/* ============================================================
   Máximo Orsi — Portfolio UX
   Identidad: blanco / negro, minimal editorial
   Títulos: Unbounded
   ============================================================ */

:root {
  /* Identidad (home) */
  --ink: #0f0f0f;
  --paper: #ffffff;
  --paper-2: #f3f2ef;
  --line: rgba(0, 0, 0, 0.14);
  --muted: #6f6f6f;

  /* Tokens heredados que usa el caso de estudio (tema oscuro) */
  --black: #0a0a0a;
  --white: #ffffff;
  --cream: #f3f2ef;
  --grey: #8a8a8a;
  --grey-line: rgba(0, 0, 0, 0.12);
  --grey-line-dark: rgba(255, 255, 255, 0.14);
  --orange: #0f0f0f; /* el caso ya no usa naranja de identidad; cae a negro */

  --font-display: "Unbounded", "Space Grotesk", system-ui, sans-serif;
  --font-sans: "Space Grotesk", system-ui, -apple-system, sans-serif;
  /* Tipografía categórica secundaria (etiquetas, subtítulos de color) */
  --font-mono: "Helvetica Neue", Helvetica, Arial, sans-serif;

  --pad: clamp(20px, 5vw, 80px);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--paper);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(40px); transition: opacity .9s cubic-bezier(.16,1,.3,1), transform .9s cubic-bezier(.16,1,.3,1); }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Eyebrow / labels ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink);
  display: inline-block;
}

/* ---------- Section heads ---------- */
.section-head {
  padding: clamp(60px, 10vw, 140px) var(--pad) clamp(24px, 4vw, 50px);
  border-bottom: 1px solid var(--line);
}
.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(44px, 11vw, 150px);
  line-height: .92;
  letter-spacing: -.02em;
  margin-top: 18px;
  color: var(--ink);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(24px, 5vw, 60px) var(--pad) clamp(120px, 14vw, 160px);
  overflow: hidden;
  background: var(--paper);
}
.hero__bg {
  position: absolute; inset: 0; z-index: 0;
  background: radial-gradient(80% 50% at 50% 0%, #ececec, transparent 70%);
}
.hero > * { position: relative; z-index: 1; }
.hero__grid { text-align: center; margin-top: clamp(30px, 8vw, 90px); }
.hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(44px, 13vw, 190px);
  line-height: .9;
  letter-spacing: -.03em;
  color: var(--ink);
  word-break: break-word;
}
.hero__subtitle {
  font-family: var(--font-mono);
  font-size: clamp(11px, 2vw, 16px);
  letter-spacing: .3em;
  margin-top: 22px;
  color: var(--muted);
}
.hero__lead {
  max-width: 540px;
  margin: 0 auto;
  text-align: center;
  font-size: clamp(14px, 1.6vw, 18px);
  line-height: 1.5;
  color: #333;
}
.hero__scroll {
  position: absolute;
  bottom: clamp(28px, 5vw, 48px);
  left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .2em;
  color: var(--muted);
  z-index: 2;
}
.hero__scroll svg { animation: bob 1.6s ease-in-out infinite; }
@keyframes bob { 0%,100%{transform:translateY(0)} 50%{transform:translateY(5px)} }

/* ============================================================
   NAV — floating pill (dark on light)
   ============================================================ */
.nav {
  position: fixed;
  bottom: clamp(16px, 3vw, 28px);
  left: 50%; transform: translateX(-50%);
  z-index: 100;
  display: flex; align-items: center; gap: 6px;
  padding: 8px;
  background: rgba(15,15,15,.92);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 100px;
  box-shadow: 0 20px 50px rgba(0,0,0,.28);
}
.nav__avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: #fff; overflow: hidden;
  display: grid; place-items: center;
  font-family: var(--font-mono); font-weight: 700; font-size: 13px;
  color: #0f0f0f; flex-shrink: 0;
}
.nav__avatar img { width: 100%; height: 100%; object-fit: cover; }
.nav__links { display: flex; list-style: none; gap: 4px; }
.nav__links a {
  display: block; padding: 10px 16px; border-radius: 100px;
  font-size: 14px; color: rgba(255,255,255,.72);
  transition: background .25s, color .25s;
}
.nav__links a:hover, .nav__links a.is-active { background: rgba(255,255,255,.12); color: #fff; }
.nav__cta {
  display: flex; align-items: center; gap: 6px;
  padding: 11px 20px; border-radius: 100px;
  background: #fff; color: #0f0f0f;
  font-weight: 500; font-size: 14px;
  transition: transform .25s, background .25s, color .25s;
}
.nav__cta span { font-weight: 700; }
.nav__cta:hover { transform: scale(1.03); background: rgba(255,255,255,.14); color: #fff; }

/* ============================================================
   PROJECTS
   ============================================================ */
.projects { background: var(--paper); }
.project {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(20px, 4vw, 60px);
  align-items: center;
  padding: clamp(30px, 5vw, 60px) var(--pad);
  border-bottom: 1px solid var(--line);
  transition: background .4s;
}
.project:hover { background: var(--paper-2); }
.project__media {
  aspect-ratio: 4 / 3;
  border-radius: 14px;
  overflow: hidden;
  background: #e9e8e5;
}
.project__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s cubic-bezier(.16,1,.3,1); }
.project:hover .project__media img { transform: scale(1.05); }
.project__media--placeholder {
  display: grid; place-items: center;
  border: 1px dashed var(--line);
  font-family: var(--font-mono); font-size: 13px; letter-spacing: .2em; color: var(--muted);
}
.project__tag { font-family: var(--font-mono); font-size: 12px; letter-spacing: .15em; color: var(--muted); }
.project__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(38px, 8vw, 92px);
  line-height: .98;
  letter-spacing: -.02em;
  margin: 12px 0 20px;
  color: var(--ink);
}
.project__logo { height: clamp(52px, 9vw, 120px); width: auto; }
.project__logo--yadoms { height: clamp(74px, 12vw, 150px); margin-left: -10px; }
.project__media--logo {
  display: grid; place-items: center;
  background: #fff; border: 1px solid var(--line);
  padding: clamp(24px, 5vw, 60px);
}
.project__media--logo img { width: 78%; height: auto; object-fit: contain; }
.project:hover .project__media--logo img { transform: none; }
.project__more {
  font-family: var(--font-mono); font-size: 13px; letter-spacing: .1em;
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--ink);
}
.project__more span { transition: transform .3s; }
.project:hover .project__more span { transform: translateX(6px); }

/* ============================================================
   ABOUT
   ============================================================ */
.about { background: var(--paper-2); color: var(--ink); }
.about .section-title { color: var(--ink); }
.about__grid { padding: clamp(40px, 6vw, 80px) var(--pad) clamp(60px, 9vw, 120px); }
.about__top { display: flex; gap: clamp(24px, 4vw, 60px); align-items: flex-start; }
.about__photo {
  width: clamp(160px, 26vw, 320px); aspect-ratio: 4 / 5; object-fit: cover;
  border-radius: 18px; flex-shrink: 0; background: #e6e5e1;
}
@media (max-width: 720px) { .about__top { flex-direction: column; } .about__photo { width: min(240px, 60%); } }
.about__lead {
  font-size: clamp(22px, 3.4vw, 40px);
  line-height: 1.25;
  font-weight: 300;
  max-width: 940px;
}
.about__lead strong { font-weight: 600; }
.about__cols {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: clamp(24px, 4vw, 60px);
  margin-top: clamp(40px, 6vw, 80px);
  max-width: 760px;
}
.about__col h4 { font-family: var(--font-mono); font-size: 12px; letter-spacing: .15em; color: var(--ink); margin-bottom: 12px; }
.about__col p { font-size: 16px; line-height: 1.55; color: #444; }
.about__cols--wide { max-width: none; margin-top: clamp(30px,4vw,50px); padding-top: clamp(30px,4vw,50px); border-top: 1px solid var(--line); }
.about__list { list-style: none; }
.about__list li { font-size: 16px; line-height: 1.5; color: var(--ink); padding: 14px 0; border-bottom: 1px solid var(--line); }
.about__list li:last-child { border-bottom: none; }
.about__list li strong { font-weight: 600; }
.about__list li span { color: #777; font-size: 14px; }

/* ============================================================
   SERVICES
   ============================================================ */
.services { background: var(--paper); }
.services__list { list-style: none; }
.service {
  display: grid;
  grid-template-columns: 100px 1fr 2fr;
  gap: clamp(16px, 3vw, 40px);
  align-items: baseline;
  padding: clamp(30px, 4vw, 50px) var(--pad);
  border-bottom: 1px solid var(--line);
  transition: background .35s, color .35s, padding-left .35s;
}
.service:hover { background: var(--ink); padding-left: calc(var(--pad) + 12px); }
.service:hover .service__num,
.service:hover .service__name,
.service:hover .service__desc { color: #fff; }
.service__num { font-family: var(--font-mono); font-size: 15px; color: var(--muted); }
.service__name { font-family: var(--font-display); font-weight: 600; font-size: clamp(22px, 3.5vw, 42px); letter-spacing: -.02em; color: var(--ink); }
.service__desc { font-size: 16px; line-height: 1.5; color: #555; }

/* ============================================================
   MILESTONES
   ============================================================ */
.milestones {
  display: grid; grid-template-columns: repeat(3, 1fr);
  background: var(--paper-2);
  border-bottom: 1px solid var(--line);
}
.milestone {
  padding: clamp(50px, 8vw, 110px) var(--pad);
  text-align: center;
  border-right: 1px solid var(--line);
}
.milestone:last-child { border-right: none; }
.milestone__num, .milestone__plus {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(48px, 9vw, 118px); line-height: 1; color: var(--ink); letter-spacing: -.03em;
}
.milestone__label { margin-top: 16px; font-family: var(--font-mono); font-size: 13px; letter-spacing: .1em; color: var(--muted); }

/* ============================================================
   CONTACT
   ============================================================ */
.contact { background: var(--paper); color: var(--ink); }
.contact__grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(30px, 5vw, 80px);
  padding: clamp(40px, 6vw, 80px) var(--pad);
  align-items: start;
}
.contact__lead { font-size: clamp(18px, 2.4vw, 26px); line-height: 1.4; font-weight: 300; }
.contact__form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field--full { grid-column: 1 / -1; }
.field input, .field textarea {
  width: 100%; padding: 16px 18px;
  border: 1px solid var(--line); border-radius: 10px;
  background: #fff; font-family: var(--font-sans); font-size: 15px; color: var(--ink);
  resize: vertical;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--ink); }
.contact__submit {
  grid-column: 1 / -1;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 16px; border: 1px solid var(--ink); border-radius: 10px;
  background: var(--ink); color: #fff;
  font-family: var(--font-mono); font-size: 14px; letter-spacing: .15em; cursor: pointer;
  transition: background .3s, color .3s;
}
.contact__submit:hover { background: transparent; color: var(--ink); }
.contact__foot {
  padding: clamp(30px, 4vw, 50px) var(--pad) clamp(60px, 9vw, 120px);
  border-top: 1px solid var(--line);
}
.contact__email {
  display: block; margin-top: 12px;
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(22px, 5vw, 60px); color: var(--ink); letter-spacing: -.02em;
  transition: opacity .3s;
  word-break: break-word;
}
.contact__email:hover { opacity: .55; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background: var(--paper-2); padding: clamp(40px, 6vw, 80px) var(--pad) clamp(90px, 12vw, 120px); border-top: 1px solid var(--line); }
.footer__top {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px;
  padding-bottom: 30px; border-bottom: 1px solid var(--line);
}
.footer__brand { font-family: var(--font-display); font-weight: 700; font-size: clamp(22px, 4vw, 40px); letter-spacing: -.02em; }
.footer__social { display: flex; gap: 24px; list-style: none; }
.footer__social a { font-family: var(--font-mono); font-size: 13px; color: var(--muted); transition: color .3s; }
.footer__social a:hover { color: var(--ink); }
.footer__copy { margin-top: 24px; font-family: var(--font-mono); font-size: 12px; letter-spacing: .1em; color: var(--muted); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 860px) {
  .project { grid-template-columns: 1fr; }
  .about__cols { grid-template-columns: 1fr; }
  .service { grid-template-columns: 60px 1fr; }
  .service__desc { grid-column: 2; }
  .milestones { grid-template-columns: 1fr; }
  .milestone { border-right: none; border-bottom: 1px solid var(--line); }
  .contact__grid { grid-template-columns: 1fr; }
  .nav__links { display: none; }
}

@media (max-width: 520px) {
  .contact__form { grid-template-columns: 1fr; }
  .nav { gap: 4px; padding: 6px; }
  .nav__cta { padding: 10px 16px; font-size: 13px; }
}