/* =============================================================
   Koba Studio — styles.css
   Archetype 05 — Mouse-Reactive Gradient (adapted, real brand palette)
   ============================================================= */

/* =============================================================
   1. Tokens
   ============================================================= */
@property --mx { syntax: "<percentage>"; inherits: true; initial-value: 50%; }
@property --my { syntax: "<percentage>"; inherits: true; initial-value: 50%; }

:root {
  /* Brand — dark ground (primary) */
  --bg:        #12101C;
  --bg-2:      #1A1728;
  --bg-3:      #221D34;
  --ink:       #F1EEFA;
  --ink-mute:  rgba(241, 238, 250, 0.64);
  --ink-dim:   rgba(241, 238, 250, 0.4);
  --line:      rgba(241, 238, 250, 0.14);
  --line-soft: rgba(241, 238, 250, 0.08);

  /* Brand — light interlude */
  --light-bg:   #F6F1E7;
  --light-ink:  #12101C;
  --light-mute: rgba(18, 16, 28, 0.62);
  --light-line: rgba(18, 16, 28, 0.14);

  /* Brand accents */
  --coral:    #F2793C;
  --magenta:  #B02BC0;
  --violeta:  #5B2FE0;

  /* Primary accent — coral chosen for legibility on dark ground */
  --accent:      var(--coral);
  --accent-ink:  #12101C;

  /* Mouse-reactive gradient family */
  --gradient-1: var(--coral);
  --gradient-2: var(--magenta);
  --gradient-3: var(--violeta);

  /* Fonts */
  --display: "Space Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --sans:    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --mono:    "JetBrains Mono", "SFMono-Regular", Menlo, Consolas, monospace;

  /* Easings */
  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:     cubic-bezier(0.7, 0, 0.84, 0);
  --ease-soft:   cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);

  --nav-h: 76px;
  --container: 1360px;
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html {
  -webkit-text-size-adjust: 100%;
  tab-size: 2;
  scroll-behavior: smooth;
  overflow-x: clip;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
  overscroll-behavior-y: none;
}
img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
p { text-wrap: pretty; }
h1, h2, h3, h4 { text-wrap: balance; line-height: 1.05; letter-spacing: -0.02em; font-family: var(--display); }
ul { list-style: none; padding: 0; }
::selection { background: var(--accent); color: var(--accent-ink); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* =============================================================
   3. Utilities
   ============================================================= */
.skip-link {
  position: fixed; top: -100px; left: 1rem; z-index: 9999;
  padding: 0.7rem 1.1rem; background: var(--ink); color: var(--bg);
  border-radius: 8px; font-weight: 600; font-family: var(--sans);
  transition: top 0.3s var(--ease-out);
}
.skip-link:focus { top: 1rem; }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 1.5rem;
}
@media (min-width: 720px)  { .container { padding-inline: 2.5rem; } }
@media (min-width: 1280px) { .container { padding-inline: 3.5rem; } }

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

.eyebrow {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--mono); font-size: 0.78rem;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.4rem;
}
.eyebrow::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent); flex: none;
}
.section--light .eyebrow { color: #b8461e; }
.section--light .eyebrow::before { background: #b8461e; }

.section {
  position: relative;
  padding-block: clamp(4.5rem, 9vw, 8.5rem);
}
.section--light {
  background: var(--light-bg);
  color: var(--light-ink);
}
.section--tight { padding-block: clamp(3rem, 6vw, 5rem); }

.section-head {
  max-width: 46rem;
  margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
}
.section-title {
  font-size: clamp(2rem, 4.4vw, 3.4rem);
  font-weight: 600;
}

/* Reveal on scroll — gated behind the .js class set synchronously in <head>,
   so content is fully visible with JS disabled (no-JS = no hidden state). */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.8s var(--ease-soft), transform 0.8s var(--ease-soft);
}
.js [data-reveal].is-revealed { opacity: 1; transform: none; }
/* Defensive: an element carrying both .reveal and [data-split] must never
   stay invisible if the split-text handler doesn't run. */
.reveal[data-split] { opacity: 1; transform: none; }

/* =============================================================
   4. Typography
   ============================================================= */
.text-huge {
  font-family: var(--display);
  font-weight: 600;
  line-height: 0.98;
}

.invert-hover {
  position: relative;
  display: inline-block;
  isolation: isolate;
  transition: color 0.4s var(--ease-out);
}
.invert-hover::before {
  content: "";
  position: absolute;
  inset: -0.03em -0.06em;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s var(--ease-out);
  z-index: -1;
}
@media (hover: hover) and (pointer: fine) {
  .invert-hover:hover { color: var(--bg); }
  .invert-hover:hover::before { transform: scaleX(1); }
  .section--light .invert-hover::before { background: var(--light-ink); }
  .section--light .invert-hover:hover { color: var(--light-bg); }
}

/* =============================================================
   5. Components
   ============================================================= */

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.6rem;
  padding: 1rem 1.8rem;
  font-family: var(--sans); font-weight: 600; font-size: 0.98rem;
  border-radius: 100px;
  white-space: nowrap;
  transition: transform 0.45s var(--ease-soft), box-shadow 0.45s var(--ease-soft), background 0.3s var(--ease-out), color 0.3s var(--ease-out);
}
.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
  box-shadow: 0 12px 30px -10px rgba(242, 121, 60, 0.55);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 20px 44px -12px rgba(242, 121, 60, 0.65); }
.btn-primary:active { transform: translateY(-1px); }
.btn-ghost {
  border: 1px solid var(--line);
  color: var(--ink);
}
.btn-ghost:hover { border-color: var(--ink); transform: translateY(-3px); }
.section--light .btn-ghost { border-color: var(--light-line); color: var(--light-ink); }
.section--light .btn-ghost:hover { border-color: var(--light-ink); }

.btn-icon { width: 1.1em; height: 1.1em; flex: none; }

/* Nav */
.nav {
  position: fixed; top: 0; inset-inline: 0; z-index: 200;
  height: var(--nav-h);
  display: flex; align-items: center;
  background: rgba(18, 16, 28, 0.5);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: background-color 0.4s var(--ease-out), border-color 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out);
}
.nav.is-scrolled {
  background: rgba(18, 16, 28, 0.86);
  border-bottom-color: var(--line);
  box-shadow: 0 8px 30px -14px rgba(0,0,0,0.6);
}
.nav-inner {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem;
}
.nav-brand {
  font-family: var(--display); font-weight: 700; font-size: 1.15rem;
  letter-spacing: -0.01em;
}
.nav-links {
  display: none;
  align-items: center;
  gap: 2.1rem;
  font-family: var(--mono); font-size: 0.82rem;
  letter-spacing: 0.02em;
}
@media (min-width: 960px) { .nav-links { display: flex; } }
.nav-link {
  position: relative; padding-block: 0.3rem;
  color: var(--ink-mute);
  transition: color 0.3s var(--ease-out);
}
.nav-link::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 1px; background: var(--accent);
  transform: scaleX(0); transform-origin: right;
  transition: transform 0.4s var(--ease-out);
}
.nav-link:hover { color: var(--ink); }
.nav-link:hover::after { transform: scaleX(1); transform-origin: left; }

.nav-cta { display: none; }
@media (min-width: 720px) { .nav-cta { display: inline-flex; padding: 0.75rem 1.3rem; font-size: 0.88rem; } }

/* Mobile nav — pure CSS checkbox toggle, works with JS disabled */
.nav-toggle-input { position: absolute; opacity: 0; pointer-events: none; }
.nav-toggle-label {
  display: grid; place-items: center;
  width: 44px; height: 44px;
  cursor: pointer;
  z-index: 210;
}
@media (min-width: 960px) { .nav-toggle-label { display: none; } }
.nav-toggle-bars, .nav-toggle-bars::before, .nav-toggle-bars::after {
  content: ""; display: block;
  width: 22px; height: 2px; background: var(--ink);
  transition: transform 0.35s var(--ease-out), opacity 0.25s var(--ease-out);
}
.nav-toggle-bars { position: relative; }
.nav-toggle-bars::before { position: absolute; top: -7px; left: 0; }
.nav-toggle-bars::after  { position: absolute; top: 7px; left: 0; }

.nav-mobile {
  position: fixed; inset: 0; z-index: 190;
  background: var(--bg);
  display: grid; place-items: center;
  clip-path: inset(0 0 100% 0);
  transition: clip-path 0.6s var(--ease-soft);
}
@media (min-width: 960px) { .nav-mobile { display: none; } }
/* .nav-mobile and .nav-toggle-label are nested inside <header>, not plain
   siblings of the checkbox, so :has() reaches them reliably regardless of
   DOM nesting (unlike the ~ combinator, which requires flat siblings). */
body:has(.nav-toggle-input:checked) .nav-mobile { clip-path: inset(0); }
body:has(.nav-toggle-input:checked) .nav-toggle-bars { background: transparent; }
body:has(.nav-toggle-input:checked) .nav-toggle-bars::before { transform: translateY(7px) rotate(45deg); }
body:has(.nav-toggle-input:checked) .nav-toggle-bars::after  { transform: translateY(-7px) rotate(-45deg); }
.nav-mobile-links {
  display: flex; flex-direction: column; align-items: center; gap: 1.6rem;
  font-family: var(--display); font-size: clamp(1.8rem, 8vw, 2.6rem); font-weight: 600;
}
.nav-mobile-cta { margin-top: 2rem; }

/* Cards */
.card {
  border-radius: 22px;
  padding: clamp(1.8rem, 3vw, 2.5rem);
  background: var(--bg-2);
  border: 1px solid var(--line-soft);
  transition: transform 0.5s var(--ease-soft), border-color 0.4s var(--ease-out), box-shadow 0.5s var(--ease-soft);
}

/* =============================================================
   6. Sections
   ============================================================= */

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; flex-direction: column; justify-content: center;
  padding-top: calc(var(--nav-h) + 2rem);
  padding-bottom: 4rem;
  overflow: clip;
  isolation: isolate;
}
.hero-gradient {
  position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(circle 620px at var(--mx, 50%) var(--my, 42%),
      var(--gradient-1) 0%, transparent 55%),
    radial-gradient(circle 760px at calc(var(--mx, 50%) + 14%) calc(var(--my, 42%) - 12%),
      var(--gradient-2) 0%, transparent 58%),
    radial-gradient(circle 680px at calc(var(--mx, 50%) - 16%) calc(var(--my, 42%) + 18%),
      var(--gradient-3) 0%, transparent 58%),
    var(--bg);
  filter: blur(70px) saturate(135%);
  opacity: 0.85;
}
.hero-gradient::after {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 30%, transparent 0%, var(--bg) 92%);
  opacity: 0.55;
}
.hero-inner { position: relative; }
.hero-eyebrow { margin-bottom: 1.8rem; }
.hero-title {
  font-size: clamp(3.4rem, 12vw, 9.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}
.hero-title .line { display: block; }
.hero-title .line-accent { color: var(--accent); }
.hero-sub {
  margin-top: 2rem;
  max-width: 40ch;
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  color: var(--ink-mute);
}
.hero-actions {
  margin-top: 2.6rem;
  display: flex; flex-wrap: wrap; gap: 1rem;
}
.hero-scroll-hint {
  position: absolute; left: 0; bottom: -1.2rem;
  display: flex; align-items: center; gap: 0.6rem;
  font-family: var(--mono); font-size: 0.72rem;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-dim);
}
@media (max-width: 719px) { .hero-scroll-hint { display: none; } }
.hero-scroll-hint .line-dot {
  width: 26px; height: 1px; background: var(--ink-dim);
}

/* --- Manifesto --- */
.manifesto {
  background: var(--bg);
}
.manifesto-body {
  max-width: 52rem;
}
.manifesto-body p {
  font-size: clamp(1.25rem, 2.4vw, 1.7rem);
  line-height: 1.5;
  color: var(--ink-mute);
  margin-bottom: 1.6rem;
}
.manifesto-body p:first-of-type {
  color: var(--ink);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  line-height: 1.38;
}
.manifesto-body p:last-child { margin-bottom: 0; }

/* --- Planes (light interlude) --- */
.plans-grid {
  display: grid;
  gap: 1.4rem;
  grid-template-columns: 1fr;
}
@media (min-width: 960px) { .plans-grid { grid-template-columns: repeat(3, 1fr); align-items: stretch; } }

.plan-card {
  position: relative;
  border-radius: 26px;
  padding: clamp(2rem, 3vw, 2.6rem);
  background: #FFFDF8;
  border: 1px solid var(--light-line);
  display: flex; flex-direction: column;
  transition: transform 0.5s var(--ease-soft), box-shadow 0.5s var(--ease-soft), border-color 0.4s var(--ease-out);
}
.plan-card:hover { transform: translateY(-6px); box-shadow: 0 30px 60px -24px rgba(18,16,28,0.22); }
.plan-card.is-featured {
  background: var(--light-ink);
  color: var(--light-bg);
  border-color: var(--light-ink);
}
@media (min-width: 960px) { .plan-card.is-featured { transform: translateY(-14px); } }
.plan-card.is-featured:hover { transform: translateY(-19px); }
.plan-badge {
  position: absolute; top: -0.9rem; left: clamp(2rem, 3vw, 2.6rem);
  background: var(--accent); color: var(--accent-ink);
  font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 0.42rem 0.85rem; border-radius: 100px;
}
.plan-name {
  font-size: 1.5rem; font-weight: 600;
  margin-bottom: 0.6rem;
}
.plan-price {
  font-family: var(--display); font-weight: 700;
  font-size: clamp(2.2rem, 3.4vw, 2.8rem);
  letter-spacing: -0.01em;
  margin-bottom: 1.1rem;
}
.plan-price .plan-price-unit { font-size: 0.9rem; font-weight: 500; opacity: 0.6; margin-left: 0.3rem; }
.plan-desc {
  color: var(--light-mute);
  flex: 1;
  margin-bottom: 1.8rem;
}
.plan-card.is-featured .plan-desc { color: rgba(246, 241, 231, 0.7); }
.plan-cta {
  align-self: flex-start;
  width: 100%; justify-content: center;
}
.plan-card:not(.is-featured) .plan-cta {
  background: transparent; border: 1px solid var(--light-line); color: var(--light-ink);
  box-shadow: none;
}
.plan-card:not(.is-featured) .plan-cta:hover { border-color: var(--light-ink); }

.plans-foot {
  margin-top: 3rem;
  color: var(--light-mute);
  font-size: 0.95rem;
  max-width: 46rem;
}

/* --- Potenciá tu negocio --- */
.addons-grid {
  display: grid; gap: 1.1rem;
  grid-template-columns: 1fr;
}
@media (min-width: 640px) { .addons-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1280px) { .addons-grid { grid-template-columns: repeat(5, 1fr); } }
.addon-card {
  padding: 1.8rem 1.6rem;
}
.addon-card:hover { transform: translateY(-5px); border-color: var(--accent); }
.addon-index {
  font-family: var(--mono); font-size: 0.78rem; color: var(--accent);
  margin-bottom: 1rem; display: block;
}
.addon-name {
  font-size: 1.12rem; font-weight: 600; margin-bottom: 0.55rem;
}
.addon-desc {
  color: var(--ink-mute); font-size: 0.95rem; line-height: 1.5;
}

/* --- Mantenimiento --- */
.maint-bridge {
  max-width: 44rem; margin-bottom: 3.5rem;
}
.maint-bridge p {
  font-size: clamp(1.1rem, 1.8vw, 1.35rem);
  color: var(--ink-mute);
}
.maint-grid {
  display: grid; gap: 1.4rem;
  grid-template-columns: 1fr;
}
@media (min-width: 820px) { .maint-grid { grid-template-columns: repeat(2, 1fr); } }
.maint-card {
  padding: clamp(2rem, 3vw, 2.6rem);
}
.maint-card.is-highlight { border-color: var(--accent); background: var(--bg-3); }
.maint-head {
  display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap;
  gap: 0.6rem; margin-bottom: 1.6rem;
}
.maint-name { font-size: 1.4rem; font-weight: 600; }
.maint-price {
  font-family: var(--display); font-weight: 700; font-size: 1.8rem;
}
.maint-price .maint-price-period { font-size: 0.85rem; font-weight: 500; color: var(--ink-mute); margin-left: 0.2rem; }
.maint-list {
  display: flex; flex-wrap: wrap; gap: 0.55rem 0.5rem;
}
.maint-list li {
  font-family: var(--mono); font-size: 0.78rem;
  padding: 0.42rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 100px;
  color: var(--ink-mute);
}

/* --- Portfolio --- */
.portfolio-list {
  border-top: 1px solid var(--line);
}
.project-row {
  border-bottom: 1px solid var(--line);
}
.project-row summary {
  list-style: none;
  cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
  padding-block: clamp(1.6rem, 3vw, 2.4rem);
}
.project-row summary::-webkit-details-marker { display: none; }
.project-row-main {
  display: flex; flex-direction: column;
  gap: 0.5rem;
}
.project-name {
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  font-weight: 600;
}
.project-meta {
  font-family: var(--mono); font-size: 0.8rem;
  color: var(--ink-dim); letter-spacing: 0.02em;
}
.project-desc {
  display: none;
  color: var(--ink-mute); font-size: 1rem; max-width: 30ch;
}
@media (min-width: 720px) { .project-desc { display: block; } }
.project-toggle {
  flex: none;
  width: 42px; height: 42px;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: grid; place-items: center;
  position: relative;
  transition: border-color 0.3s var(--ease-out), transform 0.4s var(--ease-out);
}
.project-toggle::before, .project-toggle::after {
  content: ""; position: absolute;
  background: var(--ink);
  transition: transform 0.35s var(--ease-out);
}
.project-toggle::before { width: 14px; height: 1.5px; }
.project-toggle::after  { width: 1.5px; height: 14px; }
.project-row[open] .project-toggle { transform: rotate(45deg); border-color: var(--accent); }
.project-row:hover .project-toggle { border-color: var(--accent); }
.project-detail {
  padding-bottom: clamp(1.6rem, 3vw, 2.4rem);
  max-width: 52ch;
}
.project-detail p {
  color: var(--ink-mute);
  font-size: 1.05rem;
}
@media (prefers-reduced-motion: no-preference) {
  .project-detail {
    animation: projectDetailIn 0.5s var(--ease-soft);
  }
}
@keyframes projectDetailIn {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: none; }
}

/* --- Contacto --- */
.contact {
  text-align: left;
}
.contact-head { max-width: 40rem; }
.contact-link {
  display: inline-block;
  margin-top: 1.6rem;
  font-family: var(--display); font-weight: 700;
  font-size: clamp(2.6rem, 9vw, 6.4rem);
  letter-spacing: -0.02em;
  position: relative;
}
.contact-link::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0.06em;
  height: 3px; background: var(--accent);
  transform: scaleX(0); transform-origin: right;
  transition: transform 0.55s var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .contact-link:hover::after { transform: scaleX(1); transform-origin: left; }
  .contact-link:hover { color: var(--accent); }
}
.contact-meta {
  margin-top: 2.2rem;
  display: flex; flex-wrap: wrap; gap: 1.6rem;
  font-family: var(--mono); font-size: 0.85rem;
  color: var(--ink-mute);
}
.contact-meta li { display: flex; align-items: center; gap: 0.5rem; }
.contact-meta .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }

/* --- Footer --- */
.footer {
  border-top: 1px solid var(--line);
  padding-block: 2.4rem;
}
.footer-inner {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 1rem;
}
.footer-brand {
  font-family: var(--display); font-weight: 700; font-size: 1rem;
}
.footer-meta {
  font-family: var(--mono); font-size: 0.78rem;
  color: var(--ink-dim);
  display: flex; gap: 1.4rem; flex-wrap: wrap;
}

/* =============================================================
   7. Effects
   ============================================================= */
[data-count-to] { font-variant-numeric: tabular-nums; }

/* =============================================================
   8. Responsive tweaks
   ============================================================= */
@media (min-width: 540px) {
  .hero-actions { gap: 1.2rem; }
}
@media (min-width: 720px) {
  .project-row-main { flex-direction: row; align-items: baseline; gap: 1.4rem; }
}
@media (min-width: 960px) {
  .section { padding-block: clamp(6rem, 8vw, 10rem); }
}

/* =============================================================
   9. Reduced motion — only intrusive effects gated
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  .hero-gradient { transition: none; }
  /* Do NOT disable: invert-hover, reveals, count-up, underline, tilts */
}