48px; padding: 28px; }
.cta-card h3 { font-size: 20px; font-weight: 500; letter-spacing: -.02em; }
.cta-card p { max-width: 36ch; margin: 8px 0 22px; }
.cta-card .pic { width: 120px; aspect-ratio: 1; flex: none; background: radial-gradient(50% 50% at 50% 40%, #fff, transparent 70%), linear-gradient(180deg, var(--lila), #2b2160); }

/* ---------- Blog ---------- */
.posts { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.post .img { aspect-ratio: 16 / 10; overflow: hidden; margin-bottom: 16px; }
.post .img div { width: 100%; height: 100%; transition: transform 1s var(--ease); }
.post:hover .img div { transform: scale(1.05); }
.post time { color: var(--mute); }
.post h3 { font-size: 20px; font-weight: 500; letter-spacing: -.02em; margin-top: 4px; }

/* ---------- Pie ---------- */
.footer { padding: 72px var(--pad) 0; overflow: hidden; }
.footer .top { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; padding-bottom: 56px; }
.footer .top h4 { font: 700 20px/1 var(--sans); letter-spacing: -.8px; }
.footer .top p { color: var(--on-dark-mute); margin: 10px 0 18px; }
.footer form { display: flex; gap: 8px; max-width: 420px; }
.footer input { flex: 1; height: 42px; padding: 0 14px; border: 1px solid rgba(255,255,255,.18); }
.footer input::placeholder { color: var(--on-dark-mute); }
.footer input:focus { outline: none; border-color: var(--lila); }
.footer .btn { height: 42px; }
.footer .cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.footer .cols div:nth-child(2) { justify-self: center; }
.footer .cols div:nth-child(3) { justify-self: end; }
.footer .cols span { color: var(--on-dark-mute); }
.footer .cols ul { margin-top: 12px; display: grid; gap: 8px; font-size: 14px; }
.footer .cols a { background: linear-gradient(currentColor, currentColor) 0 100% / 0 1px no-repeat; transition: background-size .4s var(--ease); }
.footer .cols a:hover { background-size: 100% 1px; }
.footer .legal { display: flex; justify-content: space-between; padding: 36px 0 24px; font-size: 13px; color: var(--on-dark-mute); }
.footer .wordmark { font-size: 30vw; color: var(--on-dark); margin: 0 -2px -.06em; }

/* ---------- Aparición ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .9s var(--ease), transform .9s var(--ease); transition-delay: var(--d, 0s); }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal, .wordmark span, .hero h1 .ln span, .hero .disc { opacity: 1 !important; transform: none !important; }
  .hero .thumb { clip-path: none; }
}

/* ---------- Móvil ---------- */
@media (max-width: 860px) {
  .sec-head { grid-template-columns: 1fr; }
  .sec-head p { grid-column: 1; grid-row: auto; justify-self: start; }
  .hero .thumb { top: auto; bottom: calc(var(--wm, 22vw) + 90px); }
  .hero .disc { flex-wrap: wrap; gap: 6px 18px; justify-content: flex-start; }
  .stats { grid-template-columns: 1fr; gap: 32px; }
  .gallery { grid-template-columns: 1fr 1fr; }
  .gallery div:nth-child(3) { display: none; }
  .logos ul { grid-template-columns: repeat(3, 1fr); }
  .project { width: 82%; }
  .works-list { gap: 14vh; }
  .service { grid-template-columns: 1fr auto; }
  .service h3, .service .chips, .service p { grid-column: 1 / -1; }
  .service .pic { grid-column: 2; grid-row: 1; width: 90px; }
  .service h3 { margin-top: 8px; }
  .plans, .quote, .posts, .footer .top { grid-template-columns: 1fr; }
  .slides { min-height: 300px; }
  .cta-card .pic { display: none; }
  .footer .cols { grid-template-columns: 1fr 1fr; }
  .footer .cols div:nth-child(n) { justify-self: start; }
  .footer .legal { flex-direction: column; gap: 6px; }
}