/* ---------- tokens ---------- */
:root {
  --bg: #0a0a0a;
  --bg-alt: #131311;
  --fg: #f2f2f0;
  --fg-dim: #8f8f8a;
  --accent: #c8ff5c;
  --accent-dim: #7d9e3d;
  --border: #232320;

  --font-display: -apple-system, "SF Pro Display", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --font-body: -apple-system, "SF Pro Text", "Segoe UI", "Helvetica Neue", Arial, sans-serif;

  --maxw: 1120px;
  --gutter: clamp(1.25rem, 5vw, 4rem);
}

/* ---------- reset ---------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: #0a0a0a;
  padding: 0.75rem 1rem;
  z-index: 100;
}
.skip-link:focus {
  left: var(--gutter);
  top: 1rem;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.accent { color: var(--accent); }

/* ---------- topbar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem var(--gutter);
  background: rgba(10, 10, 10, 0.75);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}
.topbar__name { font-weight: 600; letter-spacing: -0.01em; }
.topbar__ig { color: var(--fg-dim); transition: color 0.2s ease; }
.topbar__ig:hover { color: var(--accent); }

/* ---------- layout helpers ---------- */
.section {
  padding: clamp(4rem, 10vw, 8rem) var(--gutter);
  max-width: var(--maxw);
  margin: 0 auto;
}
.section__eyebrow {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--fg-dim);
  margin: 0 0 2rem;
}

/* ---------- hero ---------- */
.hero {
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding: 6rem var(--gutter) 4rem;
  max-width: var(--maxw);
  margin: 0 auto;
}
.hero__inner { max-width: 780px; }
.hero__headline {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.2rem, 7vw, 5rem);
  line-height: 1.04;
  letter-spacing: -0.03em;
  margin: 0 0 1.75rem;
}
.hero__headline-line { white-space: nowrap; }
@media (max-width: 420px) {
  .hero__headline-line { white-space: normal; }
}
.hero__sub {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--fg-dim);
  max-width: 560px;
  margin: 0 0 2.5rem;
}
.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 1rem;
  transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease;
  border: 1px solid transparent;
}
.btn--primary {
  background: var(--accent);
  color: #0a0a0a;
}
.btn--primary:hover { transform: translateY(-2px); background: #d8ff85; }
.btn--ghost {
  color: var(--fg);
  border-color: var(--border);
}
.btn--ghost:hover { border-color: var(--fg-dim); }
.btn--lg { padding: 1.1rem 2.2rem; font-size: 1.1rem; }

/* ---------- qué hago ---------- */
.que-hago__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.que-hago__item {
  background: var(--bg);
  padding: 2.5rem 2rem;
}
.que-hago__item h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  margin: 0 0 0.75rem;
  letter-spacing: -0.01em;
}
.que-hago__item p {
  color: var(--fg-dim);
  margin: 0;
  font-size: 1rem;
}

/* ---------- proyectos ---------- */
.proyectos__list { border-top: 1px solid var(--border); }
.proyectos__item { border-bottom: 1px solid var(--border); }
.proyectos__item a {
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  padding: 1.75rem 0;
  transition: padding-left 0.2s ease, color 0.2s ease;
}
.proyectos__item a:hover { padding-left: 0.5rem; color: var(--accent); }
.proyectos__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  white-space: nowrap;
}
.proyectos__desc {
  color: var(--fg-dim);
  font-size: 0.95rem;
  flex: 1;
}
.proyectos__item a:hover .proyectos__desc { color: inherit; }
.proyectos__arrow { color: var(--fg-dim); }

/* ---------- mosaico ---------- */
.mosaico__grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.2rem;
  align-items: baseline;
}
.m {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
}
.m--xl { font-size: clamp(1.8rem, 5vw, 3.4rem); font-weight: 700; }
.m--lg { font-size: clamp(1.4rem, 3.6vw, 2.4rem); }
.m--md { font-size: clamp(1.1rem, 2.6vw, 1.7rem); color: var(--fg-dim); }
.m--sm { font-size: clamp(0.95rem, 2vw, 1.2rem); color: var(--fg-dim); }

/* ---------- lead magnet ---------- */
.regalo__box {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: clamp(2rem, 6vw, 3.5rem);
}
.regalo__title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
}
.regalo__sub {
  color: var(--fg-dim);
  margin: 0 0 2rem;
  max-width: 480px;
}
.regalo__form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.regalo__input {
  flex: 1;
  min-width: 220px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--fg);
  padding: 0.9rem 1.2rem;
  border-radius: 999px;
  font-size: 1rem;
}
.regalo__input:focus { border-color: var(--accent); outline: none; }
.regalo__note {
  margin: 1rem 0 0;
  font-size: 0.9rem;
  color: var(--accent);
  min-height: 1.2em;
}

/* ---------- sobre mí ---------- */
.sobre-mi__text {
  max-width: 680px;
  font-size: clamp(1.1rem, 2.4vw, 1.35rem);
}
.sobre-mi__text p { margin: 0 0 1.5rem; }
.sobre-mi__text p:last-child { margin-bottom: 0; color: var(--fg-dim); }

/* ---------- cta final ---------- */
.final-cta {
  text-align: center;
  padding-bottom: clamp(6rem, 14vw, 10rem);
}
.final-cta__headline {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 5vw, 3rem);
  letter-spacing: -0.02em;
  max-width: 640px;
  margin: 0 auto 0.75rem;
}
.final-cta__sub {
  color: var(--fg-dim);
  margin: 0 0 2.25rem;
}
.final-cta__web {
  display: block;
  margin-top: 1.25rem;
  color: var(--fg-dim);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.final-cta__web:hover { color: var(--fg); }

/* ---------- footer ---------- */
.footer {
  display: flex;
  justify-content: space-between;
  padding: 2rem var(--gutter) 3rem;
  max-width: var(--maxw);
  margin: 0 auto;
  color: var(--fg-dim);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
}
.footer__links { display: flex; gap: 1.5rem; }
.footer__links a:hover { color: var(--fg); }

/* ---------- reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn--primary:hover { transform: none; }
}

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  .que-hago__grid { grid-template-columns: 1fr; }
  .proyectos__item a { flex-direction: column; align-items: flex-start; gap: 0.4rem; }
  .footer { flex-direction: column; gap: 0.75rem; }
}