/* =============================================================
   1. Tokens
   ============================================================= */
:root {
  --bg:        #000926;
  --bg-2:      #071233;
  --card:      #0d1c40;
  --card-2:    #14264d;
  --ink:       #d6e6f3;
  --ink-soft:  #bcd3e6;
  --mute:      #8296ac;
  --line:      rgba(214,230,243,0.10);
  --line-2:    rgba(214,230,243,0.18);

  --accent:    #0f52ba;
  --accent-2:  #a6c5d7;
  --gradient-1: #0f52ba;
  --gradient-2: #a6c5d7;
  --gradient-3: #d6e6f3;

  --serif: "Newsreader", Georgia, serif;
  --sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --mono:  "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;

  --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);

  --radius: 14px;
  --nav-h: 76px;
}

@property --mx { syntax: "<percentage>"; inherits: true; initial-value: 50%; }
@property --my { syntax: "<percentage>"; inherits: true; initial-value: 40%; }

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html { -webkit-text-size-adjust: 100%; tab-size: 2; scroll-behavior: smooth; }
@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: -0.01em; font-weight: 500; }
ul, ol { list-style: none; padding: 0; }
::selection { background: var(--accent); color: #fff; }

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

/* =============================================================
   3. Utilities
   ============================================================= */
.skip-link {
  position: fixed; top: -100px; left: 1rem;
  padding: .7rem 1.2rem; background: var(--ink); color: var(--bg);
  z-index: 9999; border-radius: 8px; font-weight: 600;
  transition: top .25s var(--ease-out);
}
.skip-link:focus { top: 1rem; }

.container {
  width: 100%;
  max-width: 1240px;
  margin-inline: auto;
  padding-inline: 1.25rem;
}
@media (min-width: 720px)  { .container { padding-inline: 2rem; } }
@media (min-width: 1280px) { .container { padding-inline: 2.5rem; } }

.section { padding-block: clamp(4rem, 9vw, 8rem); position: relative; }

.kicker {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
  display: inline-block;
}
.kicker-center { display: block; text-align: center; }

.section-head { max-width: 46ch; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section-head h2 { font-family: var(--serif); font-size: clamp(1.9rem, 3.6vw, 2.8rem); }

/* Progressive-enhancement reveal system.
   html.no-js keeps everything visible; html.js hides then reveals via IO. */
html.js [data-reveal] {
  opacity: 0; transform: translateY(32px);
  transition: opacity .8s var(--ease-soft), transform .8s var(--ease-soft);
}
html.js [data-reveal].is-revealed { opacity: 1; transform: none; }
html.no-js [data-reveal] { opacity: 1; transform: none; }

/* =============================================================
   4. Buttons
   ============================================================= */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: 0.95rem 1.7rem;
  border-radius: 999px;
  font-weight: 500;
  font-size: 0.95rem;
  transition: transform .5s var(--ease-soft), box-shadow .5s var(--ease-soft), background .3s var(--ease-out), color .3s var(--ease-out);
  white-space: nowrap;
}
.btn-primary {
  background: var(--ink); color: var(--bg);
  box-shadow: 0 1px 0 rgba(255,255,255,0.4) inset;
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 40px -12px rgba(15,82,186,0.45), 0 1px 0 rgba(255,255,255,0.4) inset;
  background: var(--accent); color: #fff;
}
.btn-primary:active { transform: translateY(-1px); transition-duration: .12s; }

.btn-ghost {
  background: transparent; color: var(--ink);
  border: 1px solid var(--line-2);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-3px); }

/* =============================================================
   5. Nav
   ============================================================= */
.nav {
  position: fixed; top: 0; inset-inline: 0; z-index: 200;
  height: var(--nav-h);
  display: flex; align-items: center;
  transition: background-color .4s var(--ease-out), border-color .4s var(--ease-out), backdrop-filter .4s var(--ease-out);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(10,10,13,0.78);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--line);
}
.nav-inner {
  width: 100%; max-width: 1240px; margin-inline: auto; padding-inline: 1.25rem;
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
}
@media (min-width: 720px)  { .nav-inner { padding-inline: 2rem; } }
@media (min-width: 1280px) { .nav-inner { padding-inline: 2.5rem; } }

.brand { display: inline-flex; align-items: center; gap: .65rem; }
.brand-logo { height: 34px; width: auto; flex-shrink: 0; display: block; }
.brand-mark {
  width: 26px; height: 26px; border-radius: 8px;
  background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
  flex-shrink: 0;
}
.brand-name {
  font-family: var(--mono); font-weight: 500; font-size: 1rem;
  letter-spacing: 0.02em; color: var(--ink);
  display: inline-flex; flex-direction: column; line-height: 1.05;
}
.brand-name-sub { font-size: 0.62em; color: var(--mute); font-weight: 400; letter-spacing: 0.08em; }
.brand-tagline {
  font-family: var(--mono); font-size: 0.68rem; color: var(--mute);
  letter-spacing: 0.1em; text-transform: uppercase;
}

.nav-links { display: none; align-items: center; gap: 2.1rem; }
@media (min-width: 960px) { .nav-links { display: flex; } }
.nav-link {
  position: relative; padding: .3rem 0; font-size: 0.92rem; color: var(--ink-soft);
  transition: color .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 .45s 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: 960px) { .nav-cta { display: inline-flex; padding: .7rem 1.3rem; font-size: 0.88rem; } }

.nav-burger {
  display: grid; place-items: center; width: 40px; height: 40px;
}
@media (min-width: 960px) { .nav-burger { display: none; } }
.nav-burger span, .nav-burger::before, .nav-burger::after {
  content: ""; display: block; width: 20px; height: 1.5px; background: var(--ink);
  transition: transform .35s var(--ease-soft), opacity .3s;
}
.nav-burger::before { transform: translateY(-6px); }
.nav-burger::after  { transform: translateY(6px); }
.nav-burger[aria-expanded="true"] span { opacity: 0; }
.nav-burger[aria-expanded="true"]::before { transform: rotate(45deg); }
.nav-burger[aria-expanded="true"]::after  { transform: rotate(-45deg); }

.nav-mobile {
  position: fixed; inset: 0; z-index: 190;
  background: var(--bg);
  display: grid; place-items: center; gap: 2.5rem;
  clip-path: inset(0 0 100% 0);
  transition: clip-path .6s var(--ease-soft);
}
.nav-mobile[data-open="true"] { clip-path: inset(0); }
.nav-mobile-links { display: flex; flex-direction: column; align-items: center; gap: 1.6rem; }
.nav-mobile-links a { font-family: var(--serif); font-size: 1.7rem; }

/* =============================================================
   6. Sections — Hero
   ============================================================= */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; align-items: center;
  padding-top: var(--nav-h);
  overflow: clip;
}
.hero-gradient {
  position: absolute; inset: 0; z-index: -2;
  background:
    radial-gradient(circle 620px at var(--mx) var(--my), var(--gradient-1) 0%, transparent 55%),
    radial-gradient(circle 780px at calc(var(--mx) + 14%) calc(var(--my) - 12%), var(--gradient-2) 0%, transparent 55%),
    radial-gradient(circle 680px at calc(var(--mx) - 16%) calc(var(--my) + 16%), var(--gradient-3) 0%, transparent 55%),
    var(--bg);
  filter: blur(60px) saturate(130%);
  opacity: 0.55;
}
.hero-grid {
  position: absolute; inset: 0; z-index: -1;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black 40%, transparent 100%);
}
.hero-inner { padding-block: clamp(3rem, 8vw, 4rem); }
.hero-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(3.2rem, 10vw, 8rem);
  line-height: 0.98;
  max-width: 16ch;
  margin-block: 1.1rem 1.6rem;
}
.hero-title em {
  font-style: italic;
  background: linear-gradient(100deg, var(--gradient-1), var(--gradient-2) 60%, var(--gradient-3));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub {
  font-size: clamp(1.02rem, 1.6vw, 1.2rem);
  color: var(--ink-soft);
  max-width: 52ch;
  margin-bottom: 0.9rem;
}
.hero-sub-2 {
  font-size: clamp(0.92rem, 1.3vw, 1.02rem);
  color: var(--mute);
  max-width: 50ch;
  margin-bottom: 2.2rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; }

/* =============================================================
   7. Philosophy
   ============================================================= */
.philosophy-inner { max-width: 62ch; margin-inline: auto; text-align: center; }
.philosophy-title {
  font-family: var(--serif); font-size: clamp(1.9rem, 4vw, 3rem);
  margin-bottom: 1.5rem;
}
.philosophy-body { font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: var(--ink-soft); line-height: 1.7; }
.philosophy-body + .philosophy-body { margin-top: 1.1rem; }

/* =============================================================
   8. Services (accordion — signature list)
   ============================================================= */
.services-list { border-top: 1px solid var(--line); }
.service-row { border-bottom: 1px solid var(--line); }
.service-row-toggle {
  width: 100%; display: flex; align-items: center; gap: clamp(1rem, 3vw, 2.5rem);
  padding-block: clamp(1.4rem, 3vw, 2.1rem);
  text-align: left;
  transition: background-color .4s var(--ease-out), padding-inline .4s var(--ease-out);
}
.service-row-toggle:hover,
.service-row[data-open="true"] .service-row-toggle {
  background: var(--ink);
  color: var(--bg);
  padding-inline: 1.25rem;
}
.service-row-toggle:hover .service-row-short,
.service-row[data-open="true"] .service-row-short { color: rgba(10,10,13,0.65); }
.service-row-toggle:hover .service-row-num,
.service-row[data-open="true"] .service-row-num { color: var(--accent); }

.service-row-num {
  font-family: var(--mono); font-size: 0.95rem; color: var(--mute);
  flex-shrink: 0; width: 2.5ch;
  transition: color .3s var(--ease-out);
}
.service-row-main { flex: 1; display: flex; flex-direction: column; gap: .35rem; }
.service-row-name {
  font-family: var(--serif); font-size: clamp(1.35rem, 3.4vw, 2.2rem); font-weight: 400;
}
.service-row-short { color: var(--mute); font-size: 0.95rem; transition: color .3s var(--ease-out); }

.service-row-icon {
  flex-shrink: 0; width: 28px; height: 28px; position: relative;
}
.service-row-icon::before, .service-row-icon::after {
  content: ""; position: absolute; top: 50%; left: 50%;
  background: currentColor;
  transition: transform .45s var(--ease-soft);
}
.service-row-icon::before { width: 14px; height: 1.5px; transform: translate(-50%, -50%); }
.service-row-icon::after  { width: 1.5px; height: 14px; transform: translate(-50%, -50%); }
.service-row[data-open="true"] .service-row-icon::after { transform: translate(-50%, -50%) rotate(90deg) scale(0); }

.service-row-body {
  display: grid; grid-template-rows: 0fr;
  transition: grid-template-rows .55s var(--ease-soft);
}
.service-row[data-open="true"] .service-row-body { grid-template-rows: 1fr; }
html.no-js .service-row-body { grid-template-rows: 1fr; }
.service-row-body-inner { overflow: hidden; min-height: 0; }
.service-row-body-inner p {
  max-width: 62ch; color: var(--ink-soft);
  padding: 0 1.25rem 1.9rem calc(2.5ch + clamp(1rem, 3vw, 2.5rem));
}

/* =============================================================
   9. Difference (statement band)
   ============================================================= */
.difference { background: var(--bg-2); position: relative; overflow: clip; }
.difference::before {
  content: ""; position: absolute; inset: -20% 10% auto 10%; height: 60%;
  background: radial-gradient(ellipse, rgba(15,82,186,0.18), transparent 70%);
  filter: blur(60px); pointer-events: none;
}
.difference-inner { max-width: 58ch; margin-inline: auto; text-align: center; position: relative; }
.difference-title {
  font-family: var(--serif); font-size: clamp(2rem, 4.6vw, 3.4rem);
  margin-bottom: 1.5rem;
}
.difference-title em {
  font-style: italic; color: var(--accent);
}
.difference-body { color: var(--ink-soft); font-size: clamp(1.02rem, 1.5vw, 1.15rem); }

/* =============================================================
   10. Process
   ============================================================= */
.process-list { display: flex; flex-direction: column; }
.process-item {
  display: grid; grid-template-columns: auto 1fr; gap: clamp(1.2rem, 3vw, 2.5rem);
  padding-block: clamp(1.3rem, 2.6vw, 1.8rem);
  border-top: 1px solid var(--line);
  align-items: baseline;
}
.process-item:last-child { border-bottom: 1px solid var(--line); }
.process-num { font-family: var(--mono); font-size: 0.95rem; color: var(--accent); }
.process-body h3 { font-family: var(--serif); font-size: clamp(1.2rem, 2.4vw, 1.6rem); margin-bottom: .4rem; font-weight: 500; }
.process-body p { color: var(--mute); max-width: 56ch; }
@media (min-width: 720px) {
  .process-item { grid-template-columns: 4rem 1fr; }
}

.stats-row {
  margin-top: clamp(3rem, 6vw, 5rem);
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2rem;
  border-top: 1px solid var(--line);
  padding-top: clamp(2.5rem, 5vw, 3.5rem);
}
.stat { display: flex; flex-direction: column; gap: .4rem; }
.stat-value {
  font-family: var(--serif); font-size: clamp(2.4rem, 5vw, 3.4rem);
  background: linear-gradient(100deg, var(--gradient-1), var(--gradient-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat-label { color: var(--mute); font-size: 0.9rem; }

/* =============================================================
   11. About (nosotros)
   ============================================================= */
.about-grid {
  display: grid; gap: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: clamp(3rem, 6vw, 5rem);
}
@media (min-width: 960px) { .about-grid { grid-template-columns: 1fr 1fr; } }

.about-block h2 {
  font-family: var(--serif); font-size: clamp(1.7rem, 3.2vw, 2.3rem);
  margin-bottom: 1rem;
}
.about-block p { color: var(--ink-soft); max-width: 52ch; margin-bottom: 1.5rem; }

.tag-list, .stack-cloud { display: flex; flex-wrap: wrap; gap: .6rem; }
.tag-list li, .stack-cloud li {
  font-family: var(--mono); font-size: 0.8rem;
  padding: .5rem 0.9rem; border-radius: 999px;
  border: 1px solid var(--line-2); color: var(--ink-soft);
  transition: border-color .3s var(--ease-out), color .3s var(--ease-out);
}
.stack-cloud { margin-top: 1.6rem; }
.tag-list li:hover, .stack-cloud li:hover { border-color: var(--accent); color: var(--accent); }

.values-block { margin-bottom: clamp(3rem, 6vw, 5rem); }
.values-block > .kicker { display: block; margin-bottom: 1.5rem; }
.values-grid { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; grid-template-columns: 1fr; }
@media (min-width: 640px) { .values-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .values-grid { grid-template-columns: repeat(5, 1fr); } }
.value { background: var(--card); padding: 1.6rem 1.4rem; }
.value h3 { font-family: var(--serif); font-size: 1.15rem; margin-bottom: .5rem; font-weight: 500; }
.value p { color: var(--mute); font-size: 0.88rem; }

.mission-vision { display: grid; gap: 2.5rem; }
@media (min-width: 720px) { .mission-vision { grid-template-columns: 1fr 1fr; } }
.mv-block p:last-child { color: var(--ink-soft); max-width: 48ch; }

/* =============================================================
   12. Contact
   ============================================================= */
.contact { position: relative; overflow: clip; background: var(--bg-2); }
.contact-gradient {
  position: absolute; inset: 0; z-index: 0;
  background: radial-gradient(circle 700px at 50% 0%, rgba(15,82,186,0.22), transparent 60%);
  pointer-events: none;
}
.contact-inner { position: relative; max-width: 720px; margin-inline: auto; text-align: center; }
.contact-title { font-family: var(--serif); font-size: clamp(2rem, 4.6vw, 3.2rem); margin-bottom: 1rem; }
.contact-sub { color: var(--ink-soft); margin-bottom: 2.2rem; }

.contact-email {
  position: relative; display: inline-block;
  font-family: var(--serif); font-style: italic;
  font-size: clamp(1.4rem, 3.6vw, 2.2rem);
  color: var(--ink); margin-bottom: 3rem;
}
.contact-email::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -4px;
  height: 1.5px; background: var(--accent);
  transform: scaleX(0.15); transform-origin: center;
  transition: transform .5s var(--ease-out);
}
.contact-email:hover::after { transform: scaleX(1); }
.contact-email:hover { color: var(--accent); }

.contact-form-wrap { position: relative; text-align: left; max-width: 560px; margin-inline: auto; }
.contact-form { display: grid; grid-template-columns: 1fr; gap: 1.3rem; }
@media (min-width: 640px) { .contact-form { grid-template-columns: 1fr 1fr; } }
.field-full { grid-column: 1 / -1; }

.field { position: relative; }
.field input, .field textarea {
  width: 100%; padding: 1.3rem 1rem 0.6rem; border: 1px solid var(--line-2);
  border-radius: 10px; background: var(--card); color: var(--ink);
  font-family: var(--sans); font-size: 0.95rem;
  transition: border-color .3s var(--ease-out);
  resize: vertical;
}
.field input:focus, .field textarea:focus { border-color: var(--accent); outline: none; }
.field label {
  position: absolute; left: 1rem; top: 1.05rem;
  pointer-events: none; transition: all .25s var(--ease-out);
  color: var(--mute); font-size: 0.95rem;
}
.field input:focus + label,
.field input:not(:placeholder-shown) + label,
.field textarea:focus + label,
.field textarea:not(:placeholder-shown) + label {
  top: 0.5rem; font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent);
}

.contact-submit { width: 100%; justify-content: center; position: relative; margin-top: .3rem; }
.contact-form.is-sending .cta-form-label { opacity: 0; }
.contact-form.is-sending .cta-form-spinner { opacity: 1; }
.cta-form-spinner {
  position: absolute; inset: 0; display: grid; place-items: center;
  opacity: 0; pointer-events: none; transition: opacity .2s;
}
.cta-form-spinner::after {
  content: ""; width: 18px; height: 18px;
  border: 1.5px solid rgba(10,10,13,0.25); border-top-color: var(--bg);
  border-radius: 50%; animation: spin .9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.contact-form { transition: opacity .5s var(--ease-out), transform .5s var(--ease-soft); }
.contact-form.is-sent { opacity: 0; transform: translateY(-10px); pointer-events: none; position: absolute; inset: 0; }

.contact-success {
  opacity: 0; transform: translateY(12px); pointer-events: none;
  transition: opacity .6s var(--ease-out), transform .6s var(--ease-soft);
  text-align: center; padding-block: 1rem;
}
.contact-success.is-visible { opacity: 1; transform: none; pointer-events: auto; }
.contact-success h3 { font-family: var(--serif); font-size: 1.6rem; margin-bottom: .5rem; color: var(--accent); }
.contact-success p { color: var(--ink-soft); }

/* =============================================================
   13. Footer
   ============================================================= */
.footer { border-top: 1px solid var(--line); padding-block: clamp(3rem, 6vw, 4.5rem); }
.footer-inner {
  display: grid; gap: 2.5rem;
  grid-template-columns: 1fr;
}
@media (min-width: 720px) {
  .footer-inner { grid-template-columns: 1.4fr 1fr 1fr; align-items: start; }
}
.footer-brand { display: flex; flex-direction: column; align-items: flex-start; gap: .8rem; }
.footer-brand .brand-logo { height: 30px; }
.footer-brand p { color: var(--mute); font-size: 0.9rem; max-width: 32ch; }
.footer-links { display: flex; flex-direction: column; gap: .8rem; }
.footer-links a { color: var(--ink-soft); font-size: 0.92rem; transition: color .3s; }
.footer-links a:hover { color: var(--accent); }
.footer-copy { color: var(--mute); font-size: 0.82rem; align-self: end; }

/* =============================================================
   14. Reduced motion — only truly intrusive effects
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  .hero-gradient { animation: none; }
  .cta-form-spinner::after { animation-duration: 1.6s; }
  /* Do NOT disable: reveals, hover states, underlines, accordion, count-up */
}