/* ============================================================
   remodev.net — Rodrigo Alonzo
   Minimalismo beige editorial · Alto contraste suave
   ============================================================ */

:root {
  --bg: #f5f4f0;         /* beige / hueso */
  --ink: #1c1c1c;        /* gris carbón */
  --line: rgba(28, 28, 28, 0.14);
  --muted: rgba(28, 28, 28, 0.55);
  --card: #efeee8;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --pad: clamp(1.25rem, 5vw, 6rem);
  --maxw: 1280px;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body.is-locked { overflow: hidden; height: 100vh; }

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
::selection { background: var(--ink); color: var(--bg); }

main { position: relative; }

/* ---------- Typographic helpers ---------- */
.eyebrow {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0;
}
.section-title {
  font-size: clamp(1.9rem, 4.5vw, 3.4rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0.6rem 0 0;
}
.section-sub {
  font-size: clamp(0.95rem, 1.3vw, 1.05rem);
  font-weight: 300;
  color: var(--muted);
  max-width: 46ch;
  margin: 1rem 0 0;
}
.section-head {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad);
}

/* ---------- Loader ---------- */
.loader {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  transition: opacity 0.8s var(--ease), visibility 0.8s;
}
.loader.done { opacity: 0; visibility: hidden; }
.loader__brand {
  font-size: clamp(1.4rem, 4vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}
.loader__brand span { color: var(--muted); }
.loader__bar {
  width: min(240px, 60vw);
  height: 1px;
  background: var(--line);
  overflow: hidden;
}
.loader__bar span {
  display: block;
  height: 100%;
  width: 0%;
  background: var(--ink);
  transition: width 0.2s linear;
}
.loader__pct {
  font-size: 0.68rem;
  letter-spacing: 0.3em;
  color: var(--muted);
}

/* ---------- Header (dinámico, mix-blend-mode) ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem var(--pad);
  mix-blend-mode: difference;
  transition: transform 0.5s var(--ease);
}
.header.hide { transform: translateY(-120%); }

.logo {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: #ffffff;
}
.logo__dot { display: inline-block; }
.logo__ext { font-weight: 300; opacity: 0.7; }

.nav { display: flex; gap: 2.5rem; }
.nav a {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  position: relative;
  padding: 0.25rem 0;
  color: #ffffff;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: #ffffff;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s var(--ease);
}
.nav a:hover::after, .nav a.active::after { transform: scaleX(1); transform-origin: left; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  width: 26px; height: 2px; background: #ffffff;
  transition: transform 0.35s var(--ease), opacity 0.35s;
}
.nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(8px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-8px) rotate(-45deg); }

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 45;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  clip-path: circle(0% at 100% 0%);
  transition: clip-path 0.6s var(--ease);
}
.mobile-menu.open { clip-path: circle(150% at 100% 0%); }
.mobile-menu a { font-size: 2rem; font-weight: 500; }

/* ---------- Buttons / links ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 2rem;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--bg);
  font-size: 0.8rem;
  font-weight: 500;
  border-radius: 100px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  isolation: isolate;
  transition: color 0.4s var(--ease);
}
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--bg);
  transform: translateY(100%);
  transition: transform 0.45s var(--ease);
  z-index: -1;
}
.btn:hover { color: var(--ink); }
.btn:hover::before { transform: translateY(0); }
.btn--ghost { background: transparent; color: var(--ink); }
.btn--ghost::before { background: var(--ink); }
.btn--ghost:hover { color: var(--bg); }
.btn--full { width: 100%; padding: 1.05rem; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.8rem;
  font-weight: 500;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--line);
  transition: gap 0.35s var(--ease), border-color 0.35s;
}
.link-arrow::after { content: "→"; transition: transform 0.35s var(--ease); }
.link-arrow:hover { gap: 0.9rem; border-color: var(--ink); }
.link-arrow:hover::after { transform: translateX(5px); }

.tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0;
  margin: 0 0 1.75rem;
}
.tags li {
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--muted);
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 100px;
}

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 9rem var(--pad) 5rem;
  position: relative;
}
.hero__grid {
  max-width: var(--maxw);
  width: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
}
.hero__title {
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  font-weight: 300;
  line-height: 1.02;
  letter-spacing: -0.03em;
  margin: 1.5rem 0 0;
}
.hero__title span { display: block; }
.hero__name { font-weight: 600; }
.hero__role { margin-top: 1.25rem; }
.hero__intro {
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  font-weight: 300;
  color: var(--muted);
  max-width: 44ch;
  margin: 1.75rem 0 0;
}
.hero__cta { display: flex; gap: 0.85rem; margin-top: 2.25rem; flex-wrap: wrap; }

.hero__photo {
  position: relative;
  margin: 0;
  border-radius: 220px;
  overflow: hidden;
  aspect-ratio: 4 / 5;
  background: var(--card);
  border: 1px solid var(--line);
  will-change: transform;
}
.hero__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.scroll-hint {
  position: absolute;
  bottom: 1.75rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.62rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--muted);
}
.scroll-hint__line {
  width: 1px;
  height: 44px;
  background: linear-gradient(var(--ink), transparent);
  animation: scrollLine 2s var(--ease) infinite;
  transform-origin: top;
}
@keyframes scrollLine {
  0% { transform: scaleY(0); opacity: 0; }
  40% { transform: scaleY(1); opacity: 1; }
  100% { transform: scaleY(0) translateY(44px); opacity: 0; }
}

/* ---------- Projects ---------- */
.projects { padding: 7rem 0 4rem; border-top: 1px solid var(--line); }
.section-head { text-align: left; margin-bottom: 4rem; }

.project {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 5rem var(--pad);
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}
.project--reverse .project__media { order: 2; }
.project--reverse .project__info { order: 1; }

.project__media { margin: 0; }
.project__frame {
  position: relative;
  overflow: hidden;
  border-radius: 18px;
  aspect-ratio: 16 / 10;
  background: var(--card);
  border: 1px solid var(--line);
  will-change: transform, opacity, filter;
}
.project__frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  will-change: transform, filter;
  transform-origin: center;
}

/* immersion overlay revealed by "Explorar interfaz" */
.project__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  padding: clamp(1.25rem, 3.5vw, 2.5rem);
  background: linear-gradient(to top, rgba(245, 244, 240, 0.92) 10%, rgba(245, 244, 240, 0.35));
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  pointer-events: none;
}
.project__overlay-label {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}
.project__overlay-title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0.4rem 0 1rem;
}
.project__overlay-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.5rem;
}
.project__overlay-list li {
  position: relative;
  padding-left: 1.25rem;
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--ink);
}
.project__overlay-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 1px;
  background: var(--ink);
}

/* explore button (replaces the old "Ver proyecto" link) */
.project__explore {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  background: transparent;
  border: 1px solid var(--ink);
  color: var(--ink);
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.7rem 1.35rem;
  border-radius: 100px;
  cursor: pointer;
  transition: background 0.4s var(--ease), color 0.4s var(--ease);
}
.project__explore:hover { background: var(--ink); color: var(--bg); }
.project__explore-icon {
  display: inline-grid;
  place-items: center;
  width: 18px;
  height: 18px;
  font-size: 1.1rem;
  line-height: 1;
  transition: transform 0.45s var(--ease);
}
.project__explore.is-open .project__explore-icon { transform: rotate(45deg); }

.project__index {
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: var(--muted);
  display: block;
  margin-bottom: 1rem;
}
.project__title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0.6rem 0 1rem;
}
.project__desc {
  font-size: 1rem;
  font-weight: 300;
  color: var(--muted);
  margin: 0 0 1.5rem;
  max-width: 40ch;
}

/* ---------- Skills ---------- */
.skills {
  padding: 6rem var(--pad);
  border-top: 1px solid var(--line);
}
.skills .section-head { padding: 0; max-width: var(--maxw); }
.skills__grid {
  max-width: var(--maxw);
  margin: 3.5rem auto 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.skill {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 2.5rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  transition: background 0.4s var(--ease);
}
.skill:hover { background: var(--ink); }
.skill:hover .skill__icon { stroke: var(--bg); }
.skill:hover .skill__name { color: var(--bg); }
.skill__icon {
  width: 38px; height: 38px;
  stroke: var(--ink);
  stroke-width: 1.4;
  fill: none;
  transition: stroke 0.4s var(--ease), transform 0.5s var(--ease);
}
.skill:hover .skill__icon { transform: translateY(-5px); }
.skill__name {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--ink);
  transition: color 0.4s var(--ease);
}

/* ---------- Contact ---------- */
.contact {
  padding: 7rem var(--pad) 0;
  border-top: 1px solid var(--line);
}
.contact__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
}
.contact__mail {
  font-size: clamp(1.05rem, 1.8vw, 1.4rem);
  font-weight: 300;
  margin-top: 1.75rem;
  color: var(--muted);
}
.contact__mail a {
  color: var(--ink);
  font-weight: 500;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 2px;
  transition: opacity 0.3s;
}
.contact__mail a:hover { opacity: 0.6; }
.contact__socials { display: flex; gap: 1.5rem; margin-top: 2.25rem; flex-wrap: wrap; }
.contact__socials a {
  font-size: 0.82rem;
  color: var(--muted);
  transition: color 0.3s;
}
.contact__socials a:hover { color: var(--ink); }

.contact__form { display: flex; flex-direction: column; gap: 1.75rem; }
.field { position: relative; }
.field input,
.field textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-family: inherit;
  font-size: 1rem;
  padding: 0.75rem 0;
  resize: none;
  transition: border-color 0.4s var(--ease);
}
.field textarea { min-height: 90px; }
.field input:focus,
.field textarea:focus { outline: none; border-color: var(--ink); }
.field label {
  position: absolute;
  left: 0;
  top: 0.75rem;
  font-size: 0.85rem;
  color: var(--muted);
  pointer-events: none;
  transition: transform 0.35s var(--ease), font-size 0.35s;
}
.field input:focus + label,
.field input:not(:placeholder-shown) + label,
.field textarea:focus + label,
.field textarea:not(:placeholder-shown) + label {
  transform: translateY(-1.6rem);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
}
.form-status {
  font-size: 0.82rem;
  min-height: 1.2em;
  margin: 0;
  color: var(--muted);
}
.form-status.error { color: var(--ink); font-weight: 600; }

.footer {
  max-width: var(--maxw);
  margin: 6rem auto 0;
  padding: 2rem 0;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  flex-wrap: wrap;
}

/* ---------- Reveal helper ---------- */
.reveal { opacity: 0; transform: translateY(24px); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .nav { display: none; }
  .nav-toggle { display: flex; }
  .hero__grid { grid-template-columns: 1fr; }
  .hero__photo { max-width: 420px; margin: 0.5rem auto 0; border-radius: 32px; aspect-ratio: 4/5; }
  .project,
  .contact__inner { grid-template-columns: 1fr; gap: 2rem; }
  .project--reverse .project__media { order: 1; }
  .project--reverse .project__info { order: 2; }
  .footer { justify-content: center; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}