/* ════════════════════════════════════════════════════════════════
   NexaFlow.IA — Editorial · Tech · Eco
   Stylesheet
   ════════════════════════════════════════════════════════════════ */

:root {
  /* Brand palette — extraída del logo oficial */
  --navy:        #0A2540;
  --navy-deep:   #061829;
  --ink:         #0E2C4B;
  --teal:        #146E7E;
  --turquoise:   #229B8F; /* Darkened for WCAG contrast */
  --eco:         #4CAF50;
  --eco-light:   #6FCF73;
  --sand:        #F4EFE6;
  --foam:        #E8F2F3;
  --cream:       #FAF7F2;
  --white:       #FFFFFF;
  --gray-100:    #F0F2F5;
  --gray-300:    #C2CCD6;
  --gray-500:    #455A64; /* WCAG Legibility */
  --gray-700:    #2C3E50;

  /* Typography */
  --font-display: "Fraunces", "Times New Roman", serif;
  --font-body:    "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono:    "JetBrains Mono", "Courier New", monospace;

  /* Spacing scale */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-6: 3rem;
  --space-8: 4rem;
  --space-12: 6rem;
  --space-16: 8rem;

  /* Container */
  --container: 1240px;
}

/* ═══════════ RESET ═══════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  background: var(--cream);
  color: var(--navy);
  line-height: 1.6;
  font-weight: 400;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; background: none; border: none; }
ul { list-style: none; }
em { font-style: italic; }

::selection { background: var(--turquoise); color: var(--white); }

/* WCAG Focus States */
:focus-visible {
  outline: 2px solid var(--turquoise);
  outline-offset: 4px;
}

/* ═══════════ TYPOGRAPHY ═══════════ */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.05;
  font-variation-settings: "opsz" 144, "SOFT" 50;
}
h3 { font-variation-settings: "opsz" 24, "SOFT" 30; font-weight: 600; }

p { font-size: 1.05rem; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

/* ═══════════ NAV ═══════════ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(10, 37, 64, 0.0);
  border-bottom: 1px solid transparent;
  transition: all 0.3s ease;
  color: var(--cream);
}
.nav.scrolled {
  background: rgba(10, 37, 64, 0.85);
  border-bottom-color: rgba(255,255,255,0.08);
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.nav__logo { height: clamp(40px, 4vw, 56px); width: auto; max-width: 220px; color: var(--turquoise); object-fit: contain; }
.nav__name { display: flex; align-items: baseline; }
.nav__dot { color: var(--eco); margin: 0 1px; }
.nav__ia { color: var(--turquoise); }

.nav__links {
  display: flex;
  gap: var(--space-4);
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 500;
}
.nav__links a {
  position: relative;
  padding: 0.4rem 0;
  transition: color 0.2s;
  opacity: 0.85;
}
.nav__links a:hover { opacity: 1; color: var(--turquoise); }
.nav__links a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--turquoise);
  transition: width 0.3s ease;
}
.nav__links a:hover::after { width: 100%; }

.nav__cta {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.6rem 1.2rem;
  border: 1px solid var(--turquoise);
  border-radius: 999px;
  color: var(--turquoise);
  transition: all 0.2s ease;
}
.nav__cta:hover {
  background: var(--turquoise);
  color: var(--navy);
}

/* ═══════════ HERO ═══════════ */
.hero {
  position: relative;
  min-height: 100vh;
  background: var(--navy);
  background:
    radial-gradient(ellipse at top left, rgba(43, 175, 163, 0.18), transparent 50%),
    radial-gradient(ellipse at bottom right, rgba(76, 175, 80, 0.12), transparent 50%),
    var(--navy);
  color: var(--cream);
  overflow: hidden;
  display: flex;
  align-items: center;
  padding: 7rem var(--space-4) 4rem;
}

.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.6;
  pointer-events: none;
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: var(--container);
  margin: 0 auto;
  width: 100%;
}

.hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-300);
  margin-bottom: var(--space-4);
}
.dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  box-shadow: 0 0 12px currentColor;
}
.dot--turquoise { background: var(--turquoise); color: var(--turquoise); animation: pulse 2s infinite; }
.hero__divider { opacity: 0.4; }

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.25); }
}

.hero__title {
  font-size: clamp(2.8rem, 7.5vw, 6.2rem);
  font-weight: 400;
  font-variation-settings: "opsz" 144, "SOFT" 50;
  line-height: 1;
  margin-bottom: var(--space-4);
  letter-spacing: -0.035em;
}
.hero__title em {
  font-style: italic;
  font-weight: 500;
  color: var(--turquoise);
  font-variation-settings: "opsz" 144, "SOFT" 100;
}
.hero__title em.eco { color: var(--eco-light); }

.reveal-line {
  display: block;
  overflow: hidden;
}
.reveal-line > span {
  display: block;
  transform: translateY(110%);
  animation: lineUp 1.1s cubic-bezier(0.25, 0.8, 0.25, 1) forwards;
}
.reveal-line:nth-child(1) > span { animation-delay: 0.15s; }
.reveal-line:nth-child(2) > span { animation-delay: 0.30s; }
.reveal-line:nth-child(3) > span { animation-delay: 0.45s; }
.reveal-line:nth-child(4) > span { animation-delay: 0.60s; }

@keyframes lineUp {
  from { transform: translateY(110%); }
  to { transform: translateY(0); }
}

.hero__sub {
  max-width: 620px;
  font-size: 1.15rem;
  line-height: 1.65;
  color: rgba(244, 239, 230, 0.78);
  margin-bottom: var(--space-4);
  opacity: 0;
  animation: fadeUp 1s ease 0.9s forwards;
}
.hero__sub strong { color: var(--eco-light); font-weight: 600; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero__actions {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-6);
  opacity: 0;
  animation: fadeUp 1s ease 1.05s forwards;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.95rem 1.6rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 999px;
  transition: all 0.25s ease;
  letter-spacing: 0.01em;
}
.btn--primary {
  background: var(--turquoise);
  color: var(--navy);
}
.btn--primary:hover {
  background: var(--eco-light);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(43, 175, 163, 0.4);
}
.btn--primary svg { transition: transform 0.2s; }
.btn--primary:hover svg { transform: translateX(4px); }
.btn--ghost {
  border: 1px solid rgba(255,255,255,0.25);
  color: var(--cream);
}
.btn--ghost:hover { background: rgba(255,255,255,0.06); border-color: var(--turquoise); }
.btn--lg { padding: 1.2rem 2rem; font-size: 1.05rem; }

.hero__badges {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 1s ease 1.2s forwards;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.03);
  color: rgba(244,239,230,0.85);
}
.badge__icon { color: var(--turquoise); font-weight: 700; }
.badge--eco { border-color: rgba(76, 175, 80, 0.4); }
.badge--eco .badge__icon { color: var(--eco-light); }
.badge--cert {
  background: rgba(76, 175, 80, 0.12);
  border-color: rgba(76, 175, 80, 0.5);
  color: var(--eco-light);
}
.badge--cert .badge__icon { color: var(--eco-light); }

.hero__code {
  position: absolute;
  right: -2rem;
  bottom: 18%;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: rgba(244, 239, 230, 0.3);
  background: rgba(6, 24, 41, 0.55);
  border-left: 2px solid var(--turquoise);
  padding: 1rem 1.2rem;
  border-radius: 6px;
  line-height: 1.7;
  pointer-events: none;
  opacity: 0;
  animation: fadeUp 1s ease 1.4s forwards;
  max-width: 340px;
}
.hero__code pre { white-space: pre-wrap; }
.c-comment { color: rgba(76, 175, 80, 0.7); font-style: italic; }
.c-keyword { color: var(--turquoise); }
.c-fn { color: #f5d05e; }
.c-num { color: var(--eco-light); }
.c-str { color: #f5b08a; }

.hero__scroll {
  position: absolute;
  bottom: var(--space-3);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: rgba(244,239,230,0.5);
  text-transform: uppercase;
}
.hero__scroll svg { animation: bounce 2s infinite; }
@keyframes bounce { 0%,100% { transform: translateY(0); } 50% { transform: translateY(6px); } }

/* ═══════════ WAVE DIVIDER ═══════════ */
.wave {
  display: block;
  width: 100%;
  height: 80px;
  margin-top: -1px;
  color: var(--ink);
}

/* ═══════════ SECTION LABEL ═══════════ */
.section__label {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: var(--space-3);
}
.section__label::before {
  content: "";
  width: 32px;
  height: 1px;
  background: var(--teal);
}
.section__num { color: var(--turquoise); }
.section__label--light { color: var(--turquoise); }
.section__label--light::before { background: var(--turquoise); }

.section__title {
  font-size: clamp(2.2rem, 5.5vw, 4.2rem);
  font-weight: 400;
  margin-bottom: var(--space-3);
  letter-spacing: -0.03em;
}
.section__title em {
  color: var(--turquoise);
  font-style: normal;
  font-weight: 500;
}
.section__lede {
  font-size: 1.15rem;
  max-width: 720px;
  color: var(--gray-500);
  margin-bottom: var(--space-6);
}

/* ═══════════ MANIFIESTO ═══════════ */
.manifesto {
  padding: var(--space-12) 0;
  background: var(--ink);
  color: var(--cream);
  position: relative;
}

.manifesto__title {
  font-size: clamp(2rem, 5vw, 3.8rem);
  font-weight: 300;
  font-style: italic;
  line-height: 1.15;
  margin: 0 auto var(--space-8);
  max-width: 900px;
  font-variation-settings: "opsz" 144, "SOFT" 100;
}
.manifesto__title span {
  display: block;
  opacity: 0.4;
  transition: opacity 0.6s ease;
}
.manifesto__title span:nth-child(1) { color: var(--turquoise); font-style: normal; }
.manifesto.is-visible .manifesto__title span { opacity: 1; }
.manifesto.is-visible .manifesto__title span:nth-child(2) { transition-delay: 0.1s; }
.manifesto.is-visible .manifesto__title span:nth-child(3) { transition-delay: 0.25s; }
.manifesto.is-visible .manifesto__title span:nth-child(4) { transition-delay: 0.4s; }

.manifesto__banner-wrapper {
  max-width: 100%;
  margin: 0 auto var(--space-8);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.manifesto__banner {
  width: 100%;
  height: auto;
  display: block;
  transform: scale(1.02);
  transition: transform 0.8s cubic-bezier(0.25, 0.8, 0.25, 1);
}
.manifesto__banner-wrapper:hover .manifesto__banner {
  transform: scale(1);
}

.manifesto__body {
  max-width: 900px;
  margin: 0 auto;
}
.dropcap {
  font-size: 1.35rem;
  line-height: 1.65;
  color: rgba(244,239,230,0.88);
  margin-bottom: var(--space-6);
}
.drop {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 4.5rem;
  line-height: 0.85;
  float: left;
  margin: 0.25rem 0.7rem -0.3rem 0;
  color: var(--turquoise);
  font-variation-settings: "opsz" 144, "SOFT" 50;
}

.manifesto__triad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin: var(--space-6) 0;
}
.triad-card {
  padding: var(--space-3);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  background: rgba(255,255,255,0.02);
  transition: all 0.3s ease;
}
.triad-card:hover {
  border-color: var(--turquoise);
  background: rgba(43,175,163,0.06);
  transform: translateY(-4px);
}
.triad-card--eco:hover { border-color: var(--eco); background: rgba(76,175,80,0.06); }
.triad-card__icon {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  color: var(--turquoise);
  margin-bottom: var(--space-2);
}
.triad-card--eco .triad-card__icon { color: var(--eco-light); }
.triad-card h3 {
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
}
.triad-card p {
  font-size: 0.95rem;
  color: rgba(244,239,230,0.7);
}

.pullquote {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  font-style: italic;
  font-weight: 400;
  line-height: 1.4;
  padding-left: var(--space-4);
  border-left: 3px solid var(--turquoise);
  color: var(--cream);
  margin-top: var(--space-6);
  font-variation-settings: "opsz" 72, "SOFT" 100;
}

/* ═══════════ ADN ═══════════ */
.adn {
  padding: var(--space-12) 0;
  background: var(--cream);
}

.adn__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.adn__card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: 16px;
  padding: var(--space-4);
  transition: all 0.4s ease;
  overflow: hidden;
}
.adn__card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--turquoise), var(--teal));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s ease;
}
.adn__card:hover { transform: translateY(-6px); box-shadow: 0 20px 50px rgba(10, 37, 64, 0.1); }
.adn__card:hover::before { transform: scaleX(1); }
.adn__card--eco::before { background: linear-gradient(90deg, var(--eco), var(--eco-light)); }

.adn__head {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--space-3);
}
.adn__chip {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--gray-500);
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--gray-300);
  border-radius: 4px;
}
.adn__chip--ai { color: var(--turquoise); border-color: var(--turquoise); }
.adn__chip--eco { color: var(--eco); border-color: var(--eco); }

.adn__card h3 {
  font-size: 1.8rem;
  margin-bottom: var(--space-2);
  color: var(--navy);
}
.adn__card p { color: var(--gray-700); margin-bottom: var(--space-3); }
.adn__card strong { color: var(--navy); font-weight: 600; }

.adn__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.adn__list li {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 0.3rem 0.7rem;
  background: var(--foam);
  color: var(--teal);
  border-radius: 4px;
}
.adn__card--eco .adn__list li { background: rgba(76, 175, 80, 0.1); color: var(--eco); }

.adn__callout {
  margin-top: var(--space-6);
  padding: var(--space-3) var(--space-4);
  background: linear-gradient(135deg, rgba(76, 175, 80, 0.08), rgba(43, 175, 163, 0.05));
  border-left: 4px solid var(--eco);
  border-radius: 4px;
  font-size: 1.05rem;
  color: var(--gray-700);
}
.adn__callout strong { color: var(--navy); }

/* ═══════════ SERVICES ═══════════ */
.services {
  padding: var(--space-12) 0;
  background: var(--white);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-3);
}

.service {
  grid-column: span 2;
  padding: var(--space-4);
  background: var(--foam);
  border-radius: 16px;
  border: 1px solid transparent;
  box-shadow: 0 4px 6px rgba(10, 37, 64, 0.04); /* Material Baseline Elevation */
  transition: all 0.35s ease;
  position: relative;
}


.service:hover {
  transform: translateY(-4px);
  border-color: var(--turquoise);
  box-shadow: 0 12px 30px rgba(10, 37, 64, 0.12); /* Material Hover Elevation */
}

.service__num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--turquoise);
  margin-bottom: var(--space-2);
  letter-spacing: 0.08em;
}
.service h3 {
  font-size: 1.5rem;
  margin-bottom: var(--space-2);
  color: var(--navy);
  font-variation-settings: "opsz" 36, "SOFT" 30;
}
.service p {
  font-size: 0.95rem;
  color: var(--gray-700);
  margin-bottom: var(--space-3);
}

.service--lg { grid-column: span 3; background: var(--navy); color: var(--cream); }
.service--lg h3, .service--lg .service__num { color: var(--cream); }
.service--lg p { color: rgba(244,239,230,0.78); }
.service--accent { grid-column: span 3; background: linear-gradient(135deg, var(--turquoise), var(--teal)); color: var(--white); }
.service--accent .service__num, .service--accent h3 { color: var(--white); }
.service--accent p { color: rgba(255,255,255,0.88); }

.service__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}
.service__tags span {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.2rem 0.55rem;
  background: rgba(255,255,255,0.6);
  border: 1px solid var(--gray-300);
  border-radius: 4px;
  color: var(--teal);
}
.service--lg .service__tags span,
.service--accent .service__tags span {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.18);
  color: var(--cream);
}

/* ═══════════ TRACK RECORD ═══════════ */
.track {
  padding: var(--space-12) 0;
  background: var(--cream);
}

.track__list {
  margin: var(--space-6) 0;
  border-top: 1px solid var(--gray-300);
}

.track__item {
  border-bottom: 1px solid var(--gray-300);
  transition: background 0.3s;
}
.track__item:hover { background: rgba(20, 110, 126, 0.03); }

.track__item summary {
  display: grid;
  grid-template-columns: 200px 1fr 40px;
  gap: var(--space-3);
  align-items: center;
  padding: var(--space-3) 0;
  cursor: pointer;
  list-style: none;
}
.track__item summary::-webkit-details-marker { display: none; }

.track__sector {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--turquoise);
}
.track__title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--navy);
  font-variation-settings: "opsz" 36, "SOFT" 30;
}
.track__icon {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  color: var(--teal);
  text-align: right;
  transition: transform 0.3s ease;
}
.track__item[open] .track__icon { transform: rotate(45deg); }

.track__body {
  padding: 0 0 var(--space-4) 0;
  margin-left: calc(200px + var(--space-3));
  max-width: 720px;
  color: var(--gray-700);
  font-size: 1.02rem;
  line-height: 1.65;
}

/* ═══════════ METRICS ═══════════ */
.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-8);
  padding: var(--space-6);
  background: var(--navy);
  border-radius: 24px;
  color: var(--cream);
  position: relative;
  overflow: hidden;
}
.metrics::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(43, 175, 163, 0.15), transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(76, 175, 80, 0.1), transparent 50%);
  pointer-events: none;
}
.metric { position: relative; text-align: center; }
.metric__num {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 7vw, 6rem);
  font-weight: 300;
  line-height: 1;
  color: var(--turquoise);
  margin-bottom: var(--space-2);
  font-variation-settings: "opsz" 144, "SOFT" 0;
  letter-spacing: -0.04em;
}
.metric:nth-child(2) .metric__num { color: var(--cream); }
.metric:nth-child(3) .metric__num { color: var(--eco-light); }
.metric__lbl {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(244,239,230,0.7);
  line-height: 1.5;
}

/* ═══════════ FOUNDERS ═══════════ */
.founders {
  padding: var(--space-12) 0;
  background: var(--white);
}

.founders__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.founder {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--foam);
  border-radius: 16px;
  transition: all 0.3s ease;
}
.founder:hover {
  background: var(--cream);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(10, 37, 64, 0.06);
}
.founder__avatar { width: 110px; height: 110px; }

.founder__role {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--turquoise);
  display: block;
  margin-bottom: 0.4rem;
}
.founder h3 {
  font-size: 1.8rem;
  margin-bottom: 0.8rem;
  color: var(--navy);
}
.founder p {
  font-size: 0.95rem;
  color: var(--gray-700);
  margin-bottom: var(--space-2);
}
.founder__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}
.founder__tags span {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.2rem 0.55rem;
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: 4px;
  color: var(--teal);
}

.founders__note {
  margin-top: var(--space-6);
  text-align: center;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-style: italic;
  color: var(--gray-700);
  font-variation-settings: "opsz" 72, "SOFT" 80;
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
}
.founders__note strong { color: var(--navy); font-style: normal; font-weight: 600; font-family: var(--font-body); }

/* ═══════════ CONTACT ═══════════ */
.contact {
  padding: var(--space-12) 0;
  background: var(--navy);
  background:
    radial-gradient(ellipse at top right, rgba(43, 175, 163, 0.15), transparent 60%),
    radial-gradient(ellipse at bottom left, rgba(76, 175, 80, 0.08), transparent 60%),
    var(--navy);
  color: var(--cream);
  position: relative;
  overflow: hidden;
}

.contact__title {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 400;
  line-height: 1.25;
  margin: var(--space-3) 0 var(--space-4);
  max-width: 920px;
  color: var(--cream);
}

.contact__lede {
  font-size: 1.2rem;
  color: rgba(244,239,230,0.75);
  margin-bottom: var(--space-6);
  max-width: 720px;
}
.contact__lede strong { color: var(--eco-light); }

.contact__actions { margin-bottom: var(--space-8); }

.contact__channels {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255,255,255,0.1);
}
.channel { display: flex; flex-direction: column; gap: 0.3rem; }
.channel__lbl {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(244,239,230,0.5);
}
.channel__val {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--cream);
}
a.channel__val:hover { color: var(--turquoise); }

/* ═══════════ FOOTER ═══════════ */
.footer {
  padding: var(--space-6) 0 var(--space-4);
  background: var(--navy-deep);
  color: rgba(244,239,230,0.6);
  font-size: 0.88rem;
}

.footer__top {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-6);
  align-items: start;
  padding-bottom: var(--space-4);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: var(--space-3);
}

.footer__brand {
  display: flex;
  gap: var(--space-2);
  align-items: center;
}
.footer__logo { height: clamp(50px, 5vw, 72px); width: auto; max-width: 280px; color: var(--turquoise); object-fit: contain; }
.footer__name {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--cream);
  margin-bottom: 0.15rem;
}
.footer__dot { color: var(--eco); margin: 0 1px; }
.footer__ia { color: var(--turquoise); }
.footer__tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: rgba(244,239,230,0.5);
}

.footer__code {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.7;
  background: rgba(255,255,255,0.03);
  padding: 1rem 1.2rem;
  border-radius: 6px;
  border-left: 2px solid var(--eco);
  color: rgba(244,239,230,0.85);
}

.footer__bot {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
  font-size: 0.78rem;
}

/* ═══════════ REVEAL ANIMATIONS ═══════════ */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ═══════════ RESPONSIVE ═══════════ */
@media (max-width: 1024px) {
  .hero__code { display: none; }
  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .service, .service--lg, .service--accent { grid-column: span 1; }
  .founders__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav { padding: var(--space-2) var(--space-3); }
  .hero { padding-top: 5rem; padding-bottom: 3rem; min-height: auto; }
  .hero__title { font-size: clamp(2.2rem, 9vw, 3.6rem); }
  .manifesto__triad,
  .adn__grid,
  .services__grid,
  .founders__grid,
  .metrics,
  .contact__channels,
  .footer__top {
    grid-template-columns: 1fr;
  }
  .founder { grid-template-columns: 80px 1fr; }
  .founder__avatar { width: 80px; height: 80px; }
  .track__item summary {
    grid-template-columns: 1fr 30px;
    gap: var(--space-1);
  }
  .track__sector { grid-column: 1 / -1; font-size: 0.7rem; }
  .track__title { font-size: 1.15rem; }
  .track__body { margin-left: 0; }
  .footer__bot { flex-direction: column; gap: 0.5rem; }
  .container { padding: 0 var(--space-3); }
}

/* ═══════════ ACCESSIBILITY ═══════════ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

@media (prefers-color-scheme: dark) {
  /* Already dark-friendly; no override needed */
}

/* ═══════════ CHATBOT ═══════════ */
.chatbot__fab-container {
  position: fixed;
  bottom: var(--space-4);
  right: var(--space-4);
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 1.2rem;
}
.chatbot__tooltip {
  background: var(--white);
  color: var(--navy);
  padding: 0.8rem 1.2rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  box-shadow: 0 10px 25px rgba(10, 37, 64, 0.15);
  position: relative;
  animation: floatTooltip 3s ease-in-out infinite;
  opacity: 1;
  transition: opacity 0.3s ease, transform 0.3s ease;
  transform-origin: right center;
  border: 1px solid var(--gray-300);
  cursor: pointer;
}
.chatbot__tooltip.is-hidden {
  opacity: 0;
  transform: scale(0.9) translateX(10px);
  pointer-events: none;
}
.chatbot__tooltip::after {
  content: '';
  position: absolute;
  right: -6px;
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
  width: 12px;
  height: 12px;
  background: var(--white);
  border-right: 1px solid var(--gray-300);
  border-top: 1px solid var(--gray-300);
}
@keyframes floatTooltip {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}
.chatbot__fab {
  width: 65px;
  height: 65px;
  border-radius: 50%;
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 20px rgba(10, 37, 64, 0.2);
  transition: all 0.3s ease;
  padding: 0;
  overflow: hidden;
  border: 2px solid var(--turquoise);
}
.chatbot__fab:hover {
  transform: translateY(-4px);
  box-shadow: 0 15px 30px rgba(10, 37, 64, 0.25);
  border-color: var(--teal);
}
.chatbot__fab-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.chatbot {
  position: fixed;
  bottom: calc(var(--space-4) + 80px);
  right: var(--space-4);
  width: 360px;
  max-width: calc(100vw - 2 * var(--space-4));
  background: var(--white);
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(10, 37, 64, 0.15);
  display: flex;
  flex-direction: column;
  z-index: 1000;
  overflow: hidden;
  transform: translateY(20px) scale(0.95);
  transform-origin: bottom right;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  border: 1px solid var(--gray-300);
}
.chatbot.is-open {
  transform: translateY(0) scale(1);
  opacity: 1;
  pointer-events: auto;
}
.chatbot__header {
  background: var(--navy);
  color: var(--cream);
  padding: 1rem 1.2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.chatbot__title {
  font-weight: 600;
  font-family: var(--font-body);
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.chatbot__avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid rgba(255,255,255,0.2);
}
.chatbot__toggle {
  color: var(--cream);
  opacity: 0.8;
  transition: opacity 0.2s;
}
.chatbot__toggle:hover { opacity: 1; }
.chatbot__body {
  height: 380px;
  padding: 1.2rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  background: var(--cream);
}
.chat-message {
  padding: 0.8rem 1rem;
  border-radius: 12px;
  font-size: 0.95rem;
  line-height: 1.5;
  max-width: 88%;
  word-wrap: break-word;
}
.chat-message.bot {
  background: var(--white);
  color: var(--gray-700);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
  border: 1px solid var(--gray-300);
  box-shadow: 0 2px 5px rgba(0,0,0,0.02);
}
.chat-message.user {
  background: var(--turquoise);
  color: var(--navy);
  align-self: flex-end;
  border-bottom-right-radius: 4px;
  font-weight: 500;
}
.chat-message.typing {
  color: var(--gray-500);
  font-style: italic;
  padding: 0.5rem 1rem;
}
.chatbot__input {
  display: flex;
  padding: 0.8rem;
  background: var(--white);
  border-top: 1px solid var(--gray-300);
}
.chatbot__input input {
  flex: 1;
  border: none;
  background: transparent;
  padding: 0.5rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--navy);
  outline: none;
}
.chatbot__input button {
  color: var(--turquoise);
  padding: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s, transform 0.2s;
}
.chatbot__input button:hover { 
  color: var(--teal); 
  transform: translateX(2px);
}